Patents by Inventor Liang Pan

Liang Pan 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: 11239083
    Abstract: A method includes forming a first high-k dielectric layer over a first semiconductor region, forming a second high-k dielectric layer over a second semiconductor region, forming a first metal layer comprising a first portion over the first high-k dielectric layer and a second portion over the second high-k dielectric layer, forming an etching mask over the second portion of the first metal layer, and etching the first portion of the first metal layer. The etching mask protects the second portion of the first metal layer. The etching mask is ashed using meta stable plasma. A second metal layer is then formed over the first high-k dielectric layer.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: February 1, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shao-Jyun Wu, Sheng-Liang Pan, Huan-Just Lin
  • Publication number: 20210358811
    Abstract: An improved work function layer and a method of forming the same are disclosed. In an embodiment, the method includes forming a semiconductor fin extending from a substrate; depositing a dielectric layer over the semiconductor fin; depositing a first work function layer over the dielectric layer; and exposing the first work function layer to a metastable plasma of a first reaction gas, a metastable plasma of a generation gas, and a metastable plasma of a second reaction gas, the first reaction gas being different from the second reaction gas.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 18, 2021
    Inventors: Shao-Jyun Wu, Hung-Chi Wu, Chia-Ching Lee, Pin-Hsuan Yeh, Hung-Chin Chung, Hsien-Ming Lee, Chien-Hao Chen, Sheng-Liang Pan, Huan-Just Lin
  • Publication number: 20210359104
    Abstract: A method for manufacturing a semiconductor device includes forming a first dielectric layer over a semiconductor fin. The method includes forming a second dielectric layer over the first dielectric layer. The method includes exposing a portion of the first dielectric layer. The method includes oxidizing a surface of the second dielectric layer while limiting oxidation on the exposed portion of the first dielectric layer.
    Type: Application
    Filed: March 9, 2021
    Publication date: November 18, 2021
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Sheng-Liang Pan, Yungtzu Chen, Chung-Chieh Lee, Yung-Chang Hsu, Chia-Yang Hung, Po-Chuan Wang, Guan-Xuan Chen, Huan-Just Lin
  • Patent number: 11121025
    Abstract: A method of manufacturing a semiconductor device includes etching a via through a dielectric layer and an etch stop layer (ESL) to a source/drain contact, forming a recess in the top surface of the source/drain contact such that the top surface of the source/drain contact is concave, and forming an oxide liner on the sidewalls of the via. The oxide liner traps impurities left behind by the etching of the via through the dielectric layer and the ESL, wherein the etching, the forming the recess, and the forming the oxide liner are performed in a first chamber. The method further includes performing a pre-cleaning that removes the oxide liner and depositing a metal in the via.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: September 14, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yun-Chang Hsu, Sheng-Liang Pan, Huan-Just Lin, Jack Kuo-Ping Kuo
  • Patent number: 11081396
    Abstract: An improved work function layer and a method of forming the same are disclosed. In an embodiment, the method includes forming a semiconductor fin extending from a substrate; depositing a dielectric layer over the semiconductor fin; depositing a first work function layer over the dielectric layer; and exposing the first work function layer to a metastable plasma of a first reaction gas, a metastable plasma of a generation gas, and a metastable plasma of a second reaction gas, the first reaction gas being different from the second reaction gas.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: August 3, 2021
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shao-Jyun Wu, Hung-Chi Wu, Chia-Ching Lee, Pin-Hsuan Yeh, Hung-Chin Chung, Hsien-Ming Lee, Chien-Hao Chen, Sheng-Liang Pan, Huan-Just Lin
  • Patent number: 11065506
    Abstract: A muscle training system configured to train at least one target muscle of a human body includes a muscle training equipment and a controller. The muscle training equipment includes at least one resistance adjustment assembly and at least one vibration detector. The at least one resistance adjustment assembly is configured to provide a resistance force as a training load. The at least one vibration detector is configured to be disposed on the at least one target muscle and produces at least one muscle vibration signal based on an activity of the at least one target muscle training under the resistance force. The controller is configured to control the at least one resistance adjustment assembly to adjust the resistance force according to the at least one muscle vibration signal.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: July 20, 2021
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Tsung-Chi Lin, Jyun-Liang Pan, Kai-Jen Pai, Zhong-We Liao, Yen-Chung Chang, Szu-Han Tzao, Ching Yi Liu
  • Publication number: 20210104443
    Abstract: A method of forming a semiconductor device includes forming a first dummy gate structure and a second dummy gate structure over a fin; forming a first dielectric layer around the first dummy gate structure and around the second dummy gate structure; removing the first dummy gate structure and the second dummy gate structure to form a first recess and a second recess in the first dielectric layer, respectively; forming a gate dielectric layer in the first recess and the second recess; forming a first work function layer over the gate dielectric layer in the first and the second recesses; removing the first work function layer from the first recess; converting a surface layer of the first work function layer in the second recess into an oxide; and forming a second work function layer in the first recess over the gate dielectric layer and in the second recess over the oxide.
