Patents by Inventor Joseph E. Geusic

Joseph E. Geusic 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: 8470687
    Abstract: One aspect of this disclosure relates to a method for forming a wafer with a strained semiconductor. In various embodiments of the method, a predetermined contour is formed in one of a semiconductor membrane and a substrate wafer. The semiconductor membrane is bonded to the substrate wafer and the predetermined contour is straightened to induce a predetermined strain in the semiconductor membrane. In various embodiments, a substrate wafer is flexed into a flexed position, a portion of the substrate wafer is bonded to a semiconductor layer when the substrate wafer is in the flexed position, and the substrate wafer is relaxed to induce a predetermined strain in the semiconductor layer. Other aspects and embodiments are provided herein.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: June 25, 2013
    Assignee: Micron Technology, Inc.
    Inventors: Leonard Forbes, Joseph E. Geusic, Salman Akram
  • Publication number: 20110281407
    Abstract: One aspect of this disclosure relates to a method for forming a wafer with a strained semiconductor. In various embodiments of the method, a predetermined contour is formed in one of a semiconductor membrane and a substrate wafer. The semiconductor membrane is bonded to the substrate wafer and the predetermined contour is straightened to induce a predetermined strain in the semiconductor membrane. In various embodiments, a substrate wafer is flexed into a flexed position, a portion of the substrate wafer is bonded to a semiconductor layer when the substrate wafer is in the flexed position, and the substrate wafer is relaxed to induce a predetermined strain in the semiconductor layer. Other aspects and embodiments are provided herein.
    Type: Application
    Filed: July 27, 2011
    Publication date: November 17, 2011
    Inventors: Leonard Forbes, Joseph E. Geusic, Salman Akram
  • Publication number: 20110250430
    Abstract: Systems, devices and methods are provided that are related to cellular materials that have a precisely-determined arrangement of voids formed using surface transformation. In various embodiments, the cellular materials are suitable for use in various structural, mechanical and/or thermal applications. One aspect of the present subject matter is a method of forming cellular material. According to various embodiments of the method, a predetermined arrangement of the plurality of holes is formed in a volume of material through a surface of the volume of material. The volume of material is annealed such that the volume of material undergoes a surface transformation in which the arrangement of the plurality of holes is transformed into a predetermined arrangement of at least one empty space below the surface of the volume of material. Other aspects are provided herein.
    Type: Application
    Filed: June 17, 2011
    Publication date: October 13, 2011
    Inventor: Joseph E. Geusic
  • Patent number: 7994595
    Abstract: One aspect of this disclosure relates to a method for forming a wafer with a strained semiconductor. In various embodiments of the method, a predetermined contour is formed in one of a semiconductor membrane and a substrate wafer. The semiconductor membrane is bonded to the substrate wafer and the predetermined contour is straightened to induce a predetermined strain in the semiconductor membrane. In various embodiments, a substrate wafer is flexed into a flexed position, a portion of the substrate wafer is bonded to a semiconductor layer when the substrate wafer is in the flexed position, and the substrate wafer is relaxed to induce a predetermined strain in the semiconductor layer. Other aspects and embodiments are provided herein.
    Type: Grant
    Filed: June 27, 2006
    Date of Patent: August 9, 2011
    Assignee: Micron Technology, Inc.
    Inventors: Leonard Forbes, Joseph E. Geusic, Salman Akram
  • Patent number: 7989311
    Abstract: One aspect of this disclosure relates to a method for forming a wafer with a strained semiconductor. In various embodiments of the method, a predetermined contour is formed in one of a semiconductor membrane and a substrate wafer. The semiconductor membrane is bonded to the substrate wafer and the predetermined contour is straightened to induce a predetermined strain in the semiconductor membrane. In various embodiments, a substrate wafer is flexed into a flexed position, a portion of the substrate wafer is bonded to a semiconductor layer when the substrate wafer is in the flexed position, and the substrate wafer is relaxed to induce a predetermined strain in the semiconductor layer. Other aspects and embodiments are provided herein.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: August 2, 2011
    Assignee: Micron Technlogy, Inc.
    Inventors: Leonard Forbes, Joseph E. Geusic, Salman Akram
  • Patent number: 7964124
    Abstract: Systems, devices and methods are provided that are related to cellular materials that have a precisely-determined arrangement of voids formed using surface transformation. In various embodiments, the cellular materials are suitable for use in various structural, mechanical and/or thermal applications. One aspect of the present subject matter is a method of forming cellular material. According to various embodiments of the method, a predetermined arrangement of the plurality of holes is formed in a volume of material through a surface of the volume of material. The volume of material is annealed such that the volume of material undergoes a surface transformation in which the arrangement of the plurality of holes is transformed into a predetermined arrangement of at least one empty space below the surface of the volume of material. Other aspects are provided herein.
    Type: Grant
    Filed: February 14, 2006
    Date of Patent: June 21, 2011
    Assignee: Micron Technology, Inc.
