Hung-Chun
Hung-Chun Chang, Taipei TW
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20100135626 | WAVEGUIDE HAVING A CLADDED CORE FOR GUIDING TERAHERTZ WAVES - A waveguide for guiding terahertz waves with wavelength ranging 0.1 mm-3 mm, includes a cladding tube made of a metal-free dielectric material, and a core filling a transmission space defined by the cladding tube. The core has a minimum width or diameter larger than the wavelength of the terahertz wave guided by the waveguide. The thickness of the cladding tube is smaller than the radius or one half of the width of the core. The core has an attenuation constant for the terahertz waves lower than that of the cladding tube. The waveguide guides terahertz waves mainly inside the core, and has a simple construction. | 06-03-2010 |
Hung-Chun Chang, Dacun Township TW
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20140359937 | BEDSTEAD WITH ADJUSTABLE HEIGHT - A bedstead with adjustable height has a base, a passive frame and a connecting frame. The base connects with the passive frame through the lifting element, so that the height of the passive frame can be adjusted through the lifting element. Also, the passive frame moves linearly through the restriction rod along the rail rod to increase the preciseness and stableness of the movement of the lifting element. The connecting frame is disposed between the base and the passive frame, wherein the connecting frame has two corresponding connecting rods and driving rods to form a supporting frame, so the passive frame and the base are balanced with each other through the connecting frame to increase the strength between the passive frame and the base and evenly distribute the pressure on the surface of the passive frame to prevent unsmooth adjustment of the passive frame due to single-sided pressure. | 12-11-2014 |
Hung-Chun Chen, Taichung City TW
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20150245426 | ILLUMINATING DEVICE AND METHODS FOR MAKING THE SAME - An illuminating device includes an insulative housing, at least two electrodes and a light source. The insulative housing has opposite front and rear surfaces and is formed with at least two through holes. Each of the through holes is defined by a hole wall and penetrates the front and rear surfaces. Each of the electrodes includes a first conductive segment formed proximate the front surface, a second conductive segment formed proximate the rear surface, and a connecting segment formed inside a respective one of the through holes and interconnecting electrically the first and second conductive segments. The light source is disposed on the front surface and includes first and second connecting terminals each being electrically coupled to the first conductive segment of a corresponding one of the electrodes. | 08-27-2015 |
Hung-Chun Chen, Hsinchu City TW
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20120242252 | CONTROL CIRCUIT AND CONTROL METHOD FOR DIMMING LED LIGHTING CIRCUIT - The present invention provides a control circuit for dimming LED lighting. The control circuit comprises a voltage divider, a controller and an adaptive bleeder. The voltage divider receives an input voltage from an input terminal to generate a dimming signal. The controller generates a switching signal in response to the dimming signal. The controller further generates a control signal in response to the input voltage. The adaptive bleeder receives the control signal and draws a bleeder current from the input terminal in response to the control signal. | 09-27-2012 |
20150042303 | CONTROL CIRCUIT OF POWER CONVERTER AND METHOD THEREFORE - A control circuit of a power converter and a method therefore are provided. The control circuit comprises an input circuit, an amplifier, a PWM circuit, and a power management circuit. The input circuit is coupled to a transformer to generate a sensing signal related to an output voltage of the power converter. The amplifier generates a feedback signal according to the sensing signal and a reference signal. The PWM circuit generates a switching signal according to the feedback signal for switching the transformer and regulating the output voltage of the power converter. The power management circuit controls the reference signal according to the feedback signal. The power management circuit includes a timer for determining a period, and the output voltage of the power converter decreases while an output power of the power converter is lower than a light-load threshold. A method for controlling the control circuit is also disclosed. | 02-12-2015 |
Hung-Chun Chen, Taipei TW
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20160044807 | ELECTRONIC DEVICE - An electronic device includes a housing assembly and an electronic module. The housing assembly includes a first housing and a second housing. The first housing includes a main body, an accommodation box and an assembly component. The main body, the accommodation box and the assembly component are formed integrally into a single unit. The main body is connected to the accommodation box which has an accommodating space, a first side and a second side. The first side is opposite to the second side. The assembly component is disposed at the second side. The second housing detachably covers the accommodation box and the assembly component. The electronic module includes a fastening structure and is movably disposed in the accommodating space via the first side of the accommodation box. Accordingly, the fastening structure is combined with the assembly component. | 02-11-2016 |
Hung-Chun Chung, Shanhua Township TW
