Patent application number | Description | Published |
20110127649 | 3D INTERCONNECTION STRUCTURE AND METHOD OF MANUFACTURING THE SAME - Provided are a three-dimensional (3D) interconnection structure and a method of manufacturing the same. The 3D interconnection structure includes a wafer that has one side of an inverted V-shape whose middle portion is convex and a lower surface having a U-shaped groove for mounting a circuit, and a first electrode formed to cover a part of the inverted V-shaped one side of the wafer and a part of the U-shaped groove. | 06-02-2011 |
20120057864 | OPTICAL TRANSMISSION APPARATUS INCLUDING COOLER - An optical transmission apparatus including a cooler includes: a platform having a transmission line patterned to have an angle of 90°; a light source mounted on the platform such that it is connected to the transmission line of the platform and generating light; a cooler positioned under the platform and uniformly maintaining the temperature of the light source; and a transistor outline (TO) stem package allowing the platform to be mounted thereon and having a lead pin connected to the transmission line of the platform through a bonding wire. Temperature control characteristics are provided, high frequency characteristics are improved, and a lens, or the like, can be mounted in a passive alignment manner. | 03-08-2012 |
20120069574 | OPTICAL TRANSMISSION APPARATUS HAVING TEMPERATURE CONTROL FUNCTION - An optical transmission apparatus having a temperature control function includes: a package having a cavity; a cooler mounted in the cavity and controlling temperature; and a substrate mounted on the cooler and including a light source mounted thereon to generate light. In spite of the presence of the cooler, the apparatus can be implemented to be compact and have a simple structure. | 03-22-2012 |
20120127458 | MULTI-FUNCTION OPTICAL MEASUREMENT DEVICE - A multi-function optical measurement device having an optical wavelength and power measurement function, a ferrule/fiber scoping function, and a ferrule/fiber cleaning function includes a path select unit separating an optical signal for transmission and an optical signal for scoping from a ferrule/fiber; a wavelength and power measurement unit measuring a wavelength and a power of the optical signal for transmission from the path select unit; and a ferrule/fiber scoping unit converting an optical signal for scoping from the path select unit into an electrical signal. It is possible to perform a wavelength and power measurement and a ferrule/fiber scoping by one connection. Since a ferrule/fiber cleaning may be additionally included in one measurement device, it is easy to handle and carry an optical measurement device. A time required to perform a work using an optical measurement device may be reduced. | 05-24-2012 |
20120128295 | MULTI-CHANNEL OPTICAL MODULE - The present inventive concept herein relates to multi-channel optical modules, and more particularly, to a multi-channel optical module capable of processing a plurality of signals having different optical wavelengths. The multi-channel optical module may include a stem including one or more cavities; at least one lead pin formed in one or more cavities; a plurality of optical devices formed in the one or more cavities; and a filter portion forming an optical path between the plurality of optical devices and an optical fiber by separating a plurality of optical signals according to a wavelength. According to the inventive concept, processing capacity of the optical module may be improved. Also, according to the inventive concept, electrical and optical cross talk of the optical module may be reduced. | 05-24-2012 |
20120286401 | 3D INTERCONNECTION STRUCTURE AND METHOD OF MANUFACTURING THE SAME - Provided are a three-dimensional (3D) interconnection structure and a method of manufacturing the same. The 3D interconnection structure includes a wafer that has one side of an inverted V-shape whose middle portion is convex and a lower surface having a U-shaped groove for mounting a circuit, and a first electrode formed to cover a part of the inverted V-shaped one side of the wafer and a part of the U-shaped groove. | 11-15-2012 |
20130027760 | OPTICAL PROBE USING SENSOR AND METHOD FOR CONTROLLING THE SAME - Disclosed are an optical probe using a sensor and a method for controlling the same. The optical probe includes: an optical converter to change a light path of light generated from a light source; a vibrator to convert an electrical signal into a mechanical motion; a transmission member to transmit the motion of the vibrator to the optical converter; a position sensor to sense the position of the optical converter; and a controller to adjust the position of the optical converter by controlling the vibrator based on the position sensed by the position sensor. | 01-31-2013 |
20130033573 | OPTICAL PHASE EXTRACTION SYSTEM HAVING PHASE COMPENSATIONFUNCTION OF CLOSED LOOP TYPE AND THREE-DIMENSIONAL IMAGEEXTRACTION METHOD THEREOF - Provided is an image extraction method of optical phase extraction system. The image extraction method may include checking whether a phase error due to an environmental disturbance of optical fiber occurs by monitoring an output signal obtained by interfering reflection optical signals reflected through two paths. When a phase error occurs, an error is compensated using a phase compensation control method of closed loop type through one of the two paths and an image is extracted by capturing an image of object in a state that the image of object is shifted by the set phase value when a phase error is compensated. According to the inventive concept, a phase error occurring in an optical fiber type interferometer due to an environmental disturbance is minimized or compensated. Also, since an interference image accurately shifted by the phase value set among arbitrary various phase values is obtained through a camera, reliability of three-dimensional phase information being extracted is guaranteed. | 02-07-2013 |
