Patent · US Expired

Substrate reclaim method

US5562840A · kind A · utility

14Cited by
11References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1995
Grant dateOct 8, 1996
Priority date
Expiry dateJan 23, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/102
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.