Patents by Inventor David L. Brown

David L. Brown 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: 20190164593
    Abstract: A memory device includes a data write circuitry. The data write circuitry is configured to capture a first write command received via an external input/output (I/O) interface. The data write circuitry is further configured to generate a first internal write start (InternalWrStart) in a data strobe (DQS) domain after capture of the first write command. The data write circuitry is additionally configured to write a first one or more data bits into at least one memory bank based on the first InternalWrStart, wherein the first InternalWrStart is generated internally in the memory device.
    Type: Application
    Filed: November 29, 2017
    Publication date: May 30, 2019
    Inventors: Daniel B. Penney, David R. Brown, Gary L. Howe
  • Patent number: 10295658
    Abstract: An active optical detection system includes an optical transmitter configured to transmit light in a signal pattern and an optical receiver configured to receive light and determine a correlation between the received light and the signal pattern. The correlation of the received light and the signal pattern is indicative of range to an object.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: May 21, 2019
    Assignee: The Johns Hopkins University
    Inventors: William E. Torruellas, Robert L. Fry, Isaac N. Bankman, David M. Brown, Gil Tadmor, Thomas Raphael Clark, Jr.
  • Patent number: 10297278
    Abstract: Structures and methods for fabrication servo and data heads of tape modules are provided. The servo head may have two shield layers spaced apart by a plurality of gap layers and a sensor. Similarly, the data head may have two shield layers spaced apart by a plurality of gap layers and a sensor. The distance between the shield layers of the servo head may be greater than the distance between the shield layers of the data head. The material of the gap layers may include tantalum or an alloy of nickel and chromium. The material for the gap layers permits deposition of gap layers with sufficiently small surface roughness to prevent distortion of the tape module and increase the stability of the tape module operation.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: May 21, 2019
    Assignee: WESTERN DIGITAL TECHNOLOGIES, INC.
    Inventors: Satoru Araki, Diane L. Brown, Hiroaki Chihaya, Dustin W. Erickson, David J. Seagle
  • Publication number: 20190135683
    Abstract: A low K value, high Q value, low firing dielectric material and method of forming a fired dielectric material. The dielectric material can be fired below 950° C. or below 1100° C., has a K value of less than about 8 at 10-30 GHz and a Q value of greater than 500 or greater than 1000 at 10-30 GHz. The dielectric material includes, before firing a solids portion including 10-95 wt % or 10-99 wt % silica powder and 5-90 wt % or 1-90 wt % glass component. The glass component includes 50-90 mole % SiO2, 5-35 mole % or 0.1-35 mole % B2O3, 0.1-10 mole % or 0.1-25 mole % Al2O3, 0.1-10 mole % K2O, 0.1-10 mole % Na2O, 0.1-20 mole % Li2O, 0.1-30 mole % F. The total amount of Li2O+Na2O+K2O is 0.1-30 mole % of the glass component. The silica powder can be amorphous or crystalline.
    Type: Application
    Filed: November 5, 2018
    Publication date: May 9, 2019
    Inventors: Cody J. Gleason, John J. Maloney, Srinivasan Sridharan, George E. Sakoske, Peter Marley, Mohammed H. Megherhi, Yie-Shein Her, Orville W. Brown, Jackie D. Davis, Thomas J. Coffey, Ellen S. Tormey, Stanley Wang, David L. Widlewski
  • Publication number: 20190131465
    Abstract: An inspection system including an optical system (optics) to direct light from an illumination source to a sample, and to direct light reflected/scattered from the sample to one or more image sensors. At least one image sensor of the system is formed on a semiconductor membrane including an epitaxial layer having opposing surfaces, with circuit elements formed on one surface of the epitaxial layer, and a pure boron layer and a doped layer on the other surface of the epitaxial layer. The image sensor may be fabricated using CCD (charge coupled device) or CMOS (complementary metal oxide semiconductor) technology. The image sensor may be a two-dimensional area sensor, or a one-dimensional array sensor. The image sensor can be included in an electron-bombarded image sensor and/or in an inspection system.
