Patents by Inventor Dan Carothers

Dan Carothers 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: 11417725
    Abstract: An integrated circuit is formed by forming an isolation trench through at least a portion of an interconnect region, at least 40 microns deep into a substrate of the integrated circuit, leaving at least 200 microns of substrate material under the isolation trench. Dielectric material is formed in the isolation trench at a substrate temperature no greater than 320° C. to form an isolation structure which separates an isolated region of the integrated circuit from at least a portion of the substrate. The isolated region contains an isolated component. The isolated region of the integrated circuit may be a region of the substrate, and/or a region of the interconnect region. The isolated region may be a first portion of the substrate which is laterally separated from a second portion of the substrate. The isolated region may be a portion of the interconnect region above the isolation structure.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: August 16, 2022
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Dan Carothers, Ricky Jackson, Rajarshi Mukhopadhyay, Ben Cook
  • Publication number: 20210083047
    Abstract: An integrated circuit is formed by forming an isolation trench through at least a portion of an interconnect region, at least 40 microns deep into a substrate of the integrated circuit, leaving at least 200 microns of substrate material under the isolation trench. Dielectric material is formed in the isolation trench at a substrate temperature no greater than 320° C. to form an isolation structure which separates an isolated region of the integrated circuit from at least a portion of the substrate. The isolated region contains an isolated component. The isolated region of the integrated circuit may be a region of the substrate, and/or a region of the interconnect region. The isolated region may be a first portion of the substrate which is laterally separated from a second portion of the substrate. The isolated region may be a portion of the interconnect region above the isolation structure.
    Type: Application
    Filed: November 25, 2020
    Publication date: March 18, 2021
    Inventors: Dan Carothers, Ricky Jackson, Rajarshi Mukhopadhyay, Ben Cook
  • Patent number: 10854712
    Abstract: An integrated circuit is formed by forming an isolation trench through at least a portion of an interconnect region, at least 40 microns deep into a substrate of the integrated circuit, leaving at least 200 microns of substrate material under the isolation trench. Dielectric material is formed in the isolation trench at a substrate temperature no greater than 320° C. to form an isolation structure which separates an isolated region of the integrated circuit from at least a portion of the substrate. The isolated region contains an isolated component. The isolated region of the integrated circuit may be a region of the substrate, and/or a region of the interconnect region. The isolated region may be a first portion of the substrate which is laterally separated from a second portion of the substrate. The isolated region may be a portion of the interconnect region above the isolation structure.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: December 1, 2020
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Dan Carothers, Ricky Jackson, Rajarshi Mukhopadhyay, Ben Cook
  • Publication number: 20190172907
    Abstract: An integrated circuit is formed by forming an isolation trench through at least a portion of an interconnect region, at least 40 microns deep into a substrate of the integrated circuit, leaving at least 200 microns of substrate material under the isolation trench. Dielectric material is formed in the isolation trench at a substrate temperature no greater than 320° C. to form an isolation structure which separates an isolated region of the integrated circuit from at least a portion of the substrate. The isolated region contains an isolated component. The isolated region of the integrated circuit may be a region of the substrate, and/or a region of the interconnect region. The isolated region may be a first portion of the substrate which is laterally separated from a second portion of the substrate. The isolated region may be a portion of the interconnect region above the isolation structure.
    Type: Application
    Filed: February 4, 2019
    Publication date: June 6, 2019
    Inventors: Dan Carothers, Ricky Jackson, Rajarshi Mukhopadhyay, Ben Cook
  • Patent number: 10199461
    Abstract: An integrated circuit is formed by forming an isolation trench through at least a portion of an interconnect region, at least 40 microns deep into a substrate of the integrated circuit, leaving at least 200 microns of substrate material under the isolation trench. Dielectric material is formed in the isolation trench at a substrate temperature no greater than 320° C. to form an isolation structure which separates an isolated region of the integrated circuit from at least a portion of the substrate. The isolated region contains an isolated component. The isolated region of the integrated circuit may be a region of the substrate, and/or a region of the interconnect region. The isolated region may be a first portion of the substrate which is laterally separated from a second portion of the substrate. The isolated region may be a portion of the interconnect region above the isolation structure.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: February 5, 2019
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Dan Carothers, Ricky Jackson, Rajarshi Mukhopadhyay, Ben Cook
  • Publication number: 20170117356
    Abstract: An integrated circuit is formed by forming an isolation trench through at least a portion of an interconnect region, at least 40 microns deep into a substrate of the integrated circuit, leaving at least 200 microns of substrate material under the isolation trench. Dielectric material is formed in the isolation trench at a substrate temperature no greater than 320° C. to form an isolation structure which separates an isolated region of the integrated circuit from at least a portion of the substrate. The isolated region contains an isolated component. The isolated region of the integrated circuit may be a region of the substrate, and/or a region of the interconnect region. The isolated region may be a first portion of the substrate which is laterally separated from a second portion of the substrate. The isolated region may be a portion of the interconnect region above the isolation structure.
