Patents by Inventor Kuo-Yuh Yang
Kuo-Yuh Yang 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: 20240120405Abstract: A semiconductor device includes a gate structure on a substrate, in which the gate structure includes a main branch extending along a first direction on the substrate and a sub-branch extending along a second direction adjacent to the main branch. The semiconductor device also includes a first doped region overlapping the main branch and the sub-branch according to a top view and a second doped region overlapping the first doped region.Type: ApplicationFiled: December 18, 2023Publication date: April 11, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Heng-Ching Lin, Yu-Teng Tseng, Chu-Chun Chang, Kuo-Yuh Yang, Chia-Huei Lin
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Patent number: 11894439Abstract: A semiconductor device includes a gate structure on a substrate, in which the gate structure includes a main branch extending along a first direction on the substrate and a sub-branch extending along a second direction adjacent to the main branch. The semiconductor device also includes a first doped region overlapping the main branch and the sub-branch according to a top view and a second doped region overlapping the first doped region.Type: GrantFiled: October 13, 2020Date of Patent: February 6, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Heng-Ching Lin, Yu-Teng Tseng, Chu-Chun Chang, Kuo-Yuh Yang, Chia-Huei Lin
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Patent number: 11848253Abstract: A semiconductor structure with an air gap includes a dielectric stack having a first dielectric layer on a substrate, a second dielectric layer on the first dielectric layer, and a third dielectric layer on the second dielectric layer. A first conductive layer and a second conductive layer are disposed in the dielectric stack. The first conductive layer and the second conductive layer are coplanar. A cross-like-shaped air gap is disposed in the dielectric stack between the first and second conductive layers. An oxide layer is disposed on a sidewall of the second dielectric layer within the cross-like-shaped air gap.Type: GrantFiled: November 8, 2021Date of Patent: December 19, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Ching-Pin Hsu, Chih-Jung Wang, Chu-Chun Chang, Kuo-Yuh Yang, Chia-Huei Lin, Purakh Raj Verma
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Patent number: 11721757Abstract: A LDMOS device includes a semiconductor layer on an insulation layer and a ring shape gate on the semiconductor layer. The ring shape gate includes a first gate portion, a second gate portion, and two third gate portions connecting the first gate portion and the second gate portion. The semiconductor device further includes a first drain region and a second drain region formed in the semiconductor layer at two sides of the ring shape gate, a plurality of source regions formed in the semiconductor layer surrounded by the ring shape gate, a plurality of body contact regions formed in the semiconductor layer and arranged between the source regions, and a first body implant region and a second body implant region formed in the semiconductor layer, respectively underlying part of the first gate portion and part of the second gate portion, and being connected by the body contact regions.Type: GrantFiled: August 2, 2021Date of Patent: August 8, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Chia-Huei Lin, Kuo-Yuh Yang
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Publication number: 20230230938Abstract: A method for fabricating an integrated circuit device is disclosed. A substrate is provided and an integrated circuit area is formed on the substrate. The integrated circuit area includes a dielectric stack. A seal ring is formed in the dielectric stack and around a periphery of the integrated circuit area. A trench is formed around the seal ring and exposing a sidewall of the dielectric stack. The trench is formed within a scribe line. A moisture blocking layer is formed on the sidewall of the dielectric stack, thereby sealing a boundary between two adjacent dielectric films in the dielectric stack.Type: ApplicationFiled: March 19, 2023Publication date: July 20, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Kuo-Yuh Yang, Chia-Huei Lin, Chu-Chun Chang
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Patent number: 11658118Abstract: A semiconductor device includes a first gate line and a second gate line extending along a first direction, a third gate line extending along a second direction and between and directly contacting the first gate line and the second gate line, a drain region adjacent to one side of the third gate line, a fourth gate line extending along the second direction and between and directly contacting the first gate line and the second gate line, and a first metal interconnection extending along the second direction between the third gate line and the fourth gate line. Preferably, the third gate line includes a first protrusion and the fourth gate line includes a second protrusion.Type: GrantFiled: November 8, 2021Date of Patent: May 23, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Chia-Huei Lin, Kuo-Yuh Yang
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Patent number: 11658087Abstract: A high resistivity wafer with a heat dissipation structure includes a high resistivity wafer and a metal structure. The high resistivity wafer includes a heat dissipation region and a device support region. The high resistivity wafer consists of an insulating material. The metal structure is only embedded within the heat dissipation region of the high resistivity wafer. The metal structure surrounds the device support region.Type: GrantFiled: October 27, 2020Date of Patent: May 23, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Kuo-Yuh Yang, Chia-Huei Lin
