Patents by Inventor Tien-I Bao
Tien-I Bao 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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Patent number: 11955376Abstract: Some embodiments relate to a semiconductor device disposed on a semiconductor substrate. A dielectric structure is arranged over the semiconductor substrate. First and second metal vias are disposed in the dielectric structure and spaced laterally apart from one another. First and second metal lines are disposed in the dielectric structure and have nearest neighboring sidewalls that are spaced laterally apart from one another by a portion of the dielectric structure. The first and second metal lines contact upper portions of the first and second metal vias, respectively. First and second air gaps are disposed in the portion of the dielectric structure. The first and second air gaps are proximate to nearest neighboring sidewalls of the first and second metal lines, respectively.Type: GrantFiled: November 4, 2021Date of Patent: April 9, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Sunil Kumar Singh, Chung-Ju Lee, Tien-I Bao
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Publication number: 20240113202Abstract: Embodiments of the present disclosure relate to a FinFET device having gate spacers with reduced capacitance and methods for forming the FinFET device. Particularly, the FinFET device according to the present disclosure includes gate spacers formed by two or more depositions. The gate spacers are formed by depositing first and second materials at different times of processing to reduce parasitic capacitance between gate structures and contacts introduced after epitaxy growth of source/drain regions.Type: ApplicationFiled: December 1, 2023Publication date: April 4, 2024Inventors: Wen-Kai Lin, Bo-Yu Lai, Li Chun Te, Kai-Hsuan Lee, Sai-Hooi Yeong, Tien-I Bao, Wei-Ken Lin
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Publication number: 20240088025Abstract: The present disclosure provides a method for forming an integrated circuit (IC) structure. The method comprises providing a substrate including a conductive feature; forming aluminum (Al)-containing dielectric layer on the conductive feature; forming a low-k dielectric layer on the Al-containing dielectric layer; and etching the low-k dielectric layer to form a contact trench aligned with the conductive feature. A bottom of the contact trench is on a surface of the Al-containing dielectric layer.Type: ApplicationFiled: November 27, 2023Publication date: March 14, 2024Inventors: Hsin-Yen Huang, Kai-Fang Cheng, Chi-Lin Teng, Hai-Ching Chen, Tien-I Bao
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Patent number: 11929258Abstract: An integrated circuit structure includes a first metal feature formed into a first dielectric layer, a second metal feature formed into a second dielectric layer, the second dielectric layer being disposed on said first dielectric layer, and a via connecting the first metal feature to the second metal feature, wherein a top portion of the via is offset from a bottom portion of the via.Type: GrantFiled: August 9, 2021Date of Patent: March 12, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Shih-Ming Chang, Chih-Ming Lai, Ru-Gun Liu, Tsai-Sheng Gau, Chung-Ju Lee, Tien-I Bao, Shau-Lin Shue
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Publication number: 20240060951Abstract: A water alkalinity detection system includes an installing box having a reference sink, a test sink and a temporary sink. A pH value detecting probe is positioned in the test sink and serves to test a liquid inputted into the test sink for detecting a pH value of the liquid. A reference pumping device serves to pump a reference liquid of the reference sink into the test sink. A temporary pumping device serves to pump an external liquid of an external sink into the temporary sink. A transferring pumping device serves to pump the external liquid from the temporary sink into the test sink. An air pumping device is connected to the test sink and the temporary sink. A control device includes a processor serving to calculate an external KH value of the external liquid.Type: ApplicationFiled: October 23, 2023Publication date: February 22, 2024Inventor: TIEN-I BAO
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Publication number: 20240047276Abstract: A semiconductor structure and a method for forming the same are provided. The method includes forming a first protruding structure and a second protruding structure over a substrate, and forming a first insulation material layer on the first protruding structure and the second protruding structure. The method includes performing a pre-treatment process on the first insulation material layer to form a first treated insulation material layer, and forming a second insulation material layer on the first treated insulation material layer. The method includes performing a first insulation material conversion process on the first treated insulation material layer and the second insulation material layer. The first protruding structure and the second protruding structure are bent toward opposite directions during the first insulation material conversion process.Type: ApplicationFiled: October 13, 2023Publication date: February 8, 2024Inventors: Han-Pin CHUNG, Chih-Tang PENG, Tien-I BAO
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Patent number: 11854820Abstract: A method includes forming a first layer on a substrate; forming a first plurality of trenches in the first layer by a patterning process; and forming a second plurality of trenches in the first layer by another patterning process, resulting in combined trench patterns in the first layer. A first trench of the second plurality connects two trenches of the first plurality. The method further includes forming dielectric spacer features on sidewalls of the combined trench patterns. A space between two opposing sidewalls of the first trench is completely filled by the dielectric spacer features and another space between two opposing sidewalls of one of the two trenches is partially filled by the dielectric spacer features.Type: GrantFiled: May 22, 2020Date of Patent: December 26, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Ru-Gun Liu, Cheng-Hsiung Tsai, Chung-Ju Lee, Chih-Ming Lai, Chia-Ying Lee, Jyu-Horng Shieh, Ken-Hsien Hsieh, Ming-Feng Shieh, Shau-Lin Shue, Shih-Ming Chang, Tien-I Bao, Tsai-Sheng Gau
