Chen, Tianjin
Chaoyong Chen, Tianjin CN
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20150105555 | METHOD FOR SYNTHESIZING SAPROPTERIN DIHYDROCHLORIDE - Disclosed is a method for synthesizing sapropterin dihydrochloride. The present disclosure reduces a synthesis route of the sapropterin dihydrochloride, introduces a chiral center in an asymmetric synthesis manner, in which a tetrahydrofuran solution containing a samarium catalyst is adopted as a catalyst, and obtains a target compound having a high antimer isomerism value by means of selective catalysis. The yield is improved, raw materials are cheap and readily available, and the cost is significantly reduced, hence providing an effective scheme for mass industrial production of the sapropterin dihydrochloride. | 04-16-2015 |
20150119573 | METHOD FOR SYNTHESIZING SAPROPTERIN DIHYDROCHLORIDE - Disclosed is a method for synthesizing sapropterin dihydrochloride. The present disclosure reduces a synthesis route of the sapropterin dihydrochloride, and resolves a racemate intermediate or an intermediate having a low antimer isomerism value by using a chiral resolving reagent, thereby obtaining an intermediate having a high antimer isomerism value. Raw materials are cheap and readily available, and the cost is significantly reduced, hence providing an effective scheme for mass industrial production of the sapropterin dihydrochloride. | 04-30-2015 |
Chunsheng Chen, Tianjin CN
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20150048862 | DETECTING ARCING USING PROCESSING CHAMBER DATA - A method and apparatus for detecting substrate arcing and breakage within a processing chamber is provided. A controller monitors chamber data, e.g., parameters such as RF signals, voltages, and other electrical parameters, during operation of the processing chamber, and analyzes the chamber data for abnormal spikes and trends. Using such data mining and analysis, the controller can detect broken substrates without relying on glass presence sensors on robots, but rather based on the chamber data. | 02-19-2015 |
20150219565 | APPLICATION OF IN-LINE THICKNESS METROLOGY AND CHAMBER MATCHING IN DISPLAY MANUFACTURING - A method and apparatus for measuring the thickness of a deposited layer are disclosed herein. Devices as described herein can include a transfer chamber, one or more processing chambers each having an entrance, a loadlock chamber comprising a loadlock entrance and a loadlock exit; and an optical monitoring system comprising a plurality of optical devices positioned proximate to at least one of the entrances. Methods as described herein can include delivering a substrate with at least one deposited layer through an opening in a chamber, activating an optical monitoring system at the opening of the chamber such that the optical monitoring system performs a plurality of optical measurements of the deposited layers, delivering the optical measurements to a signal processing system and correlating the optical measurements to one or more film attributes. | 08-06-2015 |
20150221484 | DETECTION OF GROUNDING STRAP BREAKAGE - The present invention generally relates to a method for detecting the breakage of one or more grounding straps without stopping processing or opening the processing chamber for inspection. In one embodiment, a method for detecting grounding strap breakage in a processing chamber includes monitoring real-time RF related data from plasma generated in the processing chamber. The method also includes comparing the real-time RF related data with a pre-determined threshold RF related data. The method includes generating an alert if the real-time RF related data meets or exceeds the pre-determined threshold RF related data. In one embodiment, the RF related data includes RF frequency, direct current voltage, voltage peak-to-peak, and/or RF reflected power. | 08-06-2015 |
20150221563 | APPLICATION OF IN-LINE GLASS EDGE-INSPECTION AND ALIGNMENT CHECK IN DISPLAY MANUFACTURING - Methods and apparatus for determining substrate integrity and alignment are described. Devices as described herein can include a transfer chamber, one or more process chambers, a loadlock chamber a first optical device, a second optical device and a radiation source positioned outside and above an opening for the loadlock chamber. Methods as described herein can include delivering a substrate to an opening in a process chamber, activating the optical device and the radiation source and capturing a plurality of images, extracting a substrate edge pattern from the plurality of images, comparing the substrate edge pattern to an expected edge pattern to determine a level of edge variance and adjusting or stopping a process if the level of edge variance is outside of an edge variation range. | 08-06-2015 |
Furong Chen, Tianjin CN
