Patents by Inventor Anatoly Prokofievich Karatsjuba

Anatoly Prokofievich Karatsjuba 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 indicating instrument
    Patent number: 3982262
    Abstract: A semiconductor indicating instrument or display device employing a silicon carbide crystal having a first ohmic contact with an n-type region and at least one second ohmic contact with a p-type region. Another region is disposed between the regions of opposite types of conductivity. The silicon carbide crystal also has an additional region with structure defects which are clusters with a concentration of 10.sup.19 cm.sup.-.sup.3 to 10.sup.22 cm.sup.-.sup.3, that region adjoining the second ohmic contact and having a thickness greater than that of the p-type region by at least 0.05 mu.
    Type: Grant
    Filed: April 17, 1974
    Date of Patent: September 21, 1976
    Inventors: Anatoly Prokofievich Karatsjuba, Tatyana Georgievna Kmita, Igor Ivanovich Kruglov, Vladimir Ivanovich Kurinny, Anatoly Ivanovich Kurnosov, Igor Veniaminovich Ryzhikov, Vladimir Vasilievich Judin