Patents by Inventor Chun-Heng Chen

Chun-Heng Chen 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: 20240131010
    Abstract: In some embodiments of the present disclosure, a sustained release osmotic-controlled pharmaceutical composition is provided, including: a core and a semi-permeable membrane coated on the core. The core includes a drug compartment, in which the drug compartment includes a first active ingredient, a first polymer and a first osmogen, and the first active ingredient includes lurasidone, a pharmaceutical acceptable salt of the lurasidone or a combination thereof. The semi-permeable membrane includes a membrane body and at least one pore distributed in the membrane body.
    Type: Application
    Filed: October 15, 2023
    Publication date: April 25, 2024
    Inventors: Chun-You LIOU, Tzu-Hsien CHAN, Hua-Jing JHAN, I-Hsiang LIU, Tse-Hsien CHEN, Chi-Heng JIAN
  • Patent number: 11942556
    Abstract: A device includes a first channel layer, a second channel layer, a gate structure, a source/drain epitaxial structure, and a source/drain contact. The first channel layer and the second channel layer are arranged above the first channel layer in a spaced apart manner over a substrate. The gate structure surrounds the first and second channel layers. The source/drain epitaxial structure is connected to the first and second channel layers. The source/drain contact is connected to the source/drain epitaxial structure. The second channel layer is closer to the source/drain contact than the first channel layer is to the source/drain contact, and the first channel layer is thicker than the second channel layer.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: March 26, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Ru Lin, Shu-Han Chen, Yi-Shao Li, Chun-Heng Chen, Chi On Chui
  • Publication number: 20240096996
    Abstract: A semiconductor device includes a first dielectric layer, a stack of semiconductor layers disposed over the first dielectric layer, a gate structure wrapping around each of the semiconductor layers and extending lengthwise along a direction, and a dielectric fin structure and an isolation structure disposed on opposite sides of the stack of semiconductor layers and embedded in the gate structure. The dielectric fin structure has a first width along the direction smaller than a second width of the isolation structure along the direction. The isolation structure includes a second dielectric layer extending through the gate structure and the first dielectric layer, and a third dielectric layer extending through the first dielectric layer and disposed on a bottom surface of the gate structure and a sidewall of the first dielectric layer.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 21, 2024
    Inventors: Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Lo-Heng Chang, Cheng-Chi Chuang, Kuan-Lun Cheng, Chih-Hao Wang
  • Publication number: 20240090343
    Abstract: The present disclosure relates to a magneto-resistive random access memory (MRAM) cell having an extended upper electrode, and a method of formation. In some embodiments, the MRAM cell has a magnetic tunnel junction (MTJ) arranged over a conductive lower electrode. A conductive upper electrode is arranged over the magnetic tunnel junction. Below the conductive lower electrode is a first conductive via structure in a first dielectric layer. Below the conductive via structure is a discrete conductive jumper structure in a second dielectric layer. A dielectric body of a third dielectric material that is different from the first dielectric material and the second dielectric material extends vertical from the first dielectric layer at least partially into the second dielectric layer.
    Type: Application
    Filed: November 21, 2023
    Publication date: March 14, 2024
    Inventors: Jun-Yao CHEN, Chun-Heng LIAO, Hung Cho WANG
  • Publication number: 20240088156
    Abstract: A semiconductor device includes at least one fin, a first dielectric layer and a second dielectric layer. The first dielectric layer is disposed on the at least one fin. The second dielectric layer between the at least one fin and the first dielectric layer. A thickness of the first dielectric layer on a sidewall of the at least one fin is less than a thickness of the second dielectric layer on the sidewall of the at least one fin.
    Type: Application
    Filed: November 23, 2023
    Publication date: March 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng-I Lin, Chun-Heng Chen, Ming-Ho Lin, Chi-On Chui
  • Publication number: 20240030354
    Abstract: A device includes a first channel layer, a second channel layer, a gate structure, a source/drain epitaxial structure, and a source/drain contact. The first channel layer and the second channel layer are arranged above the first channel layer in a spaced apart manner over a substrate. The gate structure surrounds the first and second channel layers. The source/drain epitaxial structure is connected to the first and second channel layers. The source/drain contact is connected to the source/drain epitaxial structure. The second channel layer is closer to the source/drain contact than the first channel layer is to the source/drain contact, and the first channel layer is thicker than the second channel layer.
