Patents by Inventor Mickey H. Yu

Mickey H. Yu 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: 11637173
    Abstract: A structure includes a semiconductor substrate, and a polycrystalline resistor region over the semiconductor substrate. The polycrystalline resistor region includes a semiconductor material in a polycrystalline morphology. A dopant-including polycrystalline region is between the polycrystalline resistor region and the semiconductor substrate.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 25, 2023
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Yves T. Ngu, Siva P. Adusumilli, Steven M. Shank, Michael J. Zierak, Mickey H. Yu
  • Patent number: 11444149
    Abstract: A resistor includes at least one polysilicon resistor element in a semiconductor substrate with each polysilicon resistor element having a continuous U-shape with a continuous lateral bottom. The resistor may include an insulator within a valley of the U-shape of each polysilicon resistor element. A plurality of polysilicon resistor elements can be sequentially interconnected to create a serpentine polysilicon resistor. The resistor may also include a dopant-including high resistivity (HR) polysilicon layer thereunder to provide electrical isolation from, and better thermal conduction to, for example, a base semiconductor substrate. The resistor can be used in an SOI substrate. A related method is also disclosed.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: September 13, 2022
    Assignee: GlobalFoundries U.S. Inc.
    Inventors: Siva P. Adusumilli, Steven M. Shank, Yves T. Ngu, Mickey H. Yu
  • Publication number: 20220271116
    Abstract: A resistor includes at least one polysilicon resistor element in a semiconductor substrate with each polysilicon resistor element having a continuous U-shape with a continuous lateral bottom. The resistor may include an insulator within a valley of the U-shape of each polysilicon resistor element. A plurality of polysilicon resistor elements can be sequentially interconnected to create a serpentine polysilicon resistor. The resistor may also include a dopant-including high resistivity (HR) polysilicon layer thereunder to provide electrical isolation from, and better thermal conduction to, for example, a base semiconductor substrate. The resistor can be used in an SOI substrate. A related method is also disclosed.
    Type: Application
    Filed: February 23, 2021
    Publication date: August 25, 2022
    Inventors: Siva P. Adusumilli, Steven M. Shank, Yves T. Ngu, Mickey H. Yu
  • Publication number: 20220102480
    Abstract: A structure includes a semiconductor substrate, and a polycrystalline resistor region over the semiconductor substrate. The polycrystalline resistor region includes a semiconductor material in a polycrystalline morphology. A dopant-including polycrystalline region is between the polycrystalline resistor region and the semiconductor substrate.
    Type: Application
    Filed: September 29, 2020
    Publication date: March 31, 2022
    Inventors: Yves T. Ngu, Siva P. Adusumilli, Steven M. Shank, Michael J. Zierak, Mickey H. Yu
  • Publication number: 20200135856
    Abstract: The disclosure provides an apparatus for preventing an integrated circuit (IC) structure from entering a latch-up mode. In an embodiment, the apparatus may include: a p-type substrate; an n-well within the p-type substrate; an n-type region within the p-type substrate, the n-type region being distinct from the n-well; a p-type region within the n-well; a power supply electrically coupled to the p-type region within the n-well; and a directional diode electrically coupling the power supply to the n-well in parallel with the p-type region. The directional diode biases a current flow from the power supply to the n-well, and the directional diode contacts the n-well distal to the p-type region.
