Patents by Inventor Alejandro J. Valentino

Alejandro J. Valentino 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).

  • Display devices with yttrium orthosilicate phosphors
    Patent number: 4894583
    Abstract: Certain yttrium orthosillicate phosphors doped with various rare-earths are particularly suitable for use in various display devices including cathode ray tubes. Included are single crystal phosphors which exhibit high brightness and long life under high energy excitation and conventional powder phosphors with great sensitivity.
    Type: Grant
    Filed: September 2, 1988
    Date of Patent: January 16, 1990
    Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories
    Inventors: George W. Berkstresser, Charles D. Brandle, Jr., Joseph Shmulovich, Alejandro J. Valentino
  • Growth of congruently melting gadolinium scandium gallium garnet
    Patent number: 4802180
    Abstract: The congruently melting composition of gadolinium scandium gallium garnet comprisesGd.sub.2.96.+-.0.03 Sc.sub.1.90.+-.0.05 Ga.sub.3.14+0.05 O.sub.12.The composition may be used as the substrate for magnetic bubble domain devices or, when doped with a suitable activator (e.g., Cr.sup.+3 or Nd.sup.+3 or both), may serve as the active medium of a solid state laser.
    Type: Grant
    Filed: April 30, 1986
    Date of Patent: January 31, 1989
    Assignee: American Telephone and Telegraph Company, AT&T Bell Laboratories
    Inventors: Charles D. Brandle, Jr., Vincent J. Fratello, Alejandro J. Valentino