Patents by Inventor Kun-Szu Tseng

Kun-Szu Tseng 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: 20250142815
    Abstract: A semiconductor device includes a substrate having a medium-voltage (MV) region and an one time programmable (OTP) capacitor region, a MV device on the MV region, and an OTP capacitor on the OTP capacitor region. Preferably, the MV device includes a first gate dielectric layer on the substrate, a first gate electrode on the first gate dielectric layer, and a shallow trench isolation (STI) adjacent to two sides of the first gate electrode. The OTP capacitor includes a fin-shaped structure on the substrate, a doped region in the fin-shaped structure, a second gate dielectric layer on the doped region, and a second gate electrode on the second gate dielectric layer.
    Type: Application
    Filed: November 27, 2023
    Publication date: May 1, 2025
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chang-Yih Chen, Kuo-Hsing Lee, Chun-Hsien Lin, Wen-Chieh Chang, Kun-Szu Tseng, Sheng-Yuan Hsueh, Yao-Jhan Wang
  • Publication number: 20250072015
    Abstract: A method for fabricating a semiconductor device includes the steps of first providing a substrate having a non-metal-oxide semiconductor capacitor (non-MOSCAP) region and a MOSCAP region, forming a fin-shaped structure on the MOSCAP region, forming a shallow trench isolation (STI) around the substrate and the fin-shaped structure, performing a first etching process to remove part of the STI on the MOSCAP region, and then performing a second etching process to remove part of the STI on the non-MOSCAP region and the MOSCAP region.
    Type: Application
    Filed: September 20, 2023
    Publication date: February 27, 2025
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chang-Yih Chen, Kuo-Hsing Lee, Chun-Hsien Lin, Kun-Szu Tseng, Sheng-Yuan Hsueh, Yao-Jhan Wang
  • Publication number: 20250063803
    Abstract: A method for fabricating a semiconductor device includes the steps of first providing a substrate having a non-metal-oxide semiconductor capacitor (non-MOSCAP) region and a MOSCAP region, forming a first fin-shaped structure on the MOSCAP region, performing a monolayer doping (MLD) process on the first fin-shaped structure, and then performing an anneal process for driving dopants into the first fin-shaped structure. Preferably, the MLD process is further accomplished by first performing a wet chemical doping process on the first fin-shaped structure and then forming a cap layer on the non-MOSCAP region and the MOSCAP region.
    Type: Application
    Filed: September 14, 2023
    Publication date: February 20, 2025
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chang-Yih Chen, Kuo-Hsing Lee, Chun-Hsien Lin, Kun-Szu Tseng, Sheng-Yuan Hsueh, Yao-Jhan Wang
  • Publication number: 20250015186
    Abstract: The invention provides a semiconductor structure, which comprises a middle/high voltage device region and a low voltage device region, a plurality of fin structures disposed in the low voltage device region, and a protruding part located at a boundary Between the middle/high voltage device region and the low voltage device region. A top surface of the protruding part is flat, and the top surface of the protruding part is aligned with a flat top surface of the middle/high voltage device region.
    Type: Application
    Filed: July 27, 2023
    Publication date: January 9, 2025
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Hung-Chun Lee, Chih-Yi Wang, Wei-Che Chen, Ya-Ting Hu, Yao-Jhan Wang, Kun-Szu Tseng, Feng-Yun Cheng, Shyan-Liang Chou
  • Publication number: 20240413017
    Abstract: A method for fabricating a semiconductor device includes the steps of providing a substrate having a medium-voltage (MV) region and a low-voltage (LV) region, forming fin-shaped structures on the LV region, forming an insulating layer between the fin-shaped structures, forming a hard mask on the LV region, and then performing a thermal oxidation process to form a gate dielectric layer on the MV region. Preferably, a hump is formed on the substrate surface of the MV region after the hard mask is removed, in which the hump further includes a first hump adjacent to one side of the substrate on the MV region and a second hump adjacent to another side of the substrate on the MV region.
