11.
    发明专利
    未知

    公开(公告)号:DE68917417T2

    公开(公告)日:1995-03-16

    申请号:DE68917417

    申请日:1989-10-12

    Applicant: IBM

    Abstract: Thin films of polyimide having electrical insulation, low thermal expansion, high glass transition temperature, and good ahesion are made by dispersing fine domains of relatively flexible polyimide which is fluorinated in a matrix of relatively rigid polyimide.

    12.
    发明专利
    未知

    公开(公告)号:DE68917417D1

    公开(公告)日:1994-09-15

    申请号:DE68917417

    申请日:1989-10-12

    Applicant: IBM

    Abstract: Thin films of polyimide having electrical insulation, low thermal expansion, high glass transition temperature, and good ahesion are made by dispersing fine domains of relatively flexible polyimide which is fluorinated in a matrix of relatively rigid polyimide.

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