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Keywords: Micro-drills wear
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Journal Articles
Journal Articles
Circuit World (2014) 40 (2): 61–70.
Published: 29 April 2014
... hole space, thinner sheet and more complicated materials are drilled in process. Moreover, the base material of IC substrate is different from traditional PCB, more kinds of fillers added in IC substrate which make the drill worn seriously during drilling process. Micro-drills wear and micro holes...

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