    Type: Application
    Filed: July 12, 2023
    Publication date: December 12, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chih-Yi Wang, Ya-Ting Hu, Wei-Che Chen, Chang-Yih Chen, Kun-Szu Tseng, Yao-Jhan Wang
  • Publication number: 20240387523
    Abstract: A semiconductor device includes a substrate. A high voltage transistor is disposed within a high voltage region of the substrate. The high voltage transistor includes a first gate dielectric layer disposed on the substrate. A first gate electrode is disposed on the first gate dielectric layer. A first source/drain doping region and a second source/drain doping region are respectively disposed in the substrate at two sides of the first gate electrode. A first silicide layer covers and contacts the first source/drain doping region and a second silicide layer covers and contacts the second source/drain doping region. A first conductive plate penetrates the first silicide layer and contacts the first source/drain doping region. A second conductive plate penetrates the second silicide layer and contacts the second source/drain doping region.
    Type: Application
    Filed: June 21, 2023
    Publication date: November 21, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Hsin-Hsien Chen, Sheng-Yuan Hsueh, Kun-Szu Tseng, Kuo-Hsing Lee, Chih-Kai Kang
  • Publication number: 20240379670
    Abstract: A semiconductor device includes a substrate with a high voltage region and a low voltage region. A first deep trench isolation is disposed within the high voltage region. The first deep trench isolation includes a first deep trench and a first insulating layer filling the first deep trench. The first deep trench includes a first sidewall and a second sidewall facing the first sidewall. The first sidewall is formed by a first plane and a second plane. The edge of the first plane connects to the edge of the second plane. The slope of the first plane is different from the slope of the second plane.
    Type: Application
    Filed: June 6, 2023
    Publication date: November 14, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ya-Ting Hu, Chih-Yi Wang, Yao-Jhan Wang, Wei-Che Chen, Kun-Szu Tseng, Yun-Yang He, Wen-Liang Huang, Lung-En Kuo, Po-Tsang Chen, Po-Chang Lin, Ying-Hsien Chen
  • Publication number: 20240363430
    Abstract: A method for fabricating a semiconductor device includes the steps of first providing a substrate having an active region as the substrate includes a medium-voltage (MV) region and a low-voltage (LV) region, forming a first divot adjacent to one side of the active region, forming a second divot adjacent to another side of the active region, forming a first liner in the first divot and the second divot and on the substrate of the MV region and LV region, forming a second liner on the first liner, and then removing the second liner, the first liner, and the substrate on the LV region for forming a fin-shaped structure.
    Type: Application
    Filed: May 31, 2023
    Publication date: October 31, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chih-Yi Wang, Wei-Che Chen, Hung-Chun Lee, Yun-Yang He, Wei-Hao Chang, Chang-Yih Chen, Kun-Szu Tseng, Yao-Jhan Wang, Ying-Hsien Chen
  • Patent number: 8981527
    Abstract: A method for forming a resistor integrated with a transistor having metal gate includes providing a substrate having a transistor region and a resistor region defined thereon, forming a transistor having a polysilicon dummy gate in the transistor region and a polysilicon main portion with two doped regions positioned at two opposite ends in the resistor region, performing an etching process to remove the polysilicon dummy gate to form a first trench and remove portions of the doped regions to form two second trenches, and forming a metal gate in the first trench to form a transistor having the metal gate and metal structures respectively in the second trenches to form a resistor.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: March 17, 2015
    Assignee: United Microelectronics Corp.
    Inventors: Jie-Ning Yang, Shih-Chieh Hsu, Yao-Chang Wang, Chi-Horn Pai, Chi-Sheng Tseng, Kun-Szu Tseng, Ying-Hung Chou, Chiu-Hsien Yeh
  • Patent number: 8637936
    Abstract: A resistor is disclosed. The resistor is disposed on a substrate, in which the resistor includes: a dielectric layer disposed on the substrate; a polysilicon structure disposed on the dielectric layer; two primary resistance structures disposed on the dielectric layer and at two ends of the polysilicon structure; and a plurality of secondary resistance structures disposed on the dielectric layer and interlaced with the polysilicon structures.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: January 28, 2014
    Assignee: United Microelectronics Corp.