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20110031899 | DIMMABLE LED DEVICE WITH LOW RIPPLE CURRENT AND DRIVING CIRCUIT THEREOF - A dimmable light emitting diode (LED) device with low ripple current includes a LED module, a phase dimmer, a voltage converting module, a driving module and a feedback module. The flyback converter of the voltage converting module adds a secondary forward winding connecting to a phase cut-off detector to provide a detecting voltage in proportion to current level of the output current across the LED module. | 02-10-2011 |
Hung-Chun Hsu, Hsin-Chu TW
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20150092257 | LASER SCANNING DEVICE AND CALIBRATION METHOD THEREOF - A laser scanning device and a calibration method thereof are provided. The laser scanning device includes a light-emitting element, an oscillating reflective element, a light receiving element and a micro processing unit. The oscillating reflective element is configured to swing back and forth in an adjustable oscillation frequency, such that laser beams emitted from the light-emitting element are reflected to a predetermined scan region. When a swing angle of the oscillating reflective element is affected by a change of the environment temperature, an oscillation frequency of the laser scanning device is directly changed corresponding to the current environment temperature by the micro processing unit such that the oscillating reflective element correctly swings in a predetermined angle range. | 04-02-2015 |
Hung-Chun Huang, Taipei TW
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20130234571 | COMPUTER CASE - A computer case for installing computer parts such as a motherboard therein is provided. Two casings (including a first casing and a second casing) of the same size, specification and type are assembled opposite to each other to form a complete case. In this way, the manufacturing cost can be greatly saved, and the finished product can be further equipped with panels or baffle plates of different specifications or types according to user requirements, so as to meet the manufacturing requirements for high customization. | 09-12-2013 |
Hung-Chun Huang, Kaohsiung City TW
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20150354690 | SYSTEM AND METHOD FOR MONITORING PRELOAD IN BALL SCREW - A system for the monitoring a preload in a ball screw includes a ball screw, a detecting device, a capturing device and a processing device. The ball screw has a preload. The detecting device detects an operating signal of the ball screw. The operating signal contains information about the ball screw's rotating speed and status. The status refers to a vibration or a sound generated by the operating ball screw. The capturing device is connected to the detecting device and acquires the operating signal. The processing device is connected to the capturing device, and has a threshold. The processing device processes and converts the operating signal into a ball-passing signal. When the ball-passing signal surpasses the threshold, the processing device determines that the ball screw's preload has vanished. Thereby, the system is enabled to determine the current state of the ball screw's preload reliably. | 12-10-2015 |
Hung-Chun Kao, Longtan Shiang TW
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20100331577 | Method for radio-labeling serotonin transporter ligand, 123I-IADM - There is disclosed a method for using | 12-30-2010 |
Hung-Chun Kao, Shulin City TW
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20090169439 | DEVICE FOR ¹23;I-ADAM AND AUTOMATIC MANUFACTURING DEVICE THEREOF - A manufacturing method for | 07-02-2009 |
Hung-Chun Kao, New Taipei TW
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20160028856 | METHOD, SYSTEM AND APPARATUS FOR PROVIDING SERVICES ACROSS NETWORKS - The invention provides a method and a system for providing a service from a network device in a closed network to a client device outside of the closed network through a service portal. The method may include the steps of actively establishing a first connection between the network device and the service portal, receiving a request for the services from the client device via established first connection, retrieving data of service and sending back to the client device. As a result, the client device may access the service of network device in the closed network without being blocked by firewall or other security mechanism of the closed network. In addition, the service portal may also validate the client device, and therefore malicious intrusion or insecure access may be prevented. | 01-28-2016 |
Hung-Chun Li, Longtan Township TW
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20110025664 | Method for Driving Liquid Crystal Display and Storage Medium Storing Program for Implementing the Method - The present invention discloses a method for driving thin film transistor liquid crystal display (TFT-LCD) and the storage medium for storing computer program representative of the method thereof. The method utilizes a timing controller to send polarity control signals to a plurality of source drivers in a TFT-LCD panel for changing the polarity distribution of the liquid crystal molecules in the panel. The method is characterized by dynamically changing the positions of polarity inversion for alleviating the problem of undercharging under high resolution and high frequency conditions; utilizing both polar and reverse polar driving signals for solving the problem of color shift in “checker board” checking signals; and providing a mechanism for mending the problem of undercharging of the first horizontal line. | 02-03-2011 |
Hung-Chun Li, Shulin City TW
