Conductive paste, article produced therewith with a conductive coating on glass, ceramic or enameled steel and method for the production thereof
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United States of America Patent
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Issued Date -
Aug 12, 2004
app pub date -
Apr 6, 2004
filing date -
Apr 4, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a conductive paste containing a glass frit, a paste-forming medium, conductive particles made of silver and particles containing non-precious metal, in order to produce a conductive coating on glass, ceramics or enameled steel, a method for producing said coating and articles coated therewith. According to the invention, the conductive particles containing non-precious metal correspond to up to 80 wt. % of all conductive particles, and are essentially made up of iron, cobalt, nickel, copper, zinc or an alloy containing at least one of these elements, especially nickel, and have an average particle size d.sub.50 ranging from 0.1-15 .mu.m and a specific surface ranging from 0.5-10 m.sup.2/g. The glass frits begin to soften at 350.degree. C.-600.degree. C. and have a hemisphere temperature of 450.degree. C.-700.degree. C.
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