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| How to remedy about solder mask ink rework and a series of problems which appears in pcb solder mask ink in PCB factory shipment? |
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If there are no exposed metal, basically do not repair,
but the appearance of it does not look good. If indeed broken and want to repair, exposed metal surfaces should be cleaned and then use the flux modulation parameters hardener to repair by brush.
and then put it into the oven baking, the process has been finished after the completion of hardening. in theory, If the green solder mask peeling after doing a modest patch after wavesoldering,
its surface will stick solder paste, the proper repair need to be made after clean it up.
the function should be no problem, but whether the customer accepts it must communicate, no repair pen can recommend.
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