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Die shots of all integrated circuits of an Hp41c
03-25-2018, 02:59 AM
Post: #30
RE: Die shots of all integrated circuits of an Hp41c
(03-24-2018 03:46 AM)Chris Dreher Wrote:  Cool shots! What technique did you use to decap the chips? I am considering a decap project for some non-calculator parts.

Chris, I burn the chip with a torch and remove the ashes carefully until the die is exposed, I then clean the die with Isopropanol and then I rub the die over a hard cardboard with some drops of Brasso metal cleaner and that's all. I hope you find this information useful.

Pablo Walls
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No photos visible in Firefox - cruff - 03-22-2018, 12:03 AM
RE: Die shots of all integrated circuits of an Hp41c - pablowalls - 03-25-2018 02:59 AM



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