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20130072521 | THIENOPYRIDINE ESTER DERIVATIVE CONTAINING CYANO GROUP, PREPARATION METHOD, USE AND COMPOSITION THEREOF - A compound with the structure of the formula (I) or a pharmaceutically acceptable salt, a preparation method and use thereof are disclosed in the present invention, wherein R is cyano group. The compound provided by the present invention has an antiplatelet aggregation activity and can be used in preparing a medicament for preventing or treating cardiac and cerebral vascular diseases such as coronary artery syndromes, myocardial infarction and myocardial ischemia which are caused by platelet aggregation. | 03-21-2013 |
20150021279 | OZONIZATION CONTINUOUS REACTION DEVICE AND A WORKING METHOD THEREOF - The invention discloses an ozonization continuous reaction device, comprising a raw material inlet, a raw material distributing device, one or plurality of single reaction tubes, a product outlet and an air vent. The first end of the raw material distributing device is communicated with the raw material inlet; the first end of one or plurality of single reaction tubes is communicated with the second end of the raw material distributing device; the product outlet is communicated with the second end of the single reaction tube; ozone is conveyed to the single reaction tube via the air vent. The ozonization continuous reaction device provided by the invention realizes the large-scale and continuous production of the ozonization reaction on the basis of guaranteeing security; as the single reaction tube is arranged, the ozone amount and the liquid raw material existing in the single reaction tube in unit time become fewer, the reaction security is greatly improved; in addition, the liquid raw material and the ozone are continuously fed into the reaction device, the exhaust gas and the products are continuously discharged from the reaction device, the accumulation of the ozone is prevented, the security is greatly guaranteed, and the production capacity also can be improved to a higher level. | 01-22-2015 |
Guo-Qiang Chen, Tianjin CN
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20120214213 | RECOMBINANT HOSTS AND METHODS FOR MANUFACTURING POLYHYDROXYALKANOATE - Known attempts using engineered bacteria to produce P(3HB-co-4HB) with carbon sources that are structurally unrelated to 4-hydroxybutyrate resulted in relatively low 4HB monomer content of 1.5 to 5 mol %. The current invention provides recombinant hosts for producing P(3HB-co-4HB) wherein the plasmid including succinate semialdehyde dehydrogenase gene (sucD gene) and 4-hydroxybutyrate dehydrogenase gene (4hbD gene) further includes pyruvate decarboxylase promoter (P | 08-23-2012 |
Jiangming Chen, Tianjin CN
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20090130203 | EXTRACTS OF CHENOPODIUM AMBROSIOIDES L., THE COMPOSITIONS COMPRISING SAID EXTRACTS, THE PREPARING PROCESS AND APPLICATION THEREOF - The present invention relates to plant extracts, specifically, the extracts of Chinese medicine Chenopodium ambrosioides L. and the composition comprising thereof. The extracts of Chinese medicine Chenopodium ambrosioides L. are prepared by conventional methods for the extraction of volatile oil, and can be used to treat | 05-21-2009 |
Jianming Chen, Tianjin CN
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20110195136 | Drop pill for treating coronary heart disease and preparation thereof - The present invention relates to a drop pill for treating coronary heart disease, comprising an active pharmaceutical ingredient (API), a matrix adjuvant, a plastifying adjuvant, propylene glycol and water. the API is prepared from Radix salvia miltiorrhira, | 08-11-2011 |
20120157517 | PHARMACEUTICAL SOLUTION OF TAXANES COMPRISING PH REGULATOR AND PREPARATION METHOD THEREOF - A pharmaceutical solution of taxanes, its preparation method, a composition comprising said solution and its pharmaceutical combination package are disclosed. Said pharmaceutical solution comprises taxanes, a pH regulator and a solvent, wherein the pH regulator is a water-soluble acid. | 06-21-2012 |
20130178516 | EXTRACTS OF CHENOPODIUM AMBROSIOIDES L., THE COMPOSITIONS COMPRISING SAID EXTRACTS, THE PREPARING PROCESS AND APPLICATION THEREOF - The present invention relates to plant extracts, specifically, the extracts of Chinese medicine | 07-11-2013 |
20140045927 | PREPARATIONS OF TAXANES FOR INTRAVENOUS ADMINISTRATION AND THE PREPARATION METHOD THEREOF - The present invention relates to the field of medical technology. More specifically, the present invention relates to a preparation of taxanes for intravenous administration, which consists of two parts: a drug solution and an emulsion. Said drug solution consists of paclitaxel or docetaxel, a pH regulator and a solvent for injection, wherein said solvent for injection is an organic solvent. Said emulsion includes a fat emulsion and is composed of oil for injection, an emulsifier, an antioxidant, an isotonic regulator, a stabilizer, a pH regulator and water for injection. When used, the drug solution at the clinical dosage can be added and mixed homogeneously in the emulsion to