    Type: Application
    Filed: September 26, 2023
    Publication date: January 25, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Ru LIN, Shu-Han CHEN, Yi-Shao LI, Chun-Heng CHEN, Chi On CHUI
  • Patent number: 11855095
    Abstract: A semiconductor device includes a semiconductor substrate and a first dielectric layer. The semiconductor substrate includes at least one fin. The first dielectric layer is disposed on the at least one fin. A thickness of the first dielectric layer located on a top surface of the at least one fin is greater than a thickness of the first dielectric layer located on a sidewall of the at least one fin.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng-I Lin, Chun-Heng Chen, Ming-Ho Lin, Chi-On Chui
  • Patent number: 11855140
    Abstract: A device includes a semiconductor nanostructure, and an oxide layer, which includes horizontal portions on a top surface and a bottom surface of the semiconductor nanostructure, vertical portions on sidewalls of the semiconductor nanostructure, and corner portions on corners of the semiconductor nanostructure. The horizontal portions have a first thickness. The vertical portions have a second thickness. The corner portions have a third thickness. Both of the second thickness and the third thickness are greater than the first thickness. A high-k dielectric layer surrounds the oxide layer. A gate electrode surrounds the high-k dielectric layer.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: December 26, 2023
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shu-Han Chen, Yi-Shao Li, Chun-Heng Chen, Chi On Chui
  • Publication number: 20230378262
    Abstract: A device includes a semiconductor nanostructure, and an oxide layer, which includes horizontal portions on a top surface and a bottom surface of the semiconductor nanostructure, vertical portions on sidewalls of the semiconductor nanostructure, and corner portions on corners of the semiconductor nanostructure. The horizontal portions have a first thickness. The vertical portions have a second thickness. The corner portions have a third thickness. Both of the second thickness and the third thickness are greater than the first thickness. A high-k dielectric layer surrounds the oxide layer. A gate electrode surrounds the high-k dielectric layer.
    Type: Application
    Filed: August 3, 2023
    Publication date: November 23, 2023
    Inventors: Shu-Han Chen, Yi-Shao Li, Chun-Heng Chen, Chi On Chui
  • Publication number: 20230207646
    Abstract: A method includes forming a fin protruding over a substrate; forming a conformal oxide layer over an upper surface and along sidewalls of the fin; performing an anisotropic oxide deposition or an anisotropic plasma treatment to form a non-conformal oxide layer over the upper surface and along the sidewalls of the fin; and forming a gate electrode over the fin, the conformal oxide layer and the non-conformal oxide layer being between the fin and the gate electrode.
    Type: Application
    Filed: March 6, 2023
    Publication date: June 29, 2023
    Inventors: Ming-Ho Lin, Chun-Heng Chen, Xiong-Fei Yu, Chi Oh Chui
  • Publication number: 20230138136
    Abstract: A method of forming a nanostructure field-effect transistor (nano-FET) device includes: forming a fin structure that includes a fin and alternating layers of a first semiconductor material and a second semiconductor material overlying the fin; forming a dummy gate structure over the fin structure; forming source/drain regions over the fin structure on opposing sides of the dummy gate structure; removing the dummy gate structure to expose the first and second semiconductor materials under the dummy gate structure; selectively removing the exposed first semiconductor material, where after the selectively removing, the exposed second semiconductor material remains to form nanostructures, where different surfaces of the nanostructures have different atomic densities of the second semiconductor material; forming a gate dielectric layer around the nanostructures, thicknesses of the gate dielectric layer on the different surfaces of the nanostructures being formed substantially the same; and forming a gate electrode
    Type: Application
    Filed: April 11, 2022
    Publication date: May 4, 2023
    Inventors: Yi-Shao Li, Shu-Han Chen, Chun-Heng Chen, Chi On Chui
  • Patent number: 11640977
    Abstract: A method includes forming a fin protruding over a substrate; forming a conformal oxide layer over an upper surface and along sidewalls of the fin; performing an anisotropic oxide deposition or an anisotropic plasma treatment to form a non-conformal oxide layer over the upper surface and along the sidewalls of the fin; and forming a gate electrode over the fin, the conformal oxide layer and the non-conformal oxide layer being between the fin and the gate electrode.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: May 2, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Ming-Ho Lin, Chun-Heng Chen, Xiong-Fei Yu, Chi On Chui
  • Publication number: 20230126442
    Abstract: A method includes forming a dummy gate oxide on a wafer, and the dummy gate oxide is formed on a sidewall and a top surface of a protruding semiconductor fin in the wafer. The formation of the dummy gate oxide may include a Plasma Enhanced Chemical Vapor Deposition (PECVD) process in a deposition chamber, and the PECVD process includes applying a Radio Frequency (RF) power to a conductive plate below the wafer. The method further includes forming a dummy gate electrode over the dummy gate oxide, removing the dummy gate electrode and the dummy gate oxide to form a trench between opposing gate spacers, and forming a replacement gate in the trench.
    Type: Application
    Filed: May 9, 2022
    Publication date: April 27, 2023
    Inventors: Tsung-Ju Chen, Shu-Han Chen, Chun-Heng Chen, Chi On Chui
  • Publication number: 20230124471
    Abstract: A semiconductor device includes a substrate, a plurality of insulators, a liner structure and a gate stack. The substrate has fins and trenches in between the fins. The insulators are disposed within the trenches of the substrate. The liner structure is disposed on the plurality of insulators and across the fins, wherein the liner structure comprises sidewall portions and a cap portion, the sidewall portions is covering sidewalls of the fins, the cap portion is covering a top surface of the fins and joined with the sidewall portions, and a maximum thickness T1 of the cap portion is greater than a thickness T2 of the sidewall portions. The gate stack is disposed on the liner structure and across the fins.
