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    • 5. 发明申请
    • UNDERFILL COMPOSITION AND AN OPTICAL SEMICONDUCTOR DEVICE
    • 底层组合物和光学半导体器件
    • US20110065872A1
    • 2011-03-17
    • US12875606
    • 2010-09-03
    • Yusuke TAGUCHIJunichi Sawada
    • Yusuke TAGUCHIJunichi Sawada
    • C08G77/38
    • H01L23/296C08G77/16C08G77/70C08K3/36C08K5/544C08K5/548C08K9/06C08L83/04H01L21/563H01L33/56H01L2924/0002C08L83/00H01L2924/00
    • A purpose of the present invention is to provide an underfill composition for optical semiconductor devices which can provide a cured product whose moldability, adhesiveness to a gold bump, heat-resistance, and light resistance are better. The present invention is an underfill composition, comprising (A) 60 to 99 parts by weight of a branched organopolysiloxane having a weight average molecular weight of from 500 to 20000, reduced to polystyrene, and represented by the average compositional formula (1); (B) 250 to 1000 parts by weight of an inorganic filler; (C) 0.01 to 10 parts by weight of a condensation catalyst; (D) 1 to 40 parts by weight of an organopolysiloxane having a linear diorganopolysiloxane moiety, represented by the formula (2), provided that a total amount of component (A) and component (D) is 100 parts by weight; and (E) 0.2 to 2.0 parts by weight of silane coupling agent.
    • 本发明的目的是提供一种光学半导体器件的底部填充组合物,其可以提供其成型性,对金凸块的粘附性,耐热性和耐光性更好的固化产物。 本发明是一种底部填充剂组合物,其包含(A)60〜99重量份的重均分子量为500〜20000的分支有机聚硅氧烷,还原为聚苯乙烯,由平均组成式(1)表示。 (B)250〜1000重量份的无机填料; (C)0.01〜10重量份的缩合催化剂; (D)1〜40重量份具有由式(2)表示的线性二有机聚硅氧烷部分的有机聚硅氧烷,其中组分(A)和组分(D)的总量为100重量份; 和(E)0.2〜2.0重量份的硅烷偶联剂。