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!