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).

  • Patent number: 8292585
    Abstract: A fan device having simultaneously foldable blades includes a rotatable driving unit. A plurality of supporting frames extend outwardly from the driving unit, each supporting frame has a pivot mounted on one end thereof. A plurality of shells are respectively mounted on the supporting frames, each shell has a center hole defined therein. A plurality of blades are respectively disposed on the shells. Each blade has an assembling portion disposed thereon. Each assembling portion has a through hole defined therein. A plurality of coupling rods respectively positioned between every two adjacent shells. When the driving unit rotates, the shells synchronously rotate and driving the coupling rods to be moved for simultaneously driving the blades to retractably fold/unfold.
    Type: Grant
    Filed: May 13, 2010
    Date of Patent: October 23, 2012
    Assignee: Pan Air Electric Co., Ltd.
    Inventor: Ching-Wen Liu
  • Publication number: 20120261662
    Abstract: An integrated circuit system comprising a first integrated and at least one of a second integrated circuit, interposer or printed circuit board. The first integrated circuit further comprising a wiring stack, bond pads electrically connected to the wiring stack, and bump balls formed on the bond pads. First portions of the wiring stack and the bond pads form a functional circuit, and second portions of the wiring stack and the bond pads form a test circuit. A portion of the bump balls comprising dummy bump balls. The dummy bump balls electrically connected to the second portions of the wiring stack and the bond pads. The at least one of the second integrated circuit, interposer orprinted circuit board forming a portion of the test circuit.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Shih-Wei LIANG, Yu-Wen LIU, Hsien-Wei CHEN
  • Publication number: 20120264300
    Abstract: A method of fabricating the semiconductor component including following steps is provided. A substrate is provided, wherein an opening is already formed in the substrate. A material layer is formed on the substrate, wherein the material layer fills up the opening, and the material layer outside and above the opening has a recess therein. A sacrifice layer is formed on a surface of the recess. A chemical mechanical polishing (CMP) process is performed to remove the sacrifice layer and the material layer outside the opening, wherein a polishing rate of the CMP process on the material layer is greater than that of the CMP process on the sacrifice layer.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120264359
    Abstract: A membrane is suitable to be mounted on a polishing head of a chemical mechanical polishing apparatus and includes a main portion and an edge portion. The edge portion is located at an edge of the main portion, wherein a first included angle between the main portion and the edge portion is an obtuse angle.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120264299
    Abstract: A chemical mechanical polishing (CMP) method is provided The method is capable of polishing a substrate in a CMP apparatus by using a hydrophobic polishing pad and includes following steps. A first CMP process is performed to the substrate. A first cleaning process is performed to the hydrophobic polishing pad. A second CMP process is performed to the substrate, wherein the first CMP process, the first cleaning process and the second CMP process are performed in sequence.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120264354
    Abstract: A distance monitoring device is provided. The device is suitable for a chemical mechanical polishing (CMP) apparatus. A polishing head of the CMP apparatus includes a frame and a membrane. The membrane is mounted on the frame, and a plurality of air bags is formed by the membrane and the frame in the polishing head. The distance monitoring device includes a plurality of distance detectors disposed on the frame corresponding to the air bags respectively to set a location of each of the distance detectors on the frame as a reference point, wherein each of the distance detectors is configured to measure a distance between each of the reference points and the membrane.
    Type: Application
    Filed: April 13, 2011
    Publication date: October 18, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chien-Mao Liao, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8288279
    Abstract: A method for fabricating a conductive contact is provided, including: providing a semiconductor substrate with a gate structure and a pair of first conductive regions in a first region, and a pair of second conductive regions and an isolation element in the second region, and a first dielectric layer and a second dielectric layer thereon; forming a third dielectric layer and a fourth dielectric layer over the semiconductor substrate in the first region; forming a pattern mask layer with a first opening over the second dielectric layer in the second region; performing an etching process to the third and fourth dielectric layers in the first region and a portion of the first and second dielectric layers in the second region exposed by the first opening; removing the patterned mask layer; forming a first conductive semiconductor layer over the first conductive regions and a second conductive semiconductor layer over the isolation element and portions of the top surface of the second conductive regions; forming a
    Type: Grant
    Filed: June 16, 2011
    Date of Patent: October 16, 2012
    Assignee: Nanya Technology Corporation
    Inventors: Jar-Ming Ho, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120256298
    Abstract: A monitoring pattern for pattern stitch in double patterning is provided with a plurality of pattern cuts that include at least one line-ended cut and at least one non-line-ended cut, wherein every pattern cut has a stitching critical dimension (CD). A semiconductor wafer having at least one target pattern corresponding to the monitoring pattern is also provided. A method for monitoring pattern stitch can be preformed to check for pattern cut displacement in stitching areas and to increase reliability and printability of layouts, by comparing corresponding stitching critical dimensions of the target pattern and the monitoring pattern.
