Patents by Inventor Wen Liu
Wen Liu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20140213027Abstract: A method of forming a buried bit line is provided. A substrate is provided and a line-shaped trench region is defined in the substrate. A line-shaped trench is formed in the line-shaped trench region of the substrate. The line-shaped trench includes a sidewall surface and a bottom surface. Then, the bottom surface of the line-shaped trench is widened to form a curved bottom surface. Next, a doping area is formed in the substrate adjacent to the curved bottom surface. Lastly, a buried conductive layer is formed on the doping area such that the doping area and the buried conductive layer together constitute the buried bit line.Type: ApplicationFiled: February 20, 2014Publication date: July 31, 2014Applicant: NANYA TECHNOLOGY CORP.Inventors: Tieh-Chiang Wu, Yi-Nan Chen, Hsien-Wen Liu
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Publication number: 20140210319Abstract: A motor includes a base, a rotor unit and a driving unit. The base has opposite first and second surfaces. The rotor unit includes a magnet unit disposed on a rotatable magnet carrier to face the first surface of the base. The driving unit includes induction coils disposed on a circuit board, a sensor unit that is disposed on the circuit board and spaced apart from the induction coils and that defines a first reference line with the rotation axis, and a rotor positioning component disposed on the second surface of the base, extending along a second reference line, and capable of magnet attraction with the magnet unit for positioning the rotor unit relative to the sensor unit when the rotor unit stops rotating.Type: ApplicationFiled: January 25, 2013Publication date: July 31, 2014Applicant: Yen Sun Technology Corp.Inventors: Chien-Jung Chen, Hsien-Wen Liu, Chih-Tsung HSU, Tzu-Wen Tsai
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Publication number: 20140210295Abstract: A motor includes a base, a rotor unit and a driving unit. The base has opposite first and second surfaces. The rotor unit includes a magnet unit disposed on a rotatable magnet carrier to face the first surface of the base. The driving unit includes a circuit board disposed between the base and the magnet unit, induction coils disposed on the circuit board and operatively associated with the magnet unit, a sensor unit disposed on the circuit board and spaced apart from the induction coils, and a rotor positioning component disposed on the second surface of the base and capable of magnet attraction with the magnet unit for positioning the rotor unit relative to the sensor unit when the rotor unit stops rotating.Type: ApplicationFiled: January 25, 2013Publication date: July 31, 2014Applicant: Yen Sun Technology Corp.Inventors: Chien-Jung Chen, Hsien-Wen Liu, Chih-Tsung HSU, Tzu-Wen Tsai
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Publication number: 20140203333Abstract: In one embodiment, a method includes providing a semiconductor substrate having a trench disposed thereon and forming a plurality of layers in the trench. The plurality of layers formed in the trench is etched thereby providing at least one etched layer having a top surface that lies below a top surface of the trench. In a further embodiment, this may provide for a substantially v-shaped opening or entry to the trench for the formation of further layers. Further, a device having a modified profile metal gate for example having at least one layer of the metal.Type: ApplicationFiled: January 18, 2013Publication date: July 24, 2014Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yu-Lien Huang, Chi-Wen Liu, Zhao-Cheng Chen, Ming-Huan Tsai, Clement Hsingjen Wann
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Publication number: 20140203350Abstract: A tunneling field-effect transistor (TFET) device is disclosed. A frustoconical protrusion structure is disposed over the substrate and protrudes out of the plane of substrate. A drain region is disposed over the substrate adjacent to the frustoconical protrusion structure and extends to a bottom portion of the frustoconical protrusion structure as a raised drain region. A gate stack is disposed over the substrate. The gate stack has a planar portion, which is parallel to the surface of substrate and a gating surface, which wraps around a middle portion of the frustoconical protrusion structure, including overlapping with the raised drain region. An isolation dielectric layer is disposed between the planar portion of the gate stack and the drain region. A source region is disposed as a top portion of the frustoconical protrusion structure, including overlapping with a top portion of the gating surface of the gate stack.Type: ApplicationFiled: January 18, 2013Publication date: July 24, 2014Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Harry-Hak-Lay Chuang, Cheng-Cheng Kuo, Chi-Wen Liu, Ming Zhu