perform intravenous drip directly; or the drug solution at the clinical dosage can also be firstly added into the emulsion with no less than 5 times volume of the drug solution and then a predetermined amount of normal saline or glucose solution for injection is added to perform intravenous drip. The preparation of the present invention does not contain solubilizer and has advantages of little toxicity, safety, effectiveness, stability and economy. The fat emulsion is also used as a nutritional replenishment, thus achieving a better therapeutic effect. In addition, the normal saline or glucose solution for injection can be used to replace a considerable amount of the emulsion, which makes the preparation, therefore, not only cost-efficient, but also convenient for transportation and storage in practice. | 02-13-2014 |
Jiuzhou Chen, Tianjin CN
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20150376661 | 5-AMINOLEVULINIC ACID HIGH-YIELD BACTERIAL STRAIN, PREPARATION METHOD AND USE THEREOF - A method for constructing an ALA production bacterial strain, the method enhances the activity of related enzymes promoting the synthesis of oxaloacetate and in the 5-aminolevulinic acid (ALA) production bacterial strain, or introducing exogenous related enzymes promoting the synthesis of oxaloacetate, such as phosphoenolpyruvate carboxylase or pyruvate carboxylase, and/or reducing the activity of related enzymes in the downstream metabolic pathway of succinyl coenzyme A in the bacterial strain, such as succinyl coenzyme A synthetase or succinate dehydrogenase, and/or reducing the activity of phosphoenolpyruvate carboxylated kinase and/or malic enzyme. An ALA high-yield bacterial strain constructed by utilizing the method, and method for utilizing the bacterial strain to prepare ALA. | 12-31-2015 |
Ju Chen, Tianjin CN
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20110208848 | NETWORK SYSTEM OF WEB SERVICES BASED ON SEMANTICS AND RELATIONSHIPS - The invention has disclosed a network system of web services based on semantics and relationship. The Service Network is used in automatic discovery and (semi-)automatic composition. The service to be processed of Service Network derives from registration service and extraction service of network. Submission service extracts information and sends it to Service Network according to service registry query. Extraction service obtains the service description file with crawler and register to Service Network via interface of service registry; and composition service is automatically done according to custom's function description, the complex service is sent to Service Network. The invention is more convenient for announcement of Web services, service discovery and (semi-) automatic composition based on semantics. It can extend and combine various service semantic description languages; and construct services ecosystem with available Web services, and improve operation of automatic service composition, searching and maintenance with the help of relationship among services. | 08-25-2011 |
Long Chen, Tianjin CN
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20100122075 | METHOD FOR CONTROLLING BOOT SEQUENCE OF SERVER - A method for controlling a boot sequence of a server includes the following steps. A boot image is created, and a first proxy server program is placed into the boot image. The first proxy server program communicates with a management server. The boot image is restored on a rewritable removable storage device, so as to enable the rewritable removable storage device to boot a managed target server. A second proxy server program is installed and executed in the management server. A basic input/output system (BIOS) of the target server is set to enable the rewritable removable storage device to act as a first boot device. Boot files in the rewritable removable storage device are modified through the first proxy server program or the second proxy server program according to a boot instruction received from the management server, thereby controlling a boot sequence of the target server. | 05-13-2010 |
Miao Chen, Tianjin CN
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20150309924 | CONTROL APPARATUS AND CONTROL METHOD WITH MULTIPLE FLASH MEMORY CARD CHANNELS - A control apparatus with multiple flash memory card channels includes a host side port unit, an instruction data processing unit, and flash memory card port units. The host side port unit exchanges a host side instruction and host side read/write data with a high-speed serial communication protocol host side. The flash memory card port units respectively exchange flash memory card instructions and flash memory card read/write data with a plurality of flash memory cards. An instruction from the high-speed serial communication protocol host side is divided into multiple sub-instructions to be respectively transmitted to the flash memory card port units and exchange of instruction and data with a plurality of flash memory cards is carried out in a coincident period of time so as to achieve the purposes of expanding access capacity and increasing access speed, reducing the operation cost of products, and enhancing flexibility of use of flash memory cards. | 10-29-2015 |