    Type: Application
    Filed: December 18, 2020
    Publication date: April 8, 2021
    Inventors: Shao-Jyun Wu, Sheng-Liang Pan
  • Publication number: 20210082768
    Abstract: An improved work function layer and a method of forming the same are disclosed. In an embodiment, the method includes forming a semiconductor fin extending from a substrate; depositing a dielectric layer over the semiconductor fin; depositing a first work function layer over the dielectric layer; and exposing the first work function layer to a metastable plasma of a first reaction gas, a metastable plasma of a generation gas, and a metastable plasma of a second reaction gas, the first reaction gas being different from the second reaction gas.
    Type: Application
    Filed: September 12, 2019
    Publication date: March 18, 2021
    Inventors: Shao-Jyun Wu, Hung-Chi Wu, Chia-Ching Lee, Pin-Hsuan Yeh, Hung-Chin Chung, Hsien-Ming Lee, Chien-Hao Chen, Sheng-Liang Pan, Huan-Just Lin
  • Patent number: 10872826
    Abstract: A method of forming a semiconductor device includes forming a first dummy gate structure and a second dummy gate structure over a fin; forming a first dielectric layer around the first dummy gate structure and around the second dummy gate structure; removing the first dummy gate structure and the second dummy gate structure to form a first recess and a second recess in the first dielectric layer, respectively; forming a gate dielectric layer in the first recess and the second recess; forming a first work function layer over the gate dielectric layer in the first recess and in the second recess; removing the first work function layer from the first recess; converting a surface layer of the first work function layer in the second recess into an oxide; and forming a second work function layer in the first recess over the gate dielectric layer and in the second recess over the oxide.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: December 22, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Shao-Jyun Wu, Sheng-Liang Pan
  • Publication number: 20200388504
    Abstract: A semiconductor structure includes a metal gate structure including a gate dielectric layer and a gate electrode, the gate electrode including at least a first metal; a conductive layer formed above the gate electrode, the conductive layer including an alloy layer, the alloy layer including at least the first metal and a second metal different from the first metal, the alloy layer extending from a position below a top surface of the metal gate structure to a position above the top surface of the metal gate structure; and a contact feature disposed above the metal gate structure, wherein the contact feature is in direct contact with a top surface of the conductive layer.
