LASER PROCESSING APPARATUS, LASER PROCESSING METHOD, MANUFACTURING METHOD OF WIRING SUBSTRATE, MANUFACTURING METHOD OF DISPLAY APPARATUS AND WIRING SUBSTRATE

摘要

PROBLEM TO BE SOLVED: To provide a simplified and reliable laser processing method in which both improvement of a manufacture yield and reduction of manufacture throughput are obtained.

SOLUTION: The laser processing method includes: the steps of selecting a wavelength of laser light based on a reflectance of a multilayer film formed of two or more layers with different materials of a processing object 3; and irradiating the processing object 3 with the laser light to perform laser processing.

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