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Patent number: 11855182Abstract: Embodiments of the present disclosure relate to a FinFET device having gate spacers with reduced capacitance and methods for forming the FinFET device. Particularly, the FinFET device according to the present disclosure includes gate spacers formed by two or more depositions. The gate spacers are formed by depositing first and second materials at different times of processing to reduce parasitic capacitance between gate structures and contacts introduced after epitaxy growth of source/drain regions.Type: GrantFiled: November 5, 2020Date of Patent: December 26, 2023Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Wen-Kai Lin, Bo-Yu Lai, Li Chun Te, Kai-Hsuan Lee, Sai-Hooi Yeong, Tien-I Bao, Wei-Ken Lin
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Publication number: 20230411150Abstract: The present disclosure is generally related to semiconductor devices, and more particularly to a dielectric material formed in semiconductor devices. The present disclosure provides methods for forming a dielectric material layer by a cyclic spin-on coating process. In an embodiment, a method of forming a dielectric material on a substrate includes spin-coating a first portion of a dielectric material on a substrate, curing the first portion of the dielectric material on the substrate, spin-coating a second portion of the dielectric material on the substrate, and thermal annealing the dielectric material to form an annealed dielectric material on the substrate.Type: ApplicationFiled: July 31, 2023Publication date: December 21, 2023Inventors: Je-Ming Kuo, Yen-Chun Huang, Chih-Tang Peng, Tien-I Bao
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Patent number: 11830808Abstract: The present disclosure provides a method for forming an integrated circuit (IC) structure. The method comprises providing a substrate including a conductive feature; forming aluminum (Al)-containing dielectric layer on the conductive feature; forming a low-k dielectric layer on the Al-containing dielectric layer; and etching the low-k dielectric layer to form a contact trench aligned with the conductive feature. A bottom of the contact trench is on a surface of the Al-containing dielectric layer.Type: GrantFiled: May 9, 2022Date of Patent: November 28, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Hsin-Yen Huang, Kai-Fang Cheng, Chi-Lin Teng, Hai-Ching Chen, Tien-I Bao
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Patent number: 11823960Abstract: A semiconductor structure and a method for forming the same are provided. The method includes forming a first protruding structure, a second protruding structure, and a third protruding structure over a substrate. The method also includes performing a depositing process to form a first insulation material layer between the first protruding structure and the second protruding structure. The method further includes performing a first insulation material conversion process onto the first insulation material layer to bend the first protruding structure and the second protruding structure toward opposite directions.Type: GrantFiled: October 26, 2020Date of Patent: November 21, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Han-Pin Chung, Chih-Tang Peng, Tien-I Bao
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Publication number: 20230369228Abstract: A circuit device having an interlayer dielectric with pillar-type air gaps and a method of forming the circuit device are disclosed. In an exemplary embodiment, the method comprises receiving a substrate and depositing a first layer over the substrate. A copolymer layer that includes a first constituent polymer and a second constituent polymer is formed over the first layer. The first constituent polymer is selectively removed from the copolymer layer. A first region of the first layer corresponding to the selectively removed first constituent polymer is etched. The etching leaves a second region of the first layer underlying the second constituent polymer unetched. A metallization process is performed on the etched substrate, and the first layer is removed from the second region to form an air gap. The method may further comprise depositing a dielectric material within the etched first region.Type: ApplicationFiled: July 28, 2023Publication date: November 16, 2023Inventors: Chih Wei Lu, Chung-Ju Lee, Tien-I Bao
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Patent number: 11791154Abstract: The present disclosure is generally related to semiconductor devices, and more particularly to a dielectric material formed in semiconductor devices. The present disclosure provides methods for forming a dielectric material layer by a cyclic spin-on coating process. In an embodiment, a method of forming a dielectric material on a substrate includes spin-coating a first portion of a dielectric material on a substrate, curing the first portion of the dielectric material on the substrate, spin-coating a second portion of the dielectric material on the substrate, and thermal annealing the dielectric material to form an annealed dielectric material on the substrate.Type: GrantFiled: July 21, 2022Date of Patent: October 17, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Je-Ming Kuo, Yen-Chun Huang, Chih-Tang Peng, Tien-I Bao
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Publication number: 20230299003Abstract: A device includes a substrate; a first layer over the substrate, the first layer containing a plurality of fin features and a trench between two adjacent fin features. The device also includes a porous material layer having a first portion and a second portion. The first portion is disposed in the trench. The second portion is disposed on a top surface of the first layer. The first and the second portions contain substantially same percentage of Si, substantially same percentage of O, and substantially same percentage of C.Type: ApplicationFiled: May 22, 2023Publication date: September 21, 2023Inventors: Bo-Jiun Lin, Ching-Yu Chang, Hai-Ching Chen, Tien-I Bao
