Patents by Inventor Shih-Hao Lo
Shih-Hao Lo 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).
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Publication number: 20240290859Abstract: Various embodiments of the present disclosure are directed towards an integrated chip including a gate dielectric structure on a semiconductor substrate. A gate electrode structure is on the gate dielectric structure. The gate electrode structure includes a lower conductive structure and a gate body structure. The gate body structure includes an upper segment over a top surface of the lower conductive structure and a lower segment disposed between opposing inner sidewalls of the lower conductive structure.Type: ApplicationFiled: May 6, 2024Publication date: August 29, 2024Inventors: Wei Cheng Wu, Alexander Kalnitsky, Shih-Hao Lo, Hung-Pin Ko
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Patent number: 12009402Abstract: Various embodiments of the present disclosure are directed towards a method for forming a semiconductor structure. The method includes forming a gate dielectric structure on a substrate. A sidewall spacer is formed around the gate dielectric structure. A metal structure is formed over the gate dielectric structure. A gate body layer is formed over the metal structure. A lower portion of the gate body layer is cupped by the metal structure. A top surface of the gate body layer is vertically offset from a top surface of the metal structure. A conductive via is formed over the metal structure. The conductive via is disposed between outer sidewalls of the gate body layer.Type: GrantFiled: May 3, 2022Date of Patent: June 11, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei Cheng Wu, Alexander Kalnitsky, Shih-Hao Lo, Hung-Pin Ko
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Publication number: 20230387304Abstract: A device including a gate stack over a semiconductor substrate having a pair of spacers abutting sidewalls of the gate stack. A recess is formed in the semiconductor substrate adjacent the gate stack. The recess has a first profile having substantially vertical sidewalls and a second profile contiguous with and below the first profile. The first and second profiles provide a bottle-neck shaped profile of the recess in the semiconductor substrate, the second profile having a greater width within the semiconductor substrate than the first profile. The recess is filled with a semiconductor material. A pair of spacers are disposed overly the semiconductor substrate adjacent the recess.Type: ApplicationFiled: August 9, 2023Publication date: November 30, 2023Inventors: Eric PENG, Chao-Cheng CHEN, Chii-Horng LI, Ming-Hua YU, Shih-Hao LO, Syun-Ming JANG, Tze-Liang LEE, Ying-Hao HSIEH
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Patent number: 11824120Abstract: A device including a gate stack over a semiconductor substrate having a pair of spacers abutting sidewalls of the gate stack. A recess is formed in the semiconductor substrate adjacent the gate stack. The recess has a first profile having substantially vertical sidewalls and a second profile contiguous with and below the first profile. The first and second profiles provide a bottle-neck shaped profile of the recess in the semiconductor substrate, the second profile having a greater width within the semiconductor substrate than the first profile. The recess is filled with a semiconductor material. A pair of spacers are disposed overly the semiconductor substrate adjacent the recess.Type: GrantFiled: August 27, 2021Date of Patent: November 21, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Eric Peng, Chao-Cheng Chen, Chii-Horng Li, Ming-Hua Yu, Shih-Hao Lo, Syun-Ming Jang, Tze-Liang Lee, Ying-Hao Hsieh
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Publication number: 20220262914Abstract: Various embodiments of the present disclosure are directed towards a method for forming a semiconductor structure. The method includes forming a gate dielectric structure on a substrate. A sidewall spacer is formed around the gate dielectric structure. A metal structure is formed over the gate dielectric structure. A gate body layer is formed over the metal structure. A lower portion of the gate body layer is cupped by the metal structure. A top surface of the gate body layer is vertically offset from a top surface of the metal structure. A conductive via is formed over the metal structure. The conductive via is disposed between outer sidewalls of the gate body layer.Type: ApplicationFiled: May 3, 2022Publication date: August 18, 2022Inventors: Wei Cheng Wu, Alexander Kalnitsky, Shih-Hao Lo, Hung-Pin Ko
