Patents by Inventor Kun-Ei Chen

Kun-Ei 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: 20260107525
    Abstract: The present disclosure describes a semiconductor device having an isolation structure with a protection layer. The semiconductor device includes a substrate, a transistor with a source/drain (S/D) structure on the substrate, and an isolation structure on the substrate and adjacent to the transistor. The isolation structure includes a dielectric structure on the substrate, a protection layer on the dielectric structure, and a gate structure on the protection layer. The protection layer is disposed between the gate structure and the S/D structure.
    Type: Application
    Filed: December 12, 2025
    Publication date: April 16, 2026
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: I-I CHENG, Chen-Chieh CHIANG, Kun-Ei CHEN, Pei-Lum MA
  • Patent number: 12527048
    Abstract: The present disclosure describes a semiconductor device having an isolation structure with a protection layer. The semiconductor device includes a substrate, a transistor with a source/drain (S/D) structure on the substrate, and an isolation structure on the substrate and adjacent to the transistor. The isolation structure includes a dielectric structure on the substrate, a protection layer on the dielectric structure, and a gate structure on the protection layer. The protection layer is disposed between the gate structure and the S/D structure.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: January 13, 2026
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: I-I Cheng, Chen-Chieh Chiang, Kun-Ei Chen, Pei-Lum Ma
  • Publication number: 20250349626
    Abstract: A semiconductor structure is provided. The semiconductor structure includes an interconnection structure, a first conductive pad, a second conductive pad, a conductive material and a conductive coil. The first and second conductive pads are disposed over and electrically connected to the interconnection structure individually. The conductive material is electrically isolated from the interconnection structure. Bottom surfaces of the conductive material, the first conductive pad and the second conductive pad are substantially aligned. The conductive coil is disposed in the interconnection structure and overlapped by the conductive material. A manufacturing method of a semiconductor structure is also provided.
    Type: Application
    Filed: July 23, 2025
    Publication date: November 13, 2025
    Inventors: PEI-LUM MA, KUN DA JHONG, HSUEH-HAN LU, KUN-EI CHEN, CHEN-CHIEH CHIANG, LING-SUNG WANG
  • Patent number: 12424499
    Abstract: A semiconductor structure is provided. The semiconductor structure includes an interconnection structure, a first conductive pad, a second conductive pad, a conductive material and a conductive coil. The first and second conductive pads are disposed over and electrically connected to the interconnection structure individually. The conductive material is electrically isolated from the interconnection structure, wherein bottom surfaces of the conductive material, the first conductive pad and the second conductive pad are substantially aligned. The conductive coil is disposed in the interconnection structure and overlapped by the conductive material. A manufacturing method of a semiconductor structure is also provided.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: September 23, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Pei-Lum Ma, Kun Da Jhong, Hsueh-Han Lu, Kun-Ei Chen, Chen-Chieh Chiang, Ling-Sung Wang
  • Publication number: 20250294790
    Abstract: A method includes: receiving a substrate including a first region and a second region; patterning the substrate to form a first fin structure and a pair of second fin structures, wherein the first fin structure is between the second fin structures; forming a protecting layer on each of the pair of second fin structures while exposing a lateral surface of the first fin structure; forming a first oxide layer over the first fin structure and forming a second oxide layer over the protecting layer; depositing an isolation region to laterally surround the first oxide layer and the second oxide layer; and performing a recessing operation to remove an upper portion of the isolation region, the recessing operation further removing an upper portion of the first oxide layer from the first fin structure and an upper portion of the second oxide layer from the pair of the second fin structures.
    Type: Application
    Filed: June 2, 2025
    Publication date: September 18, 2025
    Inventors: HSUEH-HAN LU, KUN-EI CHEN, CHEN-CHIEH CHIANG, LING-SUNG WANG
  • Publication number: 20250285916
    Abstract: A semiconductor structure includes a dielectric layer, a first through via, a second through via, and a third through via. The dielectric layer is disposed in an interconnect structure, and includes a first doping region and a second doping region, wherein a first doping concentration of the first doping region is different from a second doping concentration of the second doping region. The first through via is surrounded by a dopant-free region of the dielectric layer. The second through via is surrounded by the first doping region. The third through via is surrounded by the second doping region.
    Type: Application
    Filed: May 26, 2025
    Publication date: September 11, 2025
    Inventors: CHING KANG CHEN, KUN-EI CHEN, CHEN-CHIEH CHIANG, LING-SUNG WANG
  • Publication number: 20250226322
    Abstract: The present disclosure is directed to a structure of an interconnect layer and a method of forming the structure. The interconnect layer includes first and second regions. The first region includes a first dielectric layer and a first interconnect structure. The second region includes a second dielectric layer and a second interconnect structure. The first region has a first ratio of a metal surface area to a non-metal surface area in the first region. The second region has a second ratio of a metal surface area to a non-metal surface area in the second region. The first and second ratios are different. The first and second dielectric layers include dielectric materials selected and/or treated differently according to the first and second ratios to substantially match polishing rates of the first and second regions in a planarization process.
