You are right ! I still keep quite a few bad/reclaim wafers(Si, Sapphire, III-V) from Russia, or USSR era... There was some business between Taiwan and Russia/USSR.. Russia people forged Intel and AMD, CPU and Memory technologies during Cold War era.....
@@cannygau4447 It obvious you are not in this field. Try to understand how many process tools & high quality chemical which TSMC used are came from Japan. Our company is also an 12inch foundry in Hsinchu, there is crowd of Japanese vendor served the Fabs.