Patents by Inventor Ching-Yang Wen
Ching-Yang Wen 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: 12191195Abstract: A method of fabricating an air gap includes receiving a first thickness information of an inter-metal dielectric layer formed on a substrate and receiving a second thickness information of an inter-layer dielectric layer formed on the substrate. Then, a first etching is performed, wherein the first etching includes etch the inter-metal dielectric layer based on a first etching control value corresponding to the first thickness information. After the first etching, a second etching is performed to etch the inter-layer dielectric layer based on a second etching control value corresponding to the second thickness information.Type: GrantFiled: August 23, 2021Date of Patent: January 7, 2025Assignee: UNITED MICROELECTRONICS CORP.Inventors: Bo Tao, Runshun Wang, Li Wang, Ching-Yang Wen, Purakh Raj Verma, Dong Yin, Jian Xie
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Patent number: 12080622Abstract: A semiconductor structure includes a glass substrate and a device structure. The glass substrate includes a glass layer, a heat dissipation layer and a silicon nitride layer stacked from bottom to top. The device structure includes at least one semiconductor device integrated in a device layer situated over the silicon nitride layer of the glass substrate. Or, the glass substrate includes a glass layer and a silicon nitride layer stacked from bottom to top. The device structure includes at least one semiconductor device integrated in a device layer, and a heat dissipation layer is stacked on the device layer, wherein the heat dissipation layer is bonded with the silicon nitride layer of the glass substrate. The present invention also provides a method of wafer bonding for manufacturing said semiconductor structure.Type: GrantFiled: April 18, 2023Date of Patent: September 3, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Chia-Liang Liao, Purakh Raj Verma, Ching-Yang Wen, Chee Hau Ng
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Publication number: 20240234350Abstract: A semiconductor device includes a first wafer having a deep trench capacitor and a second wafer bonded to the first wafer, in which the second wafer includes a first active device on a first silicon-on-insulator (SOI) substrate and a first metal interconnection connected to the first active device and the deep trench capacitor. The first wafer further includes the deep trench capacitor disposed in a substrate, a first inter-layer dielectric (ILD) layer on the deep trench capacitor, a first inter-metal dielectric (IMD) layer on the first ILD layer, and a second metal interconnection in the first ILD layer and the first IMD layer.Type: ApplicationFiled: November 17, 2022Publication date: July 11, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Ching-Yang Wen, XINGXING CHEN
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Publication number: 20240178137Abstract: A method for determining antenna rule for a radio-frequency (RF) device includes the steps of forming a gate structure on a substrate, forming a source/drain region adjacent to the gate structure, forming a first metal routing on the source/drain region, and then forming a second metal routing on the gate structure. Preferably, a sum of an area of the first metal routing and an area of the second metal routing divided by an area of the gate structure is less than a ratio.Type: ApplicationFiled: February 10, 2023Publication date: May 30, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: XINGXING CHEN, Ching-Yang Wen, Purakh Raj Verma
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Publication number: 20240170490Abstract: A semiconductor structure includes a semiconductor on insulator (SOI) substrate, a first electrically conductive structure, and a second electrically conductive structure. The SOI substrate includes a base substrate, a buried insulation layer disposed on the base substrate, a semiconductor layer disposed on the buried insulation layer, and a trap rich layer disposed between the buried insulation layer and the base substrate. At least a part of the first electrically conductive structure and at least a part of the second electrically conductive structure are disposed in the trap rich layer. A part of the trap rich layer is disposed between the first electrically conductive structure and the second electrically conductive structure. The first electrically conductive structure, the second electrically conductive structure, and the trap rich layer disposed between the first electrically conductive structure and the second electrically conductive structure are at least a portion of an anti-fuse structure.Type: ApplicationFiled: January 29, 2024Publication date: May 23, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: BO TAO, Li Wang, Ching-Yang Wen, Purakh Raj Verma, Zhibiao Zhou, Dong Yin, Gang Ren, Jian Xie
