Patents by Inventor Ping-Wei Wang

Ping-Wei Wang 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: 10176864
    Abstract: A static random access memory (SRAM) includes a bit cell that receives an operating voltage and a reference voltage, and includes a p-type pass gate. A bit information path is connected to the bit cell by the p-type pass gate, and a pre-discharge circuit is connected to the bit information path. The pre-discharge circuit includes an n-type transistor that discharges the bit information path to the reference voltage.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: January 8, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Cheng Wu, Wei Min Chan, Yen-Huei Chen, Hung-Jen Liao, Ping-Wei Wang
  • Publication number: 20180366469
    Abstract: A semiconductor device includes first, second, third, and fourth active regions arranged along a first direction. The first, second, third, and fourth active regions includes channel regions and source/drain (S/D) regions of first, second, third, and fourth transistors respectively, the first and fourth transistors are of a first conductivity type, and the second and third transistors are of a second conductivity type opposite the first conductivity type. The semiconductor device further includes a fifth active region between the second and third active regions. The fifth active region includes channel regions and S/D regions of fifth and sixth transistors that are of same conductivity type. The semiconductor device further includes first, second, third, fourth, fifth, and sixth gates. The first through sixth gates are disposed over the channel regions of the first through sixth transistors respectively. The first, second, and fifth gates are electrically connected.
    Type: Application
    Filed: July 27, 2018
    Publication date: December 20, 2018
    Inventors: Kuo-Hsiu Hsu, Yu-Kuan Lin, Feng-Ming Chang, Lien Jung Hung, Ping-Wei Wang
  • Patent number: 10147729
    Abstract: Structures, devices and methods are provided for fabricating memory devices. A structure includes: a first conductive line disposed in a first conductive layer; a first landing pad disposed in the first conductive layer and associated with a second conductive line disposed in a second conductive layer; and a second landing pad disposed in the first conductive layer and associated with a third conductive line disposed in a third conductive layer. The second conductive layer and the third conductive layer are different from the first conductive layer.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: December 4, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Feng-Ming Chang, Lien-Jung Hung, Huai-Ying Huang, Ping-Wei Wang
  • Patent number: 10083970
    Abstract: An SRAM includes an SRAM array including a plurality of SRAM cells arranged in a matrix. Each of the SRAM cells includes six vertical field effect transistors. The SRAM array includes a plurality of groups of conductive regions extending in the column direction. Each of the plurality of groups of conductive regions includes a first to a fourth conductive region arranged in this order in the row direction, and the first to fourth conductive regions are separated by insulating regions from each other. The first, second and third conductive regions are coupled to sources of first conductive type VFETs, and the fourth conductive region is coupled to sources of second conductive type VFETs. The plurality of groups are arranged in the row direction such that the fourth conductive region of one group of conductive regions is adjacent to the first conductive region of adjacent one group of conductive regions.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: September 25, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chia-Hao Pao, Chang-Ta Yang, Feng-Ming Chang, Ping-Wei Wang
  • Patent number: 10050045
    Abstract: An SRAM cell includes first through fifth active regions. The first through fourth active regions comprise channel regions and source/drain (S/D) regions of first through fourth transistors respectively, and the fifth active region comprises channel regions and S/D regions of fifth and sixth transistors. The SRAM cell further includes first through sixth gates configured to engage the channel regions of the first through sixth transistors. The first and second gates are electrically connected. The third and fourth gates are electrically connected. The SRAM cell further includes first conductive features that electrically connect one of the S/D regions of the first transistor, one of the S/D regions of the second transistor, and the third gate. The SRAM cell further includes second conductive features that electrically connect the second gate, one of the S/D regions of the third transistor, one of the S/D regions of the fourth transistor, and the fifth gate.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: August 14, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Kuo-Hsiu Hsu, Yu-Kuan Lin, Feng-Ming Chang, Lien Jung Hung, Ping-Wei Wang
  • Publication number: 20180138185
    Abstract: A semiconductor device includes a substrate, a first transistor, and a second transistor. The first transistor is disposed on the substrate. The second transistor is disposed on the substrate. A gate of the first transistor and a gate of the second transistor are integrally formed, and the first transistor and the second transistor have different threshold voltages.
    Type: Application
    Filed: November 17, 2016
    Publication date: May 17, 2018
    Inventors: Jordan Hsu, Yu-Kuan Lin, Shau-Wei Lu, Chang-Ta Yang, Ping-Wei Wang, Kuo-Hung Lo
  • Publication number: 20170294224
    Abstract: A static random access memory (SRAM) includes a bit cell that receives an operating voltage and a reference voltage, and includes a p-type pass gate. A bit information path is connected to the bit cell by the p-type pass gate, and a pre-discharge circuit is connected to the bit information path. The pre-discharge circuit includes an n-type transistor that discharges the bit information path to the reference voltage.