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20120081038 | DISPLAY PANEL DRIVING VOLTAGE SUPPLY APPARATUS AND METHOD - A display panel driving voltage supply apparatus and method is disclosed. Said supply apparatus comprises: a timing controller for providing a voltage control signal and a switch control signal; a level shifter, receiving the voltage control signal for selecting a first specified voltage to be transmitted on a first driving voltage supply line as well as selecting a second specified voltage to be transmitted on a second driving voltage supply line according to the voltage control signal; and a first switch, wherein the first and the second driving voltage supply lines are electrically connected with each other to charge share between the first and the second specified voltages when the first switch is turned on under the control of the switch control signal. Said supply apparatus is capable of solving the problem of high power consumption and thereby reducing the electricity consumption. | 04-05-2012 |
20130194520 | STEREOSCOPIC IMAGE DISPLAYING SYSTEM AND METHOD - A stereoscopic image displaying system and method are disclosed. The system comprises a display panel for periodically displaying a left-eye image and a right-eye image; a backlight plate that is divided into a plurality of regional light sources from top to bottom; a backlight controller for providing control signals to turn on the regional light sources, wherein in one image frame displaying period, the time points for turning on the respective regional light sources are different from each other, and turn-on durations are different from each other as well; and a pair of shutter glasses comprising a left-piece eyeglass and a right-piece eyeglass that are periodically and alternatively turned on and of for respectively receiving the left-eye image and the right-eye image. The stereoscopic display system can improve brightness performance of a liquid crystal display panel during displaying stereoscopic images, also minimize the occurrence of ghost images and crosstalk. | 08-01-2013 |
Hung-Chun Li, Zhongli City TW
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20120038287 | LIGHTING SYSTEM, DIMMING CONTROL APPARATUS AND DIMMING CONTROL METHOD - A lighting system, a dimming control apparatus, and a dimming control method are provided. The dimming control apparatus includes a control unit and a dimming driving unit. In response to a dimming command and a number, the control unit decodes the dimming command into a plurality of sub-dimming commands. The dimming driving unit has a plurality of output terminals for coupling to a plurality of lamp modules. According to the sub-dimming commands, the control unit controls the dimming driving unit to output a plurality of dimming driving signals corresponding to the lamp modules to adjust the brightness of each lamp module individually. | 02-16-2012 |
20130043797 | Lighting Control Systems and Methods - Systems and methods for lighting control are disclosed. The system may include at least one lighting device providing illumination and a handheld unit coupled with the lighting device to control at least one of a controllable lighting state, a controllable lighting intensity, and a controllable lighting effect of the lighting device. The handheld unit may include an image-capturing device and a processor coupled with the image-capturing device. The processor may be configured to control the image-capturing device to capture an image of a space affected by the lighting device; analyze an luminance level of the space; receive a lighting parameter; and provide a command to the lighting device for controlling at least one of the controllable lighting state, the controllable lighting intensity, and the controllable lighting effect of the lighting device based on at least one of the image, the luminance level, and the lighting parameter. | 02-21-2013 |
Hung-Chun Lin, Cardiff By The See, CA US
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20090299742 | SYSTEMS, METHODS, APPARATUS, AND COMPUTER PROGRAM PRODUCTS FOR SPECTRAL CONTRAST ENHANCEMENT - Systems, methods, and apparatus for spectral contrast enhancement of speech signals, based on information from a noise reference that is derived by a spatially selective processing filter from a multichannel sensed audio signal, are disclosed. | 12-03-2009 |
Hung-Chun Lin, Lugu Township TW
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20110141341 | AUTOFOCUSING OPTICAL SYSTEM USING TUNABLE LENS SYSTEM - A method for providing auto focus for camera module that is electrically tunable using liquid crystal optical element is provided. The liquid crystal optical element includes substrate layers, insulating layer, three electrodes, liquid crystal layer between the substrate layers, and voltages applied between electrodes to control the optical power of the liquid crystal layer. The liquid crystal layer is coupled onto a camera module for provide auto focus on object located between 10 cm to infinity, achieving a response time at most of about 600 milliseconds. Tuning for the predetermined focal length is provided for liquid crystal optical element when object is located between 10 cm to infinity. | 06-16-2011 |
20120140128 | LIQUID CRYSTAL LENS STRUCTURE AND METHOD OF DRIVING SAME - A liquid crystal (LC) lens structure and a method of driving same are disclosed. The LC lens structure includes an upper substrate, a lower substrate, a liquid crystal and polymer composite film, and an LC layer. The upper substrate is provided with a first conducive layer and a first alignment layer; and the lower substrate is provided with a second conductive layer and a second alignment layer. The liquid crystal and polymer composite film is arranged at one side of the first alignment layer to form a first lens, and the LC layer is arranged between the liquid crystal and polymer composite film and the second alignment layer to form a second lens. By building the liquid crystal and polymer composite film in the LC lens structure, it is able to realize an LC lens with low operating voltage and large focusing range. | 06-07-2012 |
Hung-Chun Lin, Taipei TW