    Type: Application
    Filed: October 31, 2018
    Publication date: April 30, 2020
    Inventors: Shunhua T. Chang, Ephrem G. Gebreselasie, Mujahid Muhammad, Xiangxiang Lu, Mickey H. Yu
  • Patent number: 10636872
    Abstract: The disclosure provides an apparatus for preventing an integrated circuit (IC) structure from entering a latch-up mode. In an embodiment, the apparatus may include: a p-type substrate; an n-well within the p-type substrate; an n-type region within the p-type substrate, the n-type region being distinct from the n-well; a p-type region within the n-well; a power supply electrically coupled to the p-type region within the n-well; and a directional diode electrically coupling the power supply to the n-well in parallel with the p-type region. The directional diode biases a current flow from the power supply to the n-well, and the directional diode contacts the n-well distal to the p-type region.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: April 28, 2020
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Shunhua T. Chang, Ephrem G. Gebreselasie, Mujahid Muhammad, Xiangxiang Lu, Mickey H. Yu
  • Publication number: 20190229207
    Abstract: Disclosed is an integrated circuit (IC) structure that incorporates a string of vertical devices. Embodiments of the IC structure include a string of two or more vertical diodes. Other embodiments include a vertical diode/silicon-controlled rectifier (SCR) string and, more particularly, a diode-triggered silicon-controlled rectifier (VDTSCR). In any case, each embodiment of the IC structure includes an N-well in a substrate and, within that N-well, a P-doped region and an N-doped region that abuts the P-doped region. The P-doped region can be anode of a vertical diode and can be electrically connected to the N-doped region (e.g., by a local interconnect or by contacts and metal wiring) such that the vertical diode is electrically connected to another vertical device (e.g., another vertical diode or a SCR with vertically-oriented features). Also disclosed is a manufacturing method that can be integrated with methods of manufacturing vertical field effect transistors (VFETs).
    Type: Application
    Filed: January 24, 2018
    Publication date: July 25, 2019
    Applicant: GLOBALFOUNDRIES INC.
    Inventors: Tsung-Che Tsai, Alain F. Loiseau, Robert J. Gauthier, JR., Souvick Mitra, You Li, Mickey H. Yu
  • Patent number: 10361293
    Abstract: Disclosed is an integrated circuit (IC) structure that incorporates a string of vertical devices. Embodiments of the IC structure include a string of two or more vertical diodes. Other embodiments include a vertical diode/silicon-controlled rectifier (SCR) string and, more particularly, a diode-triggered silicon-controlled rectifier (VDTSCR). In any case, each embodiment of the IC structure includes an N-well in a substrate and, within that N-well, a P-doped region and an N-doped region that abuts the P-doped region. The P-doped region can be anode of a vertical diode and can be electrically connected to the N-doped region (e.g., by a local interconnect or by contacts and metal wiring) such that the vertical diode is electrically connected to another vertical device (e.g., another vertical diode or a SCR with vertically-oriented features). Also disclosed is a manufacturing method that can be integrated with methods of manufacturing vertical field effect transistors (VFETs).
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: July 23, 2019
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Tsung-Che Tsai, Alain F. Loiseau, Robert J. Gauthier, Jr., Souvick Mitra, You Li, Mickey H. Yu
  • Patent number: 9818873
    Abstract: Various embodiments include methods and integrated circuit structures. In some cases, a method of forming an integrated circuit structure can include: forming a doped silicon layer over a substrate; forming a plurality of fin structures from the doped silicon layer; forming a plurality of gate structures over the plurality of fin structures, each of the plurality of gate structures separated from a neighboring gate structure by a first pitch; forming a mask over the plurality of gate structures, exposing at least one of the plurality of gate structures; removing the at least one of the plurality of gate structures, wherein two of the remaining gate structures after the removing are separated by a second pitch larger than the first pitch; and forming an epitaxial region over the substrate between the two of the remaining gate structures.
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: November 14, 2017
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Emre Alptekin, Lars W. Liebmann, Injo Ok, Balasubramanian Pranatharthiharan, Ravikumar Ramachandran, Soon-Cheon Seo, Charan V. V. S. Surisetty, Mickey H. Yu
  • Publication number: 20170104100
    Abstract: Various embodiments include methods and integrated circuit structures. In some cases, a method of forming an integrated circuit structure can include: forming a doped silicon layer over a substrate; forming a plurality of fin structures from the doped silicon layer; forming a plurality of gate structures over the plurality of fin structures, each of the plurality of gate structures separated from a neighboring gate structure by a first pitch; forming a mask over the plurality of gate structures, exposing at least one of the plurality of gate structures; removing the at least one of the plurality of gate structures, wherein two of the remaining gate structures after the removing are separated by a second pitch larger than the first pitch; and forming an epitaxial region over the substrate between the two of the remaining gate structures.
