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    • 4. 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。
    • 6. 发明申请
    • HEAT-CONDUCTIVE SILICONE COMPOSITION AND CURED PRODUCT THEREOF
    • 导热硅胶组合物及其固化产品
    • US20080057325A1
    • 2008-03-06
    • US11846862
    • 2007-08-29
    • Ikuo SakuraiNobuaki MatsumotoKei MiyoshiKunihiro Yamada
    • Ikuo SakuraiNobuaki MatsumotoKei MiyoshiKunihiro Yamada
    • C08G77/12
    • C09J183/04C08G77/045C08G77/18C08G77/20C08K3/22C08K5/56C08L83/00Y10T428/31663
    • Provided is a heat-conductive silicone composition, including: (A) 100 parts by volume of an organopolysiloxane having a specific structure, (B) 0.1 to 50 parts by volume of an organosilicon compound that functions as a wetter and contains a triorganooxysilyl group bonded to one terminal via an alkylene group that may be branched, (C) 100 to 2,500 parts by volume of a heat-conductive filler, and (D) an effective quantity of a curing agent. Also provided is a heat-conductive silicone cured product obtained by curing this composition. The heat-conductive silicone composition, even when filled with a large quantity of a heat-conductive filler in order to provide superior thermal conductivity, exhibits a minimal increase in viscosity or plasticity, and retains favorable handling properties and moldability. The heat-conductive silicone cured product exhibits excellent flexibility even when filled with a large quantity of a heat-conductive filler. Heat generated by a heat-generating electronic component can be dissipated into a heat-radiating component by sandwiching the cured product between the heat-generating electronic component and the heat-radiating component.
    • 提供一种导热性有机硅组合物,其包含:(A)100体积份的具有特定结构的有机聚硅氧烷,(B)0.1〜50体积份作为润湿剂的有机硅化合物,并且含有三有机氧基甲硅烷基键合 通过可以被支链的亚烷基连接到一个末端,(C)100-2,500体积份的导热填料,和(D)有效量的固化剂。 还提供了通过固化该组合物获得的导热硅氧烷固化产物。 即使填充有大量导热填料以提供优异的导热性,导热硅氧烷组合物的粘度或塑性的增加也最小,并保持良好的操作性和成型性。 即使填充有大量的导热性填料,导热性硅酮固化物也具有优异的柔软性。 由发热电子部件产生的热可以通过将固化物夹在发热电子部件和散热部件之间而散发到散热部件中。
    • 7. 发明申请
    • Heat conductive silicone grease composition and cured product thereof
    • 导热硅脂组合物及其固化产物
    • US20070042533A1
    • 2007-02-22
    • US11505435
    • 2006-08-17
    • Akihiro EndoKunihiro YamadaHiroaki KizakiKei Miyoshi
    • Akihiro EndoKunihiro YamadaHiroaki KizakiKei Miyoshi
    • H01L21/00C08L83/04B32B9/04
    • H01L23/3737C10M169/04C10M2201/041C10M2201/05C10M2201/053C10M2201/061C10M2229/041C10M2229/0415C10M2229/044C10M2229/046C10N2210/01C10N2210/03C10N2210/07C10N2210/08C10N2220/082C10N2230/02H01L2224/32245Y10T428/31663
    • Provided is a heat conductive silicone grease composition including (A) 100 parts by mass of an organopolysiloxane containing 2 or more alkenyl groups bonded to silicon atoms within each molecule, (B) an organohydrogenpolysiloxane containing 2 or more hydrogen atoms bonded to silicon atoms within each molecule, in sufficient quantity to provide from 0.1 to 5.0 hydrogen atoms bonded to silicon atoms within the component (B) for each alkenyl group within the component (A), (C) 100 to 2,200 parts by mass of a heat conductive filler, (D) an effective quantity of a platinum-based catalyst, and (E) an effective quantity of an addition reaction retarder, in which the component (C) includes more than 90% by mass and no more than 100% by mass of an indium powder with an average particle size of 0.1 to 100 μm. Also provided is a heat conductive silicone cured product obtained by curing the above composition by heating at a temperature equal to, or greater than, the melting point of the indium powder. Further provided is an electronic device including an electronic component, a heat radiating member, and a heat conductive member including the above cured product disposed between the electronic component and the heat radiating member. Still further provided is a method of curing the above composition. Even further provided is a method of forming a heat conductive member between an electronic component and a heat radiating member. The above heat conductive silicone grease composition generates a suitably thin cured product with excellent thermal conductivity that prevents problems such as the contamination of components other than the coated component, and the leakage of oily materials from the product if used over extended periods.