20130034357 | BIDIRECTIONAL OPTICAL TRANSMISSION AND RECEIVING DEVICE - There is provided a bi-directional optical transmitting and receiving apparatus. The bi-directional optical transmitting and receiving apparatus includes: a package having a cavity and allowing a plurality of lead wires to pass therethrough; a platform mounted on the package and including a through hole formed above the cavity and having sloped surfaces; a reception unit mounted within the cavity and generating an electrical signal corresponding to input light made incident to the cavity through the through hole and outputting the generated electrical signal to at least one of the plurality of lead wires; a transmission unit mounted on the platform and generating output light according to an electrical signal transmitted through at least one of the plurality of lead wires; and a wavelength division multiplexing (WDM) filter mounted on the platform to transfer the output light toward an optical fiber and the input light toward the through hole. | 02-07-2013 |
20130071126 | BIDIRECTIONAL OPTICAL TRANSMITTING AND RECEIVING DEVICE - Disclosed is a bidirectional light transmitting and receiving device which includes a first conductive plate; a second conductive plate; at least one first lead pin which penetrates the first conductive plate and includes a first conductor and a first dielectric surrounding the first conductor; at least one second lead pin which penetrates the second conductive plate and includes a second conductor and a second dielectric surrounding the second conductor; a light receiving unit which is connected with the at least one first lead pin; and a light transmitting unit which is connected with the at least one second lead pin, wherein the first conductive plate is electrically isolated from the second conductive plate. | 03-21-2013 |
20130084633 | PETRI DISHES - Provided is a Petri dish, which improves or maximizes productivity. The Petri dish includes a dish including a bottom and a side wall, and accommodating a culture solution, and a cover covering an upper portion of the dish. The bottom of the dish includes a support region having a first thickness, and a measurement region having a second thickness smaller than the first thickness. | 04-04-2013 |
20130108262 | MULTI-CHANNEL OPTICAL MODULE | 05-02-2013 |
20130272665 | MULTI-CHANNEL OPTICAL MODULE - The multi-channel optical module in accordance with some embodiments of the inventive may comprise a housing; an optical fiber disposed on one side of the housing; a plurality of optical devices disposed on the other side of the housing separated from the optical fiber; and a polyhedral mirror disposed between the optical devices and having mirror sides reflecting an optical signal between the optical fiber and the optical devices. | 10-17-2013 |
20140081126 | APPARATUS FOR GUIDING ENDOSCOPE AND METHOD THEREFOR - An apparatus for guiding an endoscope and a method thereof are provided. According to an embodiment of the present invention, there is provided an endoscope guide method including: acquiring tomogram information of tissues based on an optical interference signal according to an optical signal; calculating a distance between an endoscope and the tissues based on the tomogram information; and controlling the location of the endoscope according to the result of comparison between the distance between the endoscope and the tissues and a predetermined reference distance. Accordingly, it is possible to accurately measure the distance between an endoscope and tissues. | 03-20-2014 |
20140126062 | SUNLIGHT COUPLER AND SUNLIGHT SYSTEM COMPRISING THEREOF - A sunlight coupler is provided, the sunlight coupler may include a beam integrator configured to concentrate beams of sunlight, which may be incident from a plurality of optical fibers, in the form of a single beam, a triplet lens focusing the concentrated beam on a specific position, and an optical fiber provided for transmission of the focused sunlight. The optical fiber may be a thermally-diffusion expand core fiber. | 05-08-2014 |
20140147085 | MULTI-CHANNEL OPTICAL MODULE AND MANUFACTURING METHOD OF THE SAME - Provided is a multi-channel optical module and a manufacturing method of the same. The optical module includes a base block having a cavity on one edge(?) of the base block; a substrate arranged on the other side of the base block that faces the cavity; an integrated circuit (IC) chip mounted on the substrate; a platform arranged in the cavity; electrical contacts connected to the IC chip, wherein the electrical contacts are formed on the platform; an optical device array block arranged in the platform, wherein the optical device array block is connected to the electrical contacts; a plurality of optical fiber cores aligned with the optical device array block; and an optical fiber array block fixing the plurality of optical fiber cores, wherein the optical fiber array block is bonded to the platform and to the optical device array block and is fixed in the cavity. | 05-29-2014 |
20150043166 | OPTICAL TRANSMITTER MODULE WITH TEMPERATURE CONTROL DEVICE AND METHOD FOR MANUFACTURING THE SAME - The optical transmitter module may include a thermal-electric cooler comprising at least one metal pattern formed on a side of a cooling plate temperature of which is controlled by thermo-electric cooling elements, a laser diode installed in one of the at least one metal pattern, and a monitor photo diode which is installed in another one of the at least one metal pattern and monitors change of light signals emitted from the laser diode. Therefore, since elements are located on the same side of the cooling plate, the optical transmitter module may have a simple structure and an advantage that light signals emitted from the laser diode can be directly coupled to the optical fiber without optical path conversions. Also, since the laser diode is installed with a small gap from thermal-electric elements, the temperature control characteristics of the thermal-electric cooler can be enhanced. | 02-12-2015 |