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20150096384 | Flow velocity meter - A flow velocity meter is disclosed. The flow velocity meter utilizes a phase locked loop to generate an output signal and outputs the output signal to a current under test. The flow velocity meter receives a reflection signal from the current under test to calculate a speed of the current under test according to a reflection signal and a frequency difference between the output signal and the reflection signal. The flow velocity meter further includes an inclinometer for measuring a depression angle between a water level and a normal direction of the flow velocity meter and measuring a horizontal angle. The flow velocity meter can be adjusted its orientation when being installed according to the measured angles. | 04-09-2015 |
Hung-Chun Lin, Hsinchu TW
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20150097029 | Transactional Device Having Element for Identifying Wireless Sensing - The present invention is transactional device having element for identifying wireless sensing, having an element for identifying wireless sensing having the light emission element, capable of determining whether or not the financial transaction card is at a correct position, as such, when the magnetic stripe reader of the financial transaction device reads data, the wireless data reader does not read data, such that no duplicate data reading occurs. | 04-09-2015 |
20150100484 | Safety Cover Design for Financial Transaction Device - The present invention is a safety covering design for financial transaction device, simply constructing specific solid connection between boards by the pressure formed after assembly. The pressure is formed with assembly and constructing connection of units, so illegally penetration can be easily detected, because the pressure is released by disassembly as well as the connection between boards is removed. Thus, the financial transaction device of the present invention is not easy being penetrated without alarm. | 04-09-2015 |
20150100496 | Switching System Able to Prevent Fraud from Falsified Digital Information - The present invention is a switching system able to prevent fraud from falsified digital information, generally installed into card reader device, wherein the card reader device can read integrated circuit card. The switch system can provide safe financial transaction during advertisement broadcasting, and resume advertisement broadcasting after transaction. The transaction processor of the present invention turns off all the links with the card reader device except certain transaction center, stops broadcasting advertisement sent from advertisement center, and prevent falsified information from displaying on the monitor. | 04-09-2015 |
Hung-Chun Liu, New Taipei City TW
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20130088831 | EXPANSION MODULE FOR INTERFACE CARD, COMPUTER CASE ASSEMBLY, AND COMPUTER SYSTEM - An expansion module for an interface card includes a transfer circuit-board, an expansion slot, a bottom-plate, a lateral-frame, and a latch. The transfer circuit-board has an electrical connector to be inserted into a card slot of a main circuit-board. The expansion slot is disposed on the transfer circuit-board and used for the interface card to be inserted into it, so as to connect the interface card to the main circuit-board. The transfer circuit-board is mounted onto the bottom-plate. The lateral-frame extends from the bottom-plate to define an accommodating space between the bottom-plate and the lateral-frame, and the transfer circuit-board is located in the accommodating space. The latch is pivoted to the lateral-frame and moves between a releasing position and a latching position. The latch has a first clamping element, and at the latching position the latch clamps and fixes the interface card with the first clamping element. | 04-11-2013 |
Hung-Chun Lu, Hsinchu TW
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20160113538 | RELAXATION STATE EVALUATION SYSTEM AND METHOD AND COMPUTER PROGRAM PRODUCT THEREOF - The present invention proposes a relaxation state evaluation system and method and a computer program product thereof. The method comprises steps: measuring ECG data of a user; analyzing the ECG data to generate a first, second, third and fourth parameters, wherein the first parameter is the short-scale entropy slope of the user before cardiovascular disease treatment (CVDT); the second parameter is the difference of the post-CVDT and pre-CVDT mean RR intervals; the third parameter is the logarithm of the variance of the pre-CVDT high frequency NN intervals; the fourth parameter is the logarithm of the ratio of the variances of the pre-CVDT low frequency and high frequency NN intervals; working out an evaluation index, which is a function of the abovementioned parameters; and evaluating the relaxation state of the user, wherein the user is determined to be in a relaxation state if the evaluation index is over a threshold. | 04-28-2016 |
Hung-Chun Ma, New Taipei TW
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20150085434 | CASING COVERED BY SILICONE RUBBER AND ELECTRONIC DEVICE USING SAME - A casing includes a main body, a silicone rubber layer, and a bonding layer. The main body is made of magnesium alloy. The bonding layer is bonded between the main body and the silicone rubber layer. The bonding layer includes about 12 to about 30 by percentage weight of silane coupling agent. | 03-26-2015 |
20150183147 | METHOD OF FORMING FILMS FOR A COMPONENT - A method of forming films for a component includes providing a curing device. The curing device includes a receiving die defining a groove, a suction device, and a UV curing system. The suction device suctions a component suctioning the component into the groove and defining a gap between the component and the groove. A UV curing glue is injected into the gap, the UV curing glue selected from a monomer, an oligomer, and a photoinitiator. The UV curing glue is cured by the UV curing system so as to form a cured film for easy demolding. | 07-02-2015 |
