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    • 3. 发明申请
    • PREPREG, WIRING BOARD, AND SEMICONDUCTOR DEVICE
    • PREPREG,接线板和半导体器件
    • US20130105200A1
    • 2013-05-02
    • US13807254
    • 2011-06-29
    • Noriyuki OhigashiTadasuke Endo
    • Noriyuki OhigashiTadasuke Endo
    • B32B19/02H05K1/02
    • B32B19/02B32B17/04C08J5/24C08J2363/00H01L2224/16227H05K1/02H05K1/0366H05K3/4602H05K3/4655H05K2201/0129H05K2201/0195H05K2201/0209H05K2201/029H05K2201/0358Y10T428/24355Y10T428/2495Y10T428/252
    • An object of the invention is to provide a prepreg which can be thinner, and has both surfaces which have different application, function, performance or properties to each other, one of which has excellent adhesion to the conductive layer, and the conductive layer which is in contact with the one surface of the prepreg can form a fine circuit, and the present invention provides a prepreg including a core layer containing a fibrous base, a first resin layer which is formed on one surface of the core layer, a second layer which is formed on the other surface of the core layer, and a carrier film which is selected from the group consisting of a metal foil and a resin film and which is laminated on at least one of the surfaces of the first resin layer and the second resin layer, wherein the first resin layer contains a first epoxy resin composition containing silica nanoparticles having an average particle diameter of 1 to 100 nm; a thermoplastic resin selected from the group consisting of a polyimide resin, a polyamide resin, a phenoxy resin, a polyphenylene oxide resin, and a polyether sulfone resin; and an epoxy resin, and the first resin layer is in contact with the fibrous base or a part of the first resin layer is infiltrated into the fibrous base; the second resin layer contains a second epoxy resin composition containing an inorganic filler, and an epoxy resin, and a part of the second resin layer is infiltrated into the fibrous base.
    • 本发明的目的是提供一种可以更薄的预浸料,并且具有彼此具有不同应用,功能,性能或性质的两个表面,其中一个对导电层具有优异的粘附性,导电层是 与预浸料坯的一个表面接触可以形成微细电路,本发明提供一种预浸料坯,其包括含有纤维基材的芯层,形成在芯层的一个表面上的第一树脂层,第二层, 形成在芯层的另一个表面上,并且载体膜选自金属箔和树脂膜,并且层压在第一树脂层和第二树脂的至少一个表面上 层,其中所述第一树脂层含有含有平均粒径为1〜100nm的二氧化硅纳米粒子的第一环氧树脂组合物; 选自聚酰亚胺树脂,聚酰胺树脂,苯氧基树脂,聚苯醚树脂和聚醚砜树脂的热塑性树脂; 和环氧树脂,所述第一树脂层与所述纤维基部接触,或者所述第一树脂层的一部分渗透到所述纤维基材中; 第二树脂层含有含有无机填料的第二环氧树脂组合物和环氧树脂,第二树脂层的一部分渗透到纤维基材中。