Patents by Inventor Jeng-Bang Yau

Jeng-Bang Yau 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: 10573648
    Abstract: A method for manufacturing a semiconductor device comprises forming a bottom source/drain region on a semiconductor substrate, forming a channel region extending vertically from the bottom source/drain region, growing a top source/drain region from an upper portion of the channel region, and growing a gate region from a lower portion of the channel region under the upper portion, wherein the gate region is on more than one side of the channel region.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: February 25, 2020
    Assignee: International Business Machines Corporation
    Inventors: Karthik Balakrishnan, Bahman Hekmatshoartabari, Alexander Reznicek, Jeng-Bang Yau
  • Publication number: 20200058775
    Abstract: A method of manufacturing a vertical transistor device comprises forming a bottom source region on a semiconductor substrate, forming a channel region extending vertically from the bottom source region, forming a top drain region on an upper portion of the channel region, forming a first gate region having a first gate length around the channel region, and forming a second gate region over the first gate region and around the channel region, wherein the second gate region has a second gate length different from the first gate length, and wherein at least one dielectric layer is positioned between the first and second gate regions.
    Type: Application
    Filed: October 23, 2019
    Publication date: February 20, 2020
    Inventors: Karthik Balakrishnan, Bahman Hekmatshoartabari, Alexander Reznicek, Jeng-Bang Yau
  • Publication number: 20200044028
    Abstract: A semiconductor structure that occupies only one areal device area is provided that includes a charge storage region sandwiched between a pFET nanosheet device and an nFET nanosheet device. The charge storage region is an epitaxial oxide nanosheet that is lattice matched to an underlying first silicon channel material nanosheet and an overlying second silicon channel material nanosheet. The semiconductor structure can be used as an EPROM device.
    Type: Application
    Filed: July 31, 2018
    Publication date: February 6, 2020
    Inventors: Alexander Reznicek, Jeng-Bang Yau, Tak H. Ning, Ghavam G. Shahidi
  • Patent number: 10553708
    Abstract: A method of manufacturing a vertical transistor device comprises forming a bottom source region on a semiconductor substrate, forming a channel region extending vertically from the bottom source region, forming a top drain region on an upper portion of the channel region, forming a first gate region having a first gate length around the channel region, and forming a second gate region over the first gate region and around the channel region, wherein the second gate region has a second gate length different from the first gate length, and wherein at least one dielectric layer is positioned between the first and second gate regions.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: February 4, 2020
    Assignee: International Business Machines Corporation
    Inventors: Karthik Balakrishnan, Bahman Hekmatshoartabari, Alexander Reznicek, Jeng-Bang Yau
  • Patent number: 10553586
    Abstract: A semiconductor device comprises a substrate, a first source/drain region on the substrate, a first channel region extending vertically with respect to the substrate from the first source/drain region, a second source/drain region on the first channel region, a third source/drain region on the second source/drain region, a second channel region extending vertically with respect to the substrate from the third source/drain region, a fourth source/drain region on the second channel region, a first gate region formed around from the first channel region, and a second gate region formed around the second channel region.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: February 4, 2020
    Assignee: International Business Machines Corporation
    Inventors: Karthik Balakrishnan, Bahman Hekmatshoartabari, Alexander Reznicek, Jeng-Bang Yau
  • Publication number: 20200006366
    Abstract: Semiconductor device, memory arrays, and methods of forming a memory cell include or utilize one or more memory cells. The memory cell(s) include a first nanosheet transistor connected to a first terminal, a second nanosheet transistor located on top of the first nanosheet transistor and connected in parallel to the first nanosheet transistor and connected to a second terminal, where the first and second nanosheet transistors share a common floating gate and a common output terminal, and an access transistor connected in series to the common output terminal and a low voltage terminal, the access transistor configured to trigger hot-carrier injection to the common floating gate to change a voltage of the common floating gate.
    Type: Application
    Filed: April 4, 2019
    Publication date: January 2, 2020
    Inventors: Alexander Reznicek, Karthik Balakrishnan, Jeng-Bang Yau, Tak H. Ning
  • Publication number: 20190371923
    Abstract: A structure and method of forming a lateral bipolar junction transistor (LBJT) that includes: a first base layer, a second base layer over the first base layer, and an emitter region and collector region present on opposing sides of the first base layer, where the first base layer has a wider-band gap than the second base layer, and where the first base layer includes a III-V semiconductor material.
