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首页> 外文会议>Electro/94 International. Conference Proceedings. Combined Volumes. >High power thick film circuitry on PECOS (porcelain enamel coating on steel) substrates
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High power thick film circuitry on PECOS (porcelain enamel coating on steel) substrates

机译：在PECOS（钢上的瓷釉涂层）基底上的高功率厚膜电路

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摘要

The need for high power density microcircuits has increased interest in the thermal and electrical characteristics of Porcelain Enamel Coatings on Steel (PECOS) for use as a substrate material. This high temperature substrate has been found to be compatible with most thick film inks which are presently available. The electrical and thermal characteristics are presented for a very compact line of low inductance sheet power resistors fabricated on the PECOS substrate and compared to similar power resistors fabricated on conventional alumina substrates. A two-dimensional finite volume heat transfer model has been developed for steady state power dissipation including convection and radiant energy transfer mechanisms. Computer analysis from the heat transfer model and predicted temperatures are compared to temperatures measured utilizing an infrared imaging system.
机译：对高功率密度微电路的需求引起了人们对用作基底材料的钢瓷搪瓷涂层（PECOS）的热和电特性的关注。已经发现该高温基材与目前可获得的大多数厚膜油墨相容。给出了在PECOS基板上制造的非常紧凑的低电感片状功率电阻器的电气和热特性，并与在常规氧化铝基板上制造的类似功率电阻器进行了比较。已经开发出二维有限体积的热传递模型，用于稳态功耗，包括对流和辐射能传递机制。将传热模型和预测温度的计算机分析结果与使用红外成像系统测得的温度进行比较。

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