Small Fans for Cooling Small Electronic Devices Masaharu Miyahara, Sunonwealth Electronic Machine Industry Co., Ltd. The growing portable device market boosts the development of small electric devices, such as Ultra Mobile PC, Pico projector, Smart Phone, etc. One laptop cooling solution is the fan-less cooling technology that transports the CPU heat by using a heat pipe. … [Read more...]
When Moore Is Less: Exploring the 3rd Dimension in IC Packaging
Introduction As consumers of electronics we have become spoiled. We not only expect our electronic devices to get smaller, faster, more functional, cheaper, more interconnected, and more reliable, we actually demand it. It would not be a pretty picture either for the consumer or the electronics industry if suddenly the design of our electronic gadgets became static. At this … [Read more...]
The Audacity of Engineering
At the time of this writing (mid-November), it appears that significant progress has been made toward avoiding a global financial collapse and that we now have a good chance of avoiding that fate. Unfortunately, it is now clear that, no matter how the credit markets fare, there will be a recession. Even after the world economy picks up again, the world will certainly face an … [Read more...]
Mini- and Microchannels in Thermal Interfaces: Spatial, Temporal, Material, and Practical Significance
Introduction The role of thermal interface materials (TIM) to augment heat flow in electronics has been well-documented [1-4]: Higher thermal conductivity (k) and thinner bondlines proportionally reduce the interface thermal resistance (RTH). Today's high-performance TIMs contain micro- and nanometer-sized particles to increase the effective TIM thermal conductivity (keff,TIM) … [Read more...]
Cooling Electronics with Nanofluids: Laminar Convective Heat Transfer
Introduction Numerous reports over the past ten years or so have described the potential for nanofluids (suspensions of nanoparticles in liquids) to be applied as heat transfer fluids, because of the enhanced thermal conductivity and convective heat transfer characteristics that have generally been observed. A number of review articles have been published on nanofluids [1 � 8], … [Read more...]
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