What's the next step change in chip packaging technology? @bubbleboi: "The main difference between EMIB and CoWoS is CoWoS relies on what we call silicon interposers. They're like these huge plates where you put the chips on, and you start etching channels in between through the interposers." "An effect of that is that heat dumps into the interposers, just like anyone knows when they heat up popcorn, things expand and contract, and this creates worse yield." "NVIDIA's already seen this. Part…