    Type: Application
    Filed: January 5, 2024
    Publication date: July 10, 2025
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Chung-Ren Sun, Kun-Ei Chen, Chun-Jen Chen, Sheng-Tang Wang, Shih-Chi Lin, Kai-Shiung Hsu, Kang-Min Kuo, Su-Yu Yeh
  • Patent number: 12342564
    Abstract: A semiconductor structure and a method are provided. The method includes patterning a substrate to form a first fin structure in a first region and a second fin structure in a second region, wherein a first width of the first fin structure is greater than a second width of the second fin structure; forming a protecting layer on the second fin structure; and forming a first oxide layer over the first fin structure and forming a second oxide layer over the protecting layer, wherein a width of the first oxide layer is greater than a width of the second oxide layer.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: June 24, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Hsueh-Han Lu, Kun-Ei Chen, Chen-Chieh Chiang, Ling-Sung Wang
  • Patent number: 12341060
    Abstract: A method for manufacturing a semiconductor structure is provided. The method may include several operations. A first layer is formed over a first region and a second region of a substrate. A first etching is performed on the first layer, thereby forming a first trench in the first region and a second trench in the second region. A first amorphization is performed on the first layer in the second region. A second etching is performed on the first layer, wherein an etching rate of the second etching in the second region is greater than an etching rate of the second etching in the first region.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: June 24, 2025
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Ching Kang Chen, Kun-Ei Chen, Chen-Chieh Chiang, Ling-Sung Wang
  • Patent number: 12269135
    Abstract: A work piece holder provided herein includes a support baffle and an elevating element. The support baffle extends along an arc path. The elevating element is disposed on the support baffle and is pivoted to be movable between an unlock status and a lock status.
    Type: Grant
    Filed: April 26, 2023
    Date of Patent: April 8, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsu Tung Yen, Ling-Sung Wang, Chen-Chieh Chiang, Kun-Ei Chen, Bo Hsiang Huang
  • Publication number: 20240371919
    Abstract: Semiconductor device structure and methods of forming the same are described. The structure includes a first dielectric layer including a first portion disposed over a source/drain region in an active region of a substrate and a modulation portion over an interlayer dielectric (ILD) in a resistor region of the substrate, the first portion of the first dielectric layer has a first composition, and the modulation portion of the first dielectric layer has a second composition different from the first composition. The structure further includes a resistor layer disposed on the modulation portion of the first dielectric layer in the resistor region and a second dielectric layer disposed over the first dielectric layer in the active region and over the resistor layer in the resistor region.
    Type: Application
    Filed: July 20, 2024
    Publication date: November 7, 2024
    Inventors: Hsueh-Han LU, Kun-Ei CHEN, Chen-Chieh CHIANG, Ling-Sung WANG, Jun-Nan NIAN
  • Publication number: 20240359279
    Abstract: A work piece holder provided herein includes a support baffle and an elevating element. The support baffle extends along an arc path. The elevating clement is disposed on the support baffle and is pivoted to be movable between an unlock status and a lock status.
    Type: Application
    Filed: April 26, 2023
    Publication date: October 31, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hsu Tung Yen, Ling-Sung Wang, Chen-Chieh Chiang, Kun-Ei Chen, Bo Hsiang Huang
  • Patent number: 12080751
    Abstract: Semiconductor device structure and methods of forming the same are described. The structure includes a first dielectric layer including a first portion disposed over a source/drain region in an active region of a substrate and a modulation portion over an interlayer dielectric (ILD) in a resistor region of the substrate, the first portion of the first dielectric layer has a first composition, and the modulation portion of the first dielectric layer has a second composition different from the first composition. The structure further includes a resistor layer disposed on the modulation portion of the first dielectric layer in the resistor region and a second dielectric layer disposed over the first dielectric layer in the active region and over the resistor layer in the resistor region.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: September 3, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hsueh-Han Lu, Kun-Ei Chen, Chen-Chieh Chiang, Ling-Sung Wang, Jun-Nan Nian
  • Publication number: 20230369386
    Abstract: Semiconductor device structure and methods of forming the same are described. The structure includes a first dielectric layer including a first portion disposed over a source/drain region in an active region of a substrate and a modulation portion over an interlayer dielectric (ILD) in a resistor region of the substrate, the first portion of the first dielectric layer has a first composition, and the modulation portion of the first dielectric layer has a second composition different from the first composition. The structure further includes a resistor layer disposed on the modulation portion of the first dielectric layer in the resistor region and a second dielectric layer disposed over the first dielectric layer in the active region and over the resistor layer in the resistor region.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 16, 2023
    Inventors: Hsueh-Han LU, Kun-Ei CHEN, Chen-Chieh CHIANG, Ling-Sung WANG, Jun-Nan NIAN
  • Publication number: 20230352351
    Abstract: A semiconductor structure is provided. The semiconductor structure includes an interconnection structure, a first conductive pad, a second conductive pad, a conductive material and a conductive coil. The first and second conductive pads are disposed over and electrically connected to the interconnection structure individually. The conductive material is electrically isolated from the interconnection structure, wherein bottom surfaces of the conductive material, the first conductive pad and the second conductive pad are substantially aligned. The conductive coil is disposed in the interconnection structure and overlapped by the conductive material. A manufacturing method of a semiconductor structure is also provided.