    • 本发明提供一种导热性硅氧烷润滑脂组合物,其包含(A)100质量份在每个分子内含有2个以上与硅原子键合的烯基的有机聚硅氧烷,(B)含有2个以上与各原子中的硅原子键合的氢原子的有机氢聚硅氧烷 分子,提供组分(A),(C)中每个链烯基组分(B)内与硅原子键合的0.1至5.0个氢原子,100至2200质量份的导热填料( D)有效量的铂系催化剂和(E)有效量的加成反应缓凝剂,其中组分(C)包含大于90质量%且不大于100质量%的铟 平均粒径为0.1〜100μm的粉末。 还提供了通过在等于或大于铟粉末的熔点的温度下加热固化上述组合物而获得的导热硅酮固化产物。 还提供了一种电子设备,包括电子部件,散热构件和导热构件,其包括设置在电子部件和散热构件之间的上述固化物。 还提供了固化上述组合物的方法。 进一步提供一种在电子部件和散热部件之间形成导热部件的方法。 上述导热硅脂组合物产生具有优异导热性的合适薄的固化产物,其防止诸如涂层组分之外的组分的污染等问题,以及如果长时间使用则油品从产品中泄漏。
    • 9. 发明授权
    • Sampling system
    • 抽样系统
    • US06501811B1
    • 2002-12-31
    • US09295317
    • 1999-04-21
    • Kunihiro Yamada
    • Kunihiro Yamada
    • H04L2536
    • H04L7/0029H04L7/027H04L25/03012H04L2025/03471
    • A sampling system includes a first sampler which periodically samples an input signal at a fixed sampling period T to output a sequence of samples. A first lowpass filter outputs a sequence of −T/4 phase shifted samples from the sequence of samples. A second lowpass filter outputs a sequence of +T/4 phase shifted samples from the sequence of samples. A second sampler outputs a sequence of secondary samples by alternately taking the −T/4 phase shifted samples supplied by the first lowpass filter and the +T/4 phase shifted samples supplied by the second lowpass filter at, a sampling period that is half the sampling period T, the second sampler doubling the number of the samples output by the first sampler. An interpolation circuit outputs at the sampling period T a sequence of output samples by executing an interpolation of the sequence of secondary samples output by the second sampler, the sequence of output samples having a timing phase synchronized to a given arbitrary clock signal.
    • 采样系统包括第一采样器,其在固定采样周期T周期性地采样输入信号,以输出采样序列。 第一低通滤波器从样本序列输出-T / 4个相移样本序列。 第二个低通滤波器从样本序列输出一个+ T / 4个相移采样序列。 第二采样器通过交替地采取由第一低通滤波器提供的-T / 4相移采样和由第二低通滤波器提供的+ T / 4相移样本,在一半的采样周期输出次序样本序列 采样周期T,第二采样器将由第一采样器输出的采样数量加倍。 内插电路通过执行由第二取样器输出的次级样本序列的插值,采样周期T输出输出采样序列,输出采样序列具有与给定的任意时钟信号同步的定时相位。
    • 10. 发明授权
    • Data storage device capable of storing plural bits of data
    • 能够存储多位数据的数据存储装置
    • US06215728B1
    • 2001-04-10
    • US09577581
    • 2000-05-25
    • Kunihiro Yamada
    • Kunihiro Yamada
    • G11C804
    • G11C11/5621G11C11/412G11C16/32
    • Disclosed is a data storage device capable of storing plural bits of data using one storage circuit which can hold two signal levels. The data storage device storing the plural bits of data comprises a clock generating section for generating a reference clock signal having predetermined reference cycles and at least one divided clock signal having a cycle which is (½)n (n: natural number) times the reference cycle; decoding sections for selecting any one of periods, based on contents of data inputted thereto, among a plurality of periods at which a signal level of the divided clock signal is constant at one of the reference cycles; a storage section for starting to generate cyclic pulses having the same cycle as the reference cycle at a predetermined timing as a trigger timing, the predetermined timing being within the selected period by the decoding sections; and an output section for specifying output data based on a signal level of the reference clock signal at the same phase timing as the trigger timing in terms of a cycle of the pulses and a signal level of the divided clock signal in the phase timing.
    • 公开了一种能够使用可以保持两个信号电平的一个存储电路来存储多个数据位的数据存储装置。 存储多位数据的数据存储装置包括:时钟产生部分,用于产生具有预定参考周期的参考时钟信号;以及至少一个分频时钟信号,该周期是(1/2)n(n:自然数)乘以参考 周期; 在所述分配时钟信号的信号电平在所述基准周期中的一个恒定的多个周期中,基于从其输入的数据的内容来选择周期中的任一个的解码部分; 存储部,用于在预定定时作为触发定时开始生成与基准周期相同周期的循环脉冲,所述规定定时由所述解码部在所选择的周期内; 以及输出部分,用于基于在相位定时中与脉冲周期和分频时钟信号的信号电平相关的与触发时序相同的相位定时,基于参考时钟信号的信号电平来指定输出数据。