Patents by Inventor Lia Krusin-Elbaum

Lia Krusin-Elbaum 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: 8987084
    Abstract: A memory cell device includes a semiconductor nanowire extending, at a first end thereof, from a substrate; the nanowire having a doping profile so as to define a field effect transistor (FET) adjacent the first end, the FET further including a gate electrode at least partially surrounding the nanowire, the doping profile further defining a p-n junction in series with the FET, the p-n junction adjacent a second end of the nanowire; and a phase change material at least partially surrounding the nanowire, at a location corresponding to the p-n junction.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: March 24, 2015
    Assignee: International Business Machines Corporation
    Inventors: Bruce G. Elmegreen, Lia Krusin-Elbaum, Dennis M. Newns, Robert L. Sandstrom
  • Patent number: 8586957
    Abstract: A three-terminal switching device for use in integrated circuit devices, including a phase change material (PCM) disposed in contact between a first terminal and a second terminal; a heating device disposed in direct electrical contact between said second terminal and a third terminal, said heating device positioned proximate said PCM, and configured to switch the conductivity of a transformable portion of said PCM between a lower resistance crystalline state and a higher resistance amorphous state; and an insulating layer configured to electrically isolate said heater from said PCM material, and said heater from said first terminal.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: November 19, 2013
    Assignee: International Business Machines Corporation
    Inventors: Lia Krusin-Elbaum, Dennis M. Newns, Matthew R. Wordeman
  • Patent number: 8466444
    Abstract: A switching circuit includes a plurality of three-terminal PCM switching devices connected between a voltage supply terminal and a sub-block of logic. Each of the switching devices includes a PCM disposed in contact between a first terminal and a second terminal, a heating device disposed in contact between the second terminal and a third terminal, the heating device positioned proximate the PCM, and configured to switch the conductivity of a transformable portion of the PCM between a lower resistance state and a higher resistance state; and an insulating layer configured to electrically isolate the heater from said PCM material, and the heater from the first terminal. The third terminal of a first of the PCM switching devices is coupled to a set/reset switch, and the third terminal of the remaining PCM switching devices is coupled to the second terminal of an adjacent PCM switching device in a cascade configuration.
    Type: Grant
    Filed: February 27, 2012
    Date of Patent: June 18, 2013
    Assignee: International Business Machines Corporation
    Inventors: Lia Krusin-Elbaum, Dennis M. Newns, Matthew R. Wordeman
  • Patent number: 8405279
    Abstract: A coupling structure for coupling piezoelectric material generated stresses to an actuated device of an integrated circuit includes a rigid stiffener structure formed around a piezoelectric (PE) material and the actuated device, the actuated device comprising a piezoresistive (PR) material that has an electrical resistance dependent upon an applied pressure thereto; and a soft buffer structure formed around the PE material and PR material, the buffer structure disposed between the PE and PR materials and the stiffener structure, wherein the stiffener structure clamps both the PE and PR materials to a substrate over which the PE and PR materials are formed, and wherein the soft buffer structure permits the PE material freedom to move relative to the PR material, thereby coupling stress generated by an applied voltage to the PE material to the PR material so as change the electrical resistance of the PR material.
    Type: Grant
    Filed: June 26, 2012
    Date of Patent: March 26, 2013
    Assignee: International Business Machines Corporation
    Inventors: Bruce G. Elmegreen, Lia Krusin-Elbaum, Glenn J. Martyna, Xiao Hu Liu, Dennis M. Newns, Kuan-Neng Chen
  • Publication number: 20120270353
    Abstract: A coupling structure for coupling piezoelectric material generated stresses to an actuated device of an integrated circuit includes a rigid stiffener structure formed around a piezoelectric (PE) material and the actuated device, the actuated device comprising a piezoresistive (PR) material that has an electrical resistance dependent upon an applied pressure thereto; and a soft buffer structure formed around the PE material and PR material, the buffer structure disposed between the PE and PR materials and the stiffener structure, wherein the stiffener structure clamps both the PE and PR materials to a substrate over which the PE and PR materials are formed, and wherein the soft buffer structure permits the PE material freedom to move relative to the PR material, thereby coupling stress generated by an applied voltage to the PE material to the PR material so as change the electrical resistance of the PR material.
    Type: Application
    Filed: June 26, 2012
    Publication date: October 25, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Bruce G. Elmegreen, Lia Krusin-Elbaum, Glenn J. Martyna, Xiao Hu Liu, Dennis M. Newns, Kuan-Neng Chen
  • Publication number: 20120225527
    Abstract: A memory cell device includes a semiconductor nanowire extending, at a first end thereof, from a substrate; the nanowire having a doping profile so as to define a field effect transistor (FET) adjacent the first end, the FET further including a gate electrode at least partially surrounding the nanowire, the doping profile further defining a p-n junction in series with the FET, the p-n junction adjacent a second end of the nanowire; and a phase change material at least partially surrounding the nanowire, at a location corresponding to the p-n junction.