Mingxing Chen, Tianjin CN
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20160001233 | Method for preparing homogeneous braid-reinforced PPTA hollow fiber membrane - A method for preparing a homogeneous braid-reinforced (HMR) PPTA hollow fiber membrane combines PPTA hollow tubular braids with PPTA surface separation layer. The method includes following steps of: (1) preparing the PPTA hollow tubular braids, wherein the PPTA hollow tubular braids which are made from PPTA filament yarns are woven by a two-dimensional braided method, the outer diameter of the PPTA tubular braids is 1-2 mm; (2) preparing the PPTA casting solution as the surface separation layer, wherein the 1-3 wt % PPTA resin, 0-2 wt % inorganic particles and 10-20 wt % pore-forming agents are mixed into 75-89% inorganic acid solvent, stirred for 1-3 hours at 70° C.-90° C. to form homogeneous and transparent casting solution; and (3) preparing reinforced PPTA hollow fiber membrane, wherein the casting solution as the surface separation layer is evenly coated on the surfaces of the PPTA hollow tubular braids through spinneret, and they are immersed in a coagulation bath for solidified formation. | 01-07-2016 |
20160001234 | Method for preparing aromatic polyamide porous hollow fiber membrane - A method for preparing an aromatic polyamide porous hollow fiber membrane firstly premixes PPTA resin, solvent, composite pore-forming agents and inorganic particles in a stirring vessel to form casting solution, secondly injects the casting solution into a double-screw extruder to be fully dissolved under the effect of shear force and enters a spinneret via a metering pump. The PPTA hollow fiber membranes are prepared by the dry-wet spinning method, which solves the problems that hard pore-forming and low porosity in the preparation process of PPTA porous membrane. Utilization of the double-screw extruder is capable of greatly shortening the dissolved time and the deaeration time. Meanwhile the increase of PPTA in casting solution also improves mechanical properties of the PPTA membrane. The addition of the inorganic particles improves mechanical toughness and enhance pure water flux, hydrophilia and rejection rate. | 01-07-2016 |
Shizhan Chen, Tianjin CN
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20110208848 | NETWORK SYSTEM OF WEB SERVICES BASED ON SEMANTICS AND RELATIONSHIPS - The invention has disclosed a network system of web services based on semantics and relationship. The Service Network is used in automatic discovery and (semi-)automatic composition. The service to be processed of Service Network derives from registration service and extraction service of network. Submission service extracts information and sends it to Service Network according to service registry query. Extraction service obtains the service description file with crawler and register to Service Network via interface of service registry; and composition service is automatically done according to custom's function description, the complex service is sent to Service Network. The invention is more convenient for announcement of Web services, service discovery and (semi-) automatic composition based on semantics. It can extend and combine various service semantic description languages; and construct services ecosystem with available Web services, and improve operation of automatic service composition, searching and maintenance with the help of relationship among services. | 08-25-2011 |
Si Chen, Tianjin CN
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20120058177 | NANOPARTICLE-BASED TUMOR-TARGETED DRUG DELIVERY - The present invention provides an aqueous tumor-targeting liposome nanoparticle composition comprising an aqueous dispersion of liposome nanoparticles. The nanoparticles preferably encapsulate an anti-cancer chemotherapeutic agent, which can be added to a pre-formed liposome composition or can be incorporated in the liposomes during the formation of the liposomes. The liposome nanoparticles comprise a legumain-targeting lipid admixed with one or more other micelle or vesicle-forming lipid materials in the form of nanoparticulate liposomes dispersed in an aqueous carrier. A preferred tumor-targeting liposome nanoparticle composition comprises (a) a legumain-targeting lipid component, (b) a zwitterionic lipid component; (c) an amino-substituted lipid component; (d) a neutral lipid component; and (e) polyethylene glycol-conjugated lipid component. The legumain-targeting lipid component comprising a hydrophobic lipid portion covalenetly attached to a legumain-binding moiety. | 03-08-2012 |
