Title :
Novel laser process for removing polymeric film by solid-state lasers
Author :
Wakabayashi, N. ; Ide, T. ; Aoki, Y. ; Hayashi, K.
Author_Institution :
Sumitomo Heavy Ind. Ltd., Tokyo, Japan
Abstract :
In this paper, we demonstrate removal of a polymeric layer from a multilayered print board by an IR laser at a wavelength of 1047 nm, at which the polymeric layer is transparent. The polymeric layer was removed completely with a single IR shot.
Keywords :
laser ablation; polymer films; printed circuit manufacture; scanning electron microscopy; solid lasers; 1047 nm; IR laser; laser process; multilayered print board; polymeric film laser removal; single IR shot; solid-state lasers; transparent polymeric layer; Copper; Drilling; Etching; Laser ablation; Optical microscopy; Optical pulses; Polymer films; Scanning electron microscopy; Solid lasers; Space vector pulse width modulation;
Conference_Titel :
Lasers and Electro-Optics, 2001. CLEO/Pacific Rim 2001. The 4th Pacific Rim Conference on
Conference_Location :
Chiba, Japan
Print_ISBN :
0-7803-6738-3
DOI :
10.1109/CLEOPR.2001.970946