    Type: Application
    Filed: October 3, 2018
    Publication date: May 2, 2019
    Inventors: Jehn-Huar Chern, Ali R. Ehsani, Gildardo Delgado, David L. Brown, Yung-Ho Alex Chuang, John Fielden
  • Patent number: 10269842
    Abstract: An image sensor for short-wavelength light includes a semiconductor membrane, circuit elements formed on one surface of the semiconductor membrane, and a pure boron layer on the other surface of the semiconductor membrane. An anti-reflection or protective layer is formed on top of the pure boron layer. This image sensor has high efficiency and good stability even under continuous use at high flux for multiple years. The image sensor may be fabricated using CCD (charge coupled device) or CMOS (complementary metal oxide semiconductor) technology. The image sensor may be a two-dimensional area sensor, or a one-dimensional array sensor.
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: April 23, 2019
    Assignees: Hamamatsu Photonics K.K., KLA-Tencor Corporation
    Inventors: Masaharu Muramatsu, Hisanori Suzuki, Yasuhito Yoneta, Shinya Otsuka, Jehn-Huar Chern, David L. Brown, Yung-Ho Alex Chuang, John Fielden, Venkatraman Iyer
  • Patent number: 10197501
    Abstract: A focusing EBCCD includes a control device positioned between a photocathode and a CCD. The control device has a plurality of holes therein, wherein the plurality of holes are formed perpendicular to a surface of the photocathode, and wherein a pattern of the plurality of holes is aligned with a pattern of pixels in the CCD. Each hole is surrounded by at least one first electrode, which is formed on a surface of the control device facing the photocathode. The control device may include a plurality of ridges between the holes. The control device may be separated from the photocathode by approximately half a shorter dimension of a CCD pixel or less. A plurality of first electrodes may be provided, wherein each first electrode surrounds a given hole and is separated from the given hole by a gap.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: February 5, 2019
    Assignee: KLA-Tencor Corporation
    Inventors: Yung-Ho Alex Chuang, Xuefeng Liu, John Fielden, David L. Brown
  • Patent number: 10193293
    Abstract: A pulse multiplier includes a polarizing beam splitter, a wave plate, and a set of multi-surface reflecting components (e.g., one or more etalons and one or more mirrors). The polarizing beam splitter passes input laser pulses through the wave plate to the multi-surface reflecting components, which reflect portions of each input laser pulse back through the wave plate to the polarizing beam splitter. The polarizing beam splitter reflects each reflected portion to form an output of the pulse multiplier. The multi-surface reflecting components are configured such that the output pulses exiting the pulse multiplier have an output repetition pulse frequency rate that is at least double the input repetition pulse frequency.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: January 29, 2019
    Assignee: KLA-Tencor Corporation
    Inventors: Yung-Ho Chuang, J. Joseph Armstrong, Justin Dianhuan Liou, Vladimir Dribinski, David L. Brown
  • Patent number: 10194108
    Abstract: Pixel aperture size adjustment in a linear sensor is achieved by applying more negative control voltages to central regions of the pixel's resistive control gate, and applying more positive control voltages to the gate's end portions. These control voltages cause the resistive control gate to generate an electric field that drives photoelectrons generated in a selected portion of the pixel's light sensitive region into a charge accumulation region for subsequent measurement, and drives photoelectrons generated in other portions of the pixel's light sensitive region away from the charge accumulation region for subsequent discard or simultaneous readout. A system utilizes optics to direct light received at different angles or locations from a sample into corresponding different portions of each pixel's light sensitive region.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: January 29, 2019
    Assignee: KLA-Tencor Corporation
    Inventors: Yung-Ho Alex Chuang, John Fielden, David L. Brown, Jingjing Zhang, Keith Lyon, Mark Shi Wang
  • Publication number: 20190023165
    Abstract: Methods and apparatus are provided for attaching a first device to a second device. The method includes providing an attachment structure for attaching the first device to the second device that includes a fastener that is movable from a first position to a second position within the attachment structure, moving the first device into position to be attached to the second device with the fastener in the first position, obscuring an attachment detection window with a window barrier fixed to the fastener, securing the first device to the second device by sliding the fastener from the first position to the second position, locking the fastener in the second position, revealing the attachment detection window when the fastener is locked in the second position, and reading the attachment detection window to detect that the first device has been properly attached to the second device.
