Method for Marking Single Pane Security
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United States of America Patent
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Issued Date -
Dec 4, 2008
app pub date -
Dec 1, 2006
filing date -
Dec 2, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method for marking single pane security glass, produced from single pane glass by a heat treatment said single pane glass (1) being provided with at least one metal-particle- or metal-ion-containing marking, generated by laser irradiation (3) of a metal ion donor material (2) arranged on the single pane glass, said single pane glass (1) being subjected to a heat treatment to form single pane security glass (1) wherein at least one marking is altered by the heat treatment and it may be checked whether a change to at least one marking has occurred and thus the heat treatment may be verified.
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