How to prevent COB pad free from contamination

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Hi, During SMT process, i found that solder splash on th... - Mar 17, 2008 by erictan

Common methods use to protect pads from solder splatter are:... - Mar 20, 2008 by davef

erictan

#54061

How to prevent COB pad free from contamination | 17 March, 2008

Hi,

During SMT process, i found that solder splash on the gold pad. The distance between the COB pad with component pad is about 1.25mm. My question is what material can used to cover the COB pad without bringing contamination. And i am welcome to hear other suggestion.

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davef

#54115

How to prevent COB pad free from contamination | 20 March, 2008

Common methods use to protect pads from solder splatter are: * No residue Kapton tape * Nonionic solder mask

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