20150306627 | METHOD OF COATING WORKPIECES - A method of coating a workpiece is provided. In the method, a coating device is provided. The coating device includes a transparent covering plate and an ultraviolet light source device. The workpiece is placed in the coating device. Coating material is injected into the coating device to coat the workpiece. The coating material is ultraviolet light curable material. The ultraviolet light source device emits ultraviolet light and the ultraviolet light passes through the transparent covering plate to cure the coating material on the worpiece. The workpiece is taken out of the coating device. | 10-29-2015 |
20150306797 | COATING DEVICE AND COATING SYSTEM - A coating system includes a coating device, a suction device, and a conveyor system. The coating device includes a first holding device including a first surface, a second holding device including a recess and opposite to the first holding device, an o-ring positioned on the first surface. The first holding device couples to the second holding device and a component is held on the first surface. A forming cavity is surrounded by the component, the recess, and the o-ring. Glue is injected into the forming cavity and is formed films over the component. | 10-29-2015 |
20150306798 | DEVICE TO APPLY COATINGS - A device for applying a coating on a component where the component includes an inner surface, an outer surface, and end surfaces. The coating device includes a supporting pedestal, a UV light-transparent cover plate, a first pumping device, and an injecting device. The supporting pedestal is configured for holding the inner surface of the component, the end surfaces and the outer surface are exposed in the forming cavity. A through hole is defined in the center of the pedestal and a forming cavity is defined between the cover plate and the component when the cover plate is placed and secured on the pedestal. The first pumping device applies suction to the through hole to hold the component on the pedestal and the injecting device injects UV light-curable coating material in liquid form into the forming cavity. | 10-29-2015 |
20160089819 | METHOD OF FORMING FILM FOR A COMPONENT - A method of forming a film on a component includes providing a curing device. The curing device includes a grooved receiving die, a suction device, and a UV curing system. The suction device vacuum-lifts the component into the groove and a gap between the component and the groove is thus created. A vacuum is created in the gap and a UV curing glue is injected into the gap, the UV curing glue being selected from a monomer, an oligomer, and a photoinitiator. The UV curing glue is cured by the UV curing system and the component with a cured film is easily demolded. | 03-31-2016 |
Hung-Chun Tseng, Yunlin County TW
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20160051894 | Localization System for Mounting Game in Portable Storage Device on Game Console and Method Therefor - A method of mounting a game for a localization system including a portable storage device and a game console includes steps of searching for a targeted word unit in the portable storage device and game information in a small database of the portable storage device after the game console is connected with the portable storage device. When any cover information or setup-file information corresponds to a correspondence code in the small database, the cover information or setup-file information are returned to the application-program menu and displayed on a screen. Next, a game can be performed to read a first file, including a game main program, in the portable storage device. | 02-25-2016 |
Hung-Chun Wang, Taichung TW
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20130275925 | Pattern Correction With Location Effect - The present disclosure provides one embodiment of an integrated circuit (IC) method. The method includes receiving an IC design layout having a plurality of IC regions each including an IC pattern; performing a dissection process to the IC design layout; and performing a correction process to the IC design layout using a correction model that includes proximity effect and location effect. The correction process includes performing a first correction step to a first IC region of the IC regions, resulting in a first corrected IC pattern in the first IC region; and performing a second correction step to a second IC region of the IC regions, starting with the first corrected IC pattern, resulting in a second corrected IC pattern. | 10-17-2013 |
20140033144 | PROVIDING ELECRON BEAM PROXIMITY EFFECT CORRECTION BY SIMULATING WRITE OPERATIONS OF POLYGONAL SHAPES - A method for writing a design to a material using an electron beam includes assigning a first dosage to a first polygonal shape. The first polygonal shape occupies a first virtual layer and includes a first set of pixels. The method also includes simulating a first write operation using the first polygonal shape to create the design, discerning an error in the simulated first write operation, and assigning a second dosage to a second polygonal shape to reduce the error. The second polygonal shape occupies a second virtual layer. The method further includes creating a data structure that includes the first and second polygonal shapes and saving the data structure to a non-transitory computer-readable medium. | 01-30-2014 |
