Patents by Inventor Hsin-Li Cheng

Hsin-Li Cheng 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: 10693019
    Abstract: Various embodiments of the present application are directed towards a trench capacitor with a high capacitance density. In some embodiments, the trench capacitor overlies the substrate and fills a trench defined by the substrate. The trench capacitor comprises a lower capacitor electrode, a capacitor dielectric layer, and an upper capacitor electrode. The capacitor dielectric layer overlies the lower capacitor electrode and lines the trench. The upper capacitor electrode overlies the capacitor dielectric layer and lines the trench over the capacitor dielectric layer. The capacitor dielectric layer comprises a high ? dielectric material. By using a high ? material for the dielectric layer, the trench capacitor may have a high capacitance density suitable for use with high performance mobile devices.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: June 23, 2020
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hsin-Li Cheng, Jyun-Ying Lin, Jing-Hwang Yang, Ting-Chen Hsu, Felix Ying-Kit Tsui, Yen-Wen Chen
  • Publication number: 20200144389
    Abstract: In some embodiments, a semiconductor device is provided. The semiconductor device includes a source region and a drain region arranged in a semiconductor substrate, where the source region is laterally separated from the drain region. A gate stack is arranged over the semiconductor substrate and between the source region and the drain region. A cap layer is arranged over the gate stack, where a bottom surface of the cap layer contacts a top surface of the gate stack. Sidewall spacers are arranged along sides of the gate stack and the cap layer. A resist protective oxide (RPO) layer is disposed over the cap layer, where the RPO layer extends along sides of the sidewalls spacers to the semiconductor substrate. A contact etch stop layer is arranged over the RPO layer, the source region, and the drain region.
    Type: Application
    Filed: January 2, 2020
    Publication date: May 7, 2020
    Inventors: Hsin-Li Cheng, Liang-Tai Kuo, Yu-Chi Chang
  • Publication number: 20200066922
    Abstract: Various embodiments of the present application are directed towards a trench capacitor with a high capacitance density. In some embodiments, the trench capacitor overlies the substrate and fills a trench defined by the substrate. The trench capacitor comprises a lower capacitor electrode, a capacitor dielectric layer, and an upper capacitor electrode. The capacitor dielectric layer overlies the lower capacitor electrode and lines the trench. The upper capacitor electrode overlies the capacitor dielectric layer and lines the trench over the capacitor dielectric layer. The capacitor dielectric layer comprises a high ? dielectric material. By using a high ? material for the dielectric layer, the trench capacitor may have a high capacitance density suitable for use with high performance mobile devices.
    Type: Application
    Filed: August 27, 2018
    Publication date: February 27, 2020
    Inventors: Hsin-Li Cheng, Jyun-Ying Lin, Jing-Hwang Yang, Ting-Chen Hsu, Felix Ying-Kit Tsui, Yen-Wen Chen
  • Publication number: 20200035806
    Abstract: In some embodiments, a semiconductor device is provided. The semiconductor device includes a source region and a drain region arranged in a semiconductor substrate, where the source region is laterally separated from the drain region. A gate stack is arranged over the semiconductor substrate and between the source region and the drain region. A cap layer is arranged over the gate stack, where a bottom surface of the cap layer contacts a top surface of the gate stack. Sidewall spacers are arranged along sides of the gate stack and the cap layer. A resist protective oxide (RPO) layer is disposed over the cap layer, where the RPO layer extends along sides of the sidewalls spacers to the semiconductor substrate. A contact etch stop layer is arranged over the RPO layer, the source region, and the drain region.
    Type: Application
    Filed: August 30, 2018
    Publication date: January 30, 2020
    Inventors: Hsin-Li Cheng, Liang-Tai Kuo, Yu-Chi Chang
  • Publication number: 20200035802
    Abstract: A semiconductor structure is disclosed. The semiconductor structure includes: a substrate; an active area including a channel region sandwiched between two source/drain regions; an insulation region surrounding the active area from a top view; and a dielectric layer disposed over and in contact with an interface between the insulation region and the source/drain regions. A method of manufacturing the same is also disclosed.
