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the mouse buttons were heavily used, so i replaced them. good thing i have the exact tact switches they used! closeup of the tact switch snap dome. the dark areas are probably non-conductive metal oxides created by fretting. fretting corrosion happens when oxide layers build up between metals that "fret" or move by microscopic amounts. @tubetime that looks very like the contacts on my Apple MacBook Pro with the notorious butterfly keyboard. Interesting….. |
@tubetime siempre lo quise