Patents by Inventor Sheng-Da Liu

Sheng-Da Liu 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: 8325518
    Abstract: A multi-level cell NOR flash memory device includes a plurality of gate lines, a plurality of source regions, a plurality of drain regions, a plurality of source lines, a plurality of bitlines, and a plurality of power lines. The bitlines each have a specific sheet resistance. A specific number of the bitlines are disposed between two adjacent ones of the power lines. Accordingly, the multi-level cell NOR flash memory device is of a high transconductance and uniformity and thereby features an enhanced conforming rate.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: December 4, 2012
    Assignee: Eon Silicon Solution Inc.
    Inventors: Sheng-Da Liu, Yider Wu
  • Publication number: 20120163077
    Abstract: A multi-level cell NOR flash memory device includes a plurality of gate lines, a plurality of source regions, a plurality of drain regions, a plurality of source lines, a plurality of bitlines, and a plurality of power lines. The bitlines each have a specific sheet resistance. A specific number of the bitlines are disposed between two adjacent ones of the power lines. Accordingly, the multi-level cell NOR flash memory device is of a high transconductance and uniformity and thereby features an enhanced conforming rate.
    Type: Application
    Filed: December 22, 2010
    Publication date: June 28, 2012
    Applicant: EON SILICON SOLUTION INC.
    Inventors: SHENG-DA LIU, YIDER WU
  • Patent number: 8174073
    Abstract: A semiconductor structure includes a semiconductor substrate; and a first Fin field-effect transistor (FinFET) and a second FinFET at a surface of the semiconductor substrate. The first FinFET includes a first fin; and a first gate electrode over a top surface and sidewalls of the first fin. The second FinFET includes a second fin spaced apart from the first fin by a fin space; and a second gate electrode over a top surface and sidewalls of the second fin. The second gate electrode is electrically disconnected from the first gate electrode. The first and the second gate electrodes have a gate height greater than about one half of the fin space.
    Type: Grant
    Filed: May 30, 2007
    Date of Patent: May 8, 2012
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Tsung-Lin Lee, Chang-Yun Chang, Sheng-Da Liu, Fu-Liang Yang
  • Publication number: 20120094450
    Abstract: A manufacturing method of a multi-level cell NOR flash memory includes the steps of forming a memory cell area and a peripheral circuit area with the same depth of a shallow trench isolation structure, and the depth ranges from 2400 ? to 2700 ?; forming a non-self-aligned gate structure; performing a self-alignment source manufacturing process; and forming a common source area and a plurality of drain areas. The manufacturing method achieves a high integration density between components and provides a better thermal budget and a better dosage control to the multi-level cell NOR flash memory to improve the production yield rate.
    Type: Application
    Filed: October 19, 2010
    Publication date: April 19, 2012
    Applicant: EON SILICON SOLUTION INC.
    Inventors: Yider Wu, Sheng-Da Liu
  • Patent number: 8017488
    Abstract: A manufacturing method of a NOR flash memory with phosphorous and arsenic ion implantations mainly implants both phosphorous and arsenic ions on a drain area of a transistor memory unit, and controls specific energy and dosage for the implantation to reduce the defects of a memory device and improve the yield rate of the NOR flash memory.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: September 13, 2011
    Assignee: EON Silicon Solutions Inc.
    Inventors: Sheng-Da Liu, Yider Wu
  • Publication number: 20110070705
    Abstract: A manufacturing method of a NOR flash memory with phosphorous and arsenic ion implantations mainly implants both phosphorous and arsenic ions on a drain area of a transistor memory unit, and controls specific energy and dosage for the implantation to reduce the defects of a memory device and improve the yield rate of the NOR flash memory.
    Type: Application
    Filed: September 18, 2009
    Publication date: March 24, 2011
    Applicant: Eon Silicon Solutions Inc.
    Inventors: SHENG-DA LIU, YIDER WU
  • Patent number: 7883979
    Abstract: A semiconductor device includes a substrate, a first device situated on the substrate, the first device including a source and a drain each situated extending a first depth within the substrate, and a second device situated on the substrate, the second device including a source and a drain each situated extending a second depth within the substrate, the second depth not equal to the first depth.
    Type: Grant
    Filed: October 26, 2004
    Date of Patent: February 8, 2011
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Wei Chen, Zhong Tang Xuan, Shui-Ming Cheng, Sheng-Da Liu
  • Publication number: 20080296702
    Abstract: A semiconductor structure includes a semiconductor substrate; and a first Fin field-effect transistor (FinFET) and a second FinFET at a surface of the semiconductor substrate. The first FinFET includes a first fin; and a first gate electrode over a top surface and sidewalls of the first fin. The second FinFET includes a second fin spaced apart from the first fin by a fin space; and a second gate electrode over a top surface and sidewalls of the second fin. The second gate electrode is electrically disconnected from the first gate electrode. The first and the second gate electrodes have a gate height greater than about one half of the fin space.
    Type: Application
    Filed: May 30, 2007
    Publication date: December 4, 2008
    Inventors: Tsung-Lin Lee, Chang-Yun Chang, Sheng-Da Liu, Fu-Liang Yang
  • Patent number: 7425740
    Abstract: A one transistor (1T-RAM) bit cell and method for manufacture are provided. A metal-insulator-metal (MIM) capacitor structure and method of manufacturing it in an integrated process that includes a finFET transistor for the 1T-RAM bit cell is provided. In some embodiments, the finFET transistor and MIM capacitor are formed in a memory region and an asymmetric processing method is disclosed, which allows planar MOSFET transistors to be formed in another region of a single device. In some embodiments, the 1T-RAM cell and additional transistors may be combined to form a macro cell, multiple macro cells may form an integrated circuit. The MIM capacitors may include nanoparticles or nanostructures to increase the effective capacitance. The finFET transistors may be formed over an insulator. The MIM capacitors may be formed in interlevel insulator layers above the substrate. The process provided to manufacture the structure may advantageously use conventional photomasks.
