Electronics > Beginners

Easy way to read chip IDs

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wraper:

--- Quote from: I wanted a rude username on January 09, 2020, 12:46:28 am ---The problem is that the flux and/or brushing with alcohol removes the white paint from within the laser engravings.

--- End quote ---
What paint, LOL  :-//? Laser marking = no paint.

I wanted a rude username:
Wait, really? I didn't know that. So the lighter colour within the engravings is due to a change in surface texture or chemical composition caused by ablation or localised heating? And the flux and/or brushing with alcohol removes that surface effect.

We should remember that there are different reasons why an IC's marking may be hard to read. Alcohol may help if it's downright dirty, but that's unlikely for chips straight from the tape/tray ...

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