20140099582 | Smart Subfield Method For E-Beam Lithographny - The present disclosure provides a method of improving a layer to layer overlay error by an electron beam lithography system. The method includes generating a smart boundary of two subfields at the first pattern layer and obeying the smart boundary at all consecutive pattern layers. The same subfield is exposed by the same electron beam writer at all pattern layers. The overlay error caused by the different electron beam at different layer is improved. | 04-10-2014 |
20140109026 | Novel Methodology of Optical Proximity Correction Optimization - A method for performing optical proximity correction (OPC) and evaluating OPC solutions is disclosed. An exemplary method includes receiving a design database corresponding to an IC circuit mask. A first OPC modification to a mask feature of the design database is made by performing a first OPC process. The OPC process includes: dividing the mask feature into child shapes and adjusting an attribute of a child shape based on an edge placement error (EPE) factor. A first lithography simulation is performed utilizing a first set of performance indexes after making the first OPC modification, and a second OPC modification to the mask feature is made based on a result of the first lithography simulation. A second lithography simulation of the mask feature is performed utilizing a second set of performance indexes to verify the first and second OPC modifications, and the design database is provided for manufacturing. | 04-17-2014 |
20140115546 | Layout Design for Electron-Beam High Volume Manufacturing - The present disclosure relates to a method and apparatus to create a physical layout for electron-beam lithography, comprising defining a layout grid for a physical design, the layout grid further comprising vertical grid lines which coincide with stitching lines resulting from partitioning the physical design into a plurality of subfields. The physical design is assembled in accordance with design restrictions regarding interaction between design shapes and the layout grid. In some embodiments, the design restrictions are realized though layout restrictions. In some embodiments, the design restrictions are realized by shifting standard cells to minimize design shape interaction with the layout grid in a post-layout step. In some embodiments, the design restrictions are realized by exchanging positions between a plurality of standard cells for an exchange permutation which minimizes the number of interactions in a post-layout step. In some embodiments a routing grid is refined to rule out interactions between a subset of design constructs and the layout grid. Remaining design shape placement is then optimized along the routing grid relative to the stitching lines. | 04-24-2014 |
20140367588 | Method and System for E-Beam Lithography with Multi-Exposure - The present disclosure provides a method for electron-beam (e-beam) lithography patterning. The method includes forming a resist layer on a substrate; performing a first e-beam exposure process to the resist layer according to a first pattern; performing a second e-beam exposure process to the resist layer according to a second pattern, wherein the second patterned is overlapped to the first pattern on the resist layer; and developing the resist layer. | 12-18-2014 |
20150106773 | METHODOLOGY FOR PATTERN CORRECTION - The present disclosure relates to a method of integrated chip (IC) design pattern correction that reduces pattern correction cycle time by separately correcting main feature shapes and dummy shapes of the IC design, and an associated apparatus. In some embodiments, the method is performed by forming an IC design having a plurality of main feature shapes. A plurality of dummy shapes are added to the IC design to improve a process window of the IC design. The plurality of main feature shapes are corrected using a first pattern correction process. One or more of the plurality of dummy shapes are subsequently corrected using a second pattern correction process separate from the first pattern correction process. By separately correcting dummy shapes and main feature shapes, the dummy shapes can be subjected to a different pattern correction process having lower time/resource demands, thereby reducing the pattern correction cycle time. | 04-16-2015 |
20150106779 | METHODOLOGY FOR PATTERN DENSITY OPTIMIZATION - The present disclosure relates to a method of improving pattern density with a low OPC (optical proximity correction) cycle time, and an associated apparatus. In some embodiments, the method is performed by forming an integrated chip (IC) design that is a graphical representation of an integrated chip. One or more low-pattern-density areas of the IC design are identified having a pattern density that results in a processing failure. The low-pattern-density areas are a subset of the IC design. The pattern density is adjusted within the low-pattern-density area by adding one or more dummy shapes within the low-pattern-density areas. A data preparation process is then performed on the IC design to modify shapes of the one or more dummy shapes within the low-pattern-density areas. By introducing dummy shapes into a local area, rather than into an entire integrated chip design, the demands of the subsequent data preparation process are reduced. | 04-16-2015 |
20150149969 | LAYOUT DESIGN FOR ELECTRON-BEAM HIGH VOLUME MANUFACTURING - The present disclosure relates to a method and apparatus to create a physical layout for electron-beam lithography, comprising defining a layout grid for a physical design, the layout grid further comprising vertical grid lines which coincide with stitching lines resulting from partitioning the physical design into a plurality of subfields. The physical design is assembled in accordance with design restrictions regarding interaction between design shapes and the layout grid. In some embodiments, the design restrictions are realized though layout restrictions. In some embodiments, the design restrictions are realized by shifting standard cells to minimize design shape interaction with the layout grid in a post-layout step. In some embodiments, the design restrictions are realized by exchanging positions between a plurality of standard cells for an exchange permutation which minimizes the number of interactions in a post-layout step. In some embodiments a routing grid is refined to rule out interactions between a subset of design constructs and the layout grid. Remaining design shape placement is then optimized along the routing grid relative to the stitching lines. | 05-28-2015 |
