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Conferences > CLEO_Europe > 1994 > CThI > CThI22

Effects of higher harmonic wavelengths of YAG laser on machinability of glass-epoxy composite material

Takehiro Watanabe, Yoshiyuki Takano, and Yoshitaro Yoshida

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Abstract

Higher integration of electronic circuits is rapidly progressing by laminating substrates and minimizing through-holes. Micro-drills are currently used to machine the through-holes. However, the drills are not efficient to machine the holes less than 0.3 mm in diameter. Therefore, adaptation of laser beams to small-hole drilling is paid attention.

© 1994 IEEE

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