Patents by Inventor Min-Chung Cheng

Min-Chung Cheng 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).

  • Patent number: 11963345
    Abstract: The present disclosure provides a semiconductor structure having a fin structure. The semiconductor includes a substrate defined with an active region. A first gate structure is disposed in the active region and includes a dielectric material. A second gate structure is disposed in the active region and includes the dielectric material. A fin structure having a first top surface is arranged to alternate with the first gate structure and the second gate structure. The first gate structure has a second top surface and the second gate structure has a third top surface. The second top surface and the third top surface are lower than the first top surface.
    Type: Grant
    Filed: March 24, 2023
    Date of Patent: April 16, 2024
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Min-Chung Cheng
  • Publication number: 20240047350
    Abstract: The present application provides a semiconductor device and a method of manufacturing the semiconductor device. The semiconductor device includes a substrate and a wiring structure. The wiring structure includes at least one metal interconnect disposed on the substrate, at least one conductive feature disposed on the metal interconnect, and at least one diffusing barrier liner surrounding the conductive feature. The conductive feature has a head portion and a neck portion sandwiched between the metal interconnect and the head portion. The neck portion can have a first critical dimension, which gradually decreases at positions of increasing distance from the head portion.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 8, 2024
    Inventor: MIN-CHUNG CHENG
  • Publication number: 20240047355
    Abstract: The present application provides a wiring structure, a semiconductor device having the wiring structure, and a method of manufacturing the semiconductor device. The wiring structure includes a substrate, a metallic layer above the substrate, at least one first conductive feature and at least one second conductive feature. The first and second conductive features are disposed between the substrate and the metallic layer; the first conductive feature has a first critical dimension, and the second conductive feature has a second critical dimension less than the first critical dimension. An effective resistance of the wiring structure can be adjusted by changing the critical dimensions of the first and second conductive features. The semiconductor device including the wiring structure and a method of manufacturing the semiconductor device are also provided.
    Type: Application
    Filed: July 7, 2023
    Publication date: February 8, 2024
    Inventor: MIN-CHUNG CHENG
  • Publication number: 20240047352
    Abstract: The present application provides a semiconductor device and a method of manufacturing the semiconductor device. The semiconductor device includes a substrate and a wiring structure. The wiring structure includes at least one metal interconnect disposed on the substrate, at least one conductive feature disposed on the metal interconnect, and at least one diffusing barrier liner surrounding the conductive feature. The conductive feature has a head portion and a neck portion sandwiched between the metal interconnect and the head portion. The neck portion can have a first critical dimension, which gradually decreases at positions of increasing distance from the head portion.
    Type: Application
    Filed: July 7, 2023
    Publication date: February 8, 2024
    Inventor: MIN-CHUNG CHENG
  • Publication number: 20240047354
    Abstract: The present application provides a wiring structure, a semiconductor device having the wiring structure, and a method of manufacturing the semiconductor device. The wiring structure includes a substrate, a metallic layer above the substrate, at least one first conductive feature and at least one second conductive feature. The first and second conductive features are disposed between the substrate and the metallic layer; the first conductive feature has a first critical dimension, and the second conductive feature has a second critical dimension less than the first critical dimension. An effective resistance of the wiring structure can be adjusted by changing the critical dimensions of the first and second conductive features. The semiconductor device including the wiring structure and a method of manufacturing the semiconductor device are also provided.
    Type: Application
    Filed: August 3, 2022
    Publication date: February 8, 2024
    Inventor: MIN-CHUNG CHENG
  • Patent number: 11839072
    Abstract: A method for preparing a semiconductor device is provided. The method includes forming a first dielectric layer over a semiconductor substrate, and forming a conductive contact penetrating through the first dielectric layer. The method also includes forming a lower landing pad over the conductive contact, and forming a second dielectric layer covering the lower landing pad. The method further includes etching the second dielectric layer to form a first opening exposing the lower landing pad, and forming an upper landing pad in the first opening. The lower landing pad and the upper landing pad form a T-shaped landing pad structure.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: December 5, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Min-Chung Cheng
  • Patent number: 11830812
    Abstract: A semiconductor device includes a first dielectric layer disposed over a semiconductor substrate, and a conductive contact penetrating through the first dielectric layer. The semiconductor device also includes a T-shaped landing pad structure disposed over and in direct contact with the conductive contact. The T-shaped landing pad structure includes a lower landing pad and an upper landing pad disposed over the lower landing pad, and a width of the upper landing pad is greater than a width of the lower landing pad. The semiconductor device further includes a capacitor disposed over and in direct contact with the T-shaped landing pad structure, and a second dielectric layer disposed over the first dielectric layer and surrounding the T-shaped landing pad structure and the capacitor.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: November 28, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Min-Chung Cheng
  • Publication number: 20230354576
    Abstract: The present disclosure provides a method of forming a semiconductor structure. The method includes providing a substrate including an isolation region, an active region adjacent to the isolation region, and a first top surface, wherein the isolation region includes an isolation trench filled with a dielectric material, and the active region includes a gate trench filled with a gate electrode material; forming a hard mask on the substrate; and performing an etching process to partially remove portions of the dielectric material and gate electrode material exposed by the hard mask to form a second top surface of the dielectric material and a third top surface of the gate electrode material, wherein the second top surface and the third top surface are substantially at the same level and are substantially lower than the first top surface.