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Inventors: Wei-Cheng WU, Wei Min CHAN, Yen-Huei CHEN, Hung-Jen LIAO, Ping-Wei WANG
  • Patent number: 9761572
    Abstract: A layout of a memory device is stored on a non-transitory computer-readable medium. The layout includes a plurality of active area regions, a lowermost interconnect layer, a plurality of memory cells, and a word line. The lowermost interconnect layer includes a first conductive layer over the plurality of active area regions, and a second conductive layer over the first conductive layer. The plurality of memory cells includes the plurality of active area regions. The word line is in the second conductive layer, and is coupled to the plurality of memory cells.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: September 12, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jui-Lin Chen, Feng-Ming Chang, Huai-Ying Huang, Ping-Wei Wang
  • Patent number: 9704565
    Abstract: A method of using a static random access memory (SRAM) includes pre-discharging a data line to a reference voltage, activating a bit cell connected to the data line, wherein the bit cell comprises a p-type pass gate, and exchanging bit information between the data line and the activated bit cell.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: July 11, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Cheng Wu, Wei Min Chan, Yen-Huei Chen, Hung-Jen Liao, Ping-Wei Wang
  • Publication number: 20170179135
    Abstract: An SRAM includes an SRAM array comprising a plurality of SRAM cells arranged in a matrix. Each of the SRAM cells includes six vertical field effect transistors. The SRAM array includes a plurality of groups of conductive regions extending in the column direction. Each of the plurality of groups of conductive regions includes a first to a fourth conductive region arranged in this order in the row direction, and the first to fourth conductive regions are separated by insulating regions from each other. The first, second and third conductive regions are coupled to sources of first conductive type VFETs, and the fourth conductive region is coupled to sources of second conductive type VFETs. The plurality of groups are arranged in the row direction such that the fourth conductive region of one group of conductive regions is adjacent to the first conductive region of adjacent one group of conductive regions.
    Type: Application
    Filed: March 1, 2017
    Publication date: June 22, 2017
    Inventors: Chia-Hao PAO, Chang-Ta YANG, Feng-Ming CHANG, Ping-Wei WANG
  • Publication number: 20170125424
    Abstract: An SRAM includes an SRAM array including a plurality of SRAM cells arranged in a matrix. Each of the SRAM cells includes six vertical field effect transistors. The SRAM array includes a plurality of groups of conductive regions extending in the column direction. Each of the plurality of groups of conductive regions includes a first to a fourth conductive region arranged in this order in the row direction, and the first to fourth conductive regions are separated by insulating regions from each other. The first, second and third conductive regions are coupled to sources of first conductive type VFETs, and the fourth conductive region is coupled to sources of second conductive type VFETs. The plurality of groups are arranged in the row direction such that the fourth conductive region of one group of conductive regions is adjacent to the first conductive region of adjacent one group of conductive regions.
    Type: Application
    Filed: October 30, 2015
    Publication date: May 4, 2017
    Inventors: Chia-Hao PAO, Chang-Ta YANG, Feng-Ming CHANG, Ping-Wei WANG
  • Patent number: 9620509
    Abstract: An SRAM includes an SRAM array including a plurality of SRAM cells arranged in a matrix. Each of the SRAM cells includes six vertical field effect transistors. The SRAM array includes a plurality of groups of conductive regions extending in the column direction. Each of the plurality of groups of conductive regions includes a first to a fourth conductive region arranged in this order in the row direction, and the first to fourth conductive regions are separated by insulating regions from each other. The first, second and third conductive regions are coupled to sources of first conductive type VFETs, and the fourth conductive region is coupled to sources of second conductive type VFETs. The plurality of groups are arranged in the row direction such that the fourth conductive region of one group of conductive regions is adjacent to the first conductive region of adjacent one group of conductive regions.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: April 11, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chia-Hao Pao, Chang-Ta Yang, Feng-Ming Chang, Ping-Wei Wang
  • Publication number: 20160351574
    Abstract: Structures, devices and methods are provided for fabricating memory devices. A structure includes: a first conductive line disposed in a first conductive layer; a first landing pad disposed in the first conductive layer and associated with a second conductive line disposed in a second conductive layer; and a second landing pad disposed in the first conductive layer and associated with a third conductive line disposed in a third conductive layer. The second conductive layer and the third conductive layer are different from the first conductive layer.
