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    • 2. 发明专利
    • Composite material
    • 复合材料
    • JP2011089161A
    • 2011-05-06
    • JP2009242791
    • 2009-10-21
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • IWAYAMA ISAOKAWAI CHIHIRO
    • C22C1/10C22C23/00C22C26/00H01L23/373H05K7/20
    • PROBLEM TO BE SOLVED: To provide a composite material which is suitable for the heat radiation member of a semiconductor element, to provide a method for producing the same, to provide a heat radiation member, and to provide a semiconductor device. SOLUTION: The composite material is obtained by dispersing diamond into the metal matrix made of magnesium (Mg) or a magnesium alloy (Mg alloy). The composite material is produced by infiltrating melted Mg or melted Mg alloy (molten Mg) into a powder compact produced using diamond powder and Si powder. Before the infiltration, the powder compact is heated to a prescribed holding temperate of the melting point of Si or higher, the surface of the powder compact is converted into SiC, and is further oxidized so as to convert at least the surface side part of the SiC into silicon oxide. When the oxidized compact including the silicon oxide is brought into contact with the molten Mg, by reaction with the silicon oxide, Mg 2 Si is produced. The oxidized compact in which the silicon oxide is formed has excellent wettability with the molten Mg, and from which a composite material having excellent thermal conductivity can be obtained. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种适用于半导体元件的散热构件的复合材料,以提供其制造方法,以提供散热构件,并提供半导体器件。 解决方案:通过将金刚石分散在由镁(Mg)或镁合金(Mg合金)制成的金属基体中获得复合材料。 复合材料通过将熔融的Mg或熔融的Mg合金(熔融的Mg)浸渗到使用金刚石粉末和Si粉末制造的粉末压块中来制备。 在渗透之前,将粉末压块加热到规定的熔点为Si以上的保持温度,将粉末成形体的表面转化成SiC,进一步氧化,至少将表面侧部分 SiC转化为氧化硅。 当包含氧化硅的氧化物与熔融的Mg接触时,通过与氧化硅的反应,生成MgSb 2 Si。 其中形成氧化硅的氧化体与熔融的Mg具有优异的润湿性,并且可以获得具有优良导热性的复合材料。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Heat dissipating member and its manufacturing method
    • 散热器及其制造方法
    • JP2008311632A
    • 2008-12-25
    • JP2008121518
    • 2008-05-07
    • Allied Material CorpSumitomo Electric Ind Ltd住友電気工業株式会社株式会社アライドマテリアル
    • IWAYAMA ISAOKUSAKARI MISATOTAKAGI YOSHIYUKINISHIKAWA TAICHIRONAKAI YOSHIHIROIKEDA TOSHIYA
    • H01L23/373B22D19/00B22D19/14
    • PROBLEM TO BE SOLVED: To provide a method, for highly productively manufacturing a heat dissipating member, capable of manufacturing the heat dissipating member in which a metal layer is provided on one surface of a composite member, and the heat dissipating member. SOLUTION: A joining layer composed of a low-melting point metal having a lower liquidus temperature than a metal constituting a metal plate is formed on the metal plate. This metal plate is disposed in a mold; and a mixed molten metal in which a molten metal matrix is mixed with ceramic particles is poured in the mold. The mixed molten metal is solidified to form the composite member, and the mixed molten metal melts the joining layer to join the composite member and the metal plate to form a metal layer, thereby providing the heat dissipating member having the metal layer on one surface of the composite member. Utilization of the metal plate on which the joining layer is formed can reduce the temperature of the mold and improve the productivity of the heat dissipation member. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种能够高效地制造散热构件的方法,该方法能够制造其中在复合构件的一个表面上设置有金属层的散热构件和散热构件。 解决方案:在金属板上形成由具有比构成金属板的金属低的液相线温度的低熔点金属构成的接合层。 该金属板设置在模具中; 并将熔融金属基体与陶瓷颗粒混合的混合熔融金属倒入模具中。 混合的熔融金属固化形成复合构件,混合熔融金属熔化接合层,以将复合构件和金属板接合以形成金属层,由此在具有金属层的一个表面上提供具有金属层的散热构件 复合构件。 利用形成有接合层的金属板可以降低模具的温度并提高散热构件的生产率。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Composite member, method for manufacturing the same, and semiconductor device
    • 复合构件,其制造方法和半导体器件
    • JP2013245373A
    • 2013-12-09
    • JP2012119304
    • 2012-05-25
    • Sumitomo Electric Ind Ltd住友電気工業株式会社Allied Material Corp株式会社アライドマテリアル
    • IWAYAMA ISAONISHIKAWA TAICHIROIKEDA TOSHIYAKOYAMA SHIGEKIOKAMOTO TADASHI
    • C22C29/06B22D19/00B22D19/14C04B41/88C22C1/10
    • PROBLEM TO BE SOLVED: To provide a composite member capable of constructing a heat-dissipation structure having excellent heat dissipation property, and to provide a method for manufacturing the composite member and a semiconductor device.SOLUTION: A composite member 1 includes a body part 10 constituted of a composite material containing ≥50 vol.% of SiC, with the remainder comprising magnesium or a magnesium alloy and inevitable impurities. In the body part 10, a flow passage 20 is formed to discharge a fluid supplied from the outside of the body part 10 to the outside of the body part 10 through the inside of the body part 10. The flow passage 20 is constituted of a tubular material made of, for example, metal or nonmetal, and is integrally provided in the composite material. In the composite member 1, the body part 10 is constituted of the Mg-SiC composite material having excellent heat dissipation property, and further, the body part 10 can be effectively cooled by flowing a fluid through the flow passage 20, and thereby, a cooling effect by the fluid is obtained. Accordingly, the composite member 1 can construct a heat-dissipation structure having excellent heat dissipation property.
    • 要解决的问题:提供一种能够构成散热性优异的散热结构的复合构件,提供一种复合构件和半导体装置的制造方法。复合构件1包括主体部10 由含有≥50体积%的SiC的复合材料构成,其余为镁或镁合金和不可避免的杂质。 在主体部10中形成有流路20,其通过主体部10的内部将从主体部10的外部供给的流体排出到主体部10的外部。流路20由 由例如金属或非金属制成的管状材料,并且整体地设置在复合材料中。 在复合构件1中,主体部10由具有优异的散热性的Mg-SiC复合材料构成,并且通过使流体流过流路20能够有效地冷却主体部10,由此, 获得流体的冷却效果。 因此,复合构件1可以构成散热特性优异的散热结构。