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微热板阵列的热干扰

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Indexed by:期刊论文

Date of Publication:2008-08-15

Journal:半导体学报

Included Journals:EI、CSCD、Scopus

Volume:29

Issue:8

Page Number:1581-1584

ISSN No.:0253-4177

Key Words:微热板阵列;热干扰;热路模型;封装

Abstract:针对微热板阵列建立了热路模型,并对热干扰进行分析.结果表明,由于微热板悬窄结构的热阻比硅芯片的热阻高3个数量级.因此微热板阵列芯片的热干扰温度取决于封装对环境的热阻,而芯片上器件的间距对热干扰温度的影响可以忽略.研制了3种布局、T05和DIPl6两种封装形式的微热板阵列,并对阵列中的热干扰问题进行了实验测试.测试数据验证了热路模型的结论.因此,减小微热板阵列或集成芯片的热干扰的关键在于,尽可能增大微热板悬空结构的热阻以及选用热阻小的封装形式.

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