Patents by Inventor Hsien-Wen Liu

Hsien-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: 8487397
    Abstract: An integrated circuit with a self-aligned contact includes a substrate with a transistor formed thereover, a dielectric spacer, a protection barrier, and a conductive layer. The transistor includes a mask layer and a pair of insulating spacers formed on opposite sides of the mask layer. The dielectric spacer partially covers at least one of the insulating spacers of the transistor. The protection barrier is formed over the dielectric spacer. The conductive layer is formed over the mask layer, the protection barrier, the dielectric spacer, the insulating spacer and the dielectric spacer as a self-aligned contact for contacting a source/drain region of the transistor.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: July 16, 2013
    Assignee: Nanya Technology Corporation
    Inventors: Jar-Ming Ho, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8476764
    Abstract: A bonding pad structure includes a semiconductor substrate having thereon a plurality of inter-metal dielectric (IMD) layers comprising at least a topmost IMD layer; a bondable metal pad layer disposed on a surface of the topmost IMD layer within a pad forming region; a passivation layer covering a periphery of the bondable metal pad layer and the surface of the topmost IMD layer; and a plurality of via plugs disposed in the topmost IMD layer within an annular region of the pad forming region, wherein the via plugs are not formed in a central region of the pad forming region.
    Type: Grant
    Filed: September 18, 2011
    Date of Patent: July 2, 2013
    Assignee: Nanya Technology Corp.
    Inventors: Tse-Yao Huang, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8476704
    Abstract: A circuit structure including a semiconductor substrate having a depression; a first insulating layer positioned on the surface of the depression; a bottom conductor positioned in a bottom portion of the depression, wherein the bottom conductor is connected to an external bias through a plurality of longer vertical contact plugs; an upper conductor positioned in an upper portion of the depression, wherein the upper conductor is connected to a plurality of shorter vertical contact plugs, and a top surface of the upper conductor is higher than a depression-bearing surface of the semiconductor substrate; and a second insulating layer positioned between the bottom conductor and the upper conductor.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: July 2, 2013
    Assignee: Nan Ya Technology Corporation
    Inventors: Jeng Hsing Jang, Yi Nan Chen, Hsien Wen Liu
  • Patent number: 8470515
    Abstract: A method of forming an etch mask includes: providing a substrate having thereon a material layer to be etched; forming a hard mask layer consisting of a radiation-sensitive, single-layer resist material on the material layer; exposing the hard mask layer to actinic energy to change solvent solubility of exposed regions of the hard mask layer; and subjecting the hard mask layer to water treatment to remove the exposed regions of the hard mask layer, thereby forming a masking pattern consisting of unexposed regions of the hard mask layer.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: June 25, 2013
    Assignee: Nanya Technology Corp.
    Inventors: Tse-Yao Huang, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8458842
    Abstract: A post-CMP wafer cleaning apparatus includes a chamber; a plurality of rollers adapted to hold and rotate a wafer within the chamber; at least one brush adapted to scrub a surface of the wafer to be cleaned; and a liquid spraying device adapted to spray a liquid on the wafer, the liquid spraying device comprising two spray bars jointed together via a joint member.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: June 11, 2013
    Assignee: Nanya Technology Corp.
    Inventors: Li-Chung Liu, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20130141301
    Abstract: An antenna structure includes a circuit board and at least one antenna circuit. The circuit board includes a ground area and an antenna area. The antenna area is substantially rectangular-shaped and arranged between the ground area and the periphery of the circuit board. The antenna circuit is formed within the antenna area and includes a feeding segment, a border segment and at least one ground segment. The feeding segment is connected to the border segment and the distance from the border segment to the periphery of the circuit board ranges from 0 to 3 millimeters; a substantially 90° bent-structure is formed within the border segment. One end portion of the ground segment is connected to the ground area. Thus an antenna structure which enables the antenna circuit to be formed within the remaining space on the periphery of the circuit board is provided.
    Type: Application
    Filed: December 2, 2011
    Publication date: June 6, 2013
    Applicant: AUDEN TECHNO CORP.
