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    • 12. 发明授权
    • Aluminum nitride powder and thermally conductive grease composition
using the same
    • 氮化铝粉末和使用其的导热油脂组合物
    • US6136758A
    • 2000-10-24
    • US209455
    • 1998-12-11
    • Kunihiro YamadaTakayuki TakahashiKenichi Isobe
    • Kunihiro YamadaTakayuki TakahashiKenichi Isobe
    • C01B21/072C10M113/16C10M169/00C10M169/02C10M107/50
    • C10M169/02C01B21/0728C10M113/16C10M169/00C10M2201/0613C10M2201/0616C10M2201/0626C10M2227/045C10N2210/02C10N2210/03C10N2250/10C10N2260/00
    • An aluminum nitride powder having the surface treated with an organosilane represented by formula, R.sup.I.sub.a R.sup.II.sub.b SiY.sub.4-1-b, and/or a partial hydrolysis condensate thereof to acquire excellent moisture-proof, wherein R.sup.I represents a 6-20C alkyl group or a group formed by substituting halogen atom or atoms for part or all of the hydrogen atoms attached to carbon atoms of the 6-20C alkyl group, R.sup.II represents a 1-20C hydrocarbon group or a group formed by substituting halogen atom or atoms for part or all of the hydrogen atoms attached to carbon atoms of the 1-20C hydrocarbon group, Y represents a hydrolyzable group, a is an integer of 1 to 3 and b is an integer of 0 to 2, provided that a+b is an integer of 1 to 3; and a thermally conductive grease composition comprising (A) 50-95 weight % of the aforementioned surface-treated aluminum nitride powder and (B) 5 to 50 weight % of at least one base oil selected from the group consisting of liquid silicones, liquid hydrocarbons and fluorohydrocarbon oils, and further, if desired, (C) 0-30 weight % of a thicknener selected from the group consisting of zinc oxide, alumina, boron nitride and silicon carbide powders.
    • 具有用式表示的有机硅烷表面处理的氮化铝粉末,RIaRIIbSiY4-1-b和/或其部分水解缩合物,以获得优异的防湿性,其中RI表示6-20C烷基或由 用卤原子或原子取代与6-20C烷基的碳原子连接的部分或全部氢原子,RII表示1-20C的烃基或通过用卤原子或原子取代部分或全部氢 附着于1-20C烃基的碳原子的原子,Y表示可水解基团,a表示1〜3的整数,b表示0〜2的整数,条件是a + b为1〜3的整数。 和导热性润滑脂组合物,其包含(A)50-95重量%的上述表面处理的氮化铝粉末和(B)5至50重量%的至少一种基础油,其选自液体硅酮,液体烃 和氟代烃油,并且如果需要,(C)0-30重量%的选自氧化锌,氧化铝,氮化硼和碳化硅粉末的增稠剂。
    • 16. 发明申请
    • HEAT-CONDUCTIVE SILICONE COMPOSITION
    • 导热硅胶组合物
    • US20130105726A1
    • 2013-05-02
    • US13606061
    • 2012-09-07
    • Kenichi TSUJIKunihiro Yamada
    • Kenichi TSUJIKunihiro Yamada
    • C09K5/16
    • C08K3/08C08G77/12C08G77/20C08K5/0025C08K5/5419C08K5/5425C08K5/56C08K13/02C08K2003/0806C08K2003/0812C08L83/04C09D183/04C08L83/00
    • A heat-conductive silicone composition that exhibits reduced thermal contact resistance, while also maintaining high overall thermal conductivity. Specifically, a heat-conductive silicone composition comprising silver particles that undergo an exothermic reaction at a temperature of 260° C. or lower. One embodiment of the composition comprises (A) an organopolysiloxane comprising at least two alkenyl groups within each molecule, and having a kinematic viscosity at 25° C. of 10 to 100,000 mm2/s, (B) an organohydrogenpolysiloxane comprising at least two hydrogen atoms bonded to silicon atoms within each molecule, (C) a platinum-based hydrosilylation reaction catalyst, (D) a reaction retarder, (E) silver particles that undergo an exothermic reaction at a temperature of 260° C. or lower, and (F) a heat-conductive filler, other than the component (E), having a thermal conductivity of at least 10 W/m° C.
    • 具有降低的热接触电阻的导热硅氧烷组合物,同时还保持高的整体导热性。 具体地说,包括在260℃以下的温度下进行放热反应的银粒子的导热性有机硅组合物。 组合物的一个实施方案包括(A)在每个分子内包含至少两个烯基的有机聚硅氧烷,并且在25℃下的运动粘度为10至100,000mm 2 / s,(B)包含至少两个氢原子的有机氢聚硅氧烷 (C)铂系氢化硅烷化反应催化剂,(D)反应延迟剂,(E)在260℃以下的温度下发生放热反应的银粒子,(F )除了组分(E)之外的具有至少10W / m℃的热导率的导热填料。
    • 17. 发明申请
    • THERMALLY CONDUCTIVE SILICONE GREASE COMPOSITION
    • 导热硅脂润滑脂组合物
    • US20120119137A1
    • 2012-05-17
    • US13282797
    • 2011-10-27
    • Kenichi TsujiKunihiro YamadaHiroaki KizakiNobuaki Matsumoto
    • Kenichi TsujiKunihiro YamadaHiroaki KizakiNobuaki Matsumoto
    • C09K5/10
    • 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。
    • 20. 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。