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    • 1. 发明授权
    • Heat-dissipating member, manufacturing method and installation method
    • 散热构件,制造方法和安装方法
    • US06940722B2
    • 2005-09-06
    • US10347599
    • 2003-01-22
    • Hiroaki TetsukaKunihiko MitaKunihiro YamadaYoshitaka AokiTsutomu Yoneyama
    • Hiroaki TetsukaKunihiko MitaKunihiro YamadaYoshitaka AokiTsutomu Yoneyama
    • H01L23/427H05K7/20
    • H01L23/427F28F2013/006H01L2924/0002Y10T428/31663H01L2924/00
    • A heat-dissipating member sandwiched between a heat dissipating electronic component which reaches a higher temperature than room temperature due to operation, and a heat-dissipating component for dissipating the heat produced from this heat dissipating electronic component. The heat-dissipating member of this invention has an interlayer comprising a metal foil and/or metal mesh having a thickness of 1-50 μm and heat conductivity of 10-500 W/mK, and a layer comprising a thermally-conducting composition containing 100 wt parts of a silicone resin and 1,000-3,000 wt parts of a thermally-conducting filler formed on both surfaces of the interlayer such that the overall thickness is within the range of 40-500 μm. This heat-dissipating member is non-fluid at room temperature, but due to the action of heat emitted when the electronic component operates, its viscosity decreases, and it softens or melts based on the phase transition of the resin and low melting point metal so that it is effectively in intimate contact with the boundary between the electronic component and heat-dissipating component without any gaps. The thermally-conducting filler contains a low melting point metal powder (1) having a melting temperature of 40-250° C. and a particle diameter of 0.1-100 μm, together with a thermally-conducting powder (2) having a melting temperature exceeding 250° C. and an average particle diameter of 0.1-100 μm, such that (1)/[(1)+(2)]=0.2-1.0.
    • 夹在由于操作而达到比室温高的温度的散热电子部件之间的散热部件,以及用于散发由该散热电子部件产生的热量的散热部件。 本发明的散热构件具有中间层,其包含厚度为1-50μm,导热率为10-500W / mK的金属箔和/或金属网,以及包括含有100 重量份硅树脂和1000-3,000重量份形成在中间层的两个表面上的导热填料,使得总厚度在40-500μm的范围内。 该散热构件在室温下为非流体,但是由于电子部件运转时发出的热量的作用,其粘度降低,并且基于树脂和低熔点金属的相变而软化或熔化,因此 它有效地与电子部件和散热部件之间的边界紧密接触而没有任何间隙。 导热性填料含有熔融温度为40〜250℃,粒径为0.1〜100μm的低熔点金属粉末(1),以及具有熔融温度的导热性粉末(2) 超过250℃,平均粒径为0.1-100μm,使得(1)/ [(1)+(2)] = 0.2-1.0。
    • 9. 发明授权
    • Thermally conductive silicone grease composition
    • 导热硅油组合物
    • US08383005B2
    • 2013-02-26
    • US13282797
    • 2011-10-27
    • Kenichi TsujiKunihiro YamadaHiroaki KizakiNobuaki Matsumoto
    • Kenichi TsujiKunihiro YamadaHiroaki KizakiNobuaki Matsumoto
    • C09K5/10C08G77/04C08G77/12C08G77/20
    • C09K5/14C08G77/12C08G77/18C08G77/20C08L83/04
    • A thermally conductive silicone grease composition comprising: (A) an organopolysiloxane having at least two alkenyl groups in one molecule and having a kinetic viscosity of 5,000 to 100,000 mm2/s at 25° C.; (B) a hydrolyzable methylpolysiloxane having a trifunctional termination at one end and represented by the following general formula (2): wherein R2 represents an alkyl group having 1 to 6 carbon atoms and b is an integer of 5 to 100; (C) a thermally conductive filler having a thermal conductivity of at least 10 W/m·° C.; (D) an organohydrogenpolysiloxane containing from 2 to 5 hydrogen atoms in one molecule directly bound to silicon atoms (Si—H groups); (E) a bonding aid having a triazine ring and at least one alkenyl group in one molecule; and (F) a catalyst selected from the group consisting of platinum and platinum compounds.
    • 一种导热硅脂组合物,其包含:(A)在一个分子中具有至少两个烯基的有机聚硅氧烷,其在25℃下的动力学粘度为5,000至100,000mm 2 / s; (B)在一端具有三官能终止并由以下通式(2)表示的可水解甲基聚硅氧烷:其中R2表示碳原子数1〜6的烷基,b为5〜100的整数。 (C)具有至少10W / m·℃的导热率的导热填料; (D)在一个直接与硅原子结合的分子(Si-H基)中含有2至5个氢原子的有机氢聚硅氧烷; (E)在一个分子中具有三嗪环和至少一个烯基的键合助剂; 和(F)选自铂和铂化合物的催化剂。