    Type: Application
    Filed: March 29, 2019
    Publication date: January 30, 2020
    Inventors: HSIN-LI CHENG, YU-CHI CHANG
  • Patent number: 10529818
    Abstract: In some embodiments, a semiconductor device is provided. The semiconductor device includes a source region and a drain region arranged in a semiconductor substrate, where the source region is laterally separated from the drain region. A gate stack is arranged over the semiconductor substrate and between the source region and the drain region. A cap layer is arranged over the gate stack, where a bottom surface of the cap layer contacts a top surface of the gate stack. Sidewall spacers are arranged along sides of the gate stack and the cap layer. A resist protective oxide (RPO) layer is disposed over the cap layer, where the RPO layer extends along sides of the sidewalls spacers to the semiconductor substrate. A contact etch stop layer is arranged over the RPO layer, the source region, and the drain region.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: January 7, 2020
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hsin-Li Cheng, Liang-Tai Kuo, Yu-Chi Chang
  • Publication number: 20190245031
    Abstract: A capacitor structure and method of forming the capacitor structure is provided, including a providing a doped region of a substrate having a two-dimensional trench array with a plurality of segments defined therein. Each of the plurality of segments has an array of a plurality of recesses extending along the substrate, where the plurality of segments are rotationally symmetric about a center of the two-dimensional trench array. A first conducting layer is presented over the surface and a bottom and sidewalls of the recesses and is insulated from the substrate by a first dielectric layer. A second conducting layer is presented over the first conducting layer and is insulated by a second dielectric layer. First and second contacts respectively connect to an exposed top surface of the first conducting layer and second conducting layer. A third contact connects to the substrate within a local region to the capacitor structure.
    Type: Application
    Filed: April 18, 2019
    Publication date: August 8, 2019
    Inventors: Jyun-Ying Lin, Hsin-Li Cheng, Jing-Hwang Yang, Felix Ying-Kit Tsui, Chien-Li Kuo
  • Patent number: 10276651
    Abstract: A capacitor structure and method of forming the capacitor structure is provided, including a providing a doped region of a substrate having a two-dimensional trench array with a plurality of segments defined therein. Each of the plurality of segments has an array of a plurality of recesses extending along the substrate, where the plurality of segments are rotationally symmetric about a center of the two-dimensional trench array. A first conducting layer is presented over the surface and a bottom and sidewalls of the recesses and is insulated from the substrate by a first dielectric layer. A second conducting layer is presented over the first conducting layer and is insulated by a second dielectric layer. First and second contacts respectively connect to an exposed top surface of the first conducting layer and second conducting layer. A third contact connects to the substrate within a local region to the capacitor structure.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: April 30, 2019
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Jyun-Ying Lin, Hsin-Li Cheng, Jing-Hwang Yang, Felix Ying-Kit Tsui, Chien-Li Kuo
  • Publication number: 20190074349
    Abstract: A capacitor structure and method of forming the capacitor structure is provided, including a providing a doped region of a substrate having a two-dimensional trench array with a plurality of segments defined therein. Each of the plurality of segments has an array of a plurality of recesses extending along the substrate, where the plurality of segments are rotationally symmetric about a center of the two-dimensional trench array. A first conducting layer is presented over the surface and a bottom and sidewalls of the recesses and is insulated from the substrate by a first dielectric layer. A second conducting layer is presented over the first conducting layer and is insulated by a second dielectric layer. First and second contacts respectively connect to an exposed top surface of the first conducting layer and second conducting layer. A third contact connects to the substrate within a local region to the capacitor structure.
    Type: Application
    Filed: September 1, 2017
    Publication date: March 7, 2019
    Inventors: Jyun-Ying Lin, Hsin-Li Cheng, Jing-Hwang Yang, Felix Ying-Kit Tsui, Chien-Li Kuo
  • Patent number: 10162931
    Abstract: A method of forming a serpentine resistor includes: setting a total length of a schematic resistor to make the schematic resistor to have a first resistance according to a sheet resistance; forming, by using a processor, a serpentine layer corresponding to the schematic resistor, forming, by using the processor, a dummy layer over a portion of the serpentine layer to form a modified serpentine layer, measuring, by using the processor, a modified length of the modified serpentine layer, and comparing, by using the processor, the total length and the modified length to generate a comparison result.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: December 25, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company Ltd.