    Type: Application
    Filed: October 27, 2015
    Publication date: April 27, 2017
    Applicant: Texas Instruments Incorporated
    Inventors: Dan Carothers, Ricky Jackson, Rajarshi Mukhopadhyay, Ben Cook
  • Patent number: 9419075
    Abstract: A semiconductor device is formed on a semiconductor substrate, including a primary portion of the substrate. An active component of the semiconductor device is disposed in the primary portion of the substrate. An interconnect region is formed on a top surface of the substrate. Semiconductor material is removed from the substrate in an isolation region, which is separate from the primary portion of the substrate; the isolation region extends from the top surface of the substrate to a bottom surface of the substrate. A dielectric replacement material is formed in the isolation region. The semiconductor device further includes an isolated component which is not disposed in the primary portion of the substrate. The dielectric replacement material in the isolation region separates the isolated component from the primary portion of the substrate.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: August 16, 2016
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Dan Carothers, Rajarshi Mukhopadhyay, Paul Brohlin, Benjamin Cook
  • Publication number: 20160218175
    Abstract: A semiconductor device is formed on a semiconductor substrate, including a primary portion of the substrate. An active component of the semiconductor device is disposed in the primary portion of the substrate. An interconnect region is formed on a top surface of the substrate. Semiconductor material is removed from the substrate in an isolation region, which is separate from the primary portion of the substrate; the isolation region extends from the top surface of the substrate to a bottom surface of the substrate. A dielectric replacement material is formed in the isolation region. The semiconductor device further includes an isolated component which is not disposed in the primary portion of the substrate. The dielectric replacement material in the isolation region separates the isolated component from the primary portion of the substrate.
    Type: Application
    Filed: April 30, 2015
    Publication date: July 28, 2016
    Applicant: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Dan Carothers, Rajarshi Mukhopadhyay, Paul Brohlin, Benjamin Cook
  • Publication number: 20100020596
    Abstract: A non-volatile magnetic memory cell having a magnetic element with multiple segments which are not co-linear. Each of the segments is magnetized with a remnant magnetic field using a single write line. The segments can be magnetized in a first direction or a second direction, corresponding to first and second orientations of the memory cell. A sensor is provided to determine the direction in which the segments are magnetized and thereby the orientation of the cell. The segments are oriented such that the magnetic flux fields created by their respective remnant magnetic fields have a cumulative effect at a sensing region of the sensor. The cumulative effect allows a less sensitive sensor to be used than in known device. In various embodiments, the magnetic element can have a number of linear segments or a curved profile. In another embodiment, multiple magnetic elements are magnetized by a single write line.
    Type: Application
    Filed: October 6, 2009
    Publication date: January 28, 2010
    Inventors: James Stephenson, Bruce Shipley, Dan Carothers
  • Patent number: 7616477
    Abstract: A non-volatile magnetic memory cell having a magnetic element with multiple segments which are not co-linear. Each of the segments is magnetized with a remnant magnetic field using a single write line. The segments can be magnetized in a first direction or a second direction, corresponding to first and second orientations of the memory cell. A sensor is provided to determine the direction in which the segments are magnetized and thereby the orientation of the cell. The segments are oriented such that the magnetic flux fields created by their respective remnant magnetic fields have a cumulative effect at a sensing region of the sensor. The cumulative effect allows a less sensitive sensor to be used than in known device. In various embodiments, the magnetic element can have a number of linear segments or a curved profile. In another embodiment, multiple magnetic elements are magnetized by a single write line.
    Type: Grant
    Filed: May 2, 2008
    Date of Patent: November 10, 2009
    Assignee: Micromem Technologies, Inc.