    Inventors: Kai-Ling Chiu, Victor-Chiang Liang, Chih-Yu Tseng, Kun-Szu Tseng, Cheng-Wen Fan, Hsin-Kai Chiang, Chih-Chen Hsueh
  • Publication number: 20130049168
    Abstract: A method for forming a resistor integrated with a transistor having metal gate includes providing a substrate having a transistor region and a resistor region defined thereon, forming a transistor having a polysilicon dummy gate in the transistor region and a polysilicon main portion with two doped regions positioned at two opposite ends in the resistor region, performing an etching process to remove the polysilicon dummy gate to form a first trench and remove portions of the doped regions to form two second trenches, and forming a metal gate in the first trench to form a transistor having the metal gate and metal structures respectively in the second trenches to form a resistor.
    Type: Application
    Filed: August 23, 2011
    Publication date: February 28, 2013
    Inventors: Jie-Ning Yang, Shih-Chieh Hsu, Yao-Chang Wang, Chi-Horn Pai, Chi-Sheng Tseng, Kun-Szu Tseng, Ying-Hung Chou, Chiu-Hsien Yeh
  • Patent number: 8349682
    Abstract: An integrated method includes fabricating a metal gate transistor and a polysilicon resistor structure. A photoresistor layer is defined by an SAB photo mask and covers a part of a high resistance structure of the polysilicon resistor. When the dummy gate of the transistor is etched, the part of the high resistance structure is protected by the patterned photoresistor layer. The polysilicon resistor is formed simultaneously with the transistor. Furthermore, the polysilicon resistor still has sufficient resistance and includes two metal structures for electrical connection.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: January 8, 2013
    Assignee: United Microelectronics Corp.
    Inventors: Cheng-Wen Fan, Kun-Szu Tseng, Che-Hua Hsu, Chih-Yu Tseng, Victor-Chiang Liang
  • Patent number: 8350337
    Abstract: A semiconductor device including a substrate, a first device, a second device and an interlayer dielectric layer is provided. The substrate has a first area and a second area. The first device is disposed in the first area of the substrate and includes a first dielectric layer on the substrate and a metal gate on the first dielectric layer. The second device is in the second area of the substrate and includes a second dielectric layer on the substrate and, a polysilicon layer on the second dielectric layer. It is noted that the height of the polysilicon layer is less than that of the metal gate of the first device. The interlayer dielectric layer covers the second device.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: January 8, 2013
    Assignee: United Microelectronics Corp.
    Inventors: Kun-Szu Tseng, Cheng-Wen Fan, Chih-Yu Tseng, Victor Chiang Liang
  • Patent number: 8252657
    Abstract: A method for fabricating metal gate transistor and resistor is disclosed. The method includes the steps of: providing a substrate having a transistor region and a resistor region; forming a shallow trench isolation in the substrate of the resistor region; forming a tank in the shallow trench isolation of the resistor region; forming at least one gate in the transistor region and a resistor in the tank of the resistor region; and transforming the gate into a metal gate transistor.
    Type: Grant
    Filed: March 27, 2011
    Date of Patent: August 28, 2012
    Assignee: United Microelectronics Corp.
    Inventors: Chih-Yu Tseng, Chien-Ting Lin, Kun-Szu Tseng, Cheng-Wen Fan, Victor-Chiang Liang
  • Publication number: 20120214284
    Abstract: An integrated method includes fabricating a metal gate transistor and a polysilicon resistor structure. A photoresistor layer is defined by an SAB photo mask and covers a part of a high resistance structure of the polysilicon resistor. When the dummy gate of the transistor is etched, the part of the high resistance structure is protected by the patterned photoresistor layer. The polysilicon resistor is formed simultaneously with the transistor. Furthermore, the polysilicon resistor still has sufficient resistance and includes two metal structures for electrical connection.
