Patents by Inventor Chuanbin Pan

Chuanbin Pan 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: 20180166559
    Abstract: A method is provided that includes forming a word line above a substrate, the word line disposed in a first direction, the word line including a first portion including a first conductive material and a second portion including a second conductive material, forming a bit line above the substrate, the bit line disposed in a second direction perpendicular to the first direction, forming a nonvolatile memory material between the word line and the bit line, the nonvolatile memory material including a semiconductor material layer and a conductive oxide material layer, the semiconductor material layer disposed adjacent the second portion of the word line, and forming a memory cell including the nonvolatile memory material at an intersection of the local bit line and the word line.
    Type: Application
    Filed: December 13, 2016
    Publication date: June 14, 2018
    Applicant: SANDISK TECHNOLOGIES LLC
    Inventors: Guangle Zhou, Chuanbin Pan, Juan Saenz, Tanmay Kumar
  • Patent number: 9806256
    Abstract: A resistive memory device includes a first electrode, a sidewall spacer electrode located on a sidewall of a dielectric material contacting the first electrode, a resistive memory cell containing a resistive memory material and contacting the sidewall spacer electrode, and a second electrode containing the resistive memory cell.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: October 31, 2017
    Assignee: SANDISK TECHNOLOGIES LLC
    Inventors: Ming-Che Wu, Chuanbin Pan, Guangle Zhou, Tanmay Kumar
  • Patent number: 8987119
    Abstract: A method of making a semiconductor device includes providing an insulating layer containing a plurality of openings, forming a first semiconductor layer in the plurality of openings in the insulating layer and over the insulating layer, and removing a first portion of the first semiconductor layer, such that first conductivity type second portions of the first semiconductor layer remain in lower portions of the plurality of openings in the insulating layer, and upper portions of the plurality of openings in the insulating layer remain unfilled. The method also includes forming a second semiconductor layer in the upper portions of the plurality of openings in the insulating layer and over the insulating layer, and removing a first portion of the second semiconductor layer located over the insulating layer.
    Type: Grant
    Filed: February 14, 2011
    Date of Patent: March 24, 2015
    Assignee: Sandisk 3D LLC
    Inventors: Vance Dunton, S. Brad Herner, Paul Wai Kie Poon, Chuanbin Pan, Michael Chan, Michael Konevecki, Usha Raghuram
  • Patent number: 8981331
    Abstract: In some embodiments, a memory cell is provided that includes a metal-insulator-metal stack and a steering element coupled to the metal-insulator-metal stack. The metal-insulator-metal stack includes a first conductive layer, a reversible resistivity switching layer above the first conductive layer, and a second conductive layer above the reversible resistivity switching layer. The first conductive layer and/or the second conductive layer includes a first semiconductor material layer. The steering element includes the first semiconductor material layer. Numerous other aspects are provided.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: March 17, 2015
    Assignee: SanDisk 3D LLC
    Inventors: Yung-Tin Chen, Chuanbin Pan, Andrei Mihnea, Steven Maxwell, Kun Hou
  • Patent number: 8969845
    Abstract: A memory cell is provided that includes a steering element, a metal-insulator-metal stack coupled in series with the steering element, and a conductor above the metal-insulator-metal stack. The steering element includes a diode having an n-region and a p-region. The metal-insulator-metal stack includes a reversible resistivity-switching material between a top electrode and a bottom electrode, and the top electrode includes a highly doped semiconductor material. The memory cell does not include a metal layer disposed between the metal-insulator-metal stack and the conductor. The bottom electrode includes the n-region or the p-region of the diode, and the reversible resistivity-switching material is directly adjacent the n-region or the p-region of the diode. Numerous other aspects are provided.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: March 3, 2015
    Assignee: SanDisk 3D LLC
    Inventors: Yung-Tin Chen, Chuanbin Pan, Andrei Mihnea, Steven Maxwell, Kun Hou
  • Publication number: 20140284538
    Abstract: A memory cell is provided that includes a steering element, a metal-insulator-metal stack coupled in series with the steering element, and a conductor above the metal-insulator-metal stack. The steering element includes a diode having an n-region and a p-region. The metal-insulator-metal stack includes a reversible resistivity-switching material between a top electrode and a bottom electrode, and the top electrode includes a highly doped semiconductor material. The memory cell does not include a metal layer disposed between the metal-insulator-metal stack and the conductor. The bottom electrode includes the n-region or the p-region of the diode, and the reversible resistivity-switching material is directly adjacent the n-region or the p-region of the diode. Numerous other aspects are provided.
