Patents by Inventor Irena Puchalska-Hibner

Irena Puchalska-Hibner 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).

  • Bubble domain structures and method of making
    Patent number: 4144585
    Abstract: A magnetic bubble domain structure and method of making comprising a film of a nickel-iron alloy of 80 to 83.5% nickel content and substantially zero constant of magnetostriction formed by vapor deposition of the alloy onto a flat substrate at a substrate temperature in the range of room temperature to 200.degree. C. at an angle of incidence of approximately 60.degree. to a film thickness of 0.2.mu.m to 3.0.mu.m, the film being immersed in a magnetic field perpendicular to the film and of 1600 to 2400 oersteds intensity.
    Type: Grant
    Filed: August 16, 1976
    Date of Patent: March 13, 1979
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventor: Irena Puchalska-Hibner