    Type: Application
    Filed: May 15, 2012
    Publication date: September 6, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Bruce G. Elmegreen, Lia Krusin-Elbaum, Dennis M. Newns, Robert L. Sandstrom
  • Patent number: 8247947
    Abstract: A coupling structure for coupling piezoelectric material generated stresses to an actuated device of an integrated circuit includes a rigid stiffener structure formed around a piezoelectric (PE) material and the actuated device, the actuated device comprising a piezoresistive (PR) material that has an electrical resistance dependent upon an applied pressure thereto; and a soft buffer structure formed around the PE material and PR material, the buffer structure disposed between the PE and PR materials and the stiffener structure, wherein the stiffener structure clamps both the PE and PR materials to a substrate over which the PE and PR materials are formed, and wherein the soft buffer structure permits the PE material freedom to move relative to the PR material, thereby coupling stress generated by an applied voltage to the PE material to the PR material so as change the electrical resistance of the PR material.
    Type: Grant
    Filed: December 7, 2009
    Date of Patent: August 21, 2012
    Assignee: International Business Machines Corporation
    Inventors: Bruce G. Elmegreen, Lia Krusin-Elbaum, Glenn J. Martyna, Xiao Hu Liu, Dennis M. Newns, Kuan-Neng Chen
  • Patent number: 8243507
    Abstract: Programmable via devices and methods for the fabrication thereof are provided. In one aspect, a programmable via device is provided.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: August 14, 2012
    Assignee: International Business Machines Corporation
    Inventors: Kuan-Neng Chen, Lia Krusin-Elbaum, Dennis M. Newns, Sampath Purushothaman
  • Patent number: 8213224
    Abstract: A memory cell device includes a semiconductor nanowire extending, at a first end thereof, from a substrate; the nanowire having a doping profile so as to define a field effect transistor (FET) adjacent the first end, the FET further including a gate electrode at least partially surrounding the nanowire, the doping profile further defining a p-n junction in series with the FET, the p-n junction adjacent a second end of the nanowire; and a phase change material at least partially surrounding the nanowire, at a location corresponding to the p-n junction.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: July 3, 2012
    Assignee: International Business Machines Corporation
    Inventors: Bruce G. Elmegreen, Lia Krusin-Elbaum, Dennis M. Newns, Robert L. Sandstrom
  • Publication number: 20120153248
    Abstract: A switching circuit includes a plurality of three-terminal PCM switching devices connected between a voltage supply terminal and a sub-block of logic. Each of the switching devices includes a PCM disposed in contact between a first terminal and a second terminal, a heating device disposed in contact between the second terminal and a third terminal, the heating device positioned proximate the PCM, and configured to switch the conductivity of a transformable portion of the PCM between a lower resistance state and a higher resistance state; and an insulating layer configured to electrically isolate the heater from said PCM material, and the heater from the first terminal. The third terminal of a first of the PCM switching devices is coupled to a set/reset switch, and the third terminal of the remaining PCM switching devices is coupled to the second terminal of an adjacent PCM switching device in a cascade configuration.
    Type: Application
    Filed: February 27, 2012
    Publication date: June 21, 2012
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Lia Krusin-Elbaum, Dennis M. Newns, Matthew R. Wordeman
  • Patent number: 8159854
    Abstract: A piezo-effect transistor (PET) device includes a piezoelectric (PE) material disposed between first and second electrodes; and a piezoresistive (PR) material disposed between the second electrode and a third electrode, wherein the first electrode comprises a gate terminal, the second electrode comprises a common terminal, and the third electrode comprises an output terminal such that an electrical resistance of the PR material is dependent upon an applied voltage across the PE material by way of an applied pressure to the PR material by the PE material.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: April 17, 2012
    Assignee: International Business Machines Corporation
    Inventors: Bruce G. Elmegreen, Lia Krusin-Elbaum, Glenn J. Martyna, Xiao Hu Liu, Dennis M. Newns
  • Patent number: 8143609
    Abstract: A switching circuit includes a plurality of three-terminal PCM switching devices connected between a voltage supply terminal and a sub-block of logic. Each of the switching devices includes a PCM disposed in contact between a first terminal and a second terminal, a heating device disposed in contact between the second terminal and a third terminal, the heating device positioned proximate the PCM, and configured to switch the conductivity of a transformable portion of the PCM between a lower resistance state and a higher resistance state; and an insulating layer configured to electrically isolate the heater from said PCM material, and the heater from the first terminal. The third terminal of a first of the PCM switching devices is coupled to a set/reset switch, and the third terminal of the remaining PCM switching devices is coupled to the second terminal of an adjacent PCM switching device in a cascade configuration.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: March 27, 2012
    Assignee: International Business Machines Corporation
    Inventors: Lia Krusin-Elbaum, Dennis M. Newns, Matthew R. Wordeman
  • Patent number: 8053752
    Abstract: Reconfigurable devices and methods for the fabrication thereof are provided. In one aspect, a reconfigurable device is provided.