    Type: Application
    Filed: April 5, 2011
    Publication date: October 11, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Kuo Kuei Fu, Yi Nan Chen, Hsien Wen Liu
  • Publication number: 20120256279
    Abstract: A method of gate work function adjustment includes the steps as follow. First, a substrate is provided, wherein a metal gate is disposed on the substrate, a source doping region and a drain doping region are disposed in the substrate at opposite sites of the metal gate, wherein the metal gate is divided into a source side adjacent to the source doping region, and a drain side adjacent to the drain doping region. Later, a mask layer is formed to cover the source doping region and the drain doping region. After that, an implantation process is performed to implant nitrogen into the metal gate so as to make a first nitrogen concentration of the source side higher than a second nitrogen concentration of the drain side. Finally, the mask layer is removed.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 11, 2012
    Inventors: Tieh-Chiang Wu, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120258386
    Abstract: A model of defining a photoresist pattern collapse rule is provided. A portion of the photoresist pattern which corresponds to a second line pattern of a photomask layout is defined as non-collapse if d?5a and c?1.5b or if 5a>d?3a and c?1.2b, wherein b is the widths of two first line patterns, c is the width of a second line pattern of the photomask layout, and a and d are distances between the second line pattern and the two first line patterns. Accordingly, a photomask layout, a semiconductor substrate and a method for improving photoresist pattern collapse for post-optical proximity correction are also provided.
    Type: Application
    Filed: April 5, 2011
    Publication date: October 11, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Kuo Kuei Fu, Yi Nan Chen, Hsien Wen Liu
  • Publication number: 20120259445
    Abstract: A method for matching assistant feature tools includes the steps of: generating an objective assistant feature according to a specific test layout by a first assistant feature tool; generating a compared assistant feature according to the specific test layout by a second assistant feature tool; and determining whether to accept or reject the second assistant feature tool by comparing the compared assistant feature with the objective assistant feature.
    Type: Application
    Filed: April 5, 2011
    Publication date: October 11, 2012
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Kuo Kuei Fu, Yi Nan Chen, Hsien Wen Liu
  • Publication number: 20120256257
    Abstract: The present invention disclosed a recessed gate transistor with buried fins. The recessed gate transistor with buried fins is disposed in an active region on a semiconductor substrate. Two isolation regions disposed in the semiconductor substrate, and sandwich the active region. A gate structure is disposed in the semiconductor substrate, wherein the gate structure includes: an upper part and a lower part. The upper part is disposed in the active region and a lower part having a front fin disposed in one of the two isolation regions, at least one middle fin disposed in the active region, and a last fin disposed in the other one of the two isolation regions, wherein the front fin are both elliptic cylindrical.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 11, 2012
    Inventors: Tieh-Chiang Wu, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120256230
    Abstract: A power device with trenched gate structure, includes: a substrate having a first face and a second face opposing to the first face, a body region of a first conductivity type disposed in the substrate, a base region of a second conductivity type disposed in the body region, a cathode region of the first conductivity type disposed in the base region, an anode region of the second conductivity type disposed in the substrate at the second face a trench disposed in the substrate and extending from the first face into the body region, and the cathode region encompassing the trench, wherein the trench has a wavelike sidewall, a gate structure disposed in the trench and an accumulation region disposed in the body region and along the wavelike sidewall. The wavelike sidewall can increase the base current of the bipolar transistor and increase the performance of the IGBT.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 11, 2012
    Inventors: Tieh-Chiang Wu, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120256255
    Abstract: A recessed trench gate structure is provided. The recessed trench gate structure includes a substrate with a recessed trench, a gate dielectric layer disposed around an inner surface of the recessed trench, a lower gate conductor disposed at a lower portion of the recessed trench and on the gate dielectric layer. Specially, the lower gate conductor has a convex top surface. A spacer is disposed along an inner side wall of a upper portion of the recessed trench and a upper gate conductor is disposed on the lower gate conductor. The convex top surface can prevent the electric field from distributing not uniformly, so that the GIDL can be prevented.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 11, 2012
    Inventors: Tieh-Chiang Wu, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20120256256
    Abstract: A recessed gate transistor with cylindrical fins is disclosed. The recessed gate transistor is disposed in an active region of a semiconductor substrate. Two isolation regions disposed in the semiconductor substrate to define an active region therebetween. The recessed gate transistor includes a gate structure, a source doping region and a drain doping region. The gate structure has at least three fins forms a concave and convex bottom of the gate structure. The front fin is disposed in one of the two isolation regions, the middle fin is disposed in the active region and a last fin disposed in the other one of the two isolation regions. The front fin and the last fin are both cylindrical. A lower part of the gate structure is M-shaped when view from the source doping region to the drain doping region direction.
