Patents by Inventor Rupak Bardhan Roy

Rupak Bardhan Roy 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).

  • Micromachined ultrasonic transources with dual out-of-plane and in-plane actuation and displacement
    Patent number: 11911792
    Abstract: A capacitive transducer is provided. The capacitive transducer includes a plate including a protruding center mass and a substrate with a center depression configured to accept the center mass. The capacitive transducer also includes a first electrode coupled to a non-horizontal edge surface of the center mass and a second electrode coupled to a non-horizontal edge surface of the center depression. The capacitive transducer further includes a third electrode coupled to a horizontal edge surface of the center mass and a fourth electrode coupled to a horizontal edge surface of the center depression. The plate is coupled to the substrate at least along an outer perimeter area of the plate and the substrate.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: February 27, 2024
    Assignee: GE Precision Healthcare LLC
    Inventors: Rupak Bardhan Roy, Edouard Da Cruz, Frederic Lanteri, Omid Farhanieh, Jean-François Gelly, Flavien Daloz
  • Micromachined ultrasonic transducers with non-coplanar actuation and displacement
    Patent number: 11904357
    Abstract: A micromachined ultrasonic transducers with non-coplanar actuation and displacement comprising a plate with a protruding center mass, a substrate with a center depression configured to accept the center mass, a first electrode coupled to a non-horizontal edge surface of the center mass, and a second electrode coupled to a non-horizontal edge surface of the center depression. The plate may be coupled to the substrate at least along an outer perimeter area of the plate and the substrate.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: February 20, 2024
    Assignee: GE Precision Healthcare LLC
    Inventors: Rupak Bardhan Roy, Frederic Lanteri, Edouard Da Cruz, Flavien Daloz, Jean Francois Gelly
  • Capactive micromachined transducer having a high contact resistance part
    Patent number: 11738369
    Abstract: A capacitive transducer comprising a top electrode and a bottom electrode, and a sidewall between the top electrode and the bottom electrode. The sidewall is configured to separate the top electrode and the bottom electrode by a gap. There is a high contact resistance part on one or both of a bottom side of the top electrode or a top side of the bottom electrode.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: August 29, 2023
    Assignee: GE PRECISION HEALTHCARE LLC
    Inventors: Rupak Bardhan Roy, Frederic Lanteri, Edouard Da Cruz, Bruno Haider
  • MICROMACHINED ULTRASONIC TRANSOURCES WITH DUAL OUT-OF-PLANE AND IN-PLANE ACTUATION AND DISPLACEMENT
    Publication number: 20220219198
    Abstract: A capacitive transducer is provided. The capacitive transducer includes a plate including a protruding center mass and a substrate with a center depression configured to accept the center mass. The capacitive transducer also includes a first electrode coupled to a non-horizontal edge surface of the center mass and a second electrode coupled to a non-horizontal edge surface of the center depression. The capacitive transducer further includes a third electrode coupled to a horizontal edge surface of the center mass and a fourth electrode coupled to a horizontal edge surface of the center depression. The plate is coupled to the substrate at least along an outer perimeter area of the plate and the substrate.
    Type: Application
    Filed: January 12, 2021
    Publication date: July 14, 2022
    Inventors: Rupak Bardhan Roy, Edouard Da Cruz, Frederic Lanteri, Omid Farhanieh, Jean-François Gelly, Flavien Daloz
  • MICROMACHINED ULTRASONIC TRANSDUCERS WITH NON-COPLANAR ACTUATION AND DISPLACEMENT
    Publication number: 20210362188
    Abstract: A micromachined ultrasonic transducers with non-coplanar actuation and displacement comprising a plate with a protruding center mass, a substrate with a center depression configured to accept the center mass, a first electrode coupled to a non-horizontal edge surface of the center mass, and a second electrode coupled to a non-horizontal edge surface of the center depression. The plate may be coupled to the substrate at least along an outer perimeter area of the plate and the substrate.
    Type: Application
    Filed: May 22, 2020
    Publication date: November 25, 2021
    Inventors: Rupak Bardhan Roy, Frederic Lanteri, Edouard Da Cruz, Flavien Daloz, Jean Francois Gelly
  • Capacitive Micromachined Transducer
    Publication number: 20210252554
    Abstract: A capacitive transducer comprising a top electrode and a bottom electrode, and a sidewall between the top electrode and the bottom electrode. The sidewall is configured to separate the top electrode and the bottom electrode by a gap. There is a high contact resistance part on one or both of a bottom side of the top electrode or a top side of the bottom electrode.
    Type: Application
    Filed: February 17, 2020
    Publication date: August 19, 2021
    Inventors: Rupak Bardhan Roy, Frederic Lanteri, Edouard Da Cruz, Bruno Haider
  • DEVICE AND METHOD FOR PERFORMING THERMAL KERATOPLASTY USING HIGH INTENSITY FOCUSED ULTRASOUNDS
    Publication number: 20160022490
    Abstract: A device for thermal keratoplasty, the device comprising a plurality of ultrasonic transducers for emitting ultrasound waves, wherein the ultrasound waves of at least one of the transducers is focused on a corresponding area of the cornea in order to heat these area and cause collagen shrinkage and at least one of the transducers is capable of receiving ultrasound waves for ocular imaging.
    Type: Application
    Filed: November 12, 2013
    Publication date: January 28, 2016
    Inventors: Arif Sanli Ergun, Rupak Bardhan Roy, Ayhan Bozkurt