天气太热时,唱片会弯翘。
应变测量基础——介绍应变,应力,印制板弯翘的概念以及应变片等。
Fundamentals of strain Measurement -definition of strain, stress, board flexure and strain gages.
为了将收缩弯翘控制在可以接受的程度,均衡的冷却设计变得非常重要。
An even cooling design becomes very important to control the shrinkage and warpage at an acceptable level.
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