    Inventors: Wen-Shun Lo, Hsin-Li Cheng
  • Publication number: 20180285509
    Abstract: A method of forming a serpentine resistor includes: setting a total length of a schematic resistor to make the schematic resistor to have a first resistance according to a sheet resistance; forming, by using a processor, a serpentine layer corresponding to the schematic resistor, forming, by using the processor, a dummy layer over a portion of the serpentine layer to form a modified serpentine layer, measuring, by using the processor, a modified length of the modified serpentine layer, and comparing, by using the processor, the total length and the modified length to generate a comparison result.
    Type: Application
    Filed: March 28, 2017
    Publication date: October 4, 2018
    Inventors: WEN-SHUN LO, HSIN-LI CHENG
  • Publication number: 20180269110
    Abstract: A semiconductor device includes a semiconductor substrate, and a first transistor. The first transistor has a first gate on the semiconductor substrate, and a first lightly doped source/drain region within the semiconductor substrate to determine a first channel region beneath the first gate. A doping ratio determined as a concentration of the first lightly doped source/drain region divided by a concentration of the first channel region ranges from 1.0×1013 to 10×1017.
    Type: Application
    Filed: May 18, 2018
    Publication date: September 20, 2018
    Inventors: YU-CHI CHANG, HSIN-LI CHENG, FELIX YING-KIT TSUI
  • Patent number: 9978645
    Abstract: The present disclosure relates to a semiconductor device and method of manufacturing the same. The method of manufacturing the semiconductor device includes: providing a substrate, forming a patterned semiconductor layer on the substrate, forming a filter layer to cover the patterned semiconductor layer and forming a low concentration dopant buried layer within the semiconductor substrate, wherein one to forty percent of dopant are filtered out by the filter layer in the formation of the low concentration dopant buried layer.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: May 22, 2018
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yu-Chi Chang, Hsin-Li Cheng, Felix Ying-Kit Tsui
  • Patent number: 9601411
    Abstract: A semiconductor structure and a method for fabricating the same are provided. The semiconductor structure includes a wafer substrate having a top surface and a bottom surface, and a conductive pillar in the wafer substrate defined by a deep trench insulator through the top surface and the bottom surface of the wafer substrate. The method for fabricating the semiconductor structure includes following steps. A deep trench is formed from a top surface of a wafer substrate to define a conductive region in the wafer substrate. The conductive region is doped with a dopant. The deep trench is filled with an insulation material to form a deep trench insulator. And the wafer substrate is thinned from a bottom surface of the wafer substrate to expose the deep trench insulator and isolate the conductive region to form a conductive pillar.
    Type: Grant
    Filed: December 8, 2015
    Date of Patent: March 21, 2017
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Alexander Kalnitsky, Hsiao-Chin Tuan, Shih-Fen Huang, Hsin-Li Cheng, Felix Ying-Kit Tsui
  • Publication number: 20170033216
    Abstract: The present disclosure relates to a semiconductor device and method of manufacturing the same. The method of manufacturing the semiconductor device includes: providing a substrate, forming a patterned semiconductor layer on the substrate, forming a filter layer to cover the patterned semiconductor layer and forming a low concentration dopant buried layer within the semiconductor substrate, wherein one to forty percent of dopant are filtered out by the filter layer in the formation of the low concentration dopant buried layer.
    Type: Application
    Filed: July 31, 2015
    Publication date: February 2, 2017
    Inventors: YU-CHI CHANG, HSIN-LI CHENG, FELIX YING-KIT TSUI
  • Publication number: 20160104660
    Abstract: A semiconductor structure and a method for fabricating the same are provided. The semiconductor structure includes a wafer substrate having a top surface and a bottom surface, and a conductive pillar in the wafer substrate defined by a deep trench insulator through the top surface and the bottom surface of the wafer substrate. The method for fabricating the semiconductor structure includes following steps. A deep trench is formed from a top surface of a wafer substrate to define a conductive region in the wafer substrate. The conductive region is doped with a dopant. The deep trench is filled with an insulation material to form a deep trench insulator. And the wafer substrate is thinned from a bottom surface of the wafer substrate to expose the deep trench insulator and isolate the conductive region to form a conductive pillar.
