6 ms·I can go earlier: I was designing them in the 90s.by ethernot 2y agoI can go earlier: I was designing them in the 90s.phkahler 2y agoChip on board has been around since the 1970s or 80s in some consumer stuff. Putting them on a PCB isn't the same and they were wire bonded, but still the idea of connecting directly to the die was there.nyeah 2y agoReliability seems to have improved a lot but yeah.