Patents by Inventor Chih-Hsin Ko

Chih-Hsin Ko 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: 10879065
    Abstract: A method of forming an integrated circuit structure includes forming an insulation layer over at least a portion of a substrate; forming a plurality of semiconductor pillars over a top surface of the insulation layer. The plurality of semiconductor pillars is horizontally spaced apart by portions of the insulation layer. The plurality of semiconductor pillars is allocated in a periodic pattern. The method further includes epitaxially growing a III-V compound semiconductor film from top surfaces and sidewalls of the semiconductor pillars.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: December 29, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chih-Hsin Ko, Cheng-Hsien Wu, Clement Hsingjen Wann
  • Patent number: 10854708
    Abstract: A capacitor includes a first graphene structure having a first plurality of graphene layers. The capacitor further includes a dielectric layer over the first graphene structure. The capacitor further includes a second graphene structure over the dielectric layer, wherein the second graphene structure has a second plurality of graphene layers.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: December 1, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chewn-Pu Jou, Chih-Hsin Ko, Po-Wen Chiu, Chao-Ching Cheng, Chun-Chieh Lu, Chi-Feng Huang, Huan-Neng Chen, Fu-Lung Hsueh, Clement Hsingjen Wann
  • Publication number: 20200365736
    Abstract: A field effect transistor includes a substrate comprising a fin structure. The field effect transistor further includes an isolation structure in the substrate. The field effect transistor further includes a source/drain (S/D) recess cavity below a top surface of the substrate. The S/D recess cavity is between the fin structure and the isolation structure. The field effect transistor further includes a strained structure in the S/D recess cavity. The strain structure includes a lower portion. The lower portion includes a first strained layer, wherein the first strained layer is in direct contact with the isolation structure, and a dielectric layer, wherein the dielectric layer is in direct contact with the substrate, and the first strained layer is in direct contact with the dielectric layer. The strained structure further includes an upper portion comprising a second strained layer overlying the first strained layer.
    Type: Application
    Filed: August 5, 2020
    Publication date: November 19, 2020
    Inventors: Tsung-Lin Lee, Chih-Hao Chang, Chih-Hsin Ko, Feng Yuan, Jeff J. Xu
  • Publication number: 20200343339
    Abstract: A semiconductor device including a FET includes an isolation insulating layer disposed in a trench of the substrate, a gate dielectric layer disposed over a channel region of the substrate, a gate electrode disposed over the gate dielectric layer, a source and a drain disposed adjacent to the channel region, and an embedded insulating layer disposed below the source, the drain and the gate electrode and both ends of the embedded insulating layer are connected to the isolation insulating layer.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 29, 2020
    Inventors: Chun Hsiung TSAI, Chih-Hsin KO, Clement Hsingjen WANN, Ya-Yun CHENG
  • Publication number: 20200328307
    Abstract: An embodiment is a structure comprising a substrate, a high energy bandgap material, and a high carrier mobility material. The substrate comprises a first isolation region and a second isolation region. Each of first and second isolation regions extends below a first surface of the substrate between the first and second isolation regions. The high energy bandgap material is over the first surface of the substrate and is disposed between the first and second isolation regions. The high carrier mobility material is over the high energy bandgap material. The high carrier mobility material extends higher than respective top surfaces of the first and second isolation regions to form a fin.
    Type: Application
    Filed: June 26, 2020
    Publication date: October 15, 2020
    Inventors: Cheng-Hsien Wu, Chih-Hsin Ko, Clement Hsingjen Wann
  • Patent number: 10804163
    Abstract: A method of forming a semiconductor structure includes: providing a substrate; forming a first pair of source/drain regions in the substrate; disposing an interlayer dielectric layer over the substrate, the interlayer dielectric layer having a first trench between the first pair of source/drain regions; depositing a dielectric layer in the first trench; depositing a barrier layer over the dielectric layer; removing the barrier layer from the first trench to expose the dielectric layer; depositing a work function layer over the dielectric layer in the first trench; and depositing a conductive layer over the work function layer in the first trench.