    Inventor: HSIEN-WEN LIU
  • Patent number: 8455319
    Abstract: A manufacturing method for a vertical transistor of random-access memory, having the steps of: defining an active region on a semiconductor substrate; forming a shallow trench isolation structure outside of the active region; etching the active region and forming a gate dielectric layer and a positioning gate thereon, forming a word line perpendicular to the positioning gate; forming spacing layers on the outer surfaces of the word line; implanting ions to the formed structure in forming an n-type and a p-type region on opposite sides of the word line with the active region; forming an n-type and a p-type floating body respectively on the n-type and p-type region; forming a source line perpendicular to the word line and connecting to the n-type floating body; forming a bit line perpendicular to the source line and connecting to the p-type floating body. Hence, a vertical transistor with steady threshold voltage is achieved.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: June 4, 2013
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung Han Lee, Chung-Yuan Lee, Hsien-Wen Liu
  • Publication number: 20130122689
    Abstract: A method includes performing a dicing on a composite wafer including a plurality of dies, wherein the composite wafer is bonded on a carrier when the step of dicing is performed. After the step of dicing, the composite wafer is mounted onto a tape. The carrier is then de-bonded from the composite wafer and the first tape.
    Type: Application
    Filed: November 16, 2011
    Publication date: May 16, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chung Yu Wang, Jui-Pin Hung, Chih-Hao Chen, Chun-Hsing Su, Yi-Chao Mao, Kung-Chen Yeh, Yi-Lin Tsai, Ying-Tz Hung, Chin-Fu Kao, Shih-Yi Syu, Chin-Chuan Chang, Hsien-Wen Liu, Long Hua Lee
  • Patent number: 8431933
    Abstract: A memory layout structure is disclosed, in which, a lengthwise direction of each active area and each row of active areas form an included angle not equal to zero and not equal to 90 degrees, bit lines and word lines cross over each other above the active areas, the bit lines are each disposed above a row of active areas, bit line contact plugs or node contact plugs may be each disposed entirely on an source/drain region, or partially on the source/drain region and partially extend downward along a sidewall (edge wall) of the substrate of the active area to carry out a sidewall contact. Self-aligned node contact plugs are each disposed between two adjacent bit lines and between two adjacent word lines.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: April 30, 2013
    Assignee: Inotera Memories, Inc.
    Inventors: Tzung-Han Lee, Chung-Lin Huang, Hsien-Wen Liu
  • Publication number: 20130099309
    Abstract: A vertical MOSFET electrostatic discharge device is disclosed, including a substrate comprising a plurality of trenches, a recessed gate disposed in each trench, a drain region disposed between each of the two neighboring recessed gates, an electrostatic discharge implant region disposed under each drain region, and a source region surrounding and disposed under the recessed gates and the electrostatic discharge implant regions.
    Type: Application
    Filed: October 25, 2011
    Publication date: April 25, 2013
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Jeng-Hsing Jang, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20130102123
    Abstract: A method for manufacturing a buried-strap includes: forming a trench capacitor structure in a semiconductor substrate, wherein the trench capacitor structure has a doped polysilicon layer and an isolation collar covered by the doped polysilicon layer, and a top surface of the doped polysilicon layer is lower than a top surface of the semiconductor substrate such that a first recess is formed; sequentially forming a first resist layer, a second resist layer and a third resist layer over the semiconductor substrate; sequentially patterning the third resist layer, the second resist layer and the first resist layer, forming a patterned tri-layer resist layer over the semiconductor substrate; partially removing a portion of the doped polysilicon layer exposed by the patterned tri-layer resist layer to form a second recess; removing the patterned tri-layer resist layer; and forming an insulating layer in the second recess and a portion of the first recess.
    Type: Application
    Filed: October 19, 2011
    Publication date: April 25, 2013
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Tzu-Ching Tsai, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8420477
    Abstract: A method for fabricating a gate dielectric layer comprises the steps of: forming a dielectric layer on a semiconductor substrate; performing a nitrogen treating process to form a nitride layer on the dielectric layer; and performing a thermal treating process at 1150-1400° C. for a period of 400-800 milliseconds, to form a gate dielectric layer. A step of forming a gate layer on the gate dielectric layer may be performed to form a gate structure.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: April 16, 2013
    Assignee: Nanya Technology Corporation
    Inventors: Kuo Hui Su, Yi Nan Chen, Hsien Wen Liu
  • Patent number: 8420545
    Abstract: The present invention relates to a plasma etching method and apparatus for preparing high-aspect-ratio structures. The method includes the steps of placing the substrate into a plasma etching apparatus, wherein the plasma etching apparatus includes an upper electrode plate and a lower electrode plate; continuously supplying an upper source RF power and a DC power to the upper electrode plate; and discontinuously supplying a bias RF power to the lower electrode plate. When the bias RF power is switched to the off state, a large amount of secondary electrons pass through the bulk plasma and reach the substrate to neutralize the positive ions during the duration time of the off state (Toff).