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Publication number: 20240136312Abstract: A semiconductor device includes a first wafer having a deep trench capacitor and a second wafer bonded to the first wafer, in which the second wafer includes a first active device on a first silicon-on-insulator (SOI) substrate and a first metal interconnection connected to the first active device and the deep trench capacitor. The first wafer further includes the deep trench capacitor disposed in a substrate, a first inter-layer dielectric (ILD) layer on the deep trench capacitor, a first inter-metal dielectric (IMD) layer on the first ILD layer, and a second metal interconnection in the first ILD layer and the first IMD layer.Type: ApplicationFiled: November 17, 2022Publication date: April 25, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Ching-Yang Wen, XINGXING CHEN
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Patent number: 11955292Abstract: A structure of capacitors connected in parallel includes a substrate. A trench embedded in the substrate. Numerous electrode layers respectively conformally fill in and cover the trench. The electrode layers are formed of numerous nth electrode layers, wherein n is a positive integer from 1 to M, and M is not less than 3. The nth electrode layer with smaller n is closer to the sidewall of the trench. When n equals to M, the Mth electrode layer fills in the center of the trench, and the top surface of the Mth electrode is aligned with the top surface of the substrate. A capacitor dielectric layer is disposed between the adjacent electrode layers. A first conductive plug contacts the nth electrode layer with odd-numbered n. A second conductive plug contacts the nth electrode layer with even-numbered n.Type: GrantFiled: November 15, 2022Date of Patent: April 9, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Ching-Yang Wen, Xingxing Chen, Chao Jin
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Patent number: 11929213Abstract: A structure of capacitors connected in parallel includes a substrate. A trench embedded in the substrate. Numerous electrode layers respectively conformally fill in and cover the trench. The electrode layers are formed of numerous nth electrode layers, wherein n is a positive integer from 1 to M, and M is not less than 3. The nth electrode layer with smaller n is closer to the sidewall of the trench. When n equals to M, the Mth electrode layer fills in the center of the trench, and the top surface of the Mth electrode is aligned with the top surface of the substrate. A capacitor dielectric layer is disposed between the adjacent electrode layers. A first conductive plug contacts the nth electrode layer with odd-numbered n. A second conductive plug contacts the nth electrode layer with even-numbered n.Type: GrantFiled: April 21, 2020Date of Patent: March 12, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Ching-Yang Wen, Xingxing Chen, Chao Jin
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Patent number: 11923373Abstract: A semiconductor structure includes a semiconductor on insulator (SOI) substrate, a first electrically conductive structure, and a second electrically conductive structure. The SOI substrate includes a base substrate, a buried insulation layer disposed on the base substrate, a semiconductor layer disposed on the buried insulation layer, and a trap rich layer disposed between the buried insulation layer and the base substrate. At least a part of the first electrically conductive structure and at least a part of the second electrically conductive structure are disposed in the trap rich layer. A part of the trap rich layer is disposed between the first electrically conductive structure and the second electrically conductive structure. The first electrically conductive structure, the second electrically conductive structure, and the trap rich layer disposed between the first electrically conductive structure and the second electrically conductive structure are at least a portion of an anti-fuse structure.Type: GrantFiled: October 14, 2021Date of Patent: March 5, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Bo Tao, Li Wang, Ching-Yang Wen, Purakh Raj Verma, Zhibiao Zhou, Dong Yin, Gang Ren, Jian Xie
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Publication number: 20240047266Abstract: A method of forming a protective layer utilized in a silicon remove process includes bonding a first wafer to a second wafer, wherein the first wafer comprises a first silicon substrate with a first device structure disposed thereon and the second wafer comprises a second silicon substrate with a second device structure disposed thereon. After that, a first trim process is performed to thin laterally an edge of the first wafer and an edge of the second device structure. After the first trim process, a protective layer is formed to cover a back side of the second silicon substrate. After forming the protective layer, a silicon remove process is performed to remove only the first silicon substrate.Type: ApplicationFiled: August 4, 2022Publication date: February 8, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Chia-Liang Liao, Chee Hau Ng, Ching-Yang Wen, Purakh Raj Verma