    Type: Application
    Filed: October 9, 2015
    Publication date: April 13, 2017
    Inventors: Emre Alptekin, Lars W. Liebmann, Injo Ok, Balasubramanian Pranatharthiharan, Ravikumar Ramachandran, Soon-Cheon Seo, Charan V.V.S. Surisetty, Mickey H. Yu
  • Patent number: 9431399
    Abstract: A method for forming a semiconductor device comprises forming a first fin and a second fin on a semiconductor substrate, forming a sacrificial gate stack over a channel region of the first fin and the second fin, depositing a layer of spacer material over the first fin and the second fin, depositing a layer of dielectric material over the layer of spacer material, removing a portion of the dielectric material to form a first cavity that exposes a portion of the first fin, epitaxially growing a first semiconductor material on the exposed portion of the first fin to form a source/drain region on the first fin, depositing a protective layer on the source/drain region on the first fin, removing a portion of the dielectric material to form a second cavity that exposes a portion of the second fin, and epitaxially growing a source/drain region on the second fin.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: August 30, 2016
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Emre Alptekin, Balasubramanian Pranatharthiharan, Sivananda Kanakasabapathy, Ravikumar Ramachandran, Mickey H. Yu
  • Publication number: 20160111447
    Abstract: Merged fin structures for finFET devices and methods of manufacture are disclosed. The method of forming the structure includes forming a plurality of fin structures on an insulator layer. The method further includes forming a faceted structure on adjacent fin structures of the plurality of fin structures. The method further includes spanning a gap between the faceted structures on the adjacent fin structures with a semiconductor material.
    Type: Application
    Filed: October 15, 2014
    Publication date: April 21, 2016
    Inventors: Andres BRYANT, Brian J. GREENE, Jeffrey B. JOHNSON, Mickey H. YU
  • Patent number: 9312274
    Abstract: Merged fin structures for finFET devices and methods of manufacture are disclosed. The method of forming the structure includes forming a plurality of fin structures on an insulator layer. The method further includes forming a faceted structure on adjacent fin structures of the plurality of fin structures. The method further includes spanning a gap between the faceted structures on the adjacent fin structures with a semiconductor material.
    Type: Grant
    Filed: October 15, 2014
    Date of Patent: April 12, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Andres Bryant, Brian J. Greene, Jeffrey B. Johnson, Mickey H. Yu
  • Patent number: 8536018
    Abstract: A low power maskless inter-well deep trench isolation structure and methods of manufacture such structure are provided. A method includes depositing a plurality of layers over a substrate, and forming a layer over the plurality of layers. The method also includes forming well structures in the substrate, and forming sidewall spacers at opposing sides of the layer. The method further includes forming a self-aligned deep trench in the substrate to below the well structures, by removing the sidewall spacers and portions of the substrate aligned with an opening formed by the removal of the sidewall spacers. The method also includes forming a shallow trench in alignment with the deep trench. The method further includes forming shallow trench isolation structures and deep trench isolation structures by filling the shallow trench and the deep trench with insulator material.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: September 17, 2013
    Assignees: International Business Machines Corporation, Toshiba America Electronic Components, Inc.
    Inventors: Brent A. Anderson, Andres Bryant, Josephine B. Chang, Michael A. Guillorn, Ryoji Hasumi, Edward J. Nowak, Mickey H. Yu
  • Patent number: 8028924
    Abstract: A device and method for providing an integrated circuit with a unique identification. The device is usable on an integrated circuit (IC) for generating an identification (ID) identifying the IC and includes a plurality of identification cells each utilizing one of a four wire resistor, thin film resistors, and an inverter pair. A measurement circuit measures a parameter of each cell and is utilized in generating the ID in response thereto.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: October 4, 2011
    Assignee: International Business Machines Corporation
    Inventors: Brent A. Anderson, Andres Bryant, Alain Loiseau, Anthony K. Stamper, Mickey H. Yu
  • Publication number: 20110062240
    Abstract: A device and method for providing an integrated circuit with a unique identification. The device is usable on an integrated circuit (IC) for generating an identification (ID) identifying the IC and includes a plurality of identification cells each utilizing one of a four wire resistor, thin film resistors, and an inverter pair. A measurement circuit measures a parameter of each cell and is utilized in generating the ID in response thereto.