    Inventors: James Stephenson, Bruce Shipley, Dan Carothers
  • Publication number: 20080205129
    Abstract: A non-volatile magnetic memory cell having a magnetic element with multiple segments which are not co-linear. Each of the segments is magnetized with a remnant magnetic field using a single write line. The segments can be magnetized in a first direction or a second direction, corresponding to first and second orientations of the memory cell. A sensor is provided to determine the direction in which the segments are magnetized and thereby the orientation of the cell. The segments are oriented such that the magnetic flux fields created by their respective remnant magnetic fields have a cumulative effect at a sensing region of the sensor. The cumulative effect allows a less sensitive sensor to be used than in known device. In various embodiments, the magnetic element can have a number of linear segments or a curved profile. In another embodiment, multiple magnetic elements are magnetized by a single write line.
    Type: Application
    Filed: May 2, 2008
    Publication date: August 28, 2008
    Applicant: MICROMEM TECHNOLOGIES, INC.
    Inventors: James STEPHENSON, Bruce Shipley, Dan Carothers
  • Patent number: 7376007
    Abstract: A non-volatile magnetic memory cell having a magnetic element with multiple segments which are not co-linear. Each of the segments is magnetized with a remnant magnetic field using a single write line. The segments can be magnetized in a first direction or a second direction, corresponding to first and second orientations of the memory cell. A sensor is provided to determine the direction in which the segments are magnetized and thereby the orientation of the cell. The segments are oriented such that the magnetic flux fields created by their respective remnant magnetic fields have a cumulative effect at a sensing region of the sensor. The cumulative effect allows a less sensitive sensor to be used than in known device. In various embodiments, the magnetic element can have a number of linear segments or a curved profile. In another embodiment, multiple magnetic elements are magnetized by a single write line.
    Type: Grant
    Filed: June 8, 2006
    Date of Patent: May 20, 2008
    Assignee: Micromem Technologies, Inc.
    Inventors: James Stephenson, Bruce Shipley, Dan Carothers
  • Publication number: 20060285383
    Abstract: A non-volatile magnetic memory cell having a magnetic element with multiple segments which are not co-linear. Each of the segments is magnetized with a remnant magnetic field using a single write line. The segments can be magnetized in a first direction or a second direction, corresponding to first and second orientations of the memory cell. A sensor is provided to determine the direction in which the segments are magnetized and thereby the orientation of the cell. The segments are oriented such that the magnetic flux fields created by their respective remnant magnetic fields have a cumulative effect at a sensing region of the sensor. The cumulative effect allows a less sensitive sensor to be used than in known device. In various embodiments, the magnetic element can have a number of linear segments or a curved profile. In another embodiment, multiple magnetic elements are magnetized by a single write line.
    Type: Application
    Filed: June 8, 2006
    Publication date: December 21, 2006
    Inventors: James Stephenson, Bruce Shipley, Dan Carothers
  • Patent number: 7110312
    Abstract: A non-volatile magnetic memory cell having a magnetic element with multiple segments which are not co-linear. Each of the segments is magnetized with a remnant magnetic field using a single write line. The segments can be magnetized in a first direction or a second direction, corresponding to first and second orientations of the memory cell. A sensor is provided to determine the direction in which the segments are magnetized and thereby the orientation of the cell. The segments are oriented such that the magnetic flux fields created by their respective remnant magnetic fields have a cumulative effect at a sensing region of the sensor. The cumulative effect allows a less sensitive sensor to be used than in known device. In various embodiments, the magnetic element can have a number of linear segments or a curved profile. In another embodiment, multiple magnetic elements are magnetized by a single write line.
    Type: Grant
    Filed: October 19, 2001
    Date of Patent: September 19, 2006
    Assignee: Micromem Technologies Inc.
    Inventors: James Stephenson, Bruce Shipley, Dan Carothers
  • Publication number: 20030007395
    Abstract: A non-volatile magnetic memory cell having a magnetic element with multiple segments which are not co-linear. Each of the segments is magnetized with a remnant magnetic field using a single write line. The segments can be magnetized in a first direction or a second direction, corresponding to first and second orientations of the memory cell. A sensor is provided to determine the direction in which the segments are magnetized and thereby the orientation of the cell. The segments are oriented such that the magnetic flux fields created by their respective remnant magnetic fields have a cumulative effect at a sensing region of the sensor. The cumulative effect allows a less sensitive sensor to be used than in known device. In various embodiments, the magnetic element can have a number of linear segments or a curved profile. In another embodiment, multiple magnetic elements are magnetized by a single write line.
    Type: Application
    Filed: October 19, 2001
    Publication date: January 9, 2003
    Inventors: James Stephenson, Bruce Shipley, Dan Carothers