20130330399 | NANOPARTICLE-BASED TUMOR-TARGETED DRUG DELIVERY - The present invention provides an aqueous tumor-targeting liposome nanoparticle composition comprising an aqueous dispersion of liposome nanoparticles. The nanoparticles preferably encapsulate an anti-cancer chemotherapeutic agent, which can be added to a pre-formed liposome composition or can be incorporated in the liposomes during the formation of the liposomes. The liposome nanoparticles comprise a legumain-targeting lipid admixed with one or more other micelle or vesicle-forming lipid materials in the form of nanoparticulate liposomes dispersed in an aqueous carrier. A preferred tumor-targeting liposome nanoparticle composition comprises (a) a legumain-targeting lipid component, (b) a zwitterionic lipid component; (c) an amino-substituted lipid component; (d) a neutral lipid component; and (e) polyethylene glycol-conjugated lipid component. The legumain-targeting lipid component comprising a hydrophobic lipid portion covalenetly attached to a legumain-binding moiety. | 12-12-2013 |
Tai Chiang Chen, Tianjin CN
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20090085074 | TRENCH MOSFET AND METHOD OF MANUFACTURE UTILIZING FOUR MASKS - In accordance with the invention, a trench MOSFET semiconductor device is manufactured in accordance with a process comprising the steps of: providing a heavily doped N+ silicon substrate; utilizing a first mask to define openings for the trench gate and termination; utilizing a second mask as a source mask with openings determining the size and shape of a diffused source junction depth; utilizing a third mask as a contact mask to define contact hole openings; and utilizing a fourth mask as a metal mask, whereby only the first, second, third and fourth masks are utilized in the manufacture of the trench MOSFET semiconductor device. | 04-02-2009 |
20090085099 | TRENCH MOSFET AND METHOD OF MANUFACTURE UTILIZING THREE MASKS - In accordance with the invention a vertical power trench MOSFET semiconductor device comprises P+ body and N+ source diffusions shorted together to prevent second breakdown caused by a parasitic bipolar transistor. The device is manufactured in accordance with a process comprising the steps of: providing a heavily doped N+ silicon substrate; utilizing a first, trench, mask to define a plurality of openings comprising a trench gate and a termination; creating P+ body and N+ source area formations by ion implantation without any masks; utilizing a second, contact, mask to define a gate bus area; and utilizing a third metal mask to separate source metal and gate bus metal and remove metal from a portion of the termination, whereby only three masks are utilized to form the semiconductor device. | 04-02-2009 |
20090085105 | TRENCH MOSFET AND METHOD OF MANUFACTURE UTILIZING TWO MASKS - A method for manufacturing a trench MOSFET semiconductor device comprises: providing a heavily doped N+ silicon substrate; forming an N type epitaxial layer; forming a thick SiO2 layer; creating P body and source area formations by ion implantation without any masks; utilizing a first mask to define openings for a trench gate and a termination; thermally growing a gate oxide layer followed by formation of a thick poly-Silicon refill layer without a mask to define a gate bus area; forming sidewall spacers; forming P+ areas; removing the sidewall spacers; depositing tungsten to fill contacts and vias; depositing a first thin barrier metal layer; depositing a first thick metal layer; utilizing a second metal mask to open a gate bus area; forming second sidewall spacers; depositing a second thin barrier metal layer; depositing a second thick metal layer; and planarizing at least the second thick metal layer and the second thin metal layer to isolate the source metal portions from gate metal portions, whereby the trench MOSFET semiconductor device is manufactured utilizing only first and second masks. | 04-02-2009 |
Town Chen, Tianjin CN
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20080201610 | Integrated test method on multi-operating system platform - An integrated test method on a multi-operation system (OS) platform for performing an integrated test of a file system and disk performance in a computer with an extended firmware interface (EFI) system environment on multiple OS platforms is provided. The method includes the following steps. Scan sectors of an entire physical hard disk and perform a hardware underlying test of a disk device in the EFI environment; select and load an OS, then enter the OS environment to test the file system and the disk performance in the system environment; exit from the OS and return to the EFI environment to summarize a test result; determine whether it is necessary to load other OSes, if necessary, return and load other OSes, and if not, send the summarized test result to a server terminal for analysis and processing. | 08-21-2008 |