    Type: Application
    Filed: June 30, 2023
    Publication date: November 2, 2023
    Inventor: MIN-CHUNG CHENG
  • Publication number: 20230326853
    Abstract: A semiconductor device includes a first dielectric layer disposed over a semiconductor substrate, and a conductive contact penetrating through the first dielectric layer. The semiconductor device also includes a T-shaped landing pad structure disposed over and in direct contact with the conductive contact. The T-shaped landing pad structure includes a lower landing pad and an upper landing pad disposed over the lower landing pad, and a width of the upper landing pad is greater than a width of the lower landing pad. The semiconductor device further includes a capacitor disposed over and in direct contact with the T-shaped landing pad structure, and a second dielectric layer disposed over the first dielectric layer and surrounding the T-shaped landing pad structure and the capacitor.
    Type: Application
    Filed: April 8, 2022
    Publication date: October 12, 2023
    Inventor: MIN-CHUNG CHENG
  • Publication number: 20230328953
    Abstract: A method for preparing a semiconductor device is provided. The method includes forming a first dielectric layer over a semiconductor substrate, and forming a conductive contact penetrating through the first dielectric layer. The method also includes forming a lower landing pad over the conductive contact, and forming a second dielectric layer covering the lower landing pad. The method further includes etching the second dielectric layer to form a first opening exposing the lower landing pad, and forming an upper landing pad in the first opening.
    Type: Application
    Filed: April 8, 2022
    Publication date: October 12, 2023
    Inventor: MIN-CHUNG CHENG
  • Publication number: 20230232610
    Abstract: The present disclosure provides a semiconductor structure having a fin structure. The semiconductor includes a substrate defined with an active region. A first gate structure is disposed in the active region and includes a dielectric material. A second gate structure is disposed in the active region and includes the dielectric material. A fin structure having a first top surface is arranged to alternate with the first gate structure and the second gate structure. The first gate structure has a second top surface and the second gate structure has a third top surface. The second top surface and the third top surface are lower than the first top surface.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Inventor: MIN-CHUNG CHENG
  • Publication number: 20230207380
    Abstract: The present disclosure provides a method of manufacturing a semiconductor device. The method includes: filling a trench of a stacking structure with a bottom anti-reflection coated material to form a dummy via in the trench, in which the stacking structure includes a low-k material layer and a cap layer, and the trench runs through the low-k material layer and the cap layer; and etching the dummy via by performing a first etching process and a second etching process.
    Type: Application
    Filed: December 23, 2021
    Publication date: June 29, 2023
    Inventor: Min-Chung CHENG
  • Patent number: 11647622
    Abstract: The present disclosure provides a semiconductor structure having a fin structure and a method of manufacturing the semiconductor structure. The semiconductor includes a substrate defined with an active region. A first gate structure is disposed in the active region and includes a dielectric material. A second gate structure is disposed in the active region and includes the dielectric material. A fin structure having a first top surface is arranged to alternate with the first gate structure and the second gate structure. The first gate structure has a second top surface and the second gate structure has a third top surface. The second top surface and the third top surface are lower than the first top surface.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: May 9, 2023
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventor: Min-Chung Cheng
  • Patent number: 11488961
    Abstract: A semiconductor device includes a substrate, an oxide layer and a word line. The substrate has a plurality of protruding portions. Adjacent two of the protruding portions define a dense zone, and another adjacent two of the protruding portions define a loose zone. The oxide layer is disposed on the substrate. The word line is disposed on the substrate. A bottom surface of a portion of the word line in the dense zone and a bottom surface of a portion of the word line in the loose zone are substantially at the same height.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: November 1, 2022
    Assignee: NANYA TECHNOLOGY CORPORATION
    Inventors: Min-Chung Cheng, Chen-Tsung Liao, Cheng-Wei Chiu
  • Publication number: 20220293608
    Abstract: The present disclosure provides a method of forming a semiconductor structure. The method comprises providing a substrate comprising an isolation region, an active region adjacent to the isolation region, and a first top surface, wherein the isolation region includes an isolation trench filled with a dielectric material, and the active region includes a gate trench filled with a gate electrode material; forming a hard mask on the substrate; and performing an etching process to partially remove portions of the dielectric material and gate electrode material exposed by the hard mask to form a second top surface of the dielectric material and a third top surface of the gate electrode material, wherein the second top surface and the third top surface are substantially at the same level and are substantially lower than the first top surface.
