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Clear Epoxy 8-DIP Inside ‘Mouse Systems’ 3-Button Mouse Model M4 HI Circa 1987

KuzyaTech acquired this ~30-year-young ‘pc mouse’ from Mouse Systems Corp. and upon opening the masking tape-sealed retro box:

And after looking through some of the included materials and examining the mouse’s design, the body was opened up to reveal the main pcb:

As soon as I saw that my eyes migrated to the couple clear epoxy 8-DIP ICs on the left side of the image! “I hope he took close-up shots!” Of course he did! 🙂

There are a lot more teardown photos, but I love this shot, as it shows the bonding wire between the IC and the package legs. Awesome!

Read more.


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