Patents by Inventor Sheng-Wen Yu
Sheng-Wen Yu 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: 11387363Abstract: A method includes forming a first channel region and a first gate structure formed over the first channel region. A first source/drain region is formed adjacent the first channel region and the first source/drain region includes a crystalline structure doped with a first dopant. A first silicide is formed over the first source/drain region. The first source/drain region includes a first concentration of the first dopant between 2.0×1021 atoms per centimeter cubed and 4.0×1021 atoms per centimeter cubed at a depth of 8 to 10 nanometers.Type: GrantFiled: July 20, 2020Date of Patent: July 12, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ziwei Fang
-
Publication number: 20200350430Abstract: A method includes forming a first channel region and a first gate structure formed over the first channel region. A first source/drain region is formed adjacent the first channel region and the first source/drain region includes a crystalline structure doped with a first dopant. A first silicide is formed over the first source/drain region. The first source/drain region includes a first concentration of the first dopant between 2.0×1021 atoms per centimeter cubed and 4.0×1021 atoms per centimeter cubed at a depth of 8 to 10 nanometers.Type: ApplicationFiled: July 20, 2020Publication date: November 5, 2020Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ziwei Fang
-
Patent number: 10720529Abstract: A method includes forming a first channel region and a first gate structure formed over the first channel region. A first source/drain region is formed adjacent the first channel region and the first source/drain region includes a crystalline structure doped with a first dopant. A first silicide is formed over the first source/drain region. The first source/drain region includes a first concentration of the first dopant between 2.0×1021 atoms per centimeter cubed and 4.0×1021 atoms per centimeter cubed at a depth of 8 to 10 nanometers.Type: GrantFiled: December 17, 2018Date of Patent: July 21, 2020Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ziwei Fang
-
Publication number: 20190140089Abstract: A method includes forming a first channel region and a first gate structure formed over the first channel region. A first source/drain region is formed adjacent the first channel region and the first source/drain region includes a crystalline structure doped with a first dopant. A first silicide is formed over the first source/drain region. The first source/drain region includes a first concentration of the first dopant between 2.0×1021 atoms per centimeter cubed and 4.0×1021 atoms per centimeter cubed at a depth of 8 to 10 nanometers.Type: ApplicationFiled: December 17, 2018Publication date: May 9, 2019Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ziwei Fang
-
Patent number: 10158019Abstract: A device includes a first channel region and a first gate structure formed over the first channel region. A first source/drain region is adjacent the first channel region and the first source/drain region includes a crystalline structure doped with a first dopant. A first silicide is formed over the first source/drain region. The first source/drain region includes a first concentration of the first dopant between 2.0×1021 atoms per centimeter cubed and 4.0×1021 atoms per centimeter cubed at a depth of 8 to 10 nanometers. A gradient of decreasing concentration of the first dopant is one decade for every 5.5 to 7.5 nanometers deeper than the first concentration.Type: GrantFiled: July 31, 2017Date of Patent: December 18, 2018Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ziwei Fang
-
Patent number: 10134896Abstract: A semiconductor substructure with an improved source/drain structure is described. The semiconductor substructure can include an upper surface; a gate structure formed over the substrate; a spacer formed along a sidewall of the gate structure; and a source/drain structure disposed adjacent the gate structure. The source/drain structure is disposed over or on a recess surface of a recess that extends below said upper surface. The source/drain structure includes a first epitaxial layer, having a first composition, over or on the interface surface, and a subsequent epitaxial layer, having a subsequent composition, over or on the first epitaxial layer. A dopant concentration of the subsequent composition is greater than a dopant concentration of the first composition, and a carbon concentration of the first composition ranges from 0 to 1.4 at.-%. Methods of making semiconductor substructures including improved source/drain structures are also described.Type: GrantFiled: March 1, 2013Date of Patent: November 20, 2018Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ying-Min Chou, Yi-Fang Pai