    Type: Application
    Filed: April 7, 2011
    Publication date: October 11, 2012
    Inventors: Tieh-Chiang Wu, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8283709
    Abstract: A semiconductor device is disclosed which includes a silicide substrate, a nitride layer, two STIs, and a strain nitride. The silicide substrate has two doping areas. The nitride layer is deposited on the silicide substrate. The silicide substrate and the nitride layer have a recess running through. The two doping areas are at two sides of the recess. The end of the recess has an etching space bigger than the recess. The top of the silicide substrate has a fin-shaped structure. The two STIs are at the two opposite sides of the silicide substrate (recess). The strain nitride is spacer-formed in the recess and attached to the side wall of the silicide substrate, nitride layer, two STIs. The two doping areas cover the strain nitride. As a result, the efficiency of semiconductor is improved, and the drive current is increased.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: October 9, 2012
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung Han Lee, Chung-Lin Huang, Hsien-Wen Liu
  • Publication number: 20120253729
    Abstract: A test system, a test signal auxiliary device, and a test signal generation method thereof are disclosed. The test signal auxiliary device is used for providing a computer system to test a signal measurement device. The test signal auxiliary device includes a first signal input terminal used for receiving an analog test signal via a first audio port of the computer system. A filter module is used for filtering the analog test signal to produce a filtered signal. A first signal output terminal is used for outputting the filtered signal to the signal measurement device. A second signal input terminal is used for receiving a corresponding signal from the signal measurement device. A second signal output terminal is used for transmitting the corresponding signal to the computer system via a second audio port.
    Type: Application
    Filed: July 13, 2011
    Publication date: October 4, 2012
    Applicant: Wistron Corporation
    Inventors: Wen-Hui Shih, Chia-Yuan Wang, Huan-Chieh Hu, Ting-Wen Liu
  • Patent number: 8278732
    Abstract: An antifuse element for an integrated circuit is provided, including a conductive region formed in a semiconductor substrate, extending along a first direction; a dielectric layer formed on a portion of the conductive region; a first conductive plug formed on the dielectric layer; a second conductive plug formed on another portion of the conductive region; and a first conductive member formed over the first and second conductive plugs, extending along a second direction perpendicular to the first direction; and a second conductive member formed over the second conductive plug extending along the second direction, wherein the first conductive member intersects with the conductive region, having a first overlapping area therebetween, and the dielectric layer and the conductive region have a second overlapping area therebetween, and a ratio between the first overlapping area and the second overlapping area is about 1.5:1 to 3:1.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: October 2, 2012
    Assignee: Nanya Technology Corporation
    Inventors: Jar-Ming Ho, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8278737
    Abstract: A semiconductor device is provided that includes a semiconductor substrate, a plurality of dies formed on the semiconductor substrate, the plurality of dies being separated from one another by a first region extending along a first direction and a second region extending along a second direction different from the first direction, a dummy metal structure formed within a third region that includes a region defined by an intersection of the first region and the second region, a plurality of metal interconnection layers formed over the substrate, and a plurality of dielectric layers formed over the substrate. Each of the metal interconnection layers is disposed within each of the dielectric layers and a dielectric constant of at least one of the dielectric layers is less than about 2.6.
    Type: Grant
    Filed: April 2, 2009
    Date of Patent: October 2, 2012
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsien-Wei Chen, Hao-Yi Tsai, Ying-Ju Chen, Yu-Wen Liu, Shin-Puu Jeng
  • Patent number: 8281095
    Abstract: A data storage system and the backup method thereof are provided. The data storage system includes a storage device and a storage controller. The storage controller is coupled to the storage device and used for dividing the storage device into a primary data block and a backup data block and setting the data storage system to operate under one of a real time backup mode and a non-real time backup mode. Under the non-real time backup mode, the storage controller backups the data stored in the primary data block to the backup data block when the data storage system is idle.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: October 2, 2012
    Assignee: Prolific Technology Inc.
    Inventors: Po-Yuan Chen, Jue-Wen Liu