    Type: Application
    Filed: July 24, 2017
    Publication date: January 24, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: David L. Brown, Gregory J. Vargo, Orlando L. Lomo, II, David M. Kelly, Leonard C. McLean
  • Patent number: 10121914
    Abstract: An inspection system including an optical system (optics) to direct light from an illumination source to a sample, and to direct light reflected/scattered from the sample to one or more image sensors. At least one image sensor of the system is formed on a semiconductor membrane including an epitaxial layer having opposing surfaces, with circuit elements formed on one surface of the epitaxial layer, and a pure boron layer on the other surface of the epitaxial layer. The image sensor may be fabricated using CCD (charge coupled device) or CMOS (complementary metal oxide semiconductor) technology. The image sensor may be a two-dimensional area sensor, or a one-dimensional array sensor. The image sensor can be included in an electron-bombarded image sensor and/or in an inspection system.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: November 6, 2018
    Assignee: KLA-Tencor Corporation
    Inventors: Jehn-Huar Chern, Ali R. Ehsani, Gildardo Delgado, David L. Brown, Yung-Ho Alex Chuang, John Fielden
  • Patent number: 10073960
    Abstract: A hybrid device includes a personal digital key (PDK) and a receiver-decoder circuit (RDC). The PDK and RDC of the hybrid device are coupled for communication with each other. In one embodiment, the hybrid device also provides a physical interconnect for connecting to other devices to send and receive control signals and data, and receive power. The hybrid device operates in one of several modes including, PDK only, RDC only, or PDK and RDC. This allows a variety of system configurations for mixed operation including: PDK/RDC, RDC/RDC or PDK/PDK. The present invention also includes a number of system configurations for use of the hybrid device including: use of the hybrid device in a cell phone; simultaneous use of the PDK and the RDC functionality of hybrid device; use of multiple links of hybrid device to generate an authorization signal, use of multiple PDK links to the hybrid device to generate an authorization signal; and use of the hybrid device for authorization inheritance.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: September 11, 2018
    Assignee: Proxense, LLC
    Inventor: David L. Brown
  • Publication number: 20180233872
    Abstract: A pulse multiplier includes a polarizing beam splitter, a wave plate, and a set of multi-surface reflecting components (e.g., one or more etalons and one or more mirrors). The polarizing beam splitter passes input laser pulses through the wave plate to the multi-surface reflecting components, which reflect portions of each input laser pulse back through the wave plate to the polarizing beam splitter. The polarizing beam splitter reflects each reflected portion to form an output of the pulse multiplier. The multi-surface reflecting components are configured such that the output pulses exiting the pulse multiplier have an output repetition pulse frequency rate that is at least double the input repetition pulse frequency.
    Type: Application
    Filed: April 9, 2018
    Publication date: August 16, 2018
    Inventors: Yung-Ho Chuang, J. Joseph Armstrong, Justin Dianhuan Liou, Vladimir Dribinski, David L. Brown
  • Patent number: 10040384
    Abstract: An assist mechanism, attachable to a frame, includes an assist bezel and an assist handle. The assist bezel has a clip attachable to the frame. A first arm and a second arm extend from the clip. A first hub is formed on the first arm and second hub is formed on the second arm. A twist-lock housing is defined in the assist handle, and includes a first receptacle configured to retain the first hub and a second receptacle configured to retain the second hub. The first hub of the assist bezel enters the first receptacle via a first ramp and the second hub enters the second receptacle via a second ramp. The assist handle is rotatable about the assist bezel between a plurality of positions.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: August 7, 2018
    Assignee: GM Global Technology Operations LLC
    Inventor: David L. Brown
  • Publication number: 20180186264
    Abstract: An assist mechanism, attachable to a frame, includes an assist bezel and an assist handle. The assist bezel has a clip attachable to the frame. A first arm and a second arm extend from the clip. A first hub is formed on the first arm and second hub is formed on the second arm. A twist-lock housing is defined in the assist handle, and includes a first receptacle configured to retain the first hub and a second receptacle configured to retain the second hub. The first hub of the assist bezel enters the first receptacle via a first ramp and the second hub enters the second receptacle via a second ramp. The assist handle is rotatable about the assist bezel between a plurality of positions.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 5, 2018
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: David L. Brown
  • Patent number: 9972959
    Abstract: A pulse multiplier includes a polarizing beam splitter, a wave plate, and a set of multi-surface reflecting components (e.g., one or more etalons and one or more mirrors). The polarizing beam splitter passes input laser pulses through the wave plate to the multi-surface reflecting components, which reflect portions of each input laser pulse back through the wave plate to the polarizing beam splitter. The polarizing beam splitter reflects each reflected portion to form an output of the pulse multiplier. The multi-surface reflecting components are configured such that the output pulses exiting the pulse multiplier have an output repetition pulse frequency rate that is at least double the input repetition pulse frequency.
