Breaking the epoxy bond under SMD ?
N_Cook wrote:
Belt and braces , to take the mechanical strain off the solder? To scrape
back the epoxy to a clean board , the action of a soldering iron tip on it,
was like the normal reaction of solder-iron heat to epoxy, goes powdery .
Perhaps its bright red as a warning.
That sounds like the standard thermoset glue used in PCB assembly.
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