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Publication number: 20140203351Abstract: A tunneling field-effect transistor (TFET) device is disclosed. A frustoconical protrusion structure is disposed over a substrate and protruding out of the plane of substrate. A source region is disposed as a top portion of the frustoconical protrusion structure. A sidewall spacer is disposed along sidewall of the source region. A source contact with a critical dimension (CD), which is substantially larger than a width of the source region, is formed on the source region and the sidewall spacer together.Type: ApplicationFiled: January 18, 2013Publication date: July 24, 2014Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Harry-Hak-Lay Chuang, Cheng-Cheng Kuo, Chi-Wen Liu, Ming Zhu
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Publication number: 20140206156Abstract: A semiconductor device and method for fabricating a semiconductor device is disclosed. An exemplary semiconductor device includes a substrate including a fin structure disposed over the substrate. The fin structure includes one or more fins. The semiconductor device further includes an insulation material disposed on the substrate. The semiconductor device further includes a gate structure disposed on a portion of the fin structure and on a portion of the insulation material. The gate structure traverses each fin of the fin structure. The semiconductor device further includes a source and drain feature formed from a material having a continuous and uninterrupted surface area. The source and drain feature includes a surface in a plane that is in direct contact with a surface in a parallel plane of the insulation material, each of the one or more fins of the fin structure, and the gate structure.Type: ApplicationFiled: April 2, 2014Publication date: July 24, 2014Applicant: Taiwan Semiconductor Manufacturing Company Ltd.Inventors: Chi-Wen Liu, Chao-Hsiung Wang
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Publication number: 20140206166Abstract: A semiconductor device and method for fabricating a semiconductor device is disclosed. An exemplary semiconductor device includes a substrate including a fin structure including one or more fins disposed on the substrate. The semiconductor device further includes a dielectric layer disposed on a central portion of the fin structure and traversing each of the one or more fins. The semiconductor device further includes a work function metal disposed on the dielectric layer and traversing each of the one or more fins. The semiconductor device further includes a strained material disposed on the work function metal and interposed between each of the one or more fins. The semiconductor device further includes a signal metal disposed on the work function metal and on the strained material and traversing each of the one or more fins.Type: ApplicationFiled: April 2, 2014Publication date: July 24, 2014Applicant: Taiwan Semiconductor Manufacturing Company Ltd.Inventors: Chi-Wen Liu, Chao-Hsiung Wang
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Publication number: 20140197458Abstract: An integrated circuit structure includes a semiconductor substrate, and isolation regions extending into the semiconductor substrate, wherein the isolation regions have opposite sidewalls facing each other. A fin structure includes a silicon fin higher than top surfaces of the isolation regions, a germanium-containing semiconductor region overlapped by the silicon fin, silicon oxide regions on opposite sides of the germanium-containing semiconductor region, and a germanium-containing semiconductor layer between and in contact with the silicon fin and one of the silicon oxide regions.Type: ApplicationFiled: September 3, 2013Publication date: July 17, 2014Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Kuo-Cheng Ching, Jiun-Jia Huang, Chao-Hsiung Wang, Chi-Wen Liu
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Patent number: 8779801Abstract: A switching circuit includes a first input stage having an input for receiving a first input signal, an output, and a power terminal for receiving an increasing analog current, a second input stage having an input for receiving a second input signal, an output, and a power terminal for receiving a decreasing analog current, and an output node coupled to the outputs of the first input stage and the second input stage for providing a switched output signal. An output stage is coupled between the first and second input stages and the output node. The first and second input stages are operational amplifiers.Type: GrantFiled: December 3, 2012Date of Patent: July 15, 2014Assignee: STMicroelectronics (Shenzhen) R&D Co. Ltd.Inventors: Min Chen, Wen Liu, HongXia Li, XiaoWu Dai