    Type: Application
    Filed: March 15, 2021
    Publication date: September 15, 2022
    Inventor: MIN-CHUNG CHENG
  • Publication number: 20220285359
    Abstract: A semiconductor device includes a substrate, an oxide layer and a word line. The substrate has a plurality of protruding portions. Adjacent two of the protruding portions define a dense zone, and another adjacent two of the protruding portions define a loose zone. The oxide layer is disposed on the substrate. The word line is disposed on the substrate. A bottom surface of a portion of the word line in the dense zone and a bottom surface of a portion of the word line in the loose zone are substantially at the same height.
    Type: Application
    Filed: March 2, 2021
    Publication date: September 8, 2022
    Inventors: Min-Chung CHENG, Chen-Tsung LIAO, Cheng-Wei CHIU
  • Publication number: 20220115381
    Abstract: The present disclosure provides a semiconductor structure having a fin structure and a method of manufacturing the semiconductor structure. The semiconductor includes a substrate defined with an active region. A first gate structure is disposed in the active region and includes a dielectric material. A second gate structure is disposed in the active region and includes the dielectric material. A fin structure having a first top surface is arranged to alternate with the first gate structure and the second gate structure. The first gate structure has a second top surface and the second gate structure has a third top surface. The second top surface and the third top surface are lower than the first top surface.
    Type: Application
    Filed: October 9, 2020
    Publication date: April 14, 2022
    Inventor: MIN-CHUNG CHENG
  • Publication number: 20180329431
    Abstract: A thermal image positioning system and a positioning method thereof are provided. The thermal image positioning method includes: configuring a plurality of thermal image generators in a space, where the thermal image generators respectively generate a plurality of thermal images; making a carrier to move according to the thermal images, providing a thermal image receiver to respectively receive the thermal images, and respectively generating a plurality of distance information according to the thermal images; and generating coordinate information of the space according to the distance information.
    Type: Application
    Filed: July 18, 2017
    Publication date: November 15, 2018
    Applicant: Chunghwa Picture Tubes, LTD.
    Inventors: Min-Chung Cheng, Chun-Wei Wang, Ru-Yi Hsieh
  • Patent number: 9832941
    Abstract: A hydroponic cultivation apparatus with detachable cultivation tray is provided in that each cultivation tray is magnetically mounted to an expansion socket of a main aqueduct so that a replaceable cultivation room may be independently provided. Each cultivation tray is equipped with a light source plate at the bottom. The light source plate is provided with power via a wireless receiver connected with a wireless transmitter at the socket. Multiple drain slots are aligning along a direction perpendicular to a horizontal level on each cultivation tray with some of them plugged with insulation pieces so that each cultivation tray may have the water level controlled independently.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: December 5, 2017
    Assignee: Chunghwa Picture Tubes, Ltd.
    Inventors: Min-Chung Cheng, Mu-Hua Lin
  • Patent number: 9685316
    Abstract: A semiconductor process includes the following steps. A wafer on a pedestal is provided. The pedestal is lifted to approach a heating source and an etching process is performed on the wafer. An annealing process is performed on the wafer by the heating source. In another way, a wafer on a pedestal, and a heating source on a same side of the wafer as the pedestal are provided. An etching process is performed on the wafer by setting the temperature difference between the heating source and the pedestal larger than 180° C.
    Type: Grant
    Filed: February 25, 2013
    Date of Patent: June 20, 2017
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chia Chang Hsu, Kuo-Chih Lai, Chun-Ling Lin, Bor-Shyang Liao, Pin-Hong Chen, Shu Min Huang, Min-Chung Cheng, Chi-Mao Hsu