1.
    发明专利
    未知

    公开(公告)号:FR2325078A1

    公开(公告)日:1977-04-15

    申请号:FR7623636

    申请日:1976-07-27

    Applicant: IBM

    Abstract: A positive photoresist having increased sensitivity to light and formed by the addition of an acidic compound to a 1,2-quinone-diazide sulphonic acid ester sensitizer.

    INTEGRATED CIRCUIT PACKAGE
    2.
    发明专利

    公开(公告)号:CA1078071A

    公开(公告)日:1980-05-20

    申请号:CA287346

    申请日:1977-09-23

    Applicant: IBM

    Abstract: IMPROVED INTEGRATED CIRCUIT PACKAGE A prepunched copper/dielectric laminate ground plane is positioned on a metallized ceramic substrate having printed circuits on the surface thereof and provided with a plurality of circuit connection pins. Connection between the ground plane and the circuit connection pins is achieved by welding or soldering of bonding elements between selected pins, which also provides mechanical attachment of the ground plane to the substrate.

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