    Type: Application
    Filed: June 9, 2014
    Publication date: September 25, 2014
    Inventors: Yung-Tin Chen, Chuanbin Pan, Andrei Mihnea, Steven Maxwell, Kun Hou
  • Patent number: 8592793
    Abstract: A non-volatile memory device includes a plurality of pillars, where each of the plurality of pillars contains a non-volatile memory cell containing a steering element and a storage element and at least one of a top corner or a bottom corner of each of the plurality of pillars is rounded. A method of making non-volatile memory device includes forming a stack of device layers, and patterning the stack to form a plurality of pillars, where each of the plurality of pillars contains a non-volatile memory cell that contains a steering element and a storage element, and where at least one of top corner or bottom corner of each of the plurality of pillars is rounded.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: November 26, 2013
    Assignee: SanDisk 3D LLC
    Inventors: Xiying Chen, Huiwen Xu, Chuanbin Pan
  • Patent number: 8450181
    Abstract: A nonvolatile memory cell including a storage element in series with a diode steering element. At least one interface of the diode steering element is passivated.
    Type: Grant
    Filed: January 8, 2010
    Date of Patent: May 28, 2013
    Assignee: SanDisk 3D LLC
    Inventors: Xiying Chen, Kun Hou, Chuanbin Pan, Abhijit Bandyopadhyay, Yung-Tin Chen
  • Patent number: 8389971
    Abstract: In some embodiments, a memory cell is provided that includes a storage element formed from an MIM stack including (1) a first conductive layer; (2) an RRS layer formed above the first conductive layer; and (3) a second conductive layer formed above the RRS layer, at least one of the first and second conductive layers comprising a first semiconductor material layer. The memory cell includes a steering element coupled to the storage element, the steering element formed from the first semiconductor material layer of the MIM stack and one or more additional material layers. Numerous other aspects are provided.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: March 5, 2013
    Assignee: SanDisk 3D LLC
    Inventors: Yung-Tin Chen, Chuanbin Pan, Andrei Mihnea, Steven Maxwell, Kun Hou
  • Publication number: 20120091419
    Abstract: In some embodiments, a memory cell is provided that includes a storage element formed from an MIM stack including (1) a first conductive layer; (2) an RRS layer formed above the first conductive layer; and (3) a second conductive layer formed above the RRS layer, at least one of the first and second conductive layers comprising a first semiconductor material layer. The memory cell includes a steering element coupled to the storage element, the steering element formed from the first semiconductor material layer of the MIM stack and one or more additional material layers. Numerous other aspects are provided.
    Type: Application
    Filed: October 14, 2010
    Publication date: April 19, 2012
    Inventors: Yung-Tin Chen, Chuanbin Pan, Andrei Mihnea, Steven Maxell, Kun Hou
  • Publication number: 20110169126
    Abstract: A nonvolatile memory cell including a storage element in series with a diode steering element. At least one interface of the diode steering element is passivated.
    Type: Application
    Filed: January 8, 2010
    Publication date: July 14, 2011
    Inventors: Xiying Chen, Kun Hou, Chuanbin Pan, Abhijit Bandyopadhyay, Yung-Tin Chen
  • Publication number: 20110136326
    Abstract: A method of making a semiconductor device includes providing an insulating layer containing a plurality of openings, forming a first semiconductor layer in the plurality of openings in the insulating layer and over the insulating layer, and removing a first portion of the first semiconductor layer, such that first conductivity type second portions of the first semiconductor layer remain in lower portions of the plurality of openings in the insulating layer, and upper portions of the plurality of openings in the insulating layer remain unfilled. The method also includes forming a second semiconductor layer in the upper portions of the plurality of openings in the insulating layer and over the insulating layer, and removing a first portion of the second semiconductor layer located over the insulating layer.
    Type: Application
    Filed: February 14, 2011
    Publication date: June 9, 2011
    Applicant: SanDisk 3D LLC
    Inventors: Vance DUNTON, S. Brad Herner, Paul Wai Kie Poon, Chuanbin Pan, Michael Chan, Michael Konevecki, Usha Raghuram
  • Patent number: 7955981
    Abstract: A non-volatile memory device includes a plurality of pillars, where each of the plurality of pillars contains a non-volatile memory cell containing a steering element and a storage element and at least one of a top corner or a bottom corner of each of the plurality of pillars is rounded. A method of making non-volatile memory device includes forming a stack of device layers, and patterning the stack to form a plurality of pillars, where each of the plurality of pillars contains a non-volatile memory cell that contains a steering element and a storage element, and where at least one of top corner or bottom corner of each of the plurality of pillars is rounded.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: June 7, 2011
    Assignee: SanDisk 3D LLC
    Inventors: Xiying Chen, Huiwen Xu, Chuanbin Pan
  • Patent number: 7906392
    Abstract: A method of making a semiconductor device includes providing an insulating layer containing a plurality of openings, forming a first semiconductor layer in the plurality of openings in the insulating layer and over the insulating layer, and removing a first portion of the first semiconductor layer, such that first conductivity type second portions of the first semiconductor layer remain in lower portions of the plurality of openings in the insulating layer, and upper portions of the plurality of openings in the insulating layer remain unfilled. The method also includes forming a second semiconductor layer in the upper portions of the plurality of openings in the insulating layer and over the insulating layer, and removing a first portion of the second semiconductor layer located over the insulating layer.