    Inventor: Joseph E. Geusic
  • Publication number: 20090256243
    Abstract: Systems, devices and methods are provided to improve performance of integrated circuits by providing a low-k insulator. One aspect is an integrated circuit insulator structure. One embodiment includes a solid structure of an insulator material, and a precisely determined arrangement of at least one void formed within the solid structure which lowers an effective dielectric constant of the insulator structure. One aspect is a method of forming a low-k insulator structure. In one embodiment, an insulator material is deposited, and a predetermined arrangement of at least one hole is formed in a surface of the insulator material. The insulator material is annealed such that the low-k dielectric material undergoes a surface transformation to transform the arrangement of at least one hole into predetermined arrangement of at least one empty space below the surface of the insulator material. Other aspects are provided herein.
    Type: Application
    Filed: June 1, 2009
    Publication date: October 15, 2009
    Inventors: Joseph E. Geusic, Paul A. Farrar, Arup Bhattacharyya
  • Patent number: 7564082
    Abstract: One aspect of this disclosure relates to a semiconductor structure, comprising a gettering region proximate to a device region in a semiconductor wafer. The gettering region includes a precisely-determined arrangement of a plurality of precisely-formed voids through a surface transformation process. Each of the voids has an interior surface that includes dangling bonds such that the plurality of voids getter impurities from the at least one device region. The structure includes a transistor formed using the device region. The transistor includes a gate dielectric over the device region, a gate over the gate dielectric, and a first diffusion region and a second diffusion region formed in the device region. The first and second diffusion regions are separated by a channel region formed in the device region between the gate and the proximity gettering region.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: July 21, 2009
    Assignee: Micron Technology, Inc.
    Inventors: Leonard Forbes, Joseph E. Geusic
  • Patent number: 7550824
    Abstract: Systems, devices and methods are provided to improve performance of integrated circuits by providing a low-k insulator. One aspect is an integrated circuit insulator structure. One embodiment includes a solid structure of an insulator material, and a precisely determined arrangement of at least one void formed within the solid structure which lowers an effective dielectric constant of the insulator structure. One aspect is a method of forming a low-k insulator structure. In one embodiment, an insulator material is deposited, and a predetermined arrangement of at least one hole is formed in a surface of the insulator material. The insulator material is annealed such that the low-k dielectric material undergoes a surface transformation to transform the arrangement of at least one hole into predetermined arrangement of at least one empty space below the surface of the insulator material. Other aspects are provided herein.
    Type: Grant
    Filed: August 31, 2004
    Date of Patent: June 23, 2009
    Assignee: Micron Technology, Inc.
    Inventors: Joseph E. Geusic, Paul A. Farrar, Arup Bhattacharyya
  • Patent number: 7547954
    Abstract: An integrated circuit with a number of optical waveguides that are formed in high aspect ratio holes. The high aspect ratio holes extend through a semiconductor wafer. The optical waveguides include a highly reflective material that is deposited so as to line an inner surface of the high aspect ratio holes which may be filled with air or a material with an index of refraction that is greater than 1. These metal confined waveguides are used to transmit signals between functional circuits on the semiconductor wafer and functional circuits on the back of the wafer or beneath the wafer.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: June 16, 2009
    Assignee: Micron Technology, Inc.
    Inventors: Joseph E. Geusic, Kie Y. Ahn, Leonard Forbes
  • Patent number: 7544984
    Abstract: One aspect of this disclosure relates to a memory device, comprising at least one gettering region, a memory array, a plurality of word lines and bit lines, and control circuitry. The gettering region is formed in a semiconductor substrate. The gettering region includes a precise arrangement of precisely-formed voids to getter impurities from a crystalline semiconductor region of the substrate. The memory array is formed in the crystalline semiconductor region, and includes a plurality of memory cells formed in rows and columns, and at least one transistor for each of the plurality of memory cells. Each word line is connected to a row of memory cells, and each bit line is connected to a column of memory cells. The control circuitry includes word line select circuitry and bit line select circuitry to select a number of memory cells for writing and reading operations.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: June 9, 2009
    Assignee: Micron Technology, Inc.
    Inventors: Leonard Forbes, Joseph E. Geusic
  • Patent number: 7512170
    Abstract: A multi-layered reflective mirror formed of spaced-apart plate-shaped empty space patterns formed within a substrate is disclosed. The plurality of plate-shaped empty space patterns are formed by drilling holes in the substrate and annealing the substrate to form the spaced-apart plate-shaped empty space patterns.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: March 31, 2009
    Assignee: Micron Technology, Inc.
    Inventors: Joseph E. Geusic, Eugene P. Marsh
  • Patent number: 7492042
    Abstract: A method and device for cooling an integrated circuit is provided. A method and device using a gas to cool circuit structures such as a number of air bridge structures is provided. A method and device using a boiling liquid to cool circuit structures is provided. Further provided is a method of controlling chip temperature. This allows circuit and device designers an opportunity to design more efficient structures. Some properties that exhibit less variation when temperature ranges are controlled include electromigration, conductivity, operating speed, and reliability.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: February 17, 2009
    Assignee: Micron Technology, Inc.