    Type: Application
    Filed: December 8, 2015
    Publication date: April 14, 2016
    Inventors: Alexander KALNITSKY, Hsiao-Chin TUAN, Shih-Fen HUANG, Hsin-Li CHENG, Felix Ying-Kit TSUI
  • Patent number: 9269758
    Abstract: The present disclosure involves a method. The method includes providing a substrate including a top surface. The method also includes forming a gate over the top surface of the substrate. The formed gate has a first height measured from the top surface of the substrate. The method also includes etching the gate to reduce the gate to a second height. This second height is substantially less than the first height. The present disclosure also involves a semiconductor device. The semiconductor device includes a substrate. The substrate includes a top surface. The semiconductor device also includes a first gate formed over the top surface of the substrate. The first gate has a first height. The semiconductor device also includes a second gate formed over the top surface of the substrate. The second gate has a second height. The first height is substantially less than the second height.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: February 23, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Jing-Hwang Yang, Chun-Heng Liao, Hsin-Li Cheng, Liang-Kai Han
  • Patent number: 9236326
    Abstract: A semiconductor structure and a method for fabricating the same are provided. The semiconductor structure includes a wafer substrate having a top surface and a bottom surface, and a conductive pillar in the wafer substrate defined by a deep trench insulator through the top surface and the bottom surface of the wafer substrate. The method for fabricating the semiconductor structure includes following steps. A deep trench is formed from a top surface of a wafer substrate to define a conductive region in the wafer substrate. The conductive region is doped with a dopant. The deep trench is filled with an insulation material to form a deep trench insulator. And the wafer substrate is thinned from a bottom surface of the wafer substrate to expose the deep trench insulator and isolate the conductive region to form a conductive pillar.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: January 12, 2016
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Alexander Kalnitsky, Hsiao-Chin Tuan, Shih-Fen Huang, Hsin-Li Cheng, Felix Ying-Kit Tsui
  • Patent number: 9178080
    Abstract: Some embodiments relate to high density capacitor structures. Some embodiments include a semiconductor substrate having an conductive region with a plurality of trenches formed therein. A first dielectric layer is formed over respective bottom portions and respective sidewall portions of the respective trenches. A first conductive layer is formed in the trench and over the first dielectric layer, wherein the first dielectric layer acts as a first capacitor dielectric between the conductive region and the first conductive layer. A second dielectric layer is formed in the trench and over the first conductive layer. A second conductive layer is formed in the trench and over the second dielectric layer, wherein the second dielectric layer acts as a second capacitor dielectric between the first conductive layer and the second conductive layer. Other embodiments are also disclosed.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: November 3, 2015
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Alex Kalnitsky, Felix Ying-Kit Tsui, Hsin-Li Cheng, Jing-Hwang Yang, Jyun-Ying Lin
  • Publication number: 20150311140
    Abstract: A semiconductor structure and a method for fabricating the same are provided. The semiconductor structure includes a wafer substrate having a top surface and a bottom surface, and a conductive pillar in the wafer substrate defined by a deep trench insulator through the top surface and the bottom surface of the wafer substrate. The method for fabricating the semiconductor structure includes following steps. A deep trench is formed from a top surface of a wafer substrate to define a conductive region in the wafer substrate. The conductive region is doped with a dopant. The deep trench is filled with an insulation material to form a deep trench insulator. And the wafer substrate is thinned from a bottom surface of the wafer substrate to expose the deep trench insulator and isolate the conductive region to form a conductive pillar.
    Type: Application
    Filed: April 25, 2014
    Publication date: October 29, 2015
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Alexander KALNITSKY, Hsiao-Chin TUAN, Shih-Fen HUANG, Hsin-Li CHENG, Felix Ying-Kit TSUI