Patents by Inventor Chin-Chia Kuo
Chin-Chia Kuo 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: 20240266435Abstract: A transistor with an embedded insulating structure set includes a substrate. A gate is disposed on the substrate. A first lightly doped region is disposed at one side of the gate. A second lightly doped region is disposed at another side of the gate. The first lightly doped region and the second lightly doped region have the same conductive type. The first lightly doped region is symmetrical to the second lightly doped region. A first source/drain doped region is disposed within the first lightly doped region. A second source/drain doped region is disposed within the second lightly doped region. A first insulating structure set is disposed within the first lightly doped region and the first source/drain doped region. The first insulating structure set includes an insulating block embedded within the substrate. A sidewall of the insulating block contacts the gate dielectric layer.Type: ApplicationFiled: March 13, 2023Publication date: August 8, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Ming-Hua Tsai, Chin-Chia Kuo, Wei-Hsuan Chang
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Patent number: 12057412Abstract: Various embodiments of the present disclosure are directed towards a method for forming a semiconductor device, the method including forming a plurality of photodetectors in a substrate. A device isolation structure is formed within the substrate. The device isolation structure laterally wraps around the plurality of photodetectors. An outer isolation structure is formed within the substrate. The device isolation structure is spaced between sidewalls of the outer isolation structure. The device isolation structure and the outer isolation structure comprise a dielectric material.Type: GrantFiled: April 21, 2022Date of Patent: August 6, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tung-Ting Wu, Chen-Jong Wang, Jen-Cheng Liu, Yimin Huang, Chin-Chia Kuo
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Publication number: 20240234572Abstract: An extended drain metal oxide semiconductor transistor includes a substrate. A gate is disposed on the substrate. A source doped region is disposed in the substrate at one side of the gate. A drain doped region is disposed in the substrate at another side of the gate. A thin gate dielectric layer is disposed under the gate. A thick gate dielectric layer is disposed under the gate. The thick gate dielectric layer extends from the bottom of the gate to contact the drain doped region. A second conductive type first well is disposed in the substrate and surrounds the source doped region and the drain doped region. A deep well is disposed within the substrate and surrounds the second conductive type first well.Type: ApplicationFiled: February 10, 2023Publication date: July 11, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Liang-An Huang, Ming-Hua Tsai, Wen-Fang Lee, Chin-Chia Kuo, Jung Han, Chun-Lin Chen, Ching-Chung Yang, Nien-Chung Li
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Publication number: 20240222455Abstract: A high-voltage transistor includes a well region disposed in a semiconductor substrate, a gate structure disposed above the well region, a gate oxide layer disposed between the gate structure and the well region, a first drift region, and a second drift region. A first portion of the gate oxide layer is thicker than a second portion of the gate oxide layer. A thickness of the second portion is greater than or equal to one eighth of a thickness of the first portion. The first drift region and the second drift region are disposed in the well region, at least partially located at two opposite sides of the gate structure, respectively, and disposed adjacent to the first portion and the second portion, respectively. A conductivity type of the first drift region is identical to that of the second drift region. A level-up shifting circuit includes the high-voltage transistor described above.Type: ApplicationFiled: February 9, 2023Publication date: July 4, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Wei-Hsuan Chang, Ming-Hua Tsai, Chin-Chia Kuo
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Publication number: 20240038684Abstract: A semiconductor structure including a substrate and protection structures is provided. The substrate includes a die region. The die region includes corner regions. The protection structures are located in the corner region. Each of the protection structures has a square top-view pattern. The square top-view patterns located in the same corner region have various sizes.Type: ApplicationFiled: August 16, 2022Publication date: February 1, 2024Applicant: United Microelectronics Corp.Inventors: Ming-Hua Tsai, Hao Ping Yan, Chin-Chia Kuo, Wei Hsuan Chang