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Publication number: 20230260781Abstract: The present disclosure involves forming a porous low-k dielectric structure. A plurality of conductive elements is formed over the substrate. The conductive elements are separated from one another by a plurality of openings. A barrier layer is formed over the conductive elements. The barrier layer is formed to cover sidewalls of the openings. A treatment process is performed to the barrier layer. The barrier layer becomes hydrophilic after the treatment process is performed. A dielectric material is formed over the barrier layer after the treatment process has been performed. The dielectric material fills the openings and contains a plurality of porogens.Type: ApplicationFiled: April 24, 2023Publication date: August 17, 2023Inventors: Bo-Jiun Lin, Hai-Ching Chen, Tien-I Bao
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Patent number: 11728271Abstract: A circuit device having an interlayer dielectric with pillar-type air gaps and a method of forming the circuit device are disclosed. In an exemplary embodiment, the method comprises receiving a substrate and depositing a first layer over the substrate. A copolymer layer that includes a first constituent polymer and a second constituent polymer is formed over the first layer. The first constituent polymer is selectively removed from the copolymer layer. A first region of the first layer corresponding to the selectively removed first constituent polymer is etched. The etching leaves a second region of the first layer underlying the second constituent polymer unetched. A metallization process is performed on the etched substrate, and the first layer is removed from the second region to form an air gap. The method may further comprise depositing a dielectric material within the etched first region.Type: GrantFiled: October 26, 2020Date of Patent: August 15, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chih Wei Lu, Chung-Ju Lee, Tien-I Bao
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Patent number: 11658120Abstract: A device includes a substrate; a first layer over the substrate, the first layer containing a plurality of fin features and a trench between two adjacent fin features. The device also includes a porous material layer having a first portion and a second portion. The first portion is disposed in the trench. The second portion is disposed on a top surface of the first layer. The first and the second portions contain substantially same percentage of Si, substantially same percentage of O, and substantially same percentage of C.Type: GrantFiled: December 14, 2020Date of Patent: May 23, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Bo-Jiun Lin, Ching-Yu Chang, Hai-Ching Chen, Tien-I Bao
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Patent number: 11637010Abstract: The present disclosure involves forming a porous low-k dielectric structure. A plurality of conductive elements is formed over the substrate. The conductive elements are separated from one another by a plurality of openings. A barrier layer is formed over the conductive elements. The barrier layer is formed to cover sidewalls of the openings. A treatment process is performed to the barrier layer. The barrier layer becomes hydrophilic after the treatment process is performed. A dielectric material is formed over the barrier layer after the treatment process has been performed. The dielectric material fills the openings and contains a plurality of porogens.Type: GrantFiled: June 8, 2020Date of Patent: April 25, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Bo-Jiun Lin, Hai-Ching Chen, Tien-I Bao
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Publication number: 20230059655Abstract: A controllable gas-storage-form gas supply tube device includes a three way tube having a first opening, a second opening and a third opening; an electric control valve device installed in the three way tube for controlling connections of the three openings; an input tube, a close form air storage tube and a draining tube are connected to the first, second and third openings, respectively. When the electric control valve device is at a first position, the third opening is closed and the first and second openings are communicated so that gas from the input tube flows to the close form air storage tube and is stored therein. When the electric control valve device is at a second position, the first opening is closed, and the second and third openings are communicated so that gas in the close form air storage tube flow to the draining tube.Type: ApplicationFiled: August 19, 2021Publication date: February 23, 2023Inventor: Tien-I Bao
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Patent number: 11569124Abstract: A multilayer interconnect structure for integrated circuits includes a first dielectric layer over a substrate and a conductive line partially exposed over the first dielectric layer. The structure further includes an etch stop layer over both the first dielectric layer and the exposed conductive line, and a second dielectric layer over the etch stop layer. The second dielectric layer and the etch stop layer provide a via hole that partially exposes the conductive line. The structure further includes a via disposed in the via hole, and another conductive line disposed over the via and coupled to the conductive line through the via. Methods of forming the multilayer interconnect structure are also disclosed. The etch stop layer reduces the lateral and vertical etching of the first and second dielectric layers when the via hole is misaligned due to overlay errors.Type: GrantFiled: October 19, 2020Date of Patent: January 31, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Cheng-Hsiung Tsai, Chung-Ju Lee, Shau-Lin Shue, Tien-I Bao