    Type: Application
    Filed: August 24, 2020
    Publication date: December 10, 2020
    Inventors: Pang-Sheng Chang, Yu-Feng Yin, Chao-Hsun Wang, Kuo-Yi Chao, Fu-Kai Yang, Mei-Yun Wang, Feng-Yu Chang, Chen-Yuan Kao, Chia-Yang Hung, Chia-Sheng Chang, Shu-Huei Suen, Jyu-Horng Shieh, Sheng-Liang Pan, Jack Kuo-Ping Kuo, Shao-Jyun Wu
  • Patent number: 10861668
    Abstract: A system for generating an electron beam array, comprising a light source, a first substrate having a plurality of plasmonic lenses mounted thereon, the plasmonic lenses configured to received light from the light source and produce an electron emission, and a plurality of electrostatic microlenses configured to focus the electron emissions into a beam for focusing on a wafer substrate. A light source modulator and digital micro mirror may be included which captures light from the light source and projects light beamlets on the plasmonic lenses.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: December 8, 2020
    Assignee: Purdue Research Foundation
    Inventors: Liang Pan, Xianfan Xu
  • Publication number: 20200381298
    Abstract: A butted contact structure is provided. In one embodiment, a structure includes a first transistor on a substrate, the first transistor comprising a first source or drain region, a first gate, and a first gate spacer being disposed between the first gate and the first source or drain region. The structure includes a second transistor on the substrate, the second transistor comprising a second source or drain region, a second gate, and a second gate spacer being disposed between the second gate and the second source or drain region. The structure includes a butted contact disposed above and extending from the first source or drain region to at least one of the first or second gate, a portion of the first gate spacer extending a distance into the butted contact to separate a first bottom surface of the butted contact from a second bottom surface of the butted contact.
    Type: Application
    Filed: August 17, 2020
    Publication date: December 3, 2020
    Inventors: Leo Hsu, Sheng-Liang Pan
  • Publication number: 20200312734
    Abstract: A semiconductor package with an internal heat sink has a substrate, a chip and an encapsulation. The substrate has an embedded heat sink, a first wiring surface and a second wiring surface. The embedded heat sink has a first surface and a second surface. The second wiring surface of the substrate and the second surface of the heat sink are coplanar. The chip has an active surface and a rear surface mounted on the first surface of heat sink through a thermal interface material layer and the active surface is electrically connected to the first wiring surface of the substrate. The encapsulation is formed on the first wiring surface of the substrate and the encapsulation encapsulates the chip. The heat generated from the chip is quickly transmitted to the heat sink and dissipated to air through the heat sink. Therefore, a heat dissipation performance of the semiconductor package is increased.
    Type: Application
    Filed: March 25, 2019
    Publication date: October 1, 2020
    Applicant: Powertech Technology Inc.
    Inventors: Ting-Feng Su, Chi-Liang Pan
  • Publication number: 20200294805
    Abstract: A method includes forming a first high-k dielectric layer over a first semiconductor region, forming a second high-k dielectric layer over a second semiconductor region, forming a first metal layer comprising a first portion over the first high-k dielectric layer and a second portion over the second high-k dielectric layer, forming an etching mask over the second portion of the first metal layer, and etching the first portion of the first metal layer. The etching mask protects the second portion of the first metal layer. The etching mask is ashed using meta stable plasma. A second metal layer is then formed over the first high-k dielectric layer.