    Type: Grant
    Filed: January 8, 2011
    Date of Patent: November 8, 2011
    Assignee: International Business Machines Corporation
    Inventors: Kuan-Neng Chen, Lia Krusin-Elbaum
  • Publication number: 20110217836
    Abstract: Programmable via devices and methods for the fabrication thereof are provided. In one aspect, a programmable via device is provided.
    Type: Application
    Filed: May 13, 2011
    Publication date: September 8, 2011
    Applicant: International Business Machines Corporation
    Inventors: Kuan-Neng Chen, Lia Krusin-Elbaum, Dennis M. Newns, Sampath Purushothaman
  • Patent number: 7977203
    Abstract: Programmable via devices and methods for the fabrication thereof are provided. In one aspect, a programmable via device is provided.
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: July 12, 2011
    Assignee: International Business Machines Corporation
    Inventors: Kuan-Neng Chen, Lia Krusin-Elbaum, Dennis M. Newns, Sampath Purushothaman
  • Patent number: 7969770
    Abstract: Programmable via devices and methods for the fabrication thereof are provided. In one aspect, a programmable via device is provided.
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: June 28, 2011
    Assignee: International Business Machines Corporation
    Inventors: Kuan-Neng Chen, Lia Krusin-Elbaum, Dennis M. Newns, Sampath Purushothaman
  • Publication number: 20110133603
    Abstract: A coupling structure for coupling piezoelectric material generated stresses to an actuated device of an integrated circuit includes a rigid stiffener structure formed around a piezoelectric (PE) material and the actuated device, the actuated device comprising a piezoresistive (PR) material that has an electrical resistance dependent upon an applied pressure thereto; and a soft buffer structure formed around the PE material and PR material, the buffer structure disposed between the PE and PR materials and the stiffener structure, wherein the stiffener structure clamps both the PE and PR materials to a substrate over which the PE and PR materials are formed, and wherein the soft buffer structure permits the PE material freedom to move relative to the PR material, thereby coupling stress generated by an applied voltage to the PE material to the PR material so as change the electrical resistance of the PR material.
    Type: Application
    Filed: December 7, 2009
    Publication date: June 9, 2011
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Bruce G. Elmegreen, Lia Krusin-Elbaum, Glenn J. Martyna, Xiao Hu Liu, Dennis M. Newns, Kuan-Neng Chen
  • Publication number: 20110122682
    Abstract: A memory cell device includes a semiconductor nanowire extending, at a first end thereof, from a substrate; the nanowire having a doping profile so as to define a field effect transistor (FET) adjacent the first end, the FET further including a gate electrode at least partially surrounding the nanowire, the doping profile further defining a p-n junction in series with the FET, the p-n junction adjacent a second end of the nanowire; and a phase change material at least partially surrounding the nanowire, at a location corresponding to the p-n junction.
    Type: Application
    Filed: November 23, 2009
    Publication date: May 26, 2011
    Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Bruce G. Elmegreen, Lia Krusin-Elbaum, Dennis M. Newns, Robert L. Sandstrom
  • Publication number: 20110102016
    Abstract: Reconfigurable devices and methods for the fabrication thereof are provided. In one aspect, a reconfigurable device is provided.
    Type: Application
    Filed: January 8, 2011
    Publication date: May 5, 2011
    Applicant: International Business Machines Corporation
    Inventors: Kuan-Neng Chen, Lia Krusin-Elbaum
  • Patent number: 7888164
    Abstract: A method of fabricating a programmable via structure is provided. The method includes providing a patterned heating material on a surface of an oxide layer. The oxide layer is located above a semiconductor substrate. A patterned dielectric material is formed having a least one via on a surface of the patterned heating material. The at least one via is filled with a phase change material such that a lower surface of the phase change material is in direct contact with a portion of the patterned heating material. A patterned diffusion barrier is formed on an exposed surface of the at least one via filled with the phase change material. A method of programmable a programmable via structure made by the method is also disclosed.
    Type: Grant
    Filed: August 8, 2009
    Date of Patent: February 15, 2011
    Assignee: International Business Machines Corporation
    Inventors: Kuan-Neng Chen, Lia Krusin-Elbaum, Chung H. Lam, Albert M. Young