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Patent number: 11335786Abstract: Various embodiments of the present disclosure are directed towards a semiconductor device including a gate structure. The semiconductor device further includes a pair of spacer segments on a semiconductor substrate. A high-? gate dielectric structure overlies the semiconductor substrate. The high-? gate dielectric structure is laterally between and borders the spacer segments. The gate structure overlies the high-k gate dielectric structure and has a top surface about even with a top surface of the spacer segments. The gate structure includes a metal structure and a gate body layer. The gate body layer has a top surface that is vertically offset from a top surface of the metal structure and further has a lower portion cupped by the metal structure.Type: GrantFiled: September 24, 2019Date of Patent: May 17, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei Cheng Wu, Alexander Kalnitsky, Shih-Hao Lo, Hung-Pin Ko
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Publication number: 20210391465Abstract: A device including a gate stack over a semiconductor substrate having a pair of spacers abutting sidewalls of the gate stack. A recess is formed in the semiconductor substrate adjacent the gate stack. The recess has a first profile having substantially vertical sidewalls and a second profile contiguous with and below the first profile. The first and second profiles provide a bottle-neck shaped profile of the recess in the semiconductor substrate, the second profile having a greater width within the semiconductor substrate than the first profile. The recess is filled with a semiconductor material. A pair of spacers are disposed overly the semiconductor substrate adjacent the recess.Type: ApplicationFiled: August 27, 2021Publication date: December 16, 2021Inventors: Eric PENG, Chao-Cheng CHEN, Chii-Horng LI, Ming-Hua YU, Shih-Hao LO, Syun-Ming JANG, Tze-Liang LEE, Ying-Hao HSIEH
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Patent number: 11107921Abstract: A device including a gate stack over a semiconductor substrate having a pair of spacers abutting sidewalls of the gate stack. A recess is formed in the semiconductor substrate adjacent the gate stack. The recess has a first profile having substantially vertical sidewalls and a second profile contiguous with and below the first profile. The first and second profiles provide a bottle-neck shaped profile of the recess in the semiconductor substrate, the second profile having a greater width within the semiconductor substrate than the first profile. The recess is filled with a semiconductor material. A pair of spacers are disposed overly the semiconductor substrate adjacent the recess.Type: GrantFiled: November 26, 2019Date of Patent: August 31, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Eric Peng, Chao-Cheng Chen, Chii-Horng Li, Ming-Hua Yu, Shih-Hao Lo, Syun-Ming Jang, Tze-Liang Lee, Ying Hao Hsieh
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Patent number: 11094545Abstract: A method forming a gate dielectric over a substrate, and forming a metal gate structure over the semiconductor substrate and the gate dielectric. The metal gate structure includes a first metal material. The method further includes forming a seal on sidewalls of the metal gate structure. The method further includes forming a dielectric film on the metal gate structure, the dielectric film including a first metal oxynitride comprising the first metal material and directly on the metal gate structure without extending over the seal formed on sidewalls of the metal gate structure.Type: GrantFiled: July 16, 2019Date of Patent: August 17, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jin-Aun Ng, Bao-Ru Young, Harry-Hak-Lay Chuang, Maxi Chang, Chih-Tang Peng, Chih-Yang Yeh, Ta-Wei Lin, Huan-Just Lin, Hui-Wen Lin, Jen-Sheng Yang, Pei-Ren Jeng, Jung-Hui Kao, Shih-Hao Lo, Yuan-Tien Tu
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Patent number: 10784375Abstract: A device including a gate stack over a semiconductor substrate having a pair of spacers abutting sidewalls of the gate stack. A recess is formed in the semiconductor substrate adjacent the gate stack. The recess has a first profile having substantially vertical sidewalls and a second profile contiguous with and below the first profile. The first and second profiles provide a bottle-neck shaped profile of the recess in the semiconductor substrate, the second profile having a greater width within the semiconductor substrate than the first profile. The recess is filled with a semiconductor material. A pair of spacers are disposed overly the semiconductor substrate adjacent the recess.Type: GrantFiled: July 9, 2018Date of Patent: September 22, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Eric Peng, Chao-Cheng Chen, Chii-Horng Li, Ming-Hua Yu, Shih-Hao Lo, Syun-Ming Jang, Tze-Liang Lee, Ying Hao Hsieh
