CRYSTAL OF GERMANIUM AND GALLIUM ARSENIDE

    公开(公告)号:CA1200468A

    公开(公告)日:1986-02-11

    申请号:CA375113

    申请日:1981-04-09

    Applicant: IBM

    Abstract: CRYSTAL OF GERMANIUM AND GALLIUM ARSENIDE A crystal of Ga(1-0.5x)Gex As(1-0.5x). The crystals are grown by epitaxial chemical vapor deposition with varying concentrations of the germanium which may be positioned on either or both the gallium and the arsenic sites in the respective sublattices.

    CONDUCTIVE SILICON CARBIDE
    43.
    发明专利

    公开(公告)号:CA1190043A

    公开(公告)日:1985-07-09

    申请号:CA434109

    申请日:1983-08-08

    Applicant: IBM

    Inventor: MARINACE JOHN C

    Abstract: Silicon carbide material retain the hardness, wear and heat resistance properties and can be rendered conductive by the incorporation of an element of the same valence as silicon and carbon in quantities in excess of 0.01%. Germanium in excess of 0.01% in SiC is conductive. The material is very hard, is electrically conductive in the 2x10-4 ohm cm range and is useful in highly corrosive and abrasive applications.

    48.
    发明专利
    未知

    公开(公告)号:DE1178827B

    公开(公告)日:1964-10-01

    申请号:DEJ0018778

    申请日:1960-09-28

    Applicant: IBM

    Abstract: A tunnel diode is formed by epitaxially depositing, in a closed container, a layer of semi-conductor of one conductivity type on a substrate of the opposite conductivity type by vapour deposition from a gaseous compound of the semi-conductor element and a transport element as in the parent Specification, the resulting junction being heat treated, either before, or during, the alloying of ohmic contacts thereto, to increase the ratio of peak to valley currents of the current voltage characteristic of the diode. In examples, germanium is deposited on germanium or gallium arsenide bodies which are then heat treated for 20 seconds-10 minutes at 665 DEG C.

Patent Agency Ranking