Patents by Inventor Tzu-Ching Lin
Tzu-Ching Lin 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: 20250148184Abstract: A computer readable medium comprising computer executable instructions for carrying out a method is disclosed. The method includes: generating a schematic of an integrated circuit including a plurality of components, each of the components associated with a format, the format indicating a matching group that represents a respective circuit functionality; merging a first device array layout, which corresponds to a first subset of the components that share a first matching group, and a second device array layout, which corresponds to a second subset of the components that share a second matching group, to form a third device array layout, in response to detecting that the first device array layout and the second device array layout share a same cell type; forming a first layer enclosing the third device array layout; inserting dummy patterns surrounding the first layer; and inserting a guard ring further surrounding the dummy patterns.Type: ApplicationFiled: November 6, 2023Publication date: May 8, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yung-Shun Chen, Tzu-Ching Lin, Shu-Chin Tai, Amit Kundu, Yung-Chow Peng, Hung-Hsiang Lin, Yi-Peng Weng, Chung-Ting Lu
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Patent number: 12243784Abstract: A method for forming source/drain regions in a semiconductor device and a semiconductor device including source/drain regions formed by the method are disclosed. In an embodiment, a method includes etching a semiconductor fin to form a first recess, the semiconductor fin defining sidewalls and a bottom surface of the first recess, the semiconductor fin extending in a first direction; forming a source/drain region in the first recess, the source/drain region including a single continuous material extending from a bottom surface of the first recess to above a top surface of the semiconductor fin, a precursor gas for forming the source/drain region including phosphine (PH3) and at least one of arsine (AsH3) or monomethylsilane (CH6Si); and forming a gate over the semiconductor fin adjacent the source/drain region, the gate extending in a second direction perpendicular the first direction.Type: GrantFiled: July 19, 2023Date of Patent: March 4, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tzu-Ching Lin, Tuoh Bin Ng
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Publication number: 20240258429Abstract: The present application provides a semiconductor device and the method of making the same. The method includes recessing a fin extending from a substrate, forming a base epitaxial feature on the recessed fin, forming a bar-like epitaxial feature on the base epitaxial feature, and forming a conformal epitaxial feature on the bar-like epitaxial feature. The forming of the bar-like epitaxial feature includes in-situ doping the bar-like epitaxial feature with an n-type dopant at a first doping concentration. The forming of the conformal epitaxial feature includes in-situ doping the conformal epitaxial feature with a second doping concentration greater than the first doping concentration.Type: ApplicationFiled: April 15, 2024Publication date: August 1, 2024Inventors: Chun-An Lin, Wei-Yuan Lu, Feng-Cheng Yang, Tzu-Ching Lin, Li-Li Su
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Patent number: 11961912Abstract: The present application provides a semiconductor device and the method of making the same. The method includes recessing a fin extending from a substrate, forming a base epitaxial feature on the recessed fin, forming a bar-like epitaxial feature on the base epitaxial feature, and forming a conformal epitaxial feature on the bar-like epitaxial feature. The forming of the bar-like epitaxial feature includes in-situ doping the bar-like epitaxial feature with an n-type dopant at a first doping concentration. The forming of the conformal epitaxial feature includes in-situ doping the conformal epitaxial feature with a second doping concentration greater than the first doping concentration.Type: GrantFiled: June 6, 2022Date of Patent: April 16, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chun-An Lin, Wei-Yuan Lu, Feng-Cheng Yang, Tzu-Ching Lin, Li-Li Su
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Publication number: 20240021466Abstract: An embodiment is a device including a first fin extending from a substrate, a first gate stack over and along sidewalls of the first fin, a first gate spacer disposed along a sidewall of the first gate stack, and a first source/drain region in the first fin and adjacent the first gate spacer. The first source/drain region including a first insulator layer on the first fin, and a first epitaxial layer on the first insulator layer.Type: ApplicationFiled: August 8, 2023Publication date: January 18, 2024Inventors: Tzu-Ching Lin, Tuoh Bin Ng
