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Ted Mooney, P.E. RET
Pine Beach, NJ

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Adhesion testing in PCB manufacture

I am a PCB Process Engineer looking for a practical specification for an adhesive tape that can be used to test adhesion of metallic plated coatings i.e. Electroless Copper, ENIG, Immersion silver. We are currently 'tape testing' - to check for good adhesion and are finding our standard tape is leaving the adhesive from the tape on the PCB. Can anyone advise on the specification or source of a suitable tape, including tensile strength, peel adhesion properties.

Thanks,

David Watson
Chemical Process Engineer - South shields, Tyne and Wear, England
2004

I've always used standard Scotch tape, but the area tested was ALWAYS cleaned with a solvent ( isopropyl alcohol ⇦ this on eBay or Amazon [affil links] or MEK / methyl ethyl ketone ) after testing.

James Totter, CEF
- Tallahassee, Florida
2004

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