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Publication number: 20240021644Abstract: Various embodiments of the present disclosure are directed towards an image sensor, and a method for forming the image sensor, in which an inter-pixel trench isolation structure is defined by a low-transmission layer. In some embodiments, the image sensor comprises an array of pixels and the inter-pixel trench isolation structure. The array of pixels is on a substrate, and the pixels of the array comprise individual photodetectors in the substrate. The inter-pixel trench isolation structure is in the substrate. Further, the inter-pixel trench isolation structure extends along boundaries of the pixels, and individually surrounds the photodetectors, to separate the photodetectors from each other. The inter-pixel trench isolation structure is defined by a low-transmission layer with low transmission for incident radiation, such that the inter-pixel trench isolation structure has low transmission for incident radiation.Type: ApplicationFiled: August 8, 2023Publication date: January 18, 2024Inventors: Cheng Yu Huang, Chun-Hao Chuang, Keng-Yu Chou, Wei-Chieh Chiang, Chin-Chia Kuo, Wen-Hau Wu, Hua-Mao Chen, Chih-Kung Chang
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Patent number: 11862654Abstract: Various embodiments of the present disclosure are directed towards an image sensor, and a method for forming the image sensor, in which an inter-pixel trench isolation structure is defined by a low-transmission layer. In some embodiments, the image sensor comprises an array of pixels and the inter-pixel trench isolation structure. The array of pixels is on a substrate, and the pixels of the array comprise individual photodetectors in the substrate. The inter-pixel trench isolation structure is in the substrate. Further, the inter-pixel trench isolation structure extends along boundaries of the pixels, and individually surrounds the photodetectors, to separate the photodetectors from each other. The inter-pixel trench isolation structure is defined by a low-transmission layer with low transmission for incident radiation, such that the inter-pixel trench isolation structure has low transmission for incident radiation.Type: GrantFiled: January 15, 2021Date of Patent: January 2, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Cheng Yu Huang, Chun-Hao Chuang, Keng-Yu Chou, Wei-Chieh Chiang, Chin-Chia Kuo, Wen-Hau Wu, Hua-Mao Chen, Chih-Kung Chang
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Publication number: 20230335609Abstract: The invention provides a transistor structure and a manufacturing method thereof. The transistor structure includes a substrate, a first gate, a second gate, a first gate dielectric layer, and a second gate dielectric layer. The first gate and the second gate are located on the substrate. The first gate dielectric layer is located between the first gate and the substrate. The first gate dielectric layer has a single thickness. The second gate dielectric layer is located between the second gate and the substrate. The second gate dielectric layer has a plurality of thicknesses. A maximum thickness of the first gate dielectric layer is the same as a maximum thickness of the second gate dielectric layer. The transistor structure may reduce process complexity.Type: ApplicationFiled: May 3, 2022Publication date: October 19, 2023Applicant: United Microelectronics Corp.Inventors: Ming-Hua Tsai, Wei Hsuan Chang, Chin-Chia Kuo
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Publication number: 20230261092Abstract: A fabricating method of a middle voltage transistor includes providing a substrate. A gate predetermined region is defined on the substrate. Next, a mask layer is formed to cover only part of the gate predetermined region. Then, a first ion implantation process is performed to implant dopants into the substrate at two sides of the mask layer to form two first lightly doping regions. After removing the mask layer, a gate is formed to overlap the entirety gate predetermined region. Subsequently, two second lightly doping regions respectively formed within one of the first lightly doping regions. Next, two source/drain doping regions are respectively formed within one of the second lightly doping regions. Finally, two silicide layers are formed to respectively cover one of the source/drain doping regions.Type: ApplicationFiled: March 15, 2022Publication date: August 17, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Wei-Hsuan Chang, Hao-Ping Yan, Ming-Hua Tsai, Chin-Chia Kuo