20090083486 | TESTING DEVICE OF CARD READING INTERFACE AND TESTING METHOD THEREOF - A testing device and method of card reading interface are applied to a card reading interface including a plurality of memory cards, and are used to integrate memory card interfaces in a memory card slot. The testing device includes memory cards, a switching unit, a connecting part, and a connecting circuit. Wherein, the switching unit receives a switching instruction and selects a corresponding memory card according to the switching instruction. The connecting part is electrically connected between the memory card slot and the switching unit. The connecting circuit is connected between the switching unit and the memory cards, and transmits detection data to the laptop computer. The laptop computer checks the detection data before testing and after testing. Thus, the device and method thereof can detects function normally or not on the memory card slot, and reduces the plugging times from the memory card slot. | 03-26-2009 |
20100205420 | SYSTEM AND METHOD FOR REALIZING REMOTE TEST ON COMPUTER APPARATUS WITHOUT STORAGE DEVICE - A system and a method for realizing a remote test on a computer apparatus without a storage device are described, in which a client is enabled to select a desired operating system image file from a server and use the operating system image file to provide an initial processing on an operating system of the client. The testing method includes initializing a virtual disk in the client, registering the virtual disk to a basic input and output system (BIOS) of the client, connecting to a server over network according to connection information in the virtual disk, loading boot information into the client from the server, and performing a boot procedure on the client according to the boot information. Therefore, during a booting process of the client, a virtual disk is initialized in the server, so as to be used for booting the client. | 08-12-2010 |
Weimin Chen, Tianjin CN
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20100317152 | METHOD FOR ASSEMBLING STACKABLE SEMICONDUCTOR PACKAGES - A method for assembling a stackable semiconductor package includes providing a substrate having a first surface and a second surface. The first surface includes bond pads and one or more die pads. Conductive bumps are formed on the bond pads and one or more semiconductor dies are attached to the one or more die pads. The first surface of the substrate, the semiconductor dies and the conductive bumps are placed in a side-gate molding cast and a mold material is supplied to the first surface of the substrate to form a stackable semiconductor package. Similarly formed semiconductor packages may be stacked, one on another to form a stacked semiconductor package. | 12-16-2010 |
20110316130 | THIN SEMICONDUCTOR PACKAGE AND METHOD FOR MANUFACTURING SAME - A method for manufacturing a thin semiconductor package includes providing a lead frame with a removable substrate that has an attaching surface attached to a first surface of the lead frame. The lead frame is formed from an electrically conductive sheet and has leads that extend inwardly from a lead frame boundary towards a central region of the lead frame. A semiconductor die is mounted on the removable substrate at the central region. The semiconductor die has a connection pad surface with die pads on it, and the connection pad surface is attached to the attaching surface of the removable substrate. The lead frame and die are encapsulated with a first encapsulant so that the lead frame is sandwiched between the first encapsulant and the removable substrate. The removable substrate is removed from the lead frame to expose the first surface of the lead frame and then the die pads are electrically connected to respective ones of the leads. The die and lead frame then are encapsulated with a second encapsulant so that the lead frame and die are sandwiched between the first and second encapsulants. Part of the first encapsulant is then removed to reduce the thickness of the package and expose the leads. | 12-29-2011 |
Wei Min Chen, Tianjin CN
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20110108967 | SEMICONDUCTOR CHIP GRID ARRAY PACKAGE AND METHOD FOR FABRICATING SAME - A semiconductor chip grid array package includes a die attach pad and a plurality of connector pads. A semiconductor die is mounted on the die attach pad, the semiconductor die having external connection terminals electrically connected respectively to the connector pads. An encapsulating material encapsulates the die and connector pads. A stud protrudes from each of the connector pads for providing an external electrical contact for the semiconductor chip grid array package. Each of the connector pads and respective studs are formed from an electrically conductive sheet. The connector pads have a thickness of at least 60% of the thickness of the conductive sheet and the respective studs have a thickness of no more than 40% of the thickness of the conductive sheet. | 05-12-2011 |
