首页> 外文会议>American Society of Mechanical Engineers(ASME) Summer Heat Transfer Conference(HT2005) vol.2; 20050717-22; San Francisco,CA(UA) >A CHIP-SCALE COOLING SCHEME WITH INTEGRATED HEAT SINK AND THERMAL-FLUIDIC I/O INTERCONNECTS
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A CHIP-SCALE COOLING SCHEME WITH INTEGRATED HEAT SINK AND THERMAL-FLUIDIC I/O INTERCONNECTS

机译:带有集成散热片和热流体I / O互连的芯片级冷却方案

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摘要

We demonstrate a prototype chip-scale microfluidic cooling scheme. CMOS compatible processes allow the monolithic integration of the microchannel heat sink into the backside of a Si chip at low temperature (≤ 260℃). At the front side of a chip, fine pitch area-array solder bumps are fabricated by electroplating for high-density electrical I/O interconnection, while a peripheral array of micro polymer pipes are fabricated as thermal-fluidic I/O interconnects. The resulting "microfluidic flip chip" can be bonded onto a liquid-cooled board substrate using conventional flip-chip assembly processes. The cooling liquid can, therefore, be transferred into a Si chip directly from the board-level manifolds to alleviate the thermal interface issues.
机译:我们演示了原型芯片规模的微流控冷却方案。兼容CMOS的工艺允许在低温(≤260℃)下将微通道散热器单片集成到Si芯片的背面。在芯片的正面,通过电镀来制造用于高密度电I / O互连的细间距区域阵列焊料凸点,而将微聚合物管道的外围阵列制造为热流体I / O互连。可以使用常规的倒装芯片组装工艺将所得的“微流体倒装芯片”结合到液体冷却的基板上。因此,冷却液可以直接从板级歧管转移到Si芯片中,以减轻热界面问题。

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