    Type: Application
    Filed: August 10, 2016
    Publication date: December 1, 2016
    Inventors: FENG-MING CHANG, LIEN-JUNG HUNG, HUAI-YING HUANG, PING-WEI WANG
  • Publication number: 20160307882
    Abstract: A layout of a memory device is stored on a non-transitory computer-readable medium. The layout includes a plurality of active area regions, a lowermost interconnect layer, a plurality of memory cells, and a word line. The lowermost interconnect layer includes a first conductive layer over the plurality of active area regions, and a second conductive layer over the first conductive layer. The plurality of memory cells includes the plurality of active area regions. The word line is in the second conductive layer, and is coupled to the plurality of memory cells.
    Type: Application
    Filed: April 16, 2015
    Publication date: October 20, 2016
    Inventors: Jui-Lin CHEN, Feng-Ming CHANG, Huai-Ying HUANG, Ping-Wei WANG
  • Publication number: 20160275996
    Abstract: A circuit comprises a first voltage line, a second voltage line parallel to the first voltage line, and a bit line between the first voltage line and the second voltage line. The bit line is separated from the first voltage line by a minimum distance allowed by a design rule. The bit line is closer to the first voltage line than to the second voltage line. A first capacitance value between the bit line and the first voltage line is different than a second capacitance value between the bit line and the second voltage line.
    Type: Application
    Filed: March 16, 2015
    Publication date: September 22, 2016
    Inventors: Jui-Lin CHEN, Feng-Ming CHANG, Huai-Ying HUANG, Kian-Long LIM, Ping-Wei WANG
  • Patent number: 9431066
    Abstract: A circuit comprises a first voltage line, a second voltage line parallel to the first voltage line, and a bit line between the first voltage line and the second voltage line. The bit line is separated from the first voltage line by a minimum distance allowed by a design rule. The bit line is closer to the first voltage line than to the second voltage line. A first capacitance value between the bit line and the first voltage line is different than a second capacitance value between the bit line and the second voltage line.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: August 30, 2016
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jui-Lin Chen, Feng-Ming Chang, Huai-Ying Huang, Kian-Long Lim, Ping-Wei Wang
  • Patent number: 9425085
    Abstract: Structures, devices and methods are provided for fabricating memory devices. A structure includes: a first conductive line disposed in a first conductive layer; a first landing pad disposed in the first conductive layer and associated with a second conductive line disposed in a second conductive layer; and a second landing pad disposed in the first conductive layer and associated with a third conductive line disposed in a third conductive layer. The second conductive layer and the third conductive layer are different from the first conductive layer.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: August 23, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Feng-Ming Chang, Lien-Jung Hung, Huai-Ying Huang, Ping-Wei Wang
  • Patent number: 9362399
    Abstract: The present disclosure relates to methods for fabricating a field-effect transistor. The method includes performing a pocket implantation to a semiconductor substrate; thereafter forming a polysilicon layer on the semiconductor substrate; and patterning the polysilicon layer to form a polysilicon gate. The field-effect transistor (FET) includes a well of a first type dopant, formed in a semiconductor substrate; a metal gate disposed on the semiconductor substrate and overlying the well; a channel formed in the semiconductor substrate and underlying the metal gate; source and drain regions of a second type dopant opposite from the first type, the source and drain regions being formed in the semiconductor substrate and on opposite sides of the channel; and a pocket doping profile of the first type dopant and being defined in the well to form a continuous and uniform doping region from the source region to the drain region.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: June 7, 2016
    Assignee: Taiwn Semiconductor Manufacturing Company, Ltd.
    Inventors: Sheng Chiang Hung, Huai-Ying Huang, Ping-Wei Wang
  • Publication number: 20160148676
    Abstract: A method of using a static random access memory (SRAM) includes pre-discharging a data line to a reference voltage, activating a bit cell connected to the data line, wherein the bit cell comprises a p-type pass gate, and exchanging bit information between the data line and the activated bit cell.
    Type: Application
    Filed: February 2, 2016
    Publication date: May 26, 2016
    Inventors: Wei-Cheng WU, Wei Min CHAN, Yen-Huei CHEN, Hung-Jen LIAO, Ping-Wei WANG
  • Patent number: 9281056
    Abstract: A static random access memory (SRAM) including a bit cell, wherein the bit cell includes at least two p-type pass gates. The SRAM further includes a bit line connected to the bit cell, and a bit line bar connected to the bit cell. The SRAM further includes a pre-discharge circuit connected to the bit line and to the bit line bar, wherein the pre-discharge circuit includes at least two n-type transistors. The SRAM further includes cross-coupled transistors connected to the bit line and to the bit line bar, wherein each transistor of the cross-coupled transistors is an n-type transistor. The SRAM further includes a write multiplexer connected to the bit line and to the bit line bar, wherein the write multiplexer includes two p-type transistors.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: March 8, 2016
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Wei-Cheng Wu, Wei Min Chan, Yen-Huei Chen, Hung-Jen Liao, Ping-Wei Wang