20120018858 | METHOD OF ASSEMBLING INTEGRATED CIRCUIT DEVICE - A method of assembling an integrated circuit (IC) device includes the steps of providing a lead frame or substrate panel, attaching a semiconductor die to the lead frame or substrate panel and electrically coupling the die to the lead frame or substrate panel. The method further includes encapsulating the die with a first encapsulant, and the encapsulating the first encapsulant with a second encapsulant where the second encapsulant includes a material that provides electromagnetic shielding. | 01-26-2012 |
Wenhong Chen, Tianjin CN
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20100252079 | Sand Infill and Washing Apparatus - The present invention is directed toward a sand infilling and washing machine having a sand sample washer, a clean water tank, a wastewater recycling canister, a wastewater recycling pump and a sand infilling spiral conveyor. A filling spout is set between the sand infilling spiral conveyor and a slurry shaker. The sand outlet of the sand infilling spiral conveyor is connected with the sand inlet of the sand sample washer by a conveying duct. The water discharge outlet of the sand sample washer is connected with the wastewater recycling canister by a duct. The wastewater recycling pump is set in the wastewater recycling canister. The discharge outlet of the pump is connected with the filling spout of the sand infilling spiral conveyor by the wastewater duct. The outlet of the clean water tank is connected with the water inlet of the sand sample washer by the duct. | 10-07-2010 |
Wenliang Chen, Tianjin CN
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20110131021 | METHOD OF COMPONENT CONCENTRATION DETECTION BASED ON REFERENCE WAVELENGTH - A method of detecting a concentration of a target component by using a reference wavelength comprises: defining a wavelength at which a light intensity is insensitive to the variation of the target component concentration as a reference wavelength for the target component; detecting spectra at both the reference wavelength and a further measuring wavelength; processing the spectrum detected at the further measuring wavelength, with the spectrum detected at the reference wavelength as an inner reference, to obtain a characteristic spectrum including specific information of the target component; building a calibration model between the characteristic spectrum and the concentration of the target component; and determining the concentration of the target component based on the calibration model. | 06-02-2011 |
Xiaopeng Chen, Tianjin CN
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20120041062 | COMPOUND OF SALVIANOLIC ACID L, PREPARATION METHOD AND USE THEREOF - The present invention relates to a new compound of salvianolic acid L, its preparation method, a pharmaceutical composition containing the salvianolic acid L, and its use for preparing a medicament for treating cardio-cerebrovascular diseases. | 02-16-2012 |
Yingwei Chen, Tianjin CN
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20120029036 | PHARMACEUTICAL COMPOSITIONS COMPRISING PYRIDYL CYANOGUANIDINE, PROCESS FOR PREPARING THE SAME AND USE THEREOF - Disclosed are a composition comprising a pyridyl cyanoguanidine and a cyclodextrin, a cyclodextrin derivative and/or a surfactant with solubilization, process for preparing the same and use thereof. | 02-02-2012 |
20120309797 | PYRIDYL CYANOGUANIDINE DERIVATIVES - Compounds of formula (I) or pharmaceutically acceptable salts thereof, and use for treating cancer thereof are disclosed, wherein, the definitions of X, Y, R | 12-06-2012 |
20130225579 | CYANOQUINOLINE DERIVATIVES - Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof, | 08-29-2013 |
Yong-Hai Chen, Tianjin CN
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20090254902 | METHOD FOR IMPROVING ACCESS EFFICIENCY OF SMALL COMPUTER SYSTEM INTERFACE STORAGE DEVICE - A method for improving an access efficiency of a small computer system interface (SCSI) storage device is used to process a plurality of access requests for a physical storage device from a request end. The task processing method includes setting a task queue in each virtual disk, for receiving a plurality of disk access tasks sent from a server; writing the disk access tasks to storage addresses in the virtual disk; executing a storage address recording, for recording the disk access tasks having the same storage address, and sending the rest disk access tasks in sequence to the physical storage device; saving the disk access tasks into a request queue of the physical storage device; executing a program sequence optimization on the disk access tasks in the request queue; and sending back the disk access tasks after the program optimization process to the virtual disk. | 10-08-2009 |
Yongsheng Chen, Tianjin CN
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20110286147 | ELECTRODE MATERIAL AND CAPACITOR - An electrode material comprising 0.5-50 wt % functionalized graphene material and a capacitor comprising the electrode material are provided. A method for preparing the functionalized graphene material is also provided. The method comprises the step of chemically reducing the soluble graphene material and the step of physically reducing the chemically reduced graphene material. | 11-24-2011 |
