Patents by Inventor Fitzpatrick, Brian J.

Fitzpatrick, Brian J. 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).

  • Materials for II-VI lasers
    Patent number: 5260958
    Abstract: A material for use in a laser heterostructure which is lattice matched material to ZnSe and has a high band gap. The material is Mg.sub.y Zn.sub.l-y S.sub.x Se.sub.l-x with the ratio of sulphur to magnesium of 0.26/0.19. Lasing devices constructed from layers of this material and ZnSe can be either electron beam pumped or electrically driven.
    Type: Grant
    Filed: December 31, 1991
    Date of Patent: November 9, 1993
    Assignee: North American Philips Corporation
    Inventor: Fitzpatrick, Brian J.