    Type: Application
    Filed: August 14, 2019
    Publication date: December 5, 2019
    Inventors: Pouya HASHEMI, Bahman HEKMATSHOARTABARI, Alexander REZNICEK, Karthik BALAKRISHNAN, Jeng-Bang YAU
  • Publication number: 20190363184
    Abstract: A method for forming the semiconductor device that includes forming a gate opening to a channel region of a fin structure; and forming a dielectric layer on the fin structure, in which an upper portion of the fin structure is exposed. A metal is formed within the gate opening. The portions of the metal directly contacting the upper surface of fin structure provide a body contact. The combination of the metal within the gate opening to the channel region of the fin structure and the dielectric layer provide a functional gate structure to the semiconductor device.
    Type: Application
    Filed: May 25, 2018
    Publication date: November 28, 2019
    Inventors: Alexander Reznicek, Tak H. Ning, Jeng-Bang Yau, Bahman Hekmatshoartabari
  • Publication number: 20190355830
    Abstract: A vertically stacked set of an n-type vertical transport field effect transistor (n-type VT FET) and a p-type vertical transport field effect transistor (p-type VT FET) is provided. The vertically stacked set of the n-type VT FET and the p-type VT FET includes a first bottom source/drain layer on a substrate, that has a first conductivity type, a lower channel pillar on the first bottom source/drain layer, and a first top source/drain on the lower channel pillar, that has the first conductivity type. The vertically stacked set of the n-type VT FET and the p-type VT FET further includes a second bottom source/drain on the first top source/drain, that has a second conductivity type different from the first conductivity type, an upper channel pillar on the second bottom source/drain, and a second top source/drain on the upper channel pillar, that has the second conductivity type.
    Type: Application
    Filed: May 15, 2018
    Publication date: November 21, 2019
    Inventors: Karthik Balakrishnan, Jeng-Bang Yau, Alexander Reznicek, Tak H. Ning
  • Publication number: 20190355831
    Abstract: Bipolar junction transistor structures and methods for making the same are provide. The method includes: providing a substrate with an insulator layer and a device layer over the insulator layer, forming an intrinsic base from the device layer, forming emitter and collector regions from the device layer, and after forming i) the intrinsic base and ii) the emitter and collector regions, depositing a single crystalline extrinsic base over the intrinsic base.
    Type: Application
    Filed: May 15, 2018
    Publication date: November 21, 2019
    Inventors: Pouya HASHEMI, Tak NING, Jeng-Bang YAU, Alexander REZNICEK
  • Patent number: 10483368
    Abstract: Bipolar junction transistor structures and methods for making the same are provide. The method includes: providing a substrate with an insulator layer and a device layer over the insulator layer, forming an intrinsic base from the device layer, forming emitter and collector regions from the device layer, and after forming i) the intrinsic base and ii) the emitter and collector regions, depositing a single crystalline extrinsic base over the intrinsic base.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: November 19, 2019
    Assignee: International Business Machines Corporation
    Inventors: Pouya Hashemi, Tak Ning, Jeng-Bang Yau, Alexander Reznicek
  • Publication number: 20190341382
    Abstract: A method for manufacturing a semiconductor device comprises forming a bottom source/drain region on a semiconductor substrate, forming a channel region extending vertically from the bottom source/drain region, growing a top source/drain region from an upper portion of the channel region, and growing a gate region from a lower portion of the channel region under the upper portion, wherein the gate region is on more than one side of the channel region.
