✧✦Catherine✦✧today I learned that we (as a civilization) now can put 16 silicon flash dice into a single 700µm microSD card on a commercial scale https://www.ose.com.tw/en/ic-services/memory-product-package/microsdsd
R@whitequark afaik this process also involves very carefully grinding the back side of silicon wafers (the side which doesn't have the transistors) in order to make all the dies as thin as possible