The mask pointed to archaeologists to clues of the interred's status. They were able to date the burial to A.D. 350 using carbon dating from bone fragments and copal incense resin.

Different from Chip on Wafer stacking technology, Wafer on Wafer (WoW) stacking can provide a tighter pitch and higher interconnect density with higher through-put. The difficulty for WoW stacking is ...