Ceramic color composition and method for bending flat glass
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United States of America Patent
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Jun 14, 2005
Grant Date -
Jun 26, 2003
app pub date -
Dec 14, 2000
filing date -
Jun 29, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a ceramic color composition which comprises, as a solid powder, 50 to 90 wt. % of a mixture containing 5 to 95 parts by weight of a first lead-free glass powder comprising at least SiO2, ZnO, and B2O3 as glass components, and 5 to 95 parts by weight of a second lead-free glass powder comprising at least SiO2, Bi2O3, and B2O3 as glass components, 10 to 40 wt. % of an inorganic pigment, and 0 to 10 wt. % of an inorganic filler. The composition is free of lead and exhibits an excellent mold release property during the heat-molding process of a glass plate having the composition printed thereon. After firing, the composition is excellent in acid resistance, coloration in the bus bar portion, and plating resistance.
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