    Type: Application
    Filed: April 27, 2022
    Publication date: November 2, 2023
    Inventors: PEI-LUM MA, KUN DA JHONG, HSUEH-HAN LU, KUN-EI CHEN, CHEN-CHIEH CHIANG, LING-SUNG WANG
  • Publication number: 20230335390
    Abstract: A method for manufacturing a semiconductor structure is provided. The method may include several operations. A first layer is formed over a first region and a second region of a substrate. A first etching is performed on the first layer, thereby forming a first trench in the first region and a second trench in the second region. A first amorphization is performed on the first layer in the second region. A second etching is performed on the first layer, wherein an etching rate of the second etching in the second region is greater than an etching rate of the second etching in the first region.
    Type: Application
    Filed: April 19, 2022
    Publication date: October 19, 2023
    Inventors: CHING KANG CHEN, KUN-EI CHEN, CHEN-CHIEH CHIANG, LING-SUNG WANG
  • Publication number: 20230299179
    Abstract: A semiconductor structure and a method are provided. The method includes patterning a substrate to form a first fin structure in a first region and a second fin structure in a second region, wherein a first width of the first fin structure is greater than a second width of the second fin structure; forming a protecting layer on the second fin structure; and forming a first oxide layer over the first fin structure and forming a second oxide layer over the protecting layer, wherein a width of the first oxide layer is greater than a width of the second oxide layer.
    Type: Application
    Filed: March 17, 2022
    Publication date: September 21, 2023
    Inventors: HSUEH-HAN LU, KUN-EI CHEN, CHEN-CHIEH CHIANG, LING-SUNG WANG
  • Publication number: 20230135392
    Abstract: The present disclosure describes a semiconductor device having an isolation structure with a protection layer. The semiconductor device includes a substrate, a transistor with a source/drain (S/D) structure on the substrate, and an isolation structure on the substrate and adjacent to the transistor. The isolation structure includes a dielectric structure on the substrate, a protection layer on the dielectric structure, and a gate structure on the protection layer. The protection layer is disposed between the gate structure and the S/D structure.
    Type: Application
    Filed: February 18, 2022
    Publication date: May 4, 2023
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: I-I CHENG, Chen-Chieh CHIANG, Kun-Ei CHEN, Pei-Lum MA
  • Patent number: 11004973
    Abstract: A semiconductor device includes a substrate, two gate structures, an interlayer dielectric layer and a material layer. The substrate has at least two device regions separated by at least one isolation structure disposed in the substrate. Each device region includes two doped regions in the substrate. The gate structures are respectively disposed on the device regions. In each device region, the doped regions are respectively disposed at two opposite sides of the gate structure. The interlayer dielectric layer is disposed over the substrate and peripherally surrounds the gate structures. A top of the interlayer dielectric layer has at least one concave. The material layer fills the concave and has a top surface elevated at the same level with top surfaces of the gate structures. A ratio of a thickness of a thickest portion of the material layer to a pitch of the gate structures ranges from 1/30 to 1/80.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: May 11, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITED
    Inventors: Chung-Ren Sun, Shiu-Ko Jangjian, Kun-Ei Chen, Chun-Che Lin
  • Publication number: 20190288110
    Abstract: A semiconductor device includes a substrate, two gate structures, an interlayer dielectric layer and a material layer. The substrate has at least two device regions separated by at least one isolation structure disposed in the substrate. Each device region includes two doped regions in the substrate. The gate structures are respectively disposed on the device regions. In each device region, the doped regions are respectively disposed at two opposite sides of the gate structure. The interlayer dielectric layer is disposed over the substrate and peripherally surrounds the gate structures. A top of the interlayer dielectric layer has at least one concave. The material layer fills the concave and has a top surface elevated at the same level with top surfaces of the gate structures. A ratio of a thickness of a thickest portion of the material layer to a pitch of the gate structures ranges from 1/30 to 1/80.
    Type: Application
    Filed: June 3, 2019
    Publication date: September 19, 2019
    Inventors: Chung-Ren SUN, Shiu-Ko JANGJIAN, Kun-Ei CHEN, Chun-Che LIN