发明授权
US5562840A Substrate reclaim method 失效
基材回收方法

Substrate reclaim method
摘要:
There is disclosed a substrate reclaim method comprising directing laser energy at a coating covering a part of an outer surface of a substrate, wherein the outer surface has a shiny finish, thereby removing with the laser energy all of the coating on the outer surface and etching with the laser energy a portion of the outer surface to change the etched outer surface portion from a shiny finish to a matte finish.
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