    Type: Grant
    Filed: June 8, 2016
    Date of Patent: May 15, 2018
    Assignee: KLA-Tencor Corporation
    Inventors: Yung-Ho Chuang, J. Joseph Armstrong, Justin Dianhuan Liou, Vladimir Dribinski, David L. Brown
  • Publication number: 20180091751
    Abstract: A time delay and integration charge coupled device includes an array of pixels and a clock generator. The array of pixels is distributed in a scan direction and a line direction perpendicular to the scan direction in which at least some of the pixels of the array include three or more gates aligned in the scan direction. The clock generator provides clocking signals to transfer charge along the scan direction between two or more pixel groups including two or more pixels adjacent in the scan direction. The clocking signals include phase signals to transfer the charge to an adjacent pixel group along the scan direction at a rate corresponding to the velocity of the target by driving the gates of the two or more pixel groups and generating a common potential well per pixel group for containing charge generated in response to incident illumination.
    Type: Application
    Filed: September 22, 2017
    Publication date: March 29, 2018
    Inventor: David L. Brown
  • Publication number: 20180070040
    Abstract: Pixel aperture size adjustment in a linear sensor is achieved by applying more negative control voltages to central regions of the pixel's resistive control gate, and applying more positive control voltages to the gate's end portions. These control voltages cause the resistive control gate to generate an electric field that drives photoelectrons generated in a selected portion of the pixel's light sensitive region into a charge accumulation region for subsequent measurement, and drives photoelectrons generated in other portions of the pixel's light sensitive region away from the charge accumulation region for subsequent discard or simultaneous readout. A system utilizes optics to direct light received at different angles or locations from a sample into corresponding different portions of each pixel's light sensitive region.
    Type: Application
    Filed: November 8, 2017
    Publication date: March 8, 2018
    Inventors: Yung-Ho Alex Chuang, John Fielden, David L. Brown, Jingjing Zhang, Keith Lyon, Mark Shi Wang
  • Publication number: 20180059033
    Abstract: An imaging sensor assembly includes at least one substrate including a plurality of substrate signal lines. The imaging sensor assembly also includes at least one imaging sensor package disposed on the at least one substrate, the at least one imaging sensor package including at least one imaging sensor disposed on at least one imaging sensor package substrate. The imaging sensor assembly also includes at least one receiver package disposed on the at least one substrate, the receiver package including at least one receiver integrated circuit disposed on at least one receiver package substrate. The imaging sensor assembly also includes at least one electrical interconnect operably coupled to the at least one imaging sensor package and the at least one receiver package. A plurality of data signals are transmitted between the at least one imaging sensor package and the at least one receiver package via the at least one electrical interconnect.
    Type: Application
    Filed: August 8, 2017
    Publication date: March 1, 2018
    Inventors: Steve Zamek, David L. Brown, Venkatraman Iyer
  • Publication number: 20180047857
    Abstract: An inspection system including an optical system (optics) to direct light from an illumination source to a sample, and to direct light reflected/scattered from the sample to one or more image sensors. At least one image sensor of the system is formed on a semiconductor membrane including an epitaxial layer having opposing surfaces, with circuit elements formed on one surface of the epitaxial layer, and a pure boron layer on the other surface of the epitaxial layer. The image sensor may be fabricated using CCD (charge coupled device) or CMOS (complementary metal oxide semiconductor) technology. The image sensor may be a two-dimensional area sensor, or a one-dimensional array sensor. The image sensor can be included in an electron-bombarded image sensor and/or in an inspection system.
    Type: Application
    Filed: October 30, 2017
    Publication date: February 15, 2018
    Inventors: Jehn-Huar Chern, Ali R. Ehsani, Gildardo Delgado, David L. Brown, Yung-Ho Alex Chuang, John Fielden