Electronics Forum: tumbstone (2)

Evaluating SMD Adhesives

Electronics Forum | Tue Nov 27 10:56:42 EST 2001 | jmathis

Hello, Our company has been successfully using Loctite 3612 for screen printing glue. Resently there has been a HUGE issue with the melf components falling off or tumbstoning during the wave process. It's apparent that these components were cured

Evaluating SMD Adhesives

Electronics Forum | Tue Nov 27 19:50:23 EST 2001 | davef

So, which is it �falling off or tumbstoning�? Each has different causes. You say �It's apparent that these components were cured and in place prior to wave solder.� * Cure heat cycle maybe. But is the glue holding? I mean if your cure is real good


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