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Publication number: 20240038832Abstract: A semiconductor device includes a substrate, a high-Q capacitor, an ultra high density capacitor, and an interconnection. At least one trench is formed in the substrate. The high-Q capacitor is disposed on a surface of the substrate, and includes a bottom electrode, an upper electrode located on the bottom electrode, and a first dielectric layer located between the upper and bottom electrodes. The ultra high density capacitor is disposed on the trench of the substrate, and includes a first electrode conformally deposited in the trench, a second electrode located on the first electrode, and a second dielectric layer located between the first and second electrodes. The interconnection connects one of the upper electrode and the bottom electrode to one of the first electrode and the second electrode, and connects the other of the upper electrode and the bottom electrode to the other of the first electrode and the second electrode.Type: ApplicationFiled: August 21, 2022Publication date: February 1, 2024Applicant: United Microelectronics Corp.Inventors: Purakh Raj Verma, Ching-Yang Wen, Chee-Hau Ng, Chin-Wei Ho
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Patent number: 11881529Abstract: A method of fabricating a semiconductor device is provided. First, a semiconductor structure is provided, and the semiconductor structure includes a buried dielectric layer, a first gate structure disposed on a front-side of the buried dielectric layer, and a first source/drain region and a second source/drain region disposed between the buried dielectric layer and the first gate structure. Then, a trench is formed in the buried dielectric layer. Afterwards, a conductive layer is formed on the buried dielectric layer and in the trench. Finally, the conductive layer is patterned.Type: GrantFiled: September 5, 2022Date of Patent: January 23, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Ching-Yang Wen, Li Wang, Kai Cheng
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Publication number: 20230268246Abstract: A semiconductor structure includes a glass substrate and a device structure. The glass substrate includes a glass layer, a heat dissipation layer and a silicon nitride layer stacked from bottom to top. The device structure includes at least one semiconductor device integrated in a device layer situated over the silicon nitride layer of the glass substrate. Or, the glass substrate includes a glass layer and a silicon nitride layer stacked from bottom to top. The device structure includes at least one semiconductor device integrated in a device layer, and a heat dissipation layer is stacked on the device layer, wherein the heat dissipation layer is bonded with the silicon nitride layer of the glass substrate. The present invention also provides a method of wafer bonding for manufacturing said semiconductor structure.Type: ApplicationFiled: April 18, 2023Publication date: August 24, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Chia-Liang Liao, Purakh Raj Verma, Ching-Yang Wen, Chee Hau Ng
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Patent number: 11715709Abstract: A radiofrequency device includes a buried insulation layer, a transistor, a contact structure, a connection bump, an interlayer dielectric layer, and a mold compound layer. The buried insulation layer has a first side and a second side opposite to the first side in a thickness direction of the buried insulation layer. The transistor is disposed on the first side of the buried insulation layer. The contact structure penetrates the buried insulation layer and is electrically connected with the transistor. The connection bump is disposed on the second side of the buried insulation layer and electrically connected with the contact structure. The interlayer dielectric layer is disposed on the first side of the buried insulation layer and covers the transistor. The mold compound layer is disposed on the interlayer dielectric layer. The mold compound layer may be used to improve operation performance and reduce manufacturing cost of the radiofrequency device.Type: GrantFiled: April 7, 2022Date of Patent: August 1, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Wen-Shen Li, Ching-Yang Wen
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Patent number: 11670567Abstract: A semiconductor structure includes a glass substrate and a device wafer. The glass substrate includes a glass layer, a heat dissipation layer and a silicon nitride layer stacked from bottom to top. The device wafer includes at least one semiconductor device integrated in a device layer situated over the silicon nitride layer of the glass substrate. Or, the glass substrate includes a glass layer and a silicon nitride layer stacked from bottom to top. The device wafer includes at least one semiconductor device integrated in a device layer, and a heat dissipation layer is stacked on the device layer, wherein the heat dissipation layer is bonded with the silicon nitride layer of the glass substrate. The present invention also provides a method of wafer bonding for manufacturing said semiconductor structure.Type: GrantFiled: July 9, 2020Date of Patent: June 6, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Chia-Liang Liao, Purakh Raj Verma, Ching-Yang Wen, Chee Hau Ng
