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    • 2. 发明授权
    • Liquid cooling device for a high-power semiconductor module
    • 用于大功率半导体模块的液体冷却装置
    • US5978220A
    • 1999-11-02
    • US955094
    • 1997-10-21
    • Toni FreyAlexander StuckRaymond Zehringer
    • Toni FreyAlexander StuckRaymond Zehringer
    • H01L23/373H01L23/473H05K7/20
    • H01L23/473H01L2924/0002
    • In a liquid cooling device (1) for a high-power semiconductor module (14), which contains a plurality of heat-generating submodules (8a-h) arranged next to one another on a cooling surface (3) and is fusion-bonded to the cooling surface (3), an improved load cycle resistance is achieved by the liquid cooling device (1) having a housing (2) which encloses a liquid space (4), through which a cooling liquid flows, and the upper side of which forms the cooling surface (3), and by the housing (2) of the liquid cooling device (1), at least in the region of the cooling surface (3), consisting of a metal-ceramic composite material, the coefficient of thermal expansion of which is adapted to the coefficient of thermal expansion of the ceramic substrates or of the power semiconductor devices of the submodules (8a-h) and, by additional means (11a-h; 12) for improving the heat transfer between the cooling surface (3) and the cooling liquid being provided in the liquid space (4) of the liquid cooling device (1).
    • 在用于大功率半导体模块(14)的液体冷却装置(1)中,其包含在冷却表面(3)上彼此相邻布置的多个发热子模块(8a-h),并且熔融粘合 通过具有包围液体空间(4)的壳体(2)的液体冷却装置(1)到达冷却表面(3),通过冷却液流过的液体冷却装置(1)和 至少在由金属 - 陶瓷复合材料构成的冷却表面(3)的区域中形成冷却表面(3)和液体冷却装置(1)的壳体(2),系数 其热膨胀适应陶瓷衬底或子模块(8a-h)的功率半导体器件的热膨胀系数,并且通过附加装置(11a-h; 12)来改善冷却 表面(3)和冷却液体设置在液体冷却液的液体空间(4)中 ng设备(1)。