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Patent number: 8772119Abstract: A fabricating method of a transistor is provided. A patterned sacrificed layer is formed on a substrate, wherein the patterned sacrificed layer includes a plurality of openings exposing the substrate. By using the patterned sacrificed layer as a mask, a doping process is performed on the substrate, thereby forming a doped source region and a doped drain region in the substrate exposed by the openings. A selective growth process is performed to form a source and a drain on the doped source region and the doped drain region, respectively. The patterned sacrificed layer is removed to expose the substrate between the source and the drain. A gate is formed on the substrate between the source and the drain.Type: GrantFiled: September 20, 2011Date of Patent: July 8, 2014Assignee: Nanya Technology CorporationInventors: Kuo-Hui Su, Yi-Nan Chen, Hsien-Wen Liu
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Publication number: 20140184646Abstract: An image processor and a fisheye image display method thereof are provided, where the fisheye image display method performs the following steps. A fisheye image and part images are received, and each part image and the fisheye image have a relation therebetween. A frame layout with at least one cell is read. The fisheye image or part image is inserted in the cell. The frame layout is set as an output image. A modification command is received. A modification procedure is performed to modify the output image according to the modification command. Each part image and the fisheye image maintains the relation after the output image is modified.Type: ApplicationFiled: December 30, 2013Publication date: July 3, 2014Applicant: VIVOTEK INC.Inventors: Chien-Wen LIU, Teng-Kai KUO
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Patent number: 8766456Abstract: A method of fabricating a semiconductor package is provided, including: disposing a semiconductor element on a carrier; forming an encapsulant on the carrier to encapsulant the semiconductor element; forming at least one through hole penetrating the encapsulant; forming a hollow conductive through hole in the through hole and, at the same time, forming a circuit layer on an active surface of the semiconductor element and the encapsulant; forming an insulating layer on the circuit layer; and removing the carrier. By forming the conductive through hole and the circuit layer simultaneously, the invention eliminates the need to form a dielectric layer before forming the circuit layer and dispenses with the conventional chemical mechanical polishing (CMP) process, thus greatly improving the fabrication efficiency.Type: GrantFiled: October 25, 2012Date of Patent: July 1, 2014Assignee: Siliconware Precision Industries Co., Ltd.Inventors: Hsi-Chang Hsu, Hsin-Hung Chou, Hung-Wen Liu, Hsin-Yi Liao, Chiang-Cheng Chang
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Patent number: 8759907Abstract: A method of forming a buried bit line is provided. A substrate is provided and a line-shaped trench region is defined in the substrate. A line-shaped trench is formed in the line-shaped trench region of the substrate. The line-shaped trench includes a sidewall surface and a bottom surface. Then, the bottom surface of the line-shaped trench is widened to form a curved bottom surface. Next, a doping area is formed in the substrate adjacent to the curved bottom surface. Lastly, a buried conductive layer is formed on the doping area such that the doping area and the buried conductive layer together constitute the buried bit line.Type: GrantFiled: April 26, 2011Date of Patent: June 24, 2014Assignee: Nanya Technology Corp.Inventors: Tieh-Chiang Wu, Yi-Nan Chen, Hsien-Wen Liu
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Patent number: 8758984Abstract: A method of forming gate conductor structures. A substrate having thereon a gate electrode layer is provided. A multi-layer hard mask is formed overlying the gate electrode layer. The multi-layer hard mask comprises a first hard mask, a second hard mask, and a third hard mask. A photoresist pattern is formed on the multi-layer hard mask. A first etching process is performed to etch the third hard mask, using the photoresist pattern as a first etch resist, thereby forming a patterned third hard mask. A second etching process is performed to etch the second hard mask and the first hard mask, using the patterned third hard mask as a second etch resist, thereby forming a patterned first hard mask. A third etching process is performed to etch a layer of the gate electrode layer, using the patterned first hard mask as a third etch resist.Type: GrantFiled: May 9, 2011Date of Patent: June 24, 2014Assignee: Nanya Technology Corp.Inventors: Chang-Ming Wu, Yi-Nan Chen, Hsien-Wen Liu