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Patent number: 11652017Abstract: A high resistivity wafer with a heat dissipation structure includes a high resistivity wafer and a metal structure. The high resistivity wafer includes a heat dissipation region and a device support region. The high resistivity wafer consists of an insulating material. The metal structure is only embedded within the heat dissipation region of the high resistivity wafer. The metal structure surrounds the device support region.Type: GrantFiled: October 27, 2020Date of Patent: May 16, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Kuo-Yuh Yang, Chia-Huei Lin
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Patent number: 11637080Abstract: A method for fabricating an integrated circuit device is disclosed. A substrate is provided and an integrated circuit area is formed on the substrate. The integrated circuit area includes a dielectric stack. A seal ring is formed in the dielectric stack and around a periphery of the integrated circuit area. A trench is formed around the seal ring and exposing a sidewall of the dielectric stack. The trench is formed within a scribe line. A moisture blocking layer is formed on the sidewall of the dielectric stack, thereby sealing a boundary between two adjacent dielectric films in the dielectric stack.Type: GrantFiled: August 16, 2021Date of Patent: April 25, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Kuo-Yuh Yang, Chia-Huei Lin, Chu-Chun Chang
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Patent number: 11521891Abstract: A semiconductor device includes: a metal-oxide semiconductor (MOS) transistor on a substrate; a deep trench isolation structure in the substrate and around the MOS transistor; and a trap rich isolation structure in the substrate and surrounding the deep trench isolation structure. Preferably, the deep trench isolation structure includes a liner in the substrate and an insulating layer on the liner, in which the top surfaces of the liner and the insulating layer are coplanar. The trap rich isolation structure is made of undoped polysilicon and the trap rich isolation structure includes a ring surrounding the deep trench isolation structure according to a top view.Type: GrantFiled: June 6, 2021Date of Patent: December 6, 2022Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Chia-Huei Lin, Kuo-Yuh Yang
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Patent number: 11476192Abstract: A semiconductor device includes: a first gate line and a second gate line extending only along a first direction, a third gate line and a fourth gate line extending along the first direction and between the first gate line and the second gate line, a fifth gate line and a sixth gate line extending along a second direction between the first gate line and the second gate line and intersecting the third gate line and the fourth gate line, and first contact plugs on the first gate line. Preferably, the first direction is perpendicular to the second direction and the first gate line and the second gate line are directly connected to the fifth gate line and the sixth gate line.Type: GrantFiled: January 5, 2020Date of Patent: October 18, 2022Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Chia-Huei Lin, Kuo-Yuh Yang
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Patent number: 11462489Abstract: A method of forming integrated circuit device, including: providing a substrate; forming an integrated circuit region on the substrate, the integrated circuit region comprising a dielectric stack; forming a seal ring in the dielectric stack and around a periphery of the integrated circuit region; forming a trench around the seal ring and the trench exposing a sidewall of the dielectric stack; forming a moisture blocking layer continuously covering the integrated circuit region and extending to the sidewall of the dielectric stack, thereby sealing a boundary between two adjacent dielectric films in the dielectric stack; and forming a passivation layer over the moisture blocking layer.Type: GrantFiled: August 13, 2021Date of Patent: October 4, 2022Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Kuo-Yuh Yang, Chia-Huei Lin, Chu-Chun Chang
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Publication number: 20220085184Abstract: A semiconductor device includes a gate structure on a substrate, in which the gate structure includes a main branch extending along a first direction on the substrate and a sub-branch extending along a second direction adjacent to the main branch. The semiconductor device also includes a first doped region overlapping the main branch and the sub-branch according to a top view and a second doped region overlapping the first doped region.Type: ApplicationFiled: October 13, 2020Publication date: March 17, 2022Inventors: Heng-Ching Lin, Yu-Teng Tseng, Chu-Chun Chang, Kuo-Yuh Yang, Chia-Huei Lin
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Publication number: 20220068766Abstract: A semiconductor structure with an air gap includes a dielectric stack having a first dielectric layer on a substrate, a second dielectric layer on the first dielectric layer, and a third dielectric layer on the second dielectric layer. A first conductive layer and a second conductive layer are disposed in the dielectric stack. The first conductive layer and the second conductive layer are coplanar. A cross-like-shaped air gap is disposed in the dielectric stack between the first and second conductive layers. An oxide layer is disposed on a sidewall of the second dielectric layer within the cross-like-shaped air gap.Type: ApplicationFiled: November 8, 2021Publication date: March 3, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Ching-Pin Hsu, Chih-Jung Wang, Chu-Chun Chang, Kuo-Yuh Yang, Chia-Huei Lin, Purakh Raj Verma
