Introduction The cooling of electronic parts has become a major challenge in recent times due to the advancements in the design of faster and smaller components. As a result, different cooling technologies have been developed to efficiently remove the heat from these components [1, 2]. The use of a liquid coolant has become attractive due to the higher heat transfer coefficient … [Read more...]
Indirect Thermosyphons For Cooling Electronic Devices
Nomenclature Variables R Thermal Resistance [°C/W] or [°C-mm2/W] Q Power [W] Q" Heat Flux [W/cm2] T Temperature [°C] or [K] h Heat Transfer Coefficient [W/cm2-K] Subscripts sat saturation tc thermocouple s sink or boiler w wall j junction layer of die a ambient f fluid or saturation c chip surface boil associated with … [Read more...]
Integrated Circuit Package Types And Thermal Characteristics
Introduction Integrated circuits range in power consumption from mW (or maybe microwatts) to hundreds of Watts with the number of electrical connections to the next level packaging ranging from eight to over 1,000. With such a broad range of interesting packaging to consider, it is no wonder that any simple generalizations will always find exceptions. This review article will … [Read more...]
Thermal Conductivity of III-V Semiconductors
Silicon dominates the electronics industry as the semiconductor of choice for most applications, but some electrical functions require electronic properties different from those of silicon. A grouping of semiconductors termed "III-V" have desirable electrical properties for applications such as microwave integrated circuits, light emitting diodes and laser diodes. Some of the … [Read more...]
Thermal Resistance Comparison Of Graphite Foam, Aluminum, And Copper Heat Sinks
Introduction With thermal solutions becoming more challenging, there is a push for novel cooling ideas or materials to further mitigate thermal issues facing today's electronics. In these design situations, the proven method of analytical calculations, modeling, and laboratory testing is sometimes bypassed in the search for a quick "cure-all" solution. Evolutionary progress is … [Read more...]
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