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: October 13, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yi-Jing Lee, Ya-Yun Cheng, Hau-Yu Lin, I-Sheng Chen, Chia-Ming Hsu, Chih-Hsin Ko, Clement Hsingjen Wann
  • Patent number: 10797162
    Abstract: The present disclosure provides a FinFET device. The FinFET device comprises a semiconductor substrate of a first semiconductor material; a fin structure of the first semiconductor material overlying the semiconductor substrate, wherein the fin structure has a top surface of a first crystal plane orientation; a diamond-like shape structure of a second semiconductor material disposed over the top surface of the fin structure, wherein the diamond-like shape structure has at least one surface of a second crystal plane orientation; a gate structure disposed over the diamond-like shape structure, wherein the gate structure separates a source region and a drain region; and a channel region defined in the diamond-like shape structure between the source and drain regions.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: October 6, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: You-Ru Lin, Cheng-Hsien Wu, Chih-Hsin Ko, Clement Hsingjen Wann
  • Patent number: 10770588
    Abstract: A device with improved device performance, and method of manufacturing the same, are disclosed. An exemplary device includes a group III-V compound semiconductor substrate that includes a surface having a (110) crystallographic orientation, and a gate stack disposed over the group III-V compound semiconductor substrate. The gate stack includes a high-k dielectric layer disposed on the surface having the (110) crystallographic orientation, and a gate electrode disposed over the high-k dielectric layer.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: September 8, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD
    Inventors: Chao-Ching Cheng, Chih-Hsin Ko, Hsingjen Wann
  • Publication number: 20200258784
    Abstract: A fin structure is on a substrate. The fin structure includes an epitaxial region having an upper surface and an under-surface. A contact structure on the epitaxial region includes an upper contact portion and a lower contact portion. The upper contact portion includes a metal layer over the upper surface and a barrier layer over the metal layer. The lower contact portion includes a metal-insulator-semiconductor (MIS) contact along the under-surface. The MIS contact includes a dielectric layer on the under-surface and the barrier layer on the dielectric layer.
    Type: Application
    Filed: May 1, 2020
    Publication date: August 13, 2020
    Inventors: Sung-Li Wang, Neng-Kuo Chen, Ding-Kang Shih, Meng-Chun Chang, Yi-An Lin, Gin-Chen Huang, Chen-Feng Hsu, Hau-Yu Lin, Chih-Hsin Ko, Sey-Ping Sun, Clement Hsingjen Wann
  • Patent number: 10727351
    Abstract: An embodiment is a structure comprising a substrate, a high energy bandgap material, and a high carrier mobility material. The substrate comprises a first isolation region and a second isolation region. Each of first and second isolation regions extends below a first surface of the substrate between the first and second isolation regions. The high energy bandgap material is over the first surface of the substrate and is disposed between the first and second isolation regions. The high carrier mobility material is over the high energy bandgap material. The high carrier mobility material extends higher than respective top surfaces of the first and second isolation regions to form a fin.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: July 28, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng-Hsien Wu, Chih-Hsin Ko, Clement Hsingjen Wann
  • Patent number: 10665674
    Abstract: A method for manufacturing a semiconductor device is described that comprises providing a substrate, forming a plurality of fins having a first semiconductor material, replacing a first portion of at least one of the fins with a second semiconductor material, and distributing the second semiconductor material from the first portion to a second portion of the at least one of the fins.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: May 26, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company
    Inventors: Yi-Jing Lee, Cheng-Hsien Wu, Chih-Hsin Ko, Clement Hsingjen Wann
  • Patent number: 10651091
    Abstract: A fin structure is on a substrate. The fin structure includes an epitaxial region having an upper surface and an under-surface. A contact structure on the epitaxial region includes an upper contact portion and a lower contact portion. The upper contact portion includes a metal layer over the upper surface and a barrier layer over the metal layer. The lower contact portion includes a metal-insulator-semiconductor (MIS) contact along the under-surface. The MIS contact includes a dielectric layer on the under-surface and the barrier layer on the dielectric layer.
    Type: Grant
    Filed: April 22, 2019
    Date of Patent: May 12, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Sung-Li Wang, Neng-Kuo Chen, Ding-Kang Shih, Meng-Chun Chang, Yi-An Lin, Gin-Chen Huang, Chen-Feng Hsu, Hau-Yu Lin, Chih-Hsin Ko, Sey-Ping Sun, Clement Hsingjen Wann
  • Publication number: 20200134122
    Abstract: A method of operating an IC manufacturing system includes determining whether an n-type active region of a cell or a p-type active region of the cell is a first active region based on a timing critical path of the cell, positioning the first active region along a cell height direction in an IC layout diagram of a cell, the first active region having a first total number of fins extending in a direction perpendicular to the cell height direction. The method also includes positioning a second active region in the cell along the cell height direction, the second active region being the n-type or p-type opposite the n-type or p-type of the first active region and having a second total number of fins less than the first total number of fins and extending in the direction, and storing the IC layout diagram of the cell in a cell library.
    Type: Application
    Filed: October 11, 2019
    Publication date: April 30, 2020
    Inventors: Po-Hsiang HUANG, Sheng-Hsiung CHEN, Chih-Hsin KO, Fong-Yuan CHANG, Clement Hsingjen WANN, Li-Chun TIEN, Chia-Ming HSU
  • Publication number: 20200135589
    Abstract: A method of forming a semiconductor structure includes: providing a substrate; forming a first pair of source/drain regions in the substrate; disposing an interlayer dielectric layer over the substrate, the interlayer dielectric layer having a first trench between the first pair of source/drain regions; depositing a dielectric layer in the first trench; depositing a barrier layer over the dielectric layer; removing the barrier layer from the first trench to expose the dielectric layer; depositing a work function layer over the dielectric layer in the first trench; and depositing a conductive layer over the work function layer in the first trench.