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Publication number: 20220059459Abstract: A semiconductor device includes a first gate line and a second gate line extending along a first direction, a third gate line extending along a second direction and between and directly contacting the first gate line and the second gate line, a drain region adjacent to one side of the third gate line, a fourth gate line extending along the second direction and between and directly contacting the first gate line and the second gate line, and a first metal interconnection extending along the second direction between the third gate line and the fourth gate line. Preferably, the third gate line includes a first protrusion and the fourth gate line includes a second protrusion.Type: ApplicationFiled: November 8, 2021Publication date: February 24, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Chia-Huei Lin, Kuo-Yuh Yang
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Patent number: 11205609Abstract: A semiconductor structure with an air gap includes a dielectric stack having a first dielectric layer on a substrate, a second dielectric layer on the first dielectric layer, and a third dielectric layer on the second dielectric layer. A first conductive layer and a second conductive layer are disposed in the dielectric stack. The first conductive layer and the second conductive layer are coplanar. A cross-like-shaped air gap is disposed in the dielectric stack between the first and second conductive layers. An oxide layer is disposed on a sidewall of the second dielectric layer within the cross-like-shaped air gap.Type: GrantFiled: March 31, 2020Date of Patent: December 21, 2021Assignee: UNITED MICROELECTRONICS CORP.Inventors: Ching-Pin Hsu, Chih-Jung Wang, Chu-Chun Chang, Kuo-Yuh Yang, Chia-Huei Lin, Purakh Raj Verma
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Patent number: 11205605Abstract: A semiconductor structure with a back gate includes a device wafer includes a front side and a back side. A transistor is disposed on the front side, wherein the transistor includes a gate structure, a source and a drain. An interlayer dielectric covers the transistor. A first metal layer and a second metal layer are within the interlayer dielectric. A first conductive plug is within the interlayer dielectric and contacts the source and the first metal layer. A second conductive plug is disposed within the interlayer dielectric and contacts the drain and the second metal layer. A back gate, a source conductive pad and a drain conductive pad are disposed on the back side. A first via plug penetrates the device wafer to electrically connect the source conductive pad and the source. A second via plug penetrates the device wafer to electrically connect the drain conductive pad and the drain.Type: GrantFiled: April 6, 2020Date of Patent: December 21, 2021Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Kuo-Yuh Yang, Chia-Huei Lin
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Patent number: 11201115Abstract: A semiconductor device includes: a first gate line and a second gate line extending along a first direction, a third gate extending along a second direction and between the first gate line and the second gate line, and a drain region adjacent to one side of the third gate line. Preferably, the third gate line includes a first protrusion overlapping the drain region.Type: GrantFiled: September 6, 2018Date of Patent: December 14, 2021Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Chia-Huei Lin, Kuo-Yuh Yang
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Publication number: 20210384093Abstract: An integrated circuit device includes a substrate; an integrated circuit area disposed on the substrate and comprising a dielectric stack; a seal ring disposed in the dielectric stack and around a periphery of the integrated circuit area; a cap layer on the dielectric stack; a trench around the seal ring and exposing a sidewall of the dielectric stack; a memory storage structure disposed on the cap layer; and a moisture blocking layer continuously covering the integrated circuit area and the memory storage structure. The moisture blocking layer extends to the sidewall of the dielectric stack, thereby sealing a boundary between two adjacent dielectric films in the dielectric stack.Type: ApplicationFiled: August 19, 2021Publication date: December 9, 2021Applicant: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Kuo-Yuh Yang, Chia-Huei Lin, Chu-Chun Chang
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Publication number: 20210384146Abstract: An integrated circuit device includes a substrate; an integrated circuit region on the substrate, said integrated circuit region comprising a dielectric stack; a seal ring disposed in said dielectric stack and around a periphery of the integrated circuit region; a trench around the seal ring and exposing a sidewall of the dielectric stack; and a moisture blocking layer continuously covering the integrated circuit region and extending to the sidewall of the dielectric stack, thereby sealing a boundary between two adjacent dielectric films in the dielectric stack.Type: ApplicationFiled: August 23, 2021Publication date: December 9, 2021Applicant: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Kuo-Yuh Yang, Chia-Huei Lin, Chu-Chun Chang