-
Patent number: 9953878Abstract: A method of forming a semiconductor device is provided. The method includes forming a recess in a substrate and forming a first dielectric layer in the recess. A portion of the first dielectric layer is removed. A second dielectric layer is formed over the first dielectric layer. A gate structure is formed over the second dielectric layer.Type: GrantFiled: February 4, 2016Date of Patent: April 24, 2018Assignee: Taiwan Semiconductor Manufacturing CompanyInventors: Yu-Lien Huang, Tung Ying Lee, Pei-Yi Lin, Chun-Hsiang Fan, Sheng-Wen Yu, Neng-Kuo Chen, Ming-Huan Tsai
-
Publication number: 20170330963Abstract: A device includes a first channel region and a first gate structure formed over the first channel region. A first source/drain region is adjacent the first channel region and the first source/drain region includes a crystalline structure doped with a first dopant. A first silicide is formed over the first source/drain region. The first source/drain region includes a first concentration of the first dopant between 2.0×1021 atoms per centimeter cubed and 4.0×1021 atoms per centimeter cubed at a depth of 8 to 10 nanometers. A gradient of decreasing concentration of the first dopant is one decade for every 5.5 to 7.5 nanometers deeper than the first concentration.Type: ApplicationFiled: July 31, 2017Publication date: November 16, 2017Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ziwei Fang
-
Patent number: 9722083Abstract: An embodiment method of forming a source/drain region for a transistor includes forming a recess in a substrate, epitaxially growing a semiconductor material in the recess, amorphizing the semiconductor material, and doping the semiconductor material to form a source/drain region. In an embodiment, the doping utilizes either phosphorus or boron as the dopant. Also, the amorphizing and the doping may be performed simultaneously. The amorphizing may be performed at least in part by doping with helium.Type: GrantFiled: October 17, 2013Date of Patent: August 1, 2017Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ziwei Fang
-
Patent number: 9482518Abstract: Methods and systems that include receiving a plurality of reflectivity measurements on a semiconductor wafer. A reflectivity map is generated based on the received plurality of reflectivity measurements. The generated reflectivity map is used to determine a process parameter of an epitaxial growth process using the reflectivity map. In an embodiment, the process parameter is a power setting (heating) of a lamp of a CVD epitaxy tool.Type: GrantFiled: November 7, 2014Date of Patent: November 1, 2016Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, De-Wei Yu
-
Publication number: 20160155671Abstract: A method of forming a semiconductor device is provided. The method includes forming a recess in a substrate and forming a first dielectric layer in the recess. A portion of the first dielectric layer is removed. A second dielectric layer is formed over the first dielectric layer. A gate structure is formed over the second dielectric layer.Type: ApplicationFiled: February 4, 2016Publication date: June 2, 2016Inventors: Yu-Lien Huang, Tung Ying Lee, Pei-Yi Lin, Chun-Hsiang Fan, Sheng-Wen Yu, Neng-Kuo Chen, Ming-Huan Tsai
-
Patent number: 9257323Abstract: A semiconductor device includes a substrate and a gate structure formed over the substrate. The semiconductor device further includes an insulator feature formed in the substrate. The insulator feature includes an insulating layer and a capping layer over the insulating layer.Type: GrantFiled: May 15, 2013Date of Patent: February 9, 2016Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Lien Huang, Tung Ying Lee, Pei-Yi Lin, Chun-Hsiang Fan, Sheng-Wen Yu, Neng-Kuo Chen, Ming-Huan Tsai
-
Publication number: 20150292868Abstract: Methods and systems that include receiving a plurality of reflectivity measurements on a semiconductor wafer. A reflectivity map is generated based on the received plurality of reflectivity measurements. The generated reflectivity map is used to determine a process parameter of an epitaxial growth process using the reflectivity map. In an embodiment, the process parameter is a power setting (heating) of a lamp of a CVD epitaxy tool.Type: ApplicationFiled: November 7, 2014Publication date: October 15, 2015Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, De-Wei Yu
-
Publication number: 20150111359Abstract: An embodiment method of forming a source/drain region for a transistor includes forming a recess in a substrate, epitaxially growing a semiconductor material in the recess, amorphizing the semiconductor material, and doping the semiconductor material to form a source/drain region. In an embodiment, the doping utilizes either phosphorus or boron as the dopant. Also, the amorphizing and the doping may be performed simultaneously. The amorphizing may be performed at least in part by doping with helium.Type: ApplicationFiled: October 17, 2013Publication date: April 23, 2015Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, Ziwei Fang