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Patent number: 11823949Abstract: An embodiment is a device including a first fin extending from a substrate, a first gate stack over and along sidewalls of the first fin, a first gate spacer disposed along a sidewall of the first gate stack, and a first source/drain region in the first fin and adjacent the first gate spacer. The first source/drain region including a first insulator layer on the first fin, and a first epitaxial layer on the first insulator layer.Type: GrantFiled: May 10, 2021Date of Patent: November 21, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Tzu-Ching Lin, Tuoh Bin Ng
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Publication number: 20230360974Abstract: A method for forming source/drain regions in a semiconductor device and a semiconductor device including source/drain regions formed by the method are disclosed. In an embodiment, a method includes etching a semiconductor fin to form a first recess, the semiconductor fin defining sidewalls and a bottom surface of the first recess, the semiconductor fin extending in a first direction; forming a source/drain region in the first recess, the source/drain region including a single continuous material extending from a bottom surface of the first recess to above a top surface of the semiconductor fin, a precursor gas for forming the source/drain region including phosphine (PH3) and at least one of arsine (AsH3) or monomethylsilane (CH6Si); and forming a gate over the semiconductor fin adjacent the source/drain region, the gate extending in a second direction perpendicular the first direction.Type: ApplicationFiled: July 19, 2023Publication date: November 9, 2023Inventors: Tzu-Ching Lin, Tuoh Bin Ng
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Patent number: 11749567Abstract: A method for forming source/drain regions in a semiconductor device and a semiconductor device including source/drain regions formed by the method are disclosed. In an embodiment, a method includes etching a semiconductor fin to form a first recess, the semiconductor fin defining sidewalls and a bottom surface of the first recess, the semiconductor fin extending in a first direction; forming a source/drain region in the first recess, the source/drain region including a single continuous material extending from a bottom surface of the first recess to above a top surface of the semiconductor fin, a precursor gas for forming the source/drain region including phosphine (PH3) and at least one of arsine (AsH3) or monomethylsilane (CH6Si); and forming a gate over the semiconductor fin adjacent the source/drain region, the gate extending in a second direction perpendicular the first direction.Type: GrantFiled: July 19, 2021Date of Patent: September 5, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTDInventors: Tzu-Ching Lin, Tuoh Bin Ng
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Publication number: 20230215935Abstract: An embodiment is a method including forming a raised portion of a substrate, forming fins on the raised portion of the substrate, forming an isolation region surrounding the fins, a first portion of the isolation region being on a top surface of the raised portion of the substrate between adjacent fins, forming a gate structure over the fins, and forming source/drain regions on opposing sides of the gate structure, wherein forming the source/drain regions includes epitaxially growing a first epitaxial layer on the fin adjacent the gate structure, etching back the first epitaxial layer, epitaxially growing a second epitaxial layer on the etched first epitaxial layer, and etching back the second epitaxial layer, the etched second epitaxial layer having a non-faceted top surface, the etched first epitaxial layer and the etched second epitaxial layer forming source/drain regions.Type: ApplicationFiled: March 3, 2023Publication date: July 6, 2023Inventors: Tzu-Ching Lin, Wei Te Chiang, Wei Hao Lu, Chii-Horng Li, Chien-I Kuo, Li-Li Su
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Patent number: 11600715Abstract: An embodiment is a method including forming a raised portion of a substrate, forming fins on the raised portion of the substrate, forming an isolation region surrounding the fins, a first portion of the isolation region being on a top surface of the raised portion of the substrate between adjacent fins, forming a gate structure over the fins, and forming source/drain regions on opposing sides of the gate structure, wherein forming the source/drain regions includes epitaxially growing a first epitaxial layer on the fin adjacent the gate structure, etching back the first epitaxial layer, epitaxially growing a second epitaxial layer on the etched first epitaxial layer, and etching back the second epitaxial layer, the etched second epitaxial layer having a non-faceted top surface, the etched first epitaxial layer and the etched second epitaxial layer forming source/drain regions.Type: GrantFiled: October 21, 2019Date of Patent: March 7, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY. LTD.Inventors: Tzu-Ching Lin, Chien-I Kuo, Wei Te Chiang, Wei Hao Lu, Li-Li Su, Chii-Horng Li