20150242562 | SYSTEM AND METHOD FOR PATTERN CORRECTION IN E-BEAM LITHOGRAPHY - The present disclosure provides a method for pattern correction for electron-beam (e-beam) lithography. In accordance with some embodiments, the method includes splitting a plurality of patterns into a plurality of pattern types; performing model fittings to determine a plurality of models for the plurality of pattern types respectively; and performing a pattern correction to an integrated circuit (IC) layout using the plurality of models. | 08-27-2015 |
20150310158 | Method for Integrated Circuit Manufacturing - Provided is an integrated circuit (IC) manufacturing method. The method includes receiving a design layout of an IC, wherein the design layout includes a plurality of non-overlapping IC regions and each of the IC regions includes a same initial IC pattern. The method further includes dividing the IC regions into a plurality of groups based on a location effect analysis such that all IC regions in a respective one of the groups are to have substantially same location effect. The method further includes performing a correction to one IC region in each of the groups using a correction model that includes location effect; and copying the corrected IC region to other IC regions in the respective group. The method further includes storing the corrected IC design layout in a tangible computer-readable medium for use by a further IC process stage. | 10-29-2015 |
Hung-Chun Wang, Ching-Suei TW
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20120192126 | SYSTEMS AND METHODS PROVIDING ELECTRON BEAM PROXIMITY EFFECT CORRECTION - A method for writing a design to a material using an electron beam includes assigning a first dosage to a first polygonal shape. The first polygonal shape occupies a first virtual layer and includes a first set of pixels. The method also includes simulating a first write operation using the first polygonal shape to create the design, discerning an error in the simulated first write operation, and assigning a second dosage to a second polygonal shape to reduce the error. The second polygonal shape occupies a second virtual layer. The method further includes creating a data structure that includes the first and second polygonal shapes and saving the data structure to a non-transitory computer-readable medium. | 07-26-2012 |
20120237877 | ELECTRON BEAM DATA STORAGE SYSTEM AND METHOD FOR HIGH VOLUME MANUFACTURING - The present disclosure provides for many different embodiments of a charged particle beam data storage system and method. In an example, a method includes dividing a design layout into a plurality of units; creating a lookup table that maps each of the plurality of units to its position within the design layout and a data set, wherein the lookup table associates any repeating units in the plurality of units to a same data set; and exposing an energy sensitive layer to a charged particle beam based on the lookup table. | 09-20-2012 |
20130055173 | GEOMETRIC PATTERN DATA QUALITY VERIFICATION FOR MASKLESS LITHOGRAPHY - The present disclosure involves a method of performing a maskless lithography process. The method includes providing a proximity correction pattern. The method includes generating a deformed pattern based on the proximity correction pattern. The method includes performing a first convolution process to the proximity correction pattern to generate a first proximity correction pattern contour. The method includes processing the first proximity correction pattern contour to generate a second proximity correction pattern contour. The method includes performing a second convolution process to the deformed pattern to generate a first deformed pattern contour. The method includes processing the first deformed pattern contour to generate a second deformed pattern contour. The method includes identifying mismatches between the second proximity correction pattern contour and the second deformed pattern contour. The method includes determining whether the deformed pattern is lithography-ready in response to the identifying. | 02-28-2013 |
20130061187 | STRIPING METHODOLOGY FOR MASKLESS LITHOGRAPHY - The present disclosure involves a method of performing a maskless lithography process. The method includes receiving a computer layout file for an integrated circuit (IC) device. The layout file contains a plurality of IC sections. The method includes separating the computer layout file into a plurality of sub-files. The method includes striping the plurality of sub-files concurrently using a plurality of computer processors, thereby generating a plurality of striped sub-files. The method includes transferring the plurality of striped sub-files to a maskless lithography system. | 03-07-2013 |
20130316289 | Electron Beam Data Storage System and Method for High Volume Manufacturing - The present disclosure provides for many different embodiments of a charged particle beam data storage system and method. In an example, a method includes dividing a design layout into a plurality of units; creating a lookup table that maps each of the plurality of units to its position within the design layout and a data set, wherein the lookup table associates any repeating units in the plurality of units to a same data set; and exposing an energy sensitive layer to a charged particle beam based on the lookup table. | 11-28-2013 |
