Effect of Laminating Press’s Opening-Stacking Position on Adhesive Thickness in Coverlay/Adhesive/Flexible-Printed-Circuit Sheet

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Kok Tee Lau
Hoi Ern Kok
Hairul Effendy Bin Ab Maulod
Nurizzatul Zahirah Binti Abdul Latiff
Aida Nazifa Binti Abdul Aziz
Nur Hazirah Binti Rosli

Abstract

This study is to investigate the dependence of coverlay’s adhesive thickness on the laminating press’s opening-stacking position. Coverlays using acrylic- and epoxy-based adhesives were laminated onto similar size copper clad laminate (CCL) at 140 bars and 195°C for 150 min. Adhesive thickness measurements show opening-stacking positions near to the bottom of laminating press machine produced more consistent adhesive thickness as compared to the top positions.

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