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Publication number: 20230033270Abstract: The present disclosure relates to an integrated chip. The integrated chip includes a sensor semiconductor layer. The sensor semiconductor layer is doped with a first dopant. A photodetector is along a frontside of the sensor semiconductor layer. A backside semiconductor layer is along a backside of the sensor semiconductor layer, opposite the frontside. The backside semiconductor layer is doped with a second dopant. A diffusion barrier structure is between the sensor semiconductor layer and the backside semiconductor layer. The diffusion barrier structure includes a third dopant different from the first dopant and the second dopant.Type: ApplicationFiled: February 25, 2022Publication date: February 2, 2023Inventors: Yu-Hung Cheng, Ching I Li, Chen-Hao Chiang, Eugene I-Chun Chen, Chin-Chia Kuo
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Patent number: 11569380Abstract: A semiconductor structure is provided, and the semiconductor structure includes a substrate, and an active area is defined thereon, a gate structure spanning the active area, wherein the overlapping range of the gate structure and the active area is defined as an overlapping region, and the overlapping region includes four corners, and at least one salicide block covering the four corners of the overlapping region.Type: GrantFiled: July 2, 2021Date of Patent: January 31, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Wei-Hsuan Chang, Ming-Hua Tsai, Chin-Chia Kuo
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Publication number: 20230006062Abstract: A semiconductor structure is provided, and the semiconductor structure includes a substrate, and an active area is defined thereon, a gate structure spanning the active area, wherein the overlapping range of the gate structure and the active area is defined as an overlapping region, and the overlapping region includes four corners, and at least one salicide block covering the four corners of the overlapping region.Type: ApplicationFiled: July 2, 2021Publication date: January 5, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Wei-Hsuan Chang, Ming-Hua Tsai, Chin-Chia Kuo
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Patent number: 11545447Abstract: A semiconductor device includes a substrate, a first isolation structure, a second isolation structure and a dummy pattern. The substrate includes a first part surrounding a second part at a top view. The first isolation structure is disposed between the first part and the second part, to isolate the first part from the second part. The second isolation structure is disposed at at least one corner of the first part. The dummy pattern is disposed on the second isolation structure. The present invention also provides a method of forming said semiconductor device.Type: GrantFiled: August 4, 2021Date of Patent: January 3, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Wei-Hsuan Chang, Ming-Hua Tsai, Chin-Chia Kuo
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Publication number: 20220278161Abstract: The present disclosure describes a semiconductor device that includes a first die bonded to a second die with interconnect structures in the first die. The first die includes a photodiode having first and second electrodes on a first side of a first dielectric layer, and first, second, and third interconnect structures in the first dielectric layer. The first and second interconnect structures are connected to the first and second electrodes, respectively. The second electrode has a polarity opposite to the first electrode. The second and third interconnect structures extend to a second side opposite to the first side of the first dielectric layer. The second die includes a second dielectric layer and a fourth interconnect structure in the second dielectric layer. The second dielectric layer is bonded to the second side of the first dielectric layer. The fourth interconnect structure connects the second and third interconnect structures.Type: ApplicationFiled: December 30, 2021Publication date: September 1, 2022Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Kuo-Chin HUANG, Tzu-Jui WANG, Hua-Mao CHEN, Chin-Chia KUO, Yuichiro YAMASHITA
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Publication number: 20220246549Abstract: Various embodiments of the present disclosure are directed towards a method for forming a semiconductor device, the method including forming a plurality of photodetectors in a substrate. A device isolation structure is formed within the substrate. The device isolation structure laterally wraps around the plurality of photodetectors. An outer isolation structure is formed within the substrate. The device isolation structure is spaced between sidewalls of the outer isolation structure. The device isolation structure and the outer isolation structure comprise a dielectric material.Type: ApplicationFiled: April 21, 2022Publication date: August 4, 2022Inventors: Tung-Ting Wu, Chen-Jong Wang, Jen-Cheng Liu, Yimin Huang, Chin-Chia Kuo
