“Fake“ chips?

Deep dive into the very nerdy world of DIP IC counterfeiting, recycling and remarking with an emphasis on Yamaha ’YM’ series of chips. chipresearch episode 0x05 This video is for educational purposes only!! TL;DW : 1)Texture must be the same on bottom and top 2)Pins should be straight with no solder or flux traces. 3)Acetone should not alter the chip’s surface. 4)Datecode should be in the 80s or 90s (for most DIP YMxxxx chips) 5)Eject holes (really ejector pin marks - thanks) should be shiny for most ca