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Publication number: 20140154864Abstract: The present invention in a first aspect proposes a semiconductor structure with a crack stop structure. The semiconductor structure includes a matrix, an integrated circuit and a scribe line. The matrix includes a scribe line region and a circuit region. The integrated circuit is disposed within the circuit region. The scribe line is disposed within the scribe line region and includes a crack stop trench which is disposed in the matrix and adjacent to the circuit region. The crack stop trench is parallel with one side of the circuit region and filled with a composite material in the form of a grid to form a crack stop structure.Type: ApplicationFiled: February 5, 2014Publication date: June 5, 2014Applicant: NANYA TECHNOLOGY CORP.Inventors: Tse-Yao Huang, Yi-Nan Chen, Hsien-Wen Liu
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Patent number: 8739806Abstract: A chemical mechanical polishing (CMP) system includes a wafer polishing unit comprising a waste liquid sink for receiving a used slurry and a waste slurry drain piping for draining the used slurry; and a post-CMP cleaning unit coupled to the wafer polishing unit such that a used base chemical such as tetramethyl ammonium hydroxide (TMAH) produced from the post-CMP cleaning unit flows toward the wafer polishing unit to frequently wash at least the waste slurry drain piping in a real time fashion on a wafer by wafer basis.Type: GrantFiled: May 11, 2011Date of Patent: June 3, 2014Assignee: Nanya Technology Corp.Inventors: Li-Chung Liu, Yi-Nan Chen, Hsien-Wen Liu
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Publication number: 20140136198Abstract: The present invention relates to voice processing and provides a method and system for correcting a text. The method comprising: determining a target text unit to be corrected in a text; receiving a reference voice segment input by the user for the target text unit; determining a reference text unit whose pronunciation is similar to a word in the target text unit based on the reference voice segment; and correcting the word in the target text unit in the text by the reference text unit. The present invention enables the user to easily correct errors in the text vocally.Type: ApplicationFiled: January 16, 2014Publication date: May 15, 2014Applicant: International Business Machines CorporationInventors: Sheng Hua Bao, Jian Chen, Wen Liu, Yong Qin, Qin Shi, Zhong Su, Shi Lei Zhang
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Patent number: 8723236Abstract: A semiconductor device and method for fabricating a semiconductor device is disclosed. An exemplary semiconductor device includes a substrate including a fin structure including one or more fins disposed on the substrate. The semiconductor device further includes a dielectric layer disposed on a central portion of the fin structure and traversing each of the one or more fins. The semiconductor device further includes a work function metal disposed on the dielectric layer and traversing each of the one or more fins. The semiconductor device further includes a strained material disposed on the work function metal and interposed between each of the one or more fins. The semiconductor device further includes a signal metal disposed on the work function metal and on the strained material and traversing each of the one or more fins.Type: GrantFiled: October 13, 2011Date of Patent: May 13, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chi-Wen Liu, Chao-Hsiung Wang
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Patent number: 8723272Abstract: A semiconductor device and method for fabricating a semiconductor device is disclosed. An exemplary semiconductor device includes a substrate including a fin structure disposed over the substrate. The fin structure includes one or more fins. The semiconductor device further includes an insulation material disposed on the substrate. The semiconductor device further includes a gate structure disposed on a portion of the fin structure and on a portion of the insulation material. The gate structure traverses each fin of the fin structure. The semiconductor device further includes a source and drain feature formed from a material having a continuous and uninterrupted surface area. The source and drain feature includes a surface in a plane that is in direct contact with a surface in a parallel plane of the insulation material, each of the one or more fins of the fin structure, and the gate structure.Type: GrantFiled: October 4, 2011Date of Patent: May 13, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chi-Wen Liu, Chao-Hsiung Wang