H - Electricity – 05 – K
Patent
H - Electricity
05
K
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H05K 3/00 (2006.01) B23K 35/22 (2006.01) C09D 5/00 (2006.01) C09D 157/00 (2006.01) H05K 3/34 (2006.01)
Patent
CA 1219961
ABSTRACT The invention relates to a composition for a peelable solder mask. The composition comprises a mixture of a vinylic resin, a microcrystalline wax, and a solvent. Applied as a film coating, the composition is used to provide a temporary mask to selected areas of an electric circuit prior to exposure to a solder flux. The solder mask is readily peelable.
477864
Martin Frank W.
St. John Frank
Electro Materials Corp. Of America
Gowling Lafleur Henderson Llp
LandOfFree
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