    Type: Application
    Filed: September 15, 2009
    Publication date: March 17, 2011
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Brent A. ANDERSON, Andres BRYANT, Alain LOISEAU, Anthony K. STAMPER, Mickey H. YU
  • Patent number: 7723178
    Abstract: A semiconductor structure fabrication method. The method includes providing a semiconductor structure which includes a first semiconductor layer and a dielectric bottom portion in the first semiconductor layer. A second semiconductor layer on the first semiconductor layer is formed. The first and second semiconductor layers include a semiconductor material. A dielectric top portion and a first STI (Shallow Trench Isolation) region are formed in the second semiconductor layer. The dielectric top portion is in direct physical contact with the dielectric bottom portion.
    Type: Grant
    Filed: July 18, 2008
    Date of Patent: May 25, 2010
    Assignee: International Business Machines Corporation
    Inventors: James William Adkisson, Andres Bryant, Anthony Kendall Stamper, Mickey H. Yu
  • Publication number: 20100015765
    Abstract: A semiconductor structure fabrication method. The method includes providing a semiconductor structure which includes a first semiconductor layer and a dielectric bottom portion in the first semiconductor layer. A second semiconductor layer on the first semiconductor layer is formed. The first and second semiconductor layers include a semiconductor material. A dielectric top portion and a first STI (Shallow Trench Isolation) region are formed in the second semiconductor layer. The dielectric top portion is in direct physical contact with the dielectric bottom portion.
    Type: Application
    Filed: July 18, 2008
    Publication date: January 21, 2010
    Inventors: James William Adkisson, Andres Bryant, Anthony Kendall Stamper, Mickey H. Yu
  • Publication number: 20090267156
    Abstract: Device structures and design structures for a static random access memory. The device structure includes a well of a first conductivity type in a semiconductor layer, first and second deep trench isolation regions in the semiconductor layer that laterally bound a device region in the well, and first and second pluralities of doped regions of a second conductivity type in the first device region. A shallow trench isolation region extends laterally across in the device region to connect the first and second deep trench isolation regions, and is disposed in the device region between the first and second pluralities of doped regions. The shallow trench isolation region extends from the top surface into the semiconductor layer to a first depth such that the well is continuous beneath the shallow trench isolation region. A gate stack controls carrier flow between a pair of the first plurality of doped regions.
    Type: Application
    Filed: April 29, 2008
    Publication date: October 29, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Brent A. Anderson, Andres Bryant, Josephine B. Chang, Michael A. Guillorn, Ryoji Hasumi, Edward J. Nowak, Mickey H. Yu
  • Publication number: 20090269897
    Abstract: Methods for fabricating dual-depth trench isolation regions for a memory cell. First and second deep trench isolation regions are formed in the semiconductor layer that laterally bound a device region in a well of a first conductivity type in the semiconductor layer. First and second pluralities of doped regions of a second conductivity type are formed in the device region. A shallow trench isolation region is formed that extends laterally across the device region from the first deep trench isolation region to the second deep trench isolation region. The shallow trench isolation region is disposed in the device region between the first and second pluralities of doped regions. The shallow trench isolation region extends into the semiconductor layer to a depth such that the well is continuous beneath the shallow trench isolation region. A gate stack controls carrier flow between a pair of the first plurality of doped regions.
    Type: Application
    Filed: April 29, 2008
    Publication date: October 29, 2009
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Brent A. Anderson, Andres Bryant, Josephine B. Chang, Michael A. Guillorn, Ryoji Hasumi, Edward J. Nowak, Mickey H. Yu