    Type: Grant
    Filed: October 7, 2005
    Date of Patent: September 16, 2008
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Sheng-Da Liu, Hung-Wei Chen, Chang-Yun Chang, Zhong Tang Xuan, Ju-Wang Hsu
  • Patent number: 7381649
    Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.
    Type: Grant
    Filed: July 29, 2005
    Date of Patent: June 3, 2008
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Wei Chen, Tang-Xuan Zhong, Sheng-Da Liu, Chang-Yun Chang, Ping-Kun Wu, Chao-Hsiung Wang, Fu-Liang Yang
  • Patent number: 7271448
    Abstract: A multiple gate region FET device for forming up to 6 FET devices and method for forming the same, the device including a multiple fin shaped structure comprising a semiconductor material disposed on a substrate; said multiple fin shaped structure comprising substantially parallel spaced apart sidewall portions, each of said sidewall portions comprising major inner and outer surfaces and an upper surface; wherein, each of said surfaces comprises a surface for forming an overlying field effect transistor (FET).
    Type: Grant
    Filed: February 14, 2005
    Date of Patent: September 18, 2007
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Ju-Wang Hsu, Jyu-Horng Shieh, Hun-Jan Tao, Chang-Yun Chang, Zhong Tang Xuan, Sheng-Da Liu
  • Publication number: 20070080387
    Abstract: A one transistor (1T-RAM) bit cell and method for manufacture are provided. A metal-insulator-metal (MIM) capacitor structure and method of manufacturing it in an integrated process that includes a finFET transistor for the 1T-RAM bit cell is provided. In some embodiments, the finFET transistor and MIM capacitor are formed in a memory region and an asymmetric processing method is disclosed, which allows planar MOSFET transistors to be formed in another region of a single device. In some embodiments, the 1T-RAM cell and additional transistors may be combined to form a macro cell, multiple macro cells may form an integrated circuit. The MIM capacitors may include nanoparticles or nanostructures to increase the effective capacitance. The finFET transistors may be formed over an insulator. The MIM capacitors may be formed in interlevel insulator layers above the substrate. The process provided to manufacture the structure may advantageously use conventional photomasks.
    Type: Application
    Filed: October 7, 2005
    Publication date: April 12, 2007
    Inventors: Sheng-Da Liu, Hung-Wei Chen, Chang-Yun Chang, Zhong Xuan, Ju-Wang Hsu
  • Publication number: 20070026629
    Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.
    Type: Application
    Filed: July 29, 2005
    Publication date: February 1, 2007
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Wei Chen, Tang-Xuan Zhong, Sheng-Da Liu
  • Publication number: 20060180854
    Abstract: A multiple gate region FET device for forming up to 6 FET devices and method for forming the same, the device including a multiple fin shaped structure comprising a semiconductor material disposed on a substrate; said multiple fin shaped structure comprising substantially parallel spaced apart sidewall portions, each of said sidewall portions comprising major inner and outer surfaces and an upper surface; wherein, each of said surfaces comprises a surface for forming an overlying field effect transistor (FET).
    Type: Application
    Filed: February 14, 2005
    Publication date: August 17, 2006
    Inventors: Ju-Wang Hsu, Jyu-Horng Shieh, Hun-Jan Tao, Chang-Yun Chang, Zhong Xuan, Sheng-Da Liu
  • Publication number: 20060086987
    Abstract: A semiconductor device includes a substrate, a first device situated on the substrate, the first device including a source and a drain each situated extending a first depth within the substrate, and a second device situated on the substrate, the second device including a source and a drain each situated extending a second depth within the substrate, the second depth not equal to the first depth.
    Type: Application
    Filed: October 26, 2004
    Publication date: April 27, 2006
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Wei Chen, Zhong Xuan, Shui-Ming Cheng, Sheng-Da Liu
  • Patent number: RE45165
    Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.
    Type: Grant
    Filed: February 14, 2012
    Date of Patent: September 30, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Wei Chen, Tang-Xuan Zhong, Sheng-Da Liu, Chang-Yu Chang, Ping-Kun Wu, Chao-Hsiung Wang, Fu-Liang Yang
  • Patent number: RE45180
    Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: October 7, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Wei Chen, Tang-Xuan Zhong, Sheng-Da Liu, Chang-Yun Chang, Ping-Kun Wu, Chao-Hsiung Wang, Fu-Liang Yang
  • Patent number: RE45944
    Abstract: A method for forming a semiconductor device and a device made using the method are provided. In one example, the method includes forming a hard mask layer on a semiconductor substrate and patterning the hard mask layer to form multiple openings. The substrate is etched through the openings to form forming a plurality of trenches separating multiple semiconductor mesas. The trenches are partially filled with a dielectric material. The hard mask layer is removed and multiple-gate features are formed, with each multiple-gate feature being in contact with a top surface and sidewalls of at least one of the semiconductor mesas.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: March 22, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Wei Chen, Tang-Xuang Zhong, Sheng-Da Liu, Chang-Yun Chang, Ping-Kun Wu, Chao-Hsiung Wang, Fu-Liang Yang