Patents by Inventor Francis DeRosa

Francis DeRosa 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).

  • Rapid temperature cycling for accelerated stress testing
    Patent number: 5318361
    Abstract: An environmental testing chamber (10) and thermal cycling method in which, in addition to stressing the device (20) under test with electrical bias (32), elevated temperature (12), pressure (16), and humidity (18) while the device is being monitored (32), a thermoelectric heat pump (26) quickly cycles the temperature of the device by pumping heat from the heat sink (22) mounting the device to another larger heat sink (24).
    Type: Grant
    Filed: June 1, 1993
    Date of Patent: June 7, 1994
    Assignee: Bell Communications Research, Inc.
    Inventors: Eugene W. Chase, Francis DeRosa, Michael P. Dugan, Burton A. Unger