-
Patent number: 8927359Abstract: The present disclosure provides a method of semiconductor device fabrication including forming a multi-composition ILD layer by forming a first portion of an inter-layer dielectric (ILD) layer on a semiconductor substrate; and forming a second portion of an ILD layer on the first portion of the ILD layer. The second portion may have a greater silicon content than the first portion. For example, the second portion may be a silicon rich oxide.Type: GrantFiled: February 21, 2013Date of Patent: January 6, 2015Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Su-Hao Liu, Chun-Yi Chang, Ming-Feng Lin, Sheng-Wen Yu, Ziwei Fang
-
Patent number: 8883522Abstract: A system includes a computer-readable medium that stores a plurality of instructions for execution by at least one computer processor. The instructions include receiving a reflectivity measurement on a semiconductor wafer and generating a reflectivity map based on the received reflectivity measurement. The instructions determine a spatial distance for a selected reflectivity change using the generated reflectivity map. Subsequently, the determined spatial distance is compared with a thermal diffusion length of a first anneal process technique. In embodiments, the system further includes a light source and a reflectivity measurement tool.Type: GrantFiled: April 28, 2014Date of Patent: November 11, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, De-Wei Yu
-
Publication number: 20140252432Abstract: A semiconductor device includes a substrate and a gate structure formed over the substrate. The semiconductor device further includes an insulator feature formed in the substrate. The insulator feature includes an insulating layer and a capping layer over the insulating layer.Type: ApplicationFiled: May 15, 2013Publication date: September 11, 2014Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Lien Huang, Tung Ying Lee, Pei-Yi Lin, Chun-Hsiang Fan, Sheng-Wen Yu, Neng-Kuo Chen, Ming-Huan Tsai
-
Publication number: 20140233043Abstract: A system includes a computer-readable medium that stores a plurality of instructions for execution by at least one computer processor. The instructions include receiving a reflectivity measurement on a semiconductor wafer and generating a reflectivity map based on the received reflectivity measurement. The instructions determine a spatial distance for a selected reflectivity change using the generated reflectivity map. Subsequently, the determined spatial distance is compared with a thermal diffusion length of a first anneal process technique. In embodiments, the system further includes a light source and a reflectivity measurement tool.Type: ApplicationFiled: April 28, 2014Publication date: August 21, 2014Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, De-Wei Yu
-
Patent number: 8753904Abstract: The present disclosure provides a method and system for characterizing a pattern loading effect. A method may include performing a reflectivity measurement on a semiconductor wafer and determining an anneal process technique based on the reflectivity measurement. The determining the anneal process technique may include determining a spatial distance for a reflectivity change using a reflectivity map generated using the reflectivity measurement. This spatial distance is compared with the thermal diffusion length associated with each of the plurality of anneal process techniques. In an embodiment, a thermal profile map and/or a device performance map may be provided.Type: GrantFiled: June 7, 2012Date of Patent: June 17, 2014Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, De-Wei Yu
-
Publication number: 20130330847Abstract: The present disclosure provides a method and system for characterizing a pattern loading effect. A method may include performing a reflectivity measurement on a semiconductor wafer and determining an anneal process technique based on the reflectivity measurement. The determining the anneal process technique may include determining a spatial distance for a reflectivity change using a reflectivity map generated using the reflectivity measurement. This spatial distance is compared with the thermal diffusion length associated with each of the plurality of anneal process techniques. In an embodiment, a thermal profile map and/or a device performance map may be provided.Type: ApplicationFiled: June 7, 2012Publication date: December 12, 2013Applicant: Taiwan Semiconductor Manufacturing Company, Ltd. ("TSMC")Inventors: Chun Hsiung Tsai, Sheng-Wen Yu, De-Wei Yu