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Publication number: 20220302299Abstract: The present application provides a semiconductor device and the method of making the same. The method includes recessing a fin extending from a substrate, forming a base epitaxial feature on the recessed fin, forming a bar-like epitaxial feature on the base epitaxial feature, and forming a conformal epitaxial feature on the bar-like epitaxial feature. The forming of the bar-like epitaxial feature includes in-situ doping the bar-like epitaxial feature with an n-type dopant at a first doping concentration. The forming of the conformal epitaxial feature includes in-situ doping the conformal epitaxial feature with a second doping concentration greater than the first doping concentration.Type: ApplicationFiled: June 6, 2022Publication date: September 22, 2022Inventors: Chun-An Lin, Wei-Yuan Lu, Feng-Cheng Yang, Tzu-Ching Lin, Li-Li Su
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Patent number: 11355641Abstract: The present application provides a semiconductor device and the method of making the same. The method includes recessing a fin extending from a substrate, forming a base epitaxial feature on the recessed fin, forming a bar-like epitaxial feature on the base epitaxial feature, and forming a conformal epitaxial feature on the bar-like epitaxial feature. The forming of the bar-like epitaxial feature includes in-situ doping the bar-like epitaxial feature with an n-type dopant at a first doping concentration. The forming of the conformal epitaxial feature includes in-situ doping the conformal epitaxial feature with a second doping concentration greater than the first doping concentration.Type: GrantFiled: March 15, 2021Date of Patent: June 7, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chun-An Lin, Wei-Yuan Lu, Feng-Cheng Yang, Tzu-Ching Lin, Li-Li Su
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Patent number: 11205713Abstract: An embodiment is a method including forming a raised portion of a substrate, forming fins on the raised portion of the substrate, forming an isolation region surrounding the fins, a first portion of the isolation region being on a top surface of the raised portion of the substrate between adjacent fins, forming a gate structure over the fins, and forming source/drain regions on opposing sides of the gate structure, wherein forming the source/drain regions includes epitaxially growing a first epitaxial layer on the fin adjacent the gate structure, etching back the first epitaxial layer, epitaxially growing a second epitaxial layer on the etched first epitaxial layer, and etching back the second epitaxial layer, the etched second epitaxial layer having a non-faceted top surface, the etched first epitaxial layer and the etched second epitaxial layer forming source/drain regions.Type: GrantFiled: November 30, 2018Date of Patent: December 21, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tzu-Ching Lin, Chien-I Kuo, Wei Te Chiang, Wei Hao Lu, Li-Li Su, Chii-Horng Li
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Publication number: 20210351083Abstract: A method for forming source/drain regions in a semiconductor device and a semiconductor device including source/drain regions formed by the method are disclosed. In an embodiment, a method includes etching a semiconductor fin to form a first recess, the semiconductor fin defining sidewalls and a bottom surface of the first recess, the semiconductor fin extending in a first direction; forming a source/drain region in the first recess, the source/drain region including a single continuous material extending from a bottom surface of the first recess to above a top surface of the semiconductor fin, a precursor gas for forming the source/drain region including phosphine (PH3) and at least one of arsine (AsH3) or monomethylsilane (CH6Si); and forming a gate over the semiconductor fin adjacent the source/drain region, the gate extending in a second direction perpendicular the first direction.Type: ApplicationFiled: July 19, 2021Publication date: November 11, 2021Inventors: Tzu-Ching Lin, Tuoh Bin Ng
