Method of protective coating BGA solder alloy spheres
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United States of America Patent
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Jan 14, 2003
Grant Date -
N/A
app pub date -
May 31, 2000
filing date -
Jun 1, 1999
priority date (Note) -
Expired
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Abstract
A method of efficiently coating surfaces of solder alloy spheres by a vapor deposition process using a solvent-based coating solution including a low viscosity organic material and at least one solute, such as a surfactant. The method surface coats solder alloy spheres to minimize or eliminate physical and chemical damage to surfaces of spheres prior to use in surface mounting applications.
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