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Publication number: 20200251566Abstract: Various embodiments of the present disclosure are directed towards a semiconductor device including a gate structure. The semiconductor device further includes a pair of spacer segments on a semiconductor substrate. A high-? gate dielectric structure overlies the semiconductor substrate. The high-? gate dielectric structure is laterally between and borders the spacer segments. The gate structure overlies the high-k gate dielectric structure and has a top surface about even with a top surface of the spacer segments. The gate structure includes a metal structure and a gate body layer. The gate body layer has a top surface that is vertically offset from a top surface of the metal structure and further has a lower portion cupped by the metal structure.Type: ApplicationFiled: September 24, 2019Publication date: August 6, 2020Inventors: Wei Cheng Wu, Alexander Kalnitsky, Shih-Hao Lo, Hung-Pin Ko
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Publication number: 20200098919Abstract: A device including a gate stack over a semiconductor substrate having a pair of spacers abutting sidewalls of the gate stack. A recess is formed in the semiconductor substrate adjacent the gate stack. The recess has a first profile having substantially vertical sidewalls and a second profile contiguous with and below the first profile. The first and second profiles provide a bottle-neck shaped profile of the recess in the semiconductor substrate, the second profile having a greater width within the semiconductor substrate than the first profile. The recess is filled with a semiconductor material. A pair of spacers are disposed overly the semiconductor substrate adjacent the recess.Type: ApplicationFiled: November 26, 2019Publication date: March 26, 2020Inventors: Eric PENG, Chao-Cheng CHEN, Chii-Horng LI, Ming-Hua YU, Shih-Hao LO, Syun-Ming JANG, Tze-Liang LEE, Ying Hao HSIEH
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Publication number: 20190341263Abstract: A method forming a gate dielectric over a substrate, and forming a metal gate structure over the semiconductor substrate and the gate dielectric. The metal gate structure includes a first metal material. The method further includes forming a seal on sidewalls of the metal gate structure. The method further includes forming a dielectric film on the metal gate structure, the dielectric film including a first metal oxynitride comprising the first metal material and directly on the metal gate structure without extending over the seal formed on sidewalls of the metal gate structure.Type: ApplicationFiled: July 16, 2019Publication date: November 7, 2019Inventors: Jin-Aun Ng, Bao-Ru Young, Harry-Hak-Lay Chuang, Maxi Chang, Chih-Tang Peng, Chih-Yang Yeh, Ta-Wei Lin, Huan-Just Lin, Hui-Wen Lin, Jen-Sheng Yang, Pei-Ren Jeng, Jung-Hui Kao, Shih-Hao Lo, Yuan-Tien Tu
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Patent number: 10388531Abstract: An integrated circuit includes a semiconductor substrate, a gate dielectric over the substrate, and a metal gate structure over the semiconductor substrate and the gate dielectric. The metal gate structure includes a first metal material. The integrated circuit further includes a seal formed on sidewalls of the metal gate structure. The integrated circuit further includes a dielectric film on the metal gate structure, the dielectric film including a first metal oxynitride comprising the first metal material and directly on the metal gate structure without extending over the seal formed on sidewalls of the metal gate structure.Type: GrantFiled: September 27, 2017Date of Patent: August 20, 2019Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jin-Aun Ng, Bao-Ru Young, Harry-Hak-Lay Chuang, Maxi Chang, Chih-Tang Peng, Chih-Yang Yeh, Ta-Wei Lin, Huan-Just Lin, Hui-Wen Lin, Jen-Sheng Yang, Pei-Ren Jeng, Jung-Hui Kao, Shih-Hao Lo, Yuan-Tien Tu
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Publication number: 20180315855Abstract: A device including a gate stack over a semiconductor substrate having a pair of spacers abutting sidewalls of the gate stack. A recess is formed in the semiconductor substrate adjacent the gate stack. The recess has a first profile having substantially vertical sidewalls and a second profile contiguous with and below the first profile. The first and second profiles provide a bottle-neck shaped profile of the recess in the semiconductor substrate, the second profile having a greater width within the semiconductor substrate than the first profile. The recess is filled with a semiconductor material. A pair of spacers are disposed overly the semiconductor substrate adjacent the recess.Type: ApplicationFiled: July 9, 2018Publication date: November 1, 2018Inventors: Eric PENG, Chao-Cheng CHEN, Chii-Horng LI, Ming-Hua YU, Shih-Hao LO, Syun-Ming JANG, Tze-Liang LEE, Ying Hao HSIEH
