Colored Glass Frits And Related Methods For Laser Marking Applications
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United States of America Patent
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Issued Date -
Jul 21, 2022
app pub date -
May 22, 2020
filing date -
Jun 5, 2019
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Abstract
A marking composition for forming marks or indicia on a substrate is provided for laser marking applications. The composition includes a glass frit, a carrier, and absorber particles. The glass frit includes alkali metal oxides, glass forming oxides, and one or more transition metal oxides. The glass frit is devoid of at least one of bismuth and zinc.
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