Marking heat-treated substrates

Details Marking heat-treated substrates Marking heat-treated substrates

2003-06-25

2009-11-10

Parker, Frederick J (Department: 1792)

Coating processes

Nonuniform coating

Metal, glass, or ceramic base

C427S271000, C427S282000

Reexamination Certificate

active

07615253

ABSTRACT:
A method for visual marking of heat-treated substrates, in particular tempered glass panes. The method modifies a marking layer deposited on a surface of the substrate, that visually indicates that the heat treatment has been carried out, and produces a rough marking field on the surface of the substrate that the marking layer deposited on the substrate exhibits intimate adhesive bonding thereto, which marking layer cannot be completely removed using a mechanical mechanism.

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