Patents Represented by Attorney Birgit E. Morris

Find this attorney in the Justia Lawyer Directory

  • Liquid crystal device and method for preparing same
    Patent number: 4095876
    Abstract: A liquid crystal cell comprises two conductive glass plates sealed together by means of a glass frit seal along the edges of the plates in spaced apart relation to form an enclosure. A gap is left through the seal for filling the enclosure with a liquid crystal composition with a barrier behind the gap. Prior to filling, a continuous multimetal coating is sputtered so as to completely surround the gap. After the cell is filled, the gap is hermetically sealed by means of a fused solder seal bonded to the sputtered coating.
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: June 20, 1978
    Assignee: RCA Corporation
    Inventors: Carel Willem Horsting, William Bernard Hall
  • Liquid crystal matrix display device with transistors
    Patent number: 4094582
    Abstract: A field-effect transistor, made with liquid crystal material, is connected to each liquid crystal cell in a liquid crystal matrix display device. The transistors with the display, all made with liquid crystal material, are integrally constructed in one device.
    Type: Grant
    Filed: October 18, 1976
    Date of Patent: June 13, 1978
    Assignee: RCA Corporation
    Inventor: Lawrence Alan Goodman
  • Electroluminescent semiconductor device with passivation layer
    Patent number: 4095011
    Abstract: A semiconductor device has a body of a semiconductor material wherein arsenic, As, is a constituent component of the material. A passivation layer of a material selected from the group consisting of arsenic sulfide, As.sub.2 S.sub.3, arsenic selenide, As.sub.2 Se.sub.3, and arsenic telluride, As.sub.2 Te.sub.3, is on surfaces of the body.
    Type: Grant
    Filed: June 21, 1976
    Date of Patent: June 13, 1978
    Assignee: RCA Corp.
    Inventors: Frank Zygmunt Hawrylo, Henry Kressel
  • Method of aligning optical fibers with light emitting optical devices
    Patent number: 4090777
    Abstract: This invention relates to a method of aligning the core of a thin optical fiber with a light emitting optical device. Prior to alignment a thin, continuous high index of refraction layer is formed on a stripped end segment of the optical fiber. The layer is formed by applying a solution of a volatile solvent and high index of refraction polymer to the stripped segment and evaporating the solvent before beading of the polymer solution occurs. The core of the fiber can then be aligned with the light emitting optical device by observing light exit the optical fiber.
    Type: Grant
    Filed: October 13, 1976
    Date of Patent: May 23, 1978
    Assignee: RCA Corporation
    Inventor: James Pleister Wittke
  • Method of producing optical image on chromium or aluminum film with high-energy light beam
    Patent number: 4087281
    Abstract: A latent image is produced on a metallic film having at least one layer of chromium or aluminum by exposing the film to a light pattern. The intensity of the light from the light pattern must be below the threshold for evaporation of the metallic film. The latent image is developed by dipping the metallic film into an etchant.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: May 2, 1978
    Assignee: RCA Corporation
    Inventors: Minoru Toda, Susumu Osaka
  • Organic volume phase holographic recording media using sucrose benzoate
    Patent number: 4084970
    Abstract: Organic holographic recording media comprise organic photosensitive compounds such as .alpha.-diketones, quinones and nitro compounds in sucrose benzoate as host.
    Type: Grant
    Filed: February 27, 1976
    Date of Patent: April 18, 1978
    Assignee: RCA Corporation
    Inventors: Allen Bloom, Daniel Louis Ross, Robert Alfred Bartolini, Ling Kong Hung
  • Video disc with a conductive layer having an oxygen content gradient
    Patent number: 4077051
    Abstract: This invention pertains to a video disc having a conductive bilayer thereon of a copper layer and a nickel/chromium/iron alloy layer wherein the alloy layer contains oxygen which decreases in content from the copper-alloy interface to an alloy-dielectric interface.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: February 28, 1978
    Assignee: RCA Corporation
    Inventor: John Louis Vossen, Jr.
  • Video disc capacitive recording means with a conductive bilayer
    Patent number: 4077052
    Abstract: This invention relates to a capacitive recording means comprising a video disc with a thin conductive bilayer on the surface of the disc wherein the bilayer is a first layer of copper and a second layer of an alloy of nickel, chromium and iron which contains oxygen. An inorganic dielectric layer is disposed on the conductive layer.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: February 28, 1978
    Assignee: RCA Corporation
    Inventor: John Louis Vossen, Jr.
