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Re: Chemical solution to WASH OFF markings on the IC's surfa
In the modern IC'S teh marking is Laser made, i.e. the surface is digged ( evaporated ) by the power of the laser.
In this case only the file or the grinding machine can help you.
Methyl ethyl ketone will unpot a potted circuit without damage to electronic components. It may also remove markings. Being very strong it must be treated very cautiously or your children may have tails.
Well, not really tails, but I'd try the other suggestions first.
Re: Chemical solution to WASH OFF markings on the IC's surfa
I had tried some thinners but the fact that inks used by manufacturers are not the same, so I was not successful every time. Plus their smell is terrible and harmful.
So, my most successful solution for every IC is fine water abrasive papers. File is not easy to use. Grinding machine may be the best but you should have the special jigs for clamping ICs and sinking heat from them.
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