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: April 16, 2013
    Assignee: Nanya Technology Corporation
    Inventors: Chang Ming Wu, Yi Nan Chen, Hsien Wen Liu
  • Patent number: 8420541
    Abstract: A method for increasing adhesion between polysilazane and silicon nitride is disclosed, comprising, providing a substrate comprising a trench, forming a silicon nitride liner layer on a bottom surface and a sidewall of the trench, performing a treating process to the silicon nitride liner layer for producing a hydrophilic surface with OH groups that can increase adhesion between the silicon nitride liner layer and a subsequently formed polysilazane coating layer, and forming a polysilazane coating layer into the trench and on the silicon nitride liner layer.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: April 16, 2013
    Assignee: Nanya Technology Corporation
    Inventors: Shing-Yih Shih, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20130087951
    Abstract: An embodiment is a molding chamber. The molding chamber comprises a mold-conforming chase, a substrate-base chase, a first radiation permissive component, and a microwave generator coupled to a first waveguide. The mold-conforming chase is over the substrate-base chase, and the mold-conforming chase is moveable in relation to the substrate-base chase. The first radiation permissive component is in one of the mold-conforming chase or the substrate-base chase. The microwave generator and the first waveguide are together operable to direct microwave radiation through the first radiation permissive component.
    Type: Application
    Filed: October 11, 2011
    Publication date: April 11, 2013
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jing-Cheng Lin, Hsien-Wen Liu, Jui-Pin Hung, Shin-Puu Jeng, Chen-Hua Yu
  • Patent number: 8415852
    Abstract: A motor stator includes a stator unit and at least one auxiliary unit. The stator unit includes a circuit substrate, and a plurality of spaced-apart induction coils embedded within the circuit substrate. The auxiliary unit includes an auxiliary coil attached to and disposed outwardly of the circuit substrate.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: April 9, 2013
    Assignee: Yen Sun Technology Corp.
    Inventors: Chien-Jung Chen, Hsien-Wen Liu, Chih-Tsung Hsu, Tzu-Wen Tsai, Cheng-Tien Shih, Hsin-Hsien Wu, Jia-Ching Lee
  • Patent number: 8415729
    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: Grant
    Filed: April 7, 2011
    Date of Patent: April 9, 2013
    Assignee: Nanya Technology Corp.
    Inventors: Tieh-Chiang Wu, Yi-Nan Chen, Hsien-Wen Liu
  • Patent number: 8410535
    Abstract: A capacitor and a manufacturing method thereof are provided. The capacitor includes a first electrode, a first metal layer, a dielectric layer and a second electrode. The first electrode is disposed on a substrate. The first metal layer is disposed on the first electrode. The dielectric layer is disposed on the first metal layer, wherein the material of the first metal layer does not react with the material of the dielectric layer. The second electrode is disposed on the dielectric layer.
    Type: Grant
    Filed: April 25, 2011
    Date of Patent: April 2, 2013
    Assignee: Nanya Technology Corporation
    Inventors: Kuo-Hui Su, Yi-Nan Chen, Hsien-Wen Liu
  • Publication number: 20130078804
    Abstract: A method for fabricating an integrated device with reduced plasma damage is disclosed, including providing a substrate, forming a structural layer on the substrate, forming a photoresist layer on the structural layer, and performing an etching process to the structural layer, wherein the photoresist layer is conductive to reduce plasma damage during the etching process.
    Type: Application
    Filed: September 22, 2011
    Publication date: March 28, 2013
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Jeng-Hsing JANG, Yi-Nan CHEN, Hsien-Wen LIU
  • Publication number: 20130078815
    Abstract: A method for forming a semiconductor structure with reduced line edge roughness is provided, including: providing a device layer with a patterned photoresist layer formed thereon; and performing a plasma etching process to pattern the device layer with the patterned photoresist layer formed thereon, forming a patterned device layer, wherein the plasma etching process is operated under a continuous on-stage voltage provided with a relative higher frequency and an on-off stage voltage with pulsing modulation provided with a relative lower frequency.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 28, 2013
    Applicant: NANYA TECHNOLOGY CORPORATION
    Inventors: Chang-Ming Wu, Yi-Nan Chen, Hsien-Wen Liu