Hung-Chun Wang, Ching-Shuei TW
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20130275926 | NOVEL METHODOLOGY OF OPTICAL PROXIMITY CORRECTION OPTIMIZATION - A method for performing OPC and evaluating OPC solutions is disclosed. An exemplary method includes receiving a design database corresponding to an IC circuit mask. A first lithography simulation and evaluation is performed on the design database utilizing a first set of performance indexes. A modification is made to the design database based on a result of performing the first lithography simulation and evaluation. A second lithography simulation and evaluation is performed on the design database utilizing a second set of performance indexes to verify the modification. If necessary, the design database is modified again based on a result of the second lithography simulation and evaluation. The modified design database is provided to a mask manufacturer for manufacturing the mask corresponding to the modified design database. | 10-17-2013 |
20130323648 | SMART SUBFIELD METHOD FOR E-BEAM LITHOGRAPHY - The present disclosure provides a method of improving a layer to layer overlay error by an electron beam lithography system. The method includes generating a smart boundary of two subfields at the first pattern layer and obeying the smart boundary at all consecutive pattern layers. The same subfield is exposed by the same electron beam writer at all pattern layers. The overlay error caused by the different electron beam at different layer is improved. | 12-05-2013 |
20140038107 | Method and System for E-Beam Lithography with Multi-Exposure - The present disclosure provides a method for electron-beam (e-beam) lithography patterning. The method includes forming a resist layer on a substrate; performing a first e-beam exposure process to the resist layer according to a first pattern; performing a second e-beam exposure process to the resist layer according to a second pattern, wherein the second patterned is overlapped to the first pattern on the resist layer; and developing the resist layer. | 02-06-2014 |
20140119638 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT TO EVALUATE A SEMICONDUCTOR WAFER FABRICATION PROCESS - Systems, methods and computer program products for computerized evaluation of a semiconductor wafer fabrication process are described. An exemplary method comprises receiving an SEM image of a printed semiconductor wafer area and a reference image reflecting a circuit design pattern, enhancing the SEM image to produce a feature image, and comparing the feature image to the reference image to determine whether the positions of the images are the same. Based upon this analysis, evaluation of the fabrication process used to print the circuit on the SEM image can be conducted in an efficient and uniform manner. | 05-01-2014 |
Hung-Chun Wu, Hsinchu TW
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20110059359 | HIGH RATE CAPABILITY DESIGN OF LITHIUM ION SECONDARY BATTERY - A lithium ion secondary battery includes LiFePO | 03-10-2011 |
Hung-Chun Yang, Hsinchu City TW
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20140146231 | DISPLAY APPARATUS AND IMAGE CAPTURING METHOD THEREOF - A display apparatus and an image capturing method are provided. The display apparatus includes a receiving unit, a processing unit, a display panel, a display output interface, and a capturing unit. The receiving unit is coupled to a data bus and receives video stream data provided by an external video source. The processing unit is coupled to the data bus and processes the video stream data to generate display data. The display output interface is coupled to the processing unit and the display panel, receives the display data, and drives the display panel to display an image frame. The capturing unit is coupled to the data bus and captures all or part of the image frame according to a capturing command issued by an external device, so as to obtain captured target data. The capturing unit also transmits the captured target data back to the external device. | 05-29-2014 |
Hung-Chun Yeh, Hsinchu City TW
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20140021899 | Driving circuit and method for fan - A driving circuit for driving a fan with a plurality of operational modes includes an initiation module for generating a switch signal according to a feedback signal, a control module coupled to the initiation module for utilizing a pulse frequency modulation technique to generate a control signal according to the switch signal and a predetermined comparison signal, so as to drive the fan for a rotational operation, and a feedback module coupled to the fan for generating the feedback signal according to a conduction result of the fan. The rotational operation includes the plurality of operational modes, and the fan is switched between the plurality of operational modes according to different conduction results of the fan. | 01-23-2014 |
20140021901 | Driving circuit and method for fan - A driving circuit for a fan includes an initiation module for generating a switch signal according to a feedback signal, a control module coupled to the initiation module for generating a control signal according to the switch signal and a predetermined comparison signal, so as to drive the fan for a rotational operation, and a feedback module coupled to the fan for generating the feedback signal according to a conduction result of the fan, wherein the control module utilizes a pulse frequency modulation technique to generate the control signal, and the conduction result is realized via a voltage type or a current type to correspond to a rotational speed of the rotational operation. | 01-23-2014 |