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Publication number: 20220231066Abstract: Various embodiments of the present disclosure are directed towards an image sensor, and a method for forming the image sensor, in which an inter-pixel trench isolation structure is defined by a low-transmission layer. In some embodiments, the image sensor comprises an array of pixels and the inter-pixel trench isolation structure. The array of pixels is on a substrate, and the pixels of the array comprise individual photodetectors in the substrate. The inter-pixel trench isolation structure is in the substrate. Further, the inter-pixel trench isolation structure extends along boundaries of the pixels, and individually surrounds the photodetectors, to separate the photodetectors from each other. The inter-pixel trench isolation structure is defined by a low-transmission layer with low transmission for incident radiation, such that the inter-pixel trench isolation structure has low transmission for incident radiation.Type: ApplicationFiled: January 15, 2021Publication date: July 21, 2022Inventors: Cheng Yu Huang, Chun-Hao Chuang, Keng-Yu Chou, Wei-Chieh Chiang, Chin-Chia Kuo, Wen-Hau Wu, Hua-Mao Chen, Chih-Kung Chang
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Patent number: 11348881Abstract: Various embodiments of the present disclosure are directed towards a semiconductor structure including a crack-stop structure disposed within a semiconductor substrate. The semiconductor substrate has a back-side surface and a front-side surface opposite the back-side surface. Photodetectors are disposed within the semiconductor substrate and are laterally spaced within a device region. An interconnect structure is disposed along the front-side surface. The interconnect structure includes a seal ring structure. A crack-stop structure is disposed within the semiconductor substrate and overlies the seal ring structure. The crack-stop structure continuously extends around the device region.Type: GrantFiled: October 1, 2019Date of Patent: May 31, 2022Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tung-Ting Wu, Chen-Jong Wang, Jen-Cheng Liu, Yimin Huang, Chin-Chia Kuo
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Publication number: 20210366843Abstract: A semiconductor device includes a substrate, a first isolation structure, a second isolation structure and a dummy pattern. The substrate includes a first part surrounding a second part at a top view. The first isolation structure is disposed between the first part and the second part, to isolate the first part from the second part. The second isolation structure is disposed at at least one corner of the first part. The dummy pattern is disposed on the second isolation structure. The present invention also provides a method of forming said semiconductor device.Type: ApplicationFiled: August 4, 2021Publication date: November 25, 2021Applicant: UNITED MICROELECTRONICS CORP.Inventors: Wei-Hsuan Chang, Ming-Hua Tsai, Chin-Chia Kuo
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Publication number: 20210351218Abstract: The present disclosure relates to a semiconductor device including a semiconductor substrate. A grid structure extends from a first side of the semiconductor substrate to within the semiconductor substrate. An image sensing element is disposed within the semiconductor substrate and is laterally surrounded by the grid structure. A plurality of protrusions are arranged along the first side of the semiconductor substrate. The plurality of protrusions are disposed over the image sensing element and are laterally surrounded by the grid structure. The plurality of protrusions are substantially identical to one another and have a characteristic dimension. An inner surface of the grid structure facing the image sensing element is spaced apart from a point of one of the plurality of protrusions by a predetermined reflective length that is based on the characteristic dimension of the plurality of protrusions.Type: ApplicationFiled: July 20, 2021Publication date: November 11, 2021Inventors: Chin-Chia Kuo, Jhy-Jyi Sze, Tung-Ting Wu, Yimin Huang
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Patent number: 11114390Abstract: A semiconductor device includes a substrate, a first isolation structure, a second isolation structure and a dummy pattern. The substrate includes a first part surrounding a second part at a top view. The first isolation structure is disposed between the first part and the second part, to isolate the first part from the second part. The second isolation structure is disposed at at least one corner of the first part. The dummy pattern is disposed on the second isolation structure. The present invention also provides a method of forming said semiconductor device.Type: GrantFiled: January 9, 2020Date of Patent: September 7, 2021Assignee: UNITED MICROELECTRONICS CORP.Inventors: Wei-Hsuan Chang, Ming-Hua Tsai, Chin-Chia Kuo