    Type: Application
    Filed: April 1, 2019
    Publication date: April 30, 2020
    Inventors: YI-JING LEE, YA-YUN CHENG, HAU-YU LIN, I-SHENG CHEN, CHIA-MING HSU, CHIH-HSIN KO, CLEMENT HSINGJEN WANN
  • Publication number: 20200119013
    Abstract: An embodiment complimentary metal-oxide-semiconductor (CMOS) device and an embodiment method of forming the same are provided. The embodiment CMOS device includes an n-type metal-oxide-semiconductor (NMOS) having a titanium-containing layer interposed between a first metal contact and an NMOS source and a second metal contact and an NMOS drain and a p-type metal-oxide-semiconductor (PMOS) having a PMOS source and a PMOS drain, the PMOS source having a first titanium-containing region facing a third metal contact, the PMOS drain including a second titanium-containing region facing a fourth metal contact.
    Type: Application
    Filed: December 11, 2019
    Publication date: April 16, 2020
    Inventors: Clement Hsingjen Wann, Chih-Hsin Ko, Cheng-Hsien Wu, Ding-Kang Shih, Hau-Yu Lin
  • Publication number: 20200119196
    Abstract: A field effect transistor includes a substrate comprising a fin structure. The field effect transistor further includes an isolation structure in the substrate. The field effect transistor further includes a source/drain (S/D) recess cavity below a top surface of the substrate. The S/D recess cavity is between the fin structure and the isolation structure. The field effect transistor further includes a strained structure in the S/D recess cavity. The strain structure includes a lower portion. The lower portion includes a first strained layer, wherein the first strained layer is in direct contact with the isolation structure, and a dielectric layer, wherein the dielectric layer is in direct contact with the substrate, and the first strained layer is in direct contact with the dielectric layer. The strained structure further includes an upper portion comprising a second strained layer overlying the first strained layer.
    Type: Application
    Filed: December 12, 2019
    Publication date: April 16, 2020
    Inventors: Tsung-Lin Lee, Chih-Hao Chang, Chih-Hsin Ko, Feng Yuan, Jeff J. Xu
  • Patent number: 10622261
    Abstract: A semiconductor device includes a PMOS FinFET and an NMOS FinFET. The PMOS FinFET includes a substrate, a silicon germanium layer disposed over the substrate, a silicon layer disposed over the silicon germanium layer, and a PMOS fin disposed over the silicon layer. The PMOS fin contains silicon germanium. The NMOS FinFET includes the substrate, a a silicon germanium oxide layer disposed over the substrate, a silicon oxide layer disposed over the silicon germanium oxide layer, and an NMOS fin disposed over the silicon oxide layer. The NMOS fin contains silicon. The silicon germanium oxide layer and the silicon oxide layer collectively define a concave recess in a horizontal direction. The concave recess is partially disposed below the NMOS fin.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: April 14, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Yi-Jing Lee, Cheng-Hsien Wu, Chih-Hsin Ko, Clement Hsingjen Wann
  • Publication number: 20200083318
    Abstract: A capacitor includes a first graphene structure having a first plurality of graphene layers. The capacitor further includes a dielectric layer over the first graphene structure. The capacitor further includes a second graphene structure over the dielectric layer, wherein the second graphene structure has a second plurality of graphene layers.
    Type: Application
    Filed: November 13, 2019
    Publication date: March 12, 2020
    Inventors: Chewn-Pu Jou, Chih-Hsin Ko, Po-Wen Chiu, Chao-Ching Cheng, Chun-Chieh Lu, Chi-Feng Huang, Huan-Neng Chen, Fu-Lung Hsueh, Clement Hsingjen Wann
  • Publication number: 20200075756
    Abstract: A device with improved device performance, and method of manufacturing the same, are disclosed. An exemplary device includes a group III-V compound semiconductor substrate that includes a surface having a (110) crystallographic orientation, and a gate stack disposed over the group III-V compound semiconductor substrate. The gate stack includes a high-k dielectric layer disposed on the surface having the (110) crystallographic orientation, and a gate electrode disposed over the high-k dielectric layer.
    Type: Application
    Filed: November 8, 2019
    Publication date: March 5, 2020
    Inventors: Chao-Ching Cheng, Chih-Hsin Ko, Hsingien Wann
  • Publication number: 20200058765
    Abstract: Devices are described herein that include an epitaxial layer, a cap layer above the epitaxial layer, a gate layer adjacent to the epitaxial layer on which an etching process is performed, a trench above the cap layer, and a source/drain portion includes the epitaxial layer.
    Type: Application
    Filed: October 28, 2019
    Publication date: February 20, 2020
    Inventors: Ching-Feng Fu, Yu-Chan Yen, Chih-Hsin Ko, Chun-Hung Lee, Huan-Just Lin, Hui-Cheng Chang