    Type: Application
    Filed: December 19, 2022
    Publication date: April 20, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Hsuan Liao, Chih-Chung Chang, Chun-Heng Chen, Jiun-Ming Kuo
  • Publication number: 20230117889
    Abstract: A method for forming a semiconductor device structure includes forming alternating first semiconductor layers and second semiconductor layers stacked over a substrate. The method also includes etching the first semiconductor layers and the second semiconductor layers to form a fin structure. The method also includes oxidizing the first semiconductor layers to form first oxidized portions of the first semiconductor layers and oxidizing the second semiconductor layers to form second oxidized portions of the second semiconductor layers. The method also includes removing the oxides over the sidewalls of the second semiconductor layers. After removing the second oxidized portions, an upper layer of the second semiconductor layers is narrower than a lower layer of the second semiconductor layers. The method also includes removing the first semiconductor layers to form a gate opening between the second semiconductor layers. The method also includes forming a gate structure in the gate opening.
    Type: Application
    Filed: April 19, 2022
    Publication date: April 20, 2023
    Inventors: Yu-Ru Lin, Shu-Han Chen, Chun-Heng Chen, Chi On Chui
  • Publication number: 20230035349
    Abstract: In an embodiment, a method includes: forming a first fin and a second fin extending from a semiconductor substrate; depositing a liner layer along a first sidewall of the first fin, a second sidewall of the second fin, and a top surface of the semiconductor substrate, the liner layer formed of silicon oxynitride having a nitrogen concentration; depositing a fill material on the liner layer, the fill material formed of silicon; annealing the liner layer and the fill material, the annealing converting the fill material to silicon oxide, the annealing decreasing the nitrogen concentration of the liner layer; and recessing the liner layer and the fill material to form an isolation region between the first fin and the second fin.
    Type: Application
    Filed: October 7, 2022
    Publication date: February 2, 2023
    Inventors: Wan-Yi Kao, Szu-Ping Lee, Che-Hao Chang, Chun-Heng Chen, Yung-Cheng Lu, Chi On Chui
  • Publication number: 20230010087
    Abstract: The present disclosure provides a memory array. The memory array includes a first memory cell, a first word line, a second word line, a first bit line, a first complementary bit line, a second bit line, a second complementary bit line, a first sense amplifier, a second sense amplifier and a first logic circuit. When the memory array operates in a binary content-addressable memory (BCAM) mode, during a search operation, a first logic output indicates whether a logic level of the first word line matches a first logic value at a first terminal of a first data storage of the first memory cell, and whether a logic level of the second word line matches a first complementary logic value at a second terminal of the first data storage of the first memory cell.
    Type: Application
    Filed: November 10, 2021
    Publication date: January 12, 2023
    Inventors: Chun-Heng CHEN, Chun-Yen LIN, Chih-Chieh CHIU
  • Patent number: 11532718
    Abstract: A semiconductor device includes a substrate, a plurality of insulators, a liner structure and a gate stack. The substrate has fins and trenches in between the fins. The insulators are disposed within the trenches of the substrate. The liner structure is disposed on the plurality of insulators and across the fins, wherein the liner structure comprises sidewall portions and a cap portion, the sidewall portions is covering sidewalls of the fins, the cap portion is covering a top surface of the fins and joined with the sidewall portions, and a maximum thickness T1 of the cap portion is greater than a thickness T2 of the sidewall portions. The gate stack is disposed on the liner structure and across the fins.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: December 20, 2022
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Hsuan Liao, Chih-Chung Chang, Chun-Heng Chen, Jiun-Ming Kuo
  • Publication number: 20220384611
    Abstract: A method of forming a semiconductor device includes forming a first layer on a semiconductor fin; forming a mask on the first layer, the mask being thicker on a top of the semiconductor fin than along a sidewall of the semiconductor fin. The first layer is thinned along the sidewall of the semiconductor fin using the mask. A second layer is formed on the semiconductor fin, the second layer covering the mask and the first layer. A dummy gate layer is formed on the semiconductor fin and patterned to expose a top surface of the semiconductor fin.
    Type: Application
    Filed: August 4, 2021
    Publication date: December 1, 2022
    Inventors: Cheng-I Lin, Ming-Ho Lin, Chun-Heng Chen, Yung-Cheng Lu
  • Patent number: D1023935
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: April 23, 2024
    Assignee: Acer Incorporated
    Inventors: Ya-Hao Chan, Yi-Heng Lee, Ming-Cheng Wu, Chun-Yu Chen