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Patent number: 10020397Abstract: A device including a gate stack over a semiconductor substrate having a pair of spacers abutting sidewalls of the gate stack. A recess is formed in the semiconductor substrate adjacent the gate stack. The recess has a first profile having substantially vertical sidewalls and a second profile contiguous with and below the first profile. The first and second profiles provide a bottle-neck shaped profile of the recess in the semiconductor substrate, the second profile having a greater width within the semiconductor substrate than the first profile. The recess is filled with a semiconductor material. A pair of spacers are disposed overly the semiconductor substrate adjacent the recess.Type: GrantFiled: June 5, 2015Date of Patent: July 10, 2018Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Eric Peng, Chao-Cheng Chen, Chii-Horng Li, Ming-Hua Yu, Shih-Hao Lo, Syun-Ming Jang, Tze-Liang Lee, Ying Hao Hsieh
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Publication number: 20180019133Abstract: An integrated circuit includes a semiconductor substrate, a gate dielectric over the substrate, and a metal gate structure over the semiconductor substrate and the gate dielectric. The metal gate structure includes a first metal material. The integrated circuit further includes a seal formed on sidewalls of the metal gate structure. The integrated circuit further includes a dielectric film on the metal gate structure, the dielectric film including a first metal oxynitride comprising the first metal material and directly on the metal gate structure without extending over the seal formed on sidewalls of the metal gate structure.Type: ApplicationFiled: September 27, 2017Publication date: January 18, 2018Inventors: Jin-Aun Ng, Bao-Ru Young, Harry-Hak-Lay Chuang, Maxi Chang, Chih-Tang Peng, Chih-Yang Yeh, Ta-Wei Lin, Huan-Just Lin, Hui-Wen Lin, Jen-Sheng Yang, Pei-Ren Jeng, Jung-Hui Kao, Shih-Hao Lo, Yuan-Tien Tu
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Patent number: 9779947Abstract: An integrated circuit includes a semiconductor substrate, a gate dielectric over the substrate, a metal gate structure over the semiconductor substrate and the gate dielectric, a dielectric film on the metal gate structure, the dielectric film comprising oxynitride combined with metal from the metal gate, and an interlayer dielectric (ILD) on either side of the metal gate structure.Type: GrantFiled: January 6, 2016Date of Patent: October 3, 2017Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jin-Aun Ng, Jen-Sheng Yang, Pei-Ren Jeng, Jung-Hui Kao, Shih-Hao Lo, Yuan-Tien Tu, Bao-Ru Young, Harry-Hak-Lay Chuang, Maxi Chang, Chih-Tang Peng, Chih-Yang Yeh, Ta-Wei Lin, Huan-Just Lin, Hui-Wen Lin
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Publication number: 20160196979Abstract: An integrated circuit includes a semiconductor substrate, a gate dielectric over the substrate, a metal gate structure over the semiconductor substrate and the gate dielectric, a dielectric film on the metal gate structure, the dielectric film comprising oxynitride combined with metal from the metal gate, and an interlayer dielectric (ILD) on either side of the metal gate structure.Type: ApplicationFiled: January 6, 2016Publication date: July 7, 2016Inventors: Jin-Aun Ng, Bao-Ru Young, Harry-Hak-Lay Chuang, Maxi Chang, Chih-Tang Peng, Chih-Yang Yeh, Ta-Wei Lin, Huan-Just Lin, Hui-Wen Lin, Jen-Sheng Yang, Pei-Ren Jeng, Jung-Hui Kao, Shih-Hao Lo, Yuan-Tien Tu
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Patent number: 9252224Abstract: An integrated circuit includes a semiconductor substrate, a gate dielectric over the substrate, a metal gate structure over the semiconductor substrate and the gate dielectric, a dielectric film on the metal gate structure, the dielectric film comprising oxynitride combined with metal from the metal gate, and an interlayer dielectric (ILD) on either side of the metal gate structure.Type: GrantFiled: August 28, 2014Date of Patent: February 2, 2016Assignee: Taiwan semiconductor Manufacturing Company, Ltd.Inventors: Jin-Aun Ng, Maxi Chang, Jen-Sheng Yang, Ta-Wei Lin, Shih-Hao Lo, Chih-Yang Yeh, Hui-Wen Lin, Jung-Hui Kao, Yuan-Tien Tu, Huan-Just Lin, Chih-Tang Peng, Pei-Ren Jeng, Bao-Ru Young, Harry-Hak-Lay Chuang