实验结果表明,这种改进的倒装焊技术可以使HEMT 器件的饱和漏极电流提高10%。
Thedrain saturation current is increased 10% after bonding. To disperse heat of GaNHEMT, this flip chip bonding method seems to be simple and effective.
介绍了芯片倒装焊的重要意义、发展趋势、基本的焊球类型、制作方法及焊球质量的检测技术。
This paper introduces the forward trends of flip chip bonding, the essential kinds of bumps, fabrication technology and testing technology about qualities.
对各种正装和倒装焊功率型LED芯片的表面温度分布进行了直接测试,对其散热性能进行了分析。
The temperature distribution of power LEDs is measured, and the performance of thermal dispersion is discussed.
基于最小能量原理建立了多芯片组件(MCM)倒装焊焊点成形预测模型,对其三维焊点形态进行了有效预测。
Based on minimal energy principle, Evolving model of flip-chip 3-d shape prediction of MCM is established, and 3-d solder shape is effectively predicted.
文章通过试验证明:纯锡焊料凸块和含钴底部凸块金属焊层结合可延长无铅焊接倒装片的寿命。
In the article experiment prove:combination with feine tin-solder-bumps and underbump-metalliza with cobalt be able to longthen life of leadless flip-chip-solderng.
设计了一种立式储罐倒装施工用自动跟踪式横焊缝自动焊装置。
A kind of automatic welding equipment with the tracking system for horizontal welding line in inverted construction of vertical storage tank is developed.
纯锡焊料凸块和含钴底部凸块金属焊层结合可延长无铅焊接倒装片的寿命。
The cost of wire bonding chips and solder bumped flip chips on boards or on organic substrates is stated.
纯锡焊料凸块和含钴底部凸块金属焊层结合可延长无铅焊接倒装片的寿命。
The cost of wire bonding chips and solder bumped flip chips on boards or on organic substrates is stated.
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