  • Video disc with a dielectric layer formed from styrene and nitrogen
    Patent number: 4072985
    Abstract: This invention relates to a video disc with a thin polymeric dielectric layer formed from styrene and nitrogen. The dielectric layer has improved age deterioration resistance, wear characteristics and adhesion to a metal conductive layer.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: February 7, 1978
    Assignee: RCA Corporation
    Inventors: Grzegorz Kaganowicz, John W. Robinson
  • Method of filling dynamic scattering liquid crystal devices
    Patent number: 4064919
    Abstract: A dynamic scattering liquid crystal cell can be filled from a single fill port by evacuating the cell, filling with a solution of an ionic dopant in a volatile solvent, evaporating the solvent and refilling under vacuum with the dynamic scattering liquid crystal composition. Ion hang-up is avoided and only a single volume of the liquid crystal composition is required to fill the cell.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: December 27, 1977
    Assignee: RCA Corporation
    Inventors: Herman Abraham Stern, Howard Sorkin, Henry Claude Schindler
  • Method of making gold-cobalt contact for silicon devices
    Patent number: 4065588
    Abstract: A contact for a silicon device comprises a layer of gold on the silicon, and a layer of cobalt on the gold layer. The contact is made by depositing gold on the silicon, depositing cobalt on the gold and heating the structure at a temperature between about 300.degree. and about 370.degree. C in a reducing gas atmosphere.
    Type: Grant
    Filed: November 20, 1975
    Date of Patent: December 27, 1977
    Assignee: RCA Corporation
    Inventor: Anthony Francis Arnold
  • Electron beam recording media containing 4,4'-bis(3-diazo-3,4-dihydro-4-oxo-1-naphthalene-sulfonyloxy)benzil
    Patent number: 4065306
    Abstract: Recording media comprising a mixture of 4,4'-bis(3-diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonyloxy)benzil and an alkali soluble resin are suitable for recording information with electron beams. These recording media have high sensitivity, high resolving power and can be reproducibly formulated.
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: December 27, 1977
    Assignee: RCA Corporation
    Inventors: Daniel Louis Ross, Lucian Anthony Barton
  • Deposition of transparent amorphous carbon films
    Patent number: 4060660
    Abstract: Applying a D. C. glow discharge to a heated glassy substrate in an evacuated chamber to which a volatile hydrocarbon has been added, produces a glassy substrate coated with a hard, transparent, resistive, amorphous carbon coating.
    Type: Grant
    Filed: January 15, 1976
    Date of Patent: November 29, 1977
    Assignee: RCA Corporation
    Inventors: David Emil Carlson, Chester Edwin Tracy
  • Photoresist containing a thiodipropionate compound
    Patent number: 4059449
    Abstract: This invention relates to a photoresist consisting of a novolak resin and a sensitizer containing a thiodipropionate compound.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: November 22, 1977
    Assignee: RCA Corporation
    Inventors: Thomas Francis Rosenkranz, Richard Joseph Himics
  • Light modulation employing single crystal optical waveguides of niobium-doped lithium tantalate
    Patent number: 4056304
    Abstract: An optical waveguide of niobium-doped lithium tantalate single crystal has excellent low loss waveguiding properties with strong electro-optic behavior. The waveguides are made by depositing a film of niobium on a polished lithium tantalate crystal, annealing the crystal so as to diffuse the niobium into the crystal and cooling the crystal.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: November 1, 1977
    Assignee: RCA Corporation
    Inventor: William Phillips
  • Method of depositing low stress hafnium thin films
    Patent number: 4056457
    Abstract: By radio frequency sputtering hafnium films on an alumina or sapphire substrate at high deposition rates and minimum substrate target bias, improved adhesion of the hafnium films to the substrate is obtained.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: November 1, 1977
    Assignee: RCA Corporation
    Inventor: John Louis Vossen, Jr.
  • Organic medium for thin-phase holography
    Patent number: 4055423
    Abstract: Permanent thin-phase holograms are recorded wherein the recording medium contains a recording layer comprised of an olefinically unsaturated negative photoresist polymer containing an .alpha.-diketone.
    Type: Grant
    Filed: April 15, 1976
    Date of Patent: October 25, 1977
    Assignee: RCA Corporation
    Inventors: Robert Alfred Bartolini, Allen Bloom
  • Photosensitive copolymer on silicon support
    Patent number: 4054454
    Abstract: Copolymers of certain keto-olefins and SO.sub.2 are sensitive to light and form films useful as photoresists in the manufacture of printed circuits, integrated circuits, printing plates and the like.
    Type: Grant
    Filed: February 20, 1976
    Date of Patent: October 18, 1977
    Assignee: RCA Corporation
    Inventors: Richard Joseph Himics, Scott Oliver Graham, Daniel Louis Ross
  • Crystals for recording phase holograms
    Patent number: 4052119
    Abstract: Single crystal electro-optic material useful for recording phase holograms comprises lithium niobate or lithium tantalate doped with iron and silicon.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: October 4, 1977
    Assignee: RCA Corporation
    Inventors: Brown F. Williams, William Joseph Burke, William Phillips, David Lloyd Staebler
  • Puzzle toy
    Patent number: D247516
    Type: Grant
    Filed: December 5, 1975
    Date of Patent: March 14, 1978
    Assignee: Educational Design Associates
    Inventor: Patricia Ann Root