    Type: Application
    Filed: July 16, 2019
    Publication date: November 7, 2019
    Inventors: Karthik Balakrishnan, Bahman Hekmatshoartabari, Alexander Reznicek, Jeng-Bang Yau
  • Patent number: 10468503
    Abstract: A vertically stacked set of an n-type vertical transport field effect transistor (n-type VT FET) and a p-type vertical transport field effect transistor (p-type VT FET) is provided. The vertically stacked set of the n-type VT FET and the p-type VT FET includes a first bottom source/drain layer on a substrate, that has a first conductivity type, a lower channel pillar on the first bottom source/drain layer, and a first top source/drain on the lower channel pillar, that has the first conductivity type. The vertically stacked set of the n-type VT FET and the p-type VT FET further includes a second bottom source/drain on the first top source/drain, that has a second conductivity type different from the first conductivity type, an upper channel pillar on the second bottom source/drain, and a second top source/drain on the upper channel pillar, that has the second conductivity type.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: November 5, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Karthik Balakrishnan, Jeng-Bang Yau, Alexander Reznicek, Tak H. Ning
  • Publication number: 20190312126
    Abstract: A lateral bipolar junction transistor including an emitter region, base region and collector region laterally orientated over a type IV semiconductor substrate, each of the emitter region, the base region and the collector region being composed of a type III-V semiconductor material. A buried oxide layer is present between the type IV semiconductor substrate and the emitter region, the base region and the collector region. The buried oxide layer having a pedestal aligned with the base region.
    Type: Application
    Filed: April 4, 2018
    Publication date: October 10, 2019
    Inventors: Kuen-Ting Shiu, Tak H. Ning, Jeng-Bang Yau, Cheng-Wei Cheng, Ko-Tao Lee
  • Publication number: 20190259755
    Abstract: A semiconductor device comprises a substrate, a first source/drain region on the substrate, a first channel region extending vertically with respect to the substrate from the first source/drain region, a second source/drain region on the first channel region, a third source/drain region on the second source/drain region, a second channel region extending vertically with respect to the substrate from the third source/drain region, a fourth source/drain region on the second channel region, a first gate region formed around from the first channel region, and a second gate region formed around the second channel region.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Inventors: Karthik Balakrishnan, Bahman Hekmatshoartabari, Alexander Reznicek, Jeng-Bang Yau
  • Publication number: 20190259756
    Abstract: A semiconductor device comprises a substrate, a first source/drain region on the substrate, a first channel region extending vertically with respect to the substrate from the first source/drain region, a second source/drain region on the first channel region, a third source/drain region on the second source/drain region, a second channel region extending vertically with respect to the substrate from the third source/drain region, a fourth source/drain region on the second channel region, a first gate region formed around from the first channel region, and a second gate region formed around the second channel region.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Inventors: Karthik Balakrishnan, Bahman Hekmatshoartabari, Alexander Reznicek, Jeng-Bang Yau
  • Patent number: 10381349
    Abstract: A semiconductor device comprises a substrate, a first source/drain region on the substrate, a first channel region extending vertically with respect to the substrate from the first source/drain region, a second source/drain region on the first channel region, a third source/drain region on the second source/drain region, a second channel region extending vertically with respect to the substrate from the third source/drain region, a fourth source/drain region on the second channel region, a first gate region formed around from the first channel region, and a second gate region formed around the second channel region.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: August 13, 2019
    Assignee: International Business Machines Corporation
    Inventors: Karthik Balakrishnan, Bahman Hekmatshoartabari, Alexander Reznicek, Jeng-Bang Yau
  • Publication number: 20190214309
    Abstract: Vertical MOSFET and JFET devices are incorporated on the same chip, enabling circuit designs that benefit from the simultaneous use of such devices. A fabrication method allows formation of the devices using a shared source/drain layer on a bulk semiconductor substrate.
    Type: Application
    Filed: March 15, 2019
    Publication date: July 11, 2019
    Inventors: Karthik Balakrishnan, Bahman Hekmatshoartabari, Alexander Reznicek, Jeng-Bang Yau
  • Publication number: 20190198108
    Abstract: A shared floating gate device, the device including an. nFET, a pFET including a different material than that of the nFET, and a floating gate.
    Type: Application
    Filed: February 27, 2019
    Publication date: June 27, 2019
    Inventors: Tak Ning, Jeng-Bang Yau
  • Patent number: 10319442
    Abstract: A shared floating gate device, the device including an nFET, a pFET including a different material than that of the nFET, and a floating gate.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: June 11, 2019
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Tak Ning, Jeng-Bang Yau