    Type: Grant
    Filed: January 15, 2008
    Date of Patent: March 15, 2011
    Assignee: SanDisk 3D LLC
    Inventors: Vance Dunton, S. Brad Herner, Paul Wai Kie Poon, Chuanbin Pan, Michael Chan, Michael Konevecki, Usha Raghuram
  • Publication number: 20100327254
    Abstract: A non-volatile memory device includes a plurality of pillars, where each of the plurality of pillars contains a non-volatile memory cell containing a steering element and a storage element and at least one of a top corner or a bottom corner of each of the plurality of pillars is rounded. A method of making non-volatile memory device includes forming a stack of device layers, and patterning the stack to form a plurality of pillars, where each of the plurality of pillars contains a non-volatile memory cell that contains a steering element and a storage element, and where at least one of top corner or bottom corner of each of the plurality of pillars is rounded.
    Type: Application
    Filed: June 30, 2009
    Publication date: December 30, 2010
    Inventors: Xiying Chen, Huiwen XU, Chuanbin PAN
  • Patent number: 7723180
    Abstract: A method of making a non-volatile memory device includes forming a first electrode, forming a steering element, forming at least one feature, forming a carbon resistivity switching material on at least one sidewall of the at least one feature such that the carbon resistivity switching material electrically contacts the steering element, and forming a second electrode.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: May 25, 2010
    Assignee: SanDisk 3D LLC
    Inventors: Xiying Chen, Chuanbin Pan, Tanmay Kumar, Er-Xuan Ping
  • Publication number: 20090258489
    Abstract: A method of making a non-volatile memory device includes forming a first electrode, forming a steering element, forming at least one feature, forming a carbon resistivity switching material on at least one sidewall of the at least one feature such that the carbon resistivity switching material electrically contacts the steering element, and forming a second electrode.
    Type: Application
    Filed: May 27, 2008
    Publication date: October 15, 2009
    Inventors: Xiying Chen, Chuanbin Pan, Tanmay Kumar, Er-Xuan Ping
  • Publication number: 20090179310
    Abstract: A method of making a semiconductor device includes providing an insulating layer containing a plurality of openings, forming a first semiconductor layer in the plurality of openings in the insulating layer and over the insulating layer, and removing a first portion of the first semiconductor layer, such that first conductivity type second portions of the first semiconductor layer remain in lower portions of the plurality of openings in the insulating layer, and upper portions of the plurality of openings in the insulating layer remain unfilled. The method also includes forming a second semiconductor layer in the upper portions of the plurality of openings in the insulating layer and over the insulating layer, and removing a first portion of the second semiconductor layer located over the insulating layer.
    Type: Application
    Filed: January 15, 2008
    Publication date: July 16, 2009
    Inventors: Vance Dunton, S. Brad Herner, Paul Wai Kie Poon, Chuanbin Pan, Michael Chan, Michael Konevecki, Usha Raghuram
  • Patent number: 6309956
    Abstract: The present invention relates to semiconductor devices. More specifically, the invention discloses the use of dummy structures to improve thermal conductivity, reduce dishing and strengthen layers formed with low dielectric constant materials.
    Type: Grant
    Filed: August 10, 1999
    Date of Patent: October 30, 2001
    Assignee: Intel Corporation
    Inventors: Chien Chiang, David B. Fraser, Anne S. Mack, Jin Lee, Sing-Mo Tzeng, Chuanbin Pan, Vicky Ochoa, Thomas Marieb, Sychyi Fang
  • Patent number: 6154366
    Abstract: A chip-on-flex package which includes at least one moisture barrier layer to prevent metal corrosion and delamination of flex component layers. An exemplary microelectronic package includes a microelectronic die having an active surface and at least one side, wherein the microelectronic die active surface includes at least one contact. A flex component is attached by a first surface to the microelectronic die active surface. At least one conductive trace is disposed on a second surface of the flex component and extends through the flex component to contact at least one of the contacts. An encapsulation material is adjacent the microelectronic die side and a bottom surface of the flex component. A moisture barrier is disposed on the flex component and the conductive trace(s). A second moisture barrier may be disposed on the encapsulation material. A heat dissipation device may also be incorporated into the chip-on-flex package.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: November 28, 2000
    Assignee: Intel Corporation
    Inventors: Qing Ma, Chun Mu, Harry Fujimoto, John Carruthers, Jian Li, Chuanbin Pan