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).

  • Publication number: 20240136312
    Abstract: 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: Application
    Filed: November 17, 2022
    Publication date: April 25, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Ching-Yang Wen, XINGXING CHEN
  • Patent number: 11955292
    Abstract: 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: Grant
    Filed: November 15, 2022
    Date of Patent: April 9, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Ching-Yang Wen, Xingxing Chen, Chao Jin
  • Patent number: 11929213
    Abstract: 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: Grant
    Filed: April 21, 2020
    Date of Patent: March 12, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Ching-Yang Wen, Xingxing Chen, Chao Jin
  • Patent number: 11923373
    Abstract: 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: Grant
    Filed: October 14, 2021
    Date of Patent: March 5, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Bo Tao, Li Wang, Ching-Yang Wen, Purakh Raj Verma, Zhibiao Zhou, Dong Yin, Gang Ren, Jian Xie
  • Publication number: 20240047266
    Abstract: 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: Application
    Filed: August 4, 2022
    Publication date: February 8, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chia-Liang Liao, Chee Hau Ng, Ching-Yang Wen, Purakh Raj Verma
  • Publication number: 20240038832
    Abstract: 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: Application
    Filed: August 21, 2022
    Publication date: February 1, 2024
    Applicant: United Microelectronics Corp.
    Inventors: Purakh Raj Verma, Ching-Yang Wen, Chee-Hau Ng, Chin-Wei Ho
  • Patent number: 11881529
    Abstract: 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: Grant
    Filed: September 5, 2022
    Date of Patent: January 23, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Ching-Yang Wen, Li Wang, Kai Cheng
  • Publication number: 20230268246
    Abstract: 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: Application
    Filed: April 18, 2023
    Publication date: August 24, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chia-Liang Liao, Purakh Raj Verma, Ching-Yang Wen, Chee Hau Ng
  • Patent number: 11715709
    Abstract: 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: Grant
    Filed: April 7, 2022
    Date of Patent: August 1, 2023
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Wen-Shen Li, Ching-Yang Wen
  • Patent number: 11670567
    Abstract: 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: Grant
    Filed: July 9, 2020
    Date of Patent: June 6, 2023
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chia-Liang Liao, Purakh Raj Verma, Ching-Yang Wen, Chee Hau Ng
  • Publication number: 20230082878
    Abstract: 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: Application
    Filed: October 14, 2021
    Publication date: March 16, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: BO TAO, Li Wang, Ching-Yang Wen, Purakh Raj Verma, ZHIBIAO ZHOU, DONG YIN, Gang Ren, Jian Xie
  • Publication number: 20230071686
    Abstract: 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: Application
    Filed: November 15, 2022
    Publication date: March 9, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Ching-Yang Wen, XINGXING CHEN, CHAO JIN
  • Publication number: 20230058468
    Abstract: 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: Application
    Filed: August 23, 2021
    Publication date: February 23, 2023
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: BO TAO, RUNSHUN WANG, Li Wang, Ching-Yang Wen, Purakh Raj Verma, DONG YIN, Jian Xie
  • Publication number: 20220416081
    Abstract: 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: Application
    Filed: September 5, 2022
    Publication date: December 29, 2022
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Ching-Yang Wen, Li Wang, Kai Cheng
  • Patent number: 11476363
    Abstract: 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: Grant
    Filed: December 9, 2020
    Date of Patent: October 18, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Ching-Yang Wen, Li Wang, Kai Cheng
  • Patent number: 11398548
    Abstract: A semiconductor device and a method for manufacturing the semiconductor device are provided. The semiconductor device includes an insulating layer, a semiconductor layer, a plurality of isolation structures, a transistor, a first contact, a plurality of silicide layers, and a protective layer. The semiconductor layer is disposed on a front side of the insulating layer. The plurality of isolation structures are disposed in the semiconductor layer. The transistor is disposed on the semiconductor layer. The first contact is disposed beside the transistor and passes through one of the plurality of isolation structures and the insulating layer therebelow. The plurality of silicide layers are respectively disposed on a bottom surface of the first contact and disposed on a source, a drain, and a gate of the transistor. The protective layer is disposed between the first contact and the insulating layer.
    Type: Grant
    Filed: December 16, 2020
    Date of Patent: July 26, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Wen-Shen Li, Ching-Yang Wen, Purakh Raj Verma, Xingxing Chen, Chee-Hau Ng
  • Publication number: 20220230975
    Abstract: 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: Application
    Filed: April 7, 2022
    Publication date: July 21, 2022
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Wen-Shen Li, Ching-Yang Wen
  • Patent number: 11362048
    Abstract: 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: Grant
    Filed: September 27, 2018
    Date of Patent: June 14, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Wen-Shen Li, Ching-Yang Wen
  • Patent number: 11296023
    Abstract: A semiconductor device comprises a buried dielectric layer, a first gate structure, a second gate structure, a first source/drain region, a second source/drain region, a front-side metallization, a backside metallization, and conductive contacts. The first gate structure and the second gate structure disposed respectively in the front-side and back side of the dielectric layer, the first source/drain region and the second source/drain region are disposed between the first gate structure and the second gate structures. The front-side metallization is disposed on the front-side of the buried dielectric layer, and the backside metallization is disposed on the backside of the buried dielectric layer. The conductive contacts penetrate the buried dielectric layer and electrically couple the front-side metallization to the backside metallization.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: April 5, 2022
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Purakh Raj Verma, Ching-Yang Wen, Li Wang, Kai Cheng
  • Publication number: 20220013430
    Abstract: 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: Application
    Filed: July 9, 2020
    Publication date: January 13, 2022
    Inventors: Chia-Liang Liao, Purakh Raj Verma, Ching-Yang Wen, Chee Hau Ng