MULTI-LAYER WIRING SUBSTRATE AND SEMICONDUCTOR DEVICE

    公开(公告)号:EP3589093A1

    公开(公告)日:2020-01-01

    申请号:EP18756912.4

    申请日:2018-02-20

    Abstract: A purpose of the present disclosure is to provide a multilayer wiring substrate capable of reducing transmission loss of electrical signals when using a fluororesin substrate, by using an adhesive layer capable of suppressing misalignment between layers and having excellent peel strength. Provided is a multilayer wiring substrate 1 including: a fluororesin substrate 30 having a conductor pattern 20 formed on at least one surface thereof; and an adhesive layer 10 for bonding the fluororesin substrate 30, wherein the adhesive layer 10 contains a cured product of a thermosetting resin, and has a breaking elongation rate of 20% or more and 300% or less.

    METHOD FOR PRODUCING ADHESIVE SHEET
    80.
    发明公开

    公开(公告)号:EP3505581A1

    公开(公告)日:2019-07-03

    申请号:EP17846189.3

    申请日:2017-08-21

    Abstract: Disclosed is a method for manufacturing a double side embossed adhesive sheet which comprises a thermoplastic resin as a main component, the method including: contacting one side of a melt which comprises a thermoplastic resin as a main component, extruded from a die, with a surface of a cast roll having an embossed shape on the surface while nipping the melt from an opposite side with a nip roll having an embossed shape on a surface thereof, wherein one of the cast roll and the nip roll is made of metal and the other is made of rubber.

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