    Type: Application
    Filed: May 2, 2012
    Publication date: August 23, 2012
    Inventors: Cheng-Wen Fan, Kun-Szu Tseng, Che-Hua Hsu, Chih-Yu Tseng, Victor-Chiang Liang
  • Patent number: 8193900
    Abstract: An integrated method includes fabricating a metal gate and a polysilicon resistor structure. A photoresistor layer is defined by an SAB photo mask and covers a part of a polysilicon structure of the polysilicon resistor. When the gate conductor of a poly gate transistor is etched, the part of the polysilicon structure is protected by the patterned photoresistor layer. After the polysilicon resistor and the metal gate are formed. The polysilicon resistor still has sufficient resistance and includes two metal structures for electrical connection.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: June 5, 2012
    Assignee: United Microelectronics Corp.
    Inventors: Cheng-Wen Fan, Kun-Szu Tseng, Che-Hua Hsu, Chih-Yu Tseng, Victor-Chiang Liang
  • Patent number: 8093118
    Abstract: A semiconductor structure and a method of forming the same are provided. The semiconductor structure includes a substrate, a resistor and a metal gate structure. The substrate has a first area and a second area. The resistor is disposed in the first area, wherein the resistor does not include any metal layer. The metal gate structure is disposed in the second area.
    Type: Grant
    Filed: June 26, 2009
    Date of Patent: January 10, 2012
    Assignee: United Microelectronics Corp.
    Inventors: Kun-Szu Tseng, Che-Hua Hsu, Cheng-Wen Fan, Chih-Yu Tseng, Victor Chiang Liang
  • Patent number: 7994576
    Abstract: A method for fabricating metal gate transistor and resistor is disclosed. The method includes the steps of: providing a substrate having a transistor region and a resistor region; forming a shallow trench isolation in the substrate of the resistor region; forming a tank in the shallow trench isolation of the resistor region; forming at least one gate in the transistor region and a resistor in the tank of the resistor region; and transforming the gate into a metal gate transistor.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: August 9, 2011
    Assignee: United Microelectronics Corp.
    Inventors: Chih-Yu Tseng, Chien-Ting Lin, Kun-Szu Tseng, Cheng-Wen Fan, Victor-Chiang Liang
  • Publication number: 20110171810
    Abstract: A method for fabricating metal gate transistor and resistor is disclosed. The method includes the steps of: providing a substrate having a transistor region and a resistor region; forming a shallow trench isolation in the substrate of the resistor region; forming a tank in the shallow trench isolation of the resistor region; forming at least one gate in the transistor region and a resistor in the tank of the resistor region; and transforming the gate into a metal gate transistor.
    Type: Application
    Filed: March 27, 2011
    Publication date: July 14, 2011
    Inventors: Chih-Yu Tseng, Chien-Ting Lin, Kun-Szu Tseng, Cheng-Wen Fan, Victor-Chiang Liang
  • Publication number: 20110156161
    Abstract: A semiconductor device including a substrate, a first device, a second device and an interlayer dielectric layer is provided. The substrate has a first area and a second area. The first device is disposed in the first area of the substrate and includes a first dielectric layer on the substrate and a metal gate on the first dielectric layer. The second device is in the second area of the substrate and includes a second dielectric layer on the substrate and, a polysilicon layer on the second dielectric layer. It is noted that the height of the polysilicon layer is less than that of the metal gate of the first device. The interlayer dielectric layer covers the second device.
    Type: Application
    Filed: December 29, 2009
    Publication date: June 30, 2011
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Kun-Szu Tseng, Cheng-Wen Fan, Chih-Yu Tseng, Victor Chiang Liang