20120012796 | CONDUCTIVE FILMS BASED ON GRAPHENE AND PROCESS FOR PREPARING THE SAME - The present invention is directed to a process for preparing a conductive film comprising: 1) coating a solution comprising functionalized graphene on the surface of a substrate to form a film; and 2) chemically reducing and/or calcining the film, which is loaded on the matrix material and obtained in step 1). The process can be used to prepare a conductive film on various substrates, such as steel, glass, ceramic, quartz, carbon materials, silicon materials, and organic materials. | 01-19-2012 |
20130043436 | FEW-LAYERED GRAPHENE MATERIALS AND FILMS THEREOF PREPARING - Disclosed are a process for preparing a solution comprising few-layered graphene, a process for preparing a few-layered graphene solid, and a process for preparing a film thereof. | 02-21-2013 |
20140142308 | PHOTOELECTRIC MATERIALS AND PREPARATION THEREOF - Receptor type oligothiopene compounds, methods of preparing the compounds, and use of the compounds in photoelectric materials. | 05-22-2014 |
Yunhui Chen, Tianjin CN
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20120012563 | PARTICLE BEAM-ASSISTED ULTRA-PRECISION MACHINING METHOD FOR SINGLE-CRYSTAL BRITTLE MATERIALS - The invention relates to a new technology which uses a surface modification method for ultra-precision machining, and in particular relates to a particle beam-assisted ultraprecision machining method for single-crystal brittle materials. The invention, the particle beam-assisted ultra-precision machining method for single-crystal brittle materials, can significantly improve machining accuracy, reduce surface finish and greatly reduce tool wear during ultra-precision machining of brittle materials. The method adopts the technical proposal that the method comprises of the following steps: a) utilizing simulation software to simulate modification parameters according to cutting depth, surface roughness and other machining requirements; b) using particle beams to bombard or irradiate the surface of a single-crystal brittle material to be machined, according to the energy and fluence obtained from the simulation results; c) utilizing ultra-precision cutting (or grinding) technology to perform ultra precise cutting on the single-crystal material which is bombarded or irradiated by the particle beams; and d) measuring and characterizing the surface quality of the machined material and comparing the improvement of the machined surface quality with that of the unmodified machined surface. The method is mainly used for machining the single-crystal brittle materials. | 01-19-2012 |
Zhengyu Chen, Tianjin CN
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20130068987 | VALVE TRIM APPARATUS HAVING A CAVITY TO RECEIVE CONTAMINATES FROM A SEALING SURFACE - A valve trim apparatus comprises a valve seat ( | 03-21-2013 |
20130313464 | Method of Joining a Ceramic Plug Tip and a Steel Support Member Using a Threaded Joint and an Adhesive - A valve plug assembly includes a support member having a support member body having a first end and a second end. A stem bore adapted to receive a valve stem may extend axially inward from the second end, and a mating protrusion may extend axially outward from the first end. The valve plug assembly also includes a plug tip having a first end and a second end, and a plug surface adapted to engage a valve seat is disposed adjacent to the first end. A mating bore may extend axially inward from the second end, and the mating protrusion may be received into the mating bore such that a threaded portion of the mating protrusion engages a threaded portion of the mating bore. Additionally, an adhesive bonds the threaded portion of the mating protrusion to the threaded portion of the mating bore. | 11-28-2013 |
Zhongyuan Chen, Tianjin CN
Patent application number | Description | Published |
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20150369629 | Angle Sensor - An angle sensor, which relates to a technical field of angle measurement, includes: a Hall component and a magnet provided on a fixing frame; wherein the Hall component serves as a rotor, and the magnet serves as a stator; or, the Hall component serves as a stator, and the magnet serves as a rotor. The rotor is connected with a steering mechanism, and the Hall component generates and outputs a Hall voltage, so as to determine the steering angle of the steering mechanism based on the Hall voltage. Driven by the steering mechanism, a magnetic field of the magnet rotates accordingly, or the Hall component rotates accordingly, causing a result that a magnetic field applied to the Hall component changes, and ultimately leading to a change of the Hall voltage outputted by the Hall component, so as to obtain the steering angle of the steering mechanism. | 12-24-2015 |