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Publication number: 20230082878Abstract: A semiconductor structure includes a semiconductor on insulator (SOI) substrate, a first electrically conductive structure, and a second electrically conductive structure. The SOI substrate includes a base substrate, a buried insulation layer disposed on the base substrate, a semiconductor layer disposed on the buried insulation layer, and a trap rich layer disposed between the buried insulation layer and the base substrate. At least a part of the first electrically conductive structure and at least a part of the second electrically conductive structure are disposed in the trap rich layer. A part of the trap rich layer is disposed between the first electrically conductive structure and the second electrically conductive structure. The first electrically conductive structure, the second electrically conductive structure, and the trap rich layer disposed between the first electrically conductive structure and the second electrically conductive structure are at least a portion of an anti-fuse structure.Type: ApplicationFiled: October 14, 2021Publication date: March 16, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: BO TAO, Li Wang, Ching-Yang Wen, Purakh Raj Verma, ZHIBIAO ZHOU, DONG YIN, Gang Ren, Jian Xie
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Publication number: 20230071686Abstract: A structure of capacitors connected in parallel includes a substrate. A trench embedded in the substrate. Numerous electrode layers respectively conformally fill in and cover the trench. The electrode layers are formed of numerous nth electrode layers, wherein n is a positive integer from 1 to M, and M is not less than 3. The nth electrode layer with smaller n is closer to the sidewall of the trench. When n equals to M, the Mth electrode layer fills in the center of the trench, and the top surface of the Mth electrode is aligned with the top surface of the substrate. A capacitor dielectric layer is disposed between the adjacent electrode layers. A first conductive plug contacts the nth electrode layer with odd-numbered n. A second conductive plug contacts the nth electrode layer with even-numbered n.Type: ApplicationFiled: November 15, 2022Publication date: March 9, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Ching-Yang Wen, XINGXING CHEN, CHAO JIN
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Publication number: 20230058468Abstract: A method of fabricating an air gap includes receiving a first thickness information of an inter-metal dielectric layer formed on a substrate and receiving a second thickness information of an inter-layer dielectric layer formed on the substrate. Then, a first etching is performed, wherein the first etching includes etch the inter-metal dielectric layer based on a first etching control value corresponding to the first thickness information. After the first etching, a second etching is performed to etch the inter-layer dielectric layer based on a second etching control value corresponding to the second thickness information.Type: ApplicationFiled: August 23, 2021Publication date: February 23, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: BO TAO, RUNSHUN WANG, Li Wang, Ching-Yang Wen, Purakh Raj Verma, DONG YIN, Jian Xie
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Publication number: 20220416081Abstract: A method of fabricating a semiconductor device is provided. First, a semiconductor structure is provided, and the semiconductor structure includes a buried dielectric layer, a first gate structure disposed on a front-side of the buried dielectric layer, and a first source/drain region and a second source/drain region disposed between the buried dielectric layer and the first gate structure. Then, a trench is formed in the buried dielectric layer. Afterwards, a conductive layer is formed on the buried dielectric layer and in the trench. Finally, the conductive layer is patterned.Type: ApplicationFiled: September 5, 2022Publication date: December 29, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Ching-Yang Wen, Li Wang, Kai Cheng
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Patent number: 11476363Abstract: A semiconductor device includes a buried dielectric layer, a first gate structure, a second gate structure, a first source/drain region, a second source/drain region, a trench, and a contact layer. The first gate structure is disposed on a front-side of the buried dielectric layer, and the second gate structure is disposed on a backside of the buried dielectric layer. The first source/drain region and a second source/drain region are disposed between the first gate structure and the second gate structure. The trench is formed in the buried dielectric layer, and the contact layer is disposed in the trench and electrically coupled to the second source/drain region, where the contact structure and the second gate structure are formed of the same material.Type: GrantFiled: December 9, 2020Date of Patent: October 18, 2022Assignee: UNITED MICROELECTRONICS CORP.Inventors: Purakh Raj Verma, Ching-Yang Wen, Li Wang, Kai Cheng