Dispensible brazing paste
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United States of America Patent
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Jul 17, 2007
Grant Date -
Sep 29, 2005
app pub date -
Jun 28, 2005
filing date -
Jun 28, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dispensable brazing paste useful in lamp manufacturing includes a brazing powder and a water soluble vehicle that has water, glycerin, a binder, and a dispersant that includes ammonium stearate and ammonium citrate. Preferably, the brazing powder is 84-87 wt % of the paste, the water is 3-5 wt %, the glycerin is 3-4 wt %, the binder is 1-2 wt %, and the dispersant is 4-6 wt %, and a weight of the water is within a range of 60-90% of a weight of the dispersant. The brazing paste does not include the troublesome organic solvents of the prior art.
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