    Inventors: Paul A. Farrar, Leonard Forbes, Kie Y. Ahn, Joseph E. Geusic, Arup Bhattacharyya, Alan R. Reinberg
  • Publication number: 20090042360
    Abstract: One aspect of this disclosure relates to a method for forming a wafer with a strained semiconductor. In various embodiments of the method, a predetermined contour is formed in one of a semiconductor membrane and a substrate wafer. The semiconductor membrane is bonded to the substrate wafer and the predetermined contour is straightened to induce a predetermined strain in the semiconductor membrane. In various embodiments, a substrate wafer is flexed into a flexed position, a portion of the substrate wafer is bonded to a semiconductor layer when the substrate wafer is in the flexed position, and the substrate wafer is relaxed to induce a predetermined strain in the semiconductor layer. Other aspects and embodiments are provided herein.
    Type: Application
    Filed: October 1, 2008
    Publication date: February 12, 2009
    Inventors: Leonard Forbes, Joseph E. Geusic, Salman Akram
  • Patent number: 7485497
    Abstract: A method and device for cooling an integrated circuit is provided. A method and device using a gas to cool circuit structures such as a number of air bridge structures is provided. A method and device using a boiling liquid to cool circuit structures is provided. Further provided is a method of controlling chip temperature. This allows circuit and device designers an opportunity to design more efficient structures. Some properties that exhibit less variation when temperature ranges are controlled include electromigration, conductivity, operating speed, and reliability.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: February 3, 2009
    Assignee: Micron Technology, Inc.
    Inventors: Paul A. Farrar, Leonard Forbes, Kie Y. Ahn, Joseph E. Geusic, Arup Bhattacharyya, Alan R. Reinberg
  • Patent number: 7439158
    Abstract: One aspect of this disclosure relates to a method for forming a wafer with a strained semiconductor. In various embodiments of the method, a predetermined contour is formed in one of a semiconductor membrane and a substrate wafer. The semiconductor membrane is bonded to the substrate wafer and the predetermined contour is straightened to induce a predetermined strain in the semiconductor membrane. In various embodiments, a substrate wafer is flexed into a flexed position, a portion of the substrate wafer is bonded to a semiconductor layer when the substrate wafer is in the flexed position, and the substrate wafer is relaxed to induce a predetermined strain in the semiconductor layer. Other aspects and embodiments are provided herein.
    Type: Grant
    Filed: July 21, 2003
    Date of Patent: October 21, 2008
    Assignee: Micron Technology, Inc.
    Inventors: Leonard Forbes, Joseph E. Geusic, Salman Akram
  • Patent number: 7408216
    Abstract: Some embodiments of the invention include a memory cell having a vertical transistor and a trench capacitor. The trench capacitor includes a capacitor plate with a roughened surface for increased surface area. Other embodiments are described and claims.
    Type: Grant
    Filed: July 11, 2006
    Date of Patent: August 5, 2008
    Assignee: Micron Technology, Inc.
    Inventors: Leonard Forbes, Joseph E. Geusic, Kie Y. Ahn
  • Patent number: 7326597
    Abstract: One aspect of this disclosure relates to a method for creating a gettering site in a semiconductor wafer. In various embodiments, a predetermined arrangement of a plurality of holes is formed in the semiconductor wafer through a surface of the wafer. The wafer is annealed such that the wafer undergoes a surface transformation to transform the arrangement of the plurality of holes into a predetermined arrangement of at least one empty space of a predetermined size within the wafer to form the gettering site. One aspect relates to a semiconductor wafer. In various embodiments, the wafer includes at least one device region, and at least one gettering region located proximate to the at least one device region. The gettering region includes a precisely-determined arrangement of a plurality of precisely-formed voids that are formed within the wafer using a surface transformation process. Other aspects and embodiments are provided herein.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: February 5, 2008
    Assignee: Micron Technology, Inc.
    Inventors: Leonard Forbes, Joseph E. Geusic
  • Patent number: 7304380
    Abstract: A method and device for cooling an integrated circuit is provided. A method and device using a gas to cool circuit structures such as a number of air bridge structures is provided. A method and device using a boiling liquid to cool circuit structures is provided. Further provided is a method of controlling chip temperature. This allows circuit and device designers an opportunity to design more efficient structures. Some properties that exhibit less variation when temperature ranges are controlled include electromigration, conductivity, operating speed, and reliability.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: December 4, 2007
    Assignee: Micron Technology, Inc.
    Inventors: Paul A. Farrar, Leonard Forbes, Kie Y. Ahn, Joseph E. Geusic, Arup Bhattacharyya, Alan R. Reinberg
  • Patent number: 7300821
    Abstract: A method and device for cooling an integrated circuit is provided. A method and device using a gas to cool circuit structures such as a number of air bridge structures is provided. A method and device using a boiling liquid to cool circuit structures is provided. Further provided is a method of controlling chip temperature. This allows circuit and device designers an opportunity to design more efficient structures. Some properties that exhibit less variation when temperature ranges are controlled include electromigration, conductivity, operating speed, and reliability.
    Type: Grant
    Filed: August 31, 2004
    Date of Patent: November 27, 2007
    Assignee: Micron Technology, Inc.
    Inventors: Paul A. Farrar, Leonard Forbes, Kie Y. Ahn, Joseph E. Geusic, Arup Bhattacharyya, Alan R. Reinberg