Patents by Inventor Claude Jan Principe Frederic Le Can

Claude Jan Principe Frederic Le Can 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).

  • Semiconductor device with isolated circuit elements and method of making
    Patent number: 4005453
    Abstract: A semiconductor device having a region of a first conductivity type, a semiconductor layer present thereon, a buried layer of the second conductivity type provided locally between the said layer and the region, a buried layer of the first conductivity type provided on said buried layer and an inset pattern of an insulating material which adjoins the buried layer of the second conductivity type and surrounds two islands of the semiconductor layer connected by the buried layer of the first conductivity type in one of which a semiconductor circuit element is provided which is contacted via the other island. Suited in particular for integration of insulated complementary transistor pairs.
    Type: Grant
    Filed: January 9, 1975
    Date of Patent: January 25, 1977
    Assignee: U.S. Philips Corporation
    Inventors: Claude Jan Principe Frederic Le Can, Else Kooi, Walter Steinmaier