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Patent number: 11127637Abstract: The present disclosure relates generally to an epitaxy scheme for forming source/drain regions in a semiconductor device, such as an n-channel device. In an example, a method of manufacturing a semiconductor device is provided. The method generally includes forming a recess in a fin, the fin being on a substrate. The recess is proximate a gate structure over the fin. The method includes epitaxially growing a source/drain region in the recess using a remote plasma chemical vapor deposition (RPCVD) process. The RPCVD process includes using a silicon source precursor and a hydrogen carrier gas.Type: GrantFiled: December 11, 2019Date of Patent: September 21, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tzu-Ching Lin, Chii-Horng Li, Chien-I Kuo, Li-Li Su
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Patent number: 11121255Abstract: A semiconductor device includes a semiconductor base. A dielectric isolation structure is formed in the semiconductor base. A source/drain of a FinFET transistor is formed on the semiconductor base. A bottom segment of the source/drain is embedded into the semiconductor base. The bottom segment of the source/drain has a V-shaped cross-sectional profile. The bottom segment of the source/drain is separated from the dielectric isolation structure by portions of the semiconductor base.Type: GrantFiled: May 11, 2020Date of Patent: September 14, 2021Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Chii-Horng Li, Chih-Shan Chen, Roger Tai, Yih-Ann Lin, Yen-Ru Lee, Tzu-Ching Lin
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Publication number: 20210265196Abstract: An embodiment is a device including a first fin extending from a substrate, a first gate stack over and along sidewalls of the first fin, a first gate spacer disposed along a sidewall of the first gate stack, and a first source/drain region in the first fin and adjacent the first gate spacer. The first source/drain region including a first insulator layer on the first fin, and a first epitaxial layer on the first insulator layer.Type: ApplicationFiled: May 10, 2021Publication date: August 26, 2021Inventors: Tzu-Ching Lin, Tuoh Bin Ng
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Patent number: 11069578Abstract: A method for forming source/drain regions in a semiconductor device and a semiconductor device including source/drain regions formed by the method are disclosed. In an embodiment, a method includes etching a semiconductor fin to form a first recess, the semiconductor fin defining sidewalls and a bottom surface of the first recess, the semiconductor fin extending in a first direction; forming a source/drain region in the first recess, the source/drain region including a single continuous material extending from a bottom surface of the first recess to above a top surface of the semiconductor fin, a precursor gas for forming the source/drain region including phosphine (PH3) and at least one of arsine (AsH3) or monomethylsilane (CH6Si); and forming a gate over the semiconductor fin adjacent the source/drain region, the gate extending in a second direction perpendicular the first direction.Type: GrantFiled: May 31, 2019Date of Patent: July 20, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tzu-Ching Lin, Tuoh Bin Ng
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Publication number: 20210202733Abstract: The present application provides a semiconductor device and the method of making the same. The method includes recessing a fin extending from a substrate, forming a base epitaxial feature on the recessed fin, forming a bar-like epitaxial feature on the base epitaxial feature, and forming a conformal epitaxial feature on the bar-like epitaxial feature. The forming of the bar-like epitaxial feature includes in-situ doping the bar-like epitaxial feature with an n-type dopant at a first doping concentration. The forming of the conformal epitaxial feature includes in-situ doping the conformal epitaxial feature with a second doping concentration greater than the first doping concentration.Type: ApplicationFiled: March 15, 2021Publication date: July 1, 2021Inventors: Chun-An Lin, Wei-Yuan Lu, Feng-Cheng Yang, Tzu-Ching Lin, Li-Li Su
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Patent number: 11004745Abstract: The present disclosure relates generally to an epitaxy scheme for forming source/drain regions in a semiconductor device, such as an n-channel device. In an example, a method of manufacturing a semiconductor device is provided. The method generally includes forming a recess in a fin, the fin being on a substrate. The recess is proximate a gate structure over the fin. The method includes epitaxially growing a source/drain region in the recess using a remote plasma chemical vapor deposition (RPCVD) process. The RPCVD process includes using a silicon source precursor and a hydrogen carrier gas.Type: GrantFiled: December 11, 2019Date of Patent: May 11, 2021Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tzu-Ching Lin, Chii-Horng Li, Chien-I Kuo, Li-Li Su