    Type: Application
    Filed: January 13, 2020
    Publication date: September 17, 2020
    Inventors: Shao-Jyun Wu, Sheng-Liang Pan, Huan-Just Lin
  • Patent number: 10755978
    Abstract: A butted contact structure is provided. In one embodiment, a structure includes a first transistor on a substrate, the first transistor comprising a first source or drain region, a first gate, and a first gate spacer being disposed between the first gate and the first source or drain region. The structure includes a second transistor on the substrate, the second transistor comprising a second source or drain region, a second gate, and a second gate spacer being disposed between the second gate and the second source or drain region. The structure includes a butted contact disposed above and extending from the first source or drain region to at least one of the first or second gate, a portion of the first gate spacer extending a distance into the butted contact to separate a first bottom surface of the butted contact from a second bottom surface of the butted contact.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: August 25, 2020
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Leo Hsu, Sheng-Liang Pan
  • Patent number: 10755945
    Abstract: A method includes forming a metal gate structure, wherein the metal gate structure includes a gate dielectric layer and a gate electrode; performing a surface treatment to a top surface of the metal gate structure, wherein the surface treatment converts a top portion of the gate electrode to an oxidation layer; forming a conductive layer above the gate electrode, wherein the forming of the conductive layer includes substituting oxygen in the oxidation layer with a metallic element; and forming a contact feature above the metal gate structure, wherein the contact feature is in direct contact with the conductive layer.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: August 25, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Pang-Sheng Chang, Yu-Feng Yin, Chao-Hsun Wang, Kuo-Yi Chao, Fu-Kai Yang, Mei-Yun Wang, Feng-Yu Chang, Chen-Yuan Kao, Chia-Yang Hung, Chia-Sheng Chang, Shu-Huei Suen, Jyu-Horng Shieh, Sheng-Liang Pan, Jack Kuo-Ping Kuo, Shao-Jyun Wu
  • Publication number: 20200135588
    Abstract: A method of forming a semiconductor device includes forming a first dummy gate structure and a second dummy gate structure over a fin; forming a first dielectric layer around the first dummy gate structure and around the second dummy gate structure; removing the first dummy gate structure and the second dummy gate structure to form a first recess and a second recess in the first dielectric layer, respectively; forming a gate dielectric layer in the first recess and the second recess; forming a first work function layer over the gate dielectric layer in the first recess and in the second recess; removing the first work function layer from the first recess; converting a surface layer of the first work function layer in the second recess into an oxide; and forming a second work function layer in the first recess over the gate dielectric layer and in the second recess over the oxide.
    Type: Application
    Filed: January 18, 2019
    Publication date: April 30, 2020
    Inventors: Shao-Jyun Wu, Sheng-Liang Pan
  • Publication number: 20200105586
    Abstract: A method of manufacturing a semiconductor device includes etching a via through a dielectric layer and an etch stop layer (ESL) to a source/drain contact, forming a recess in the top surface of the source/drain contact such that the top surface of the source/drain contact is concave, and forming an oxide liner on the sidewalls of the via. The oxide liner traps impurities left behind by the etching of the via through the dielectric layer and the ESL, wherein the etching, the forming the recess, and the forming the oxide liner are performed in a first chamber. The method further includes performing a pre-cleaning that removes the oxide layer and depositing a metal in the via.
    Type: Application
    Filed: September 12, 2019
    Publication date: April 2, 2020
    Inventors: Yun-Chang Hsu, Sheng-Liang Pan, Huan-Just Lin, Jack Kuo-Ping Kuo
  • Publication number: 20200098588
    Abstract: An ashing process and device forms radicals of an ashing gas through a secondary reaction. A plasma is generated from a first gas, which is diffused through a first gas distribution plate (GDP). The plasma is diffused through a second GDP and a second gas is supplied below the second GDP. The first gas reacts with the second gas to energize the second gas. The energized second gas is used in ashing a resist layer from a substrate.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 26, 2020
    Inventors: Jack Kuo-Ping Kuo, Sheng-Liang Pan, Chia-Yang Hung, Jyu-Horng Shieh, Shu-Huei Suen, Syun-Ming Jang
  • Publication number: 20200090999
    Abstract: A butted contact structure is provided. In one embodiment, a structure includes a first transistor on a substrate, the first transistor comprising a first source or drain region, a first gate, and a first gate spacer being disposed between the first gate and the first source or drain region. The structure includes a second transistor on the substrate, the second transistor comprising a second source or drain region, a second gate, and a second gate spacer being disposed between the second gate and the second source or drain region. The structure includes a butted contact disposed above and extending from the first source or drain region to at least one of the first or second gate, a portion of the first gate spacer extending a distance into the butted contact to separate a first bottom surface of the butted contact from a second bottom surface of the butted contact.
    Type: Application
    Filed: November 22, 2019
    Publication date: March 19, 2020
    Inventors: Leo Hsu, Sheng-Liang Pan