4" Silicon wafer - Advanced Micro Devices (AMD). Mid 1980's device. Vintage. for Sale

4" Silicon wafer - Advanced Micro Devices (AMD). Mid 1980's device. Vintage. For Sale

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4" Silicon wafer - Advanced Micro Devices (AMD). Mid 1980's device. Vintage.:
$40.00

For Sale is one 4 inch Silicon wafer that was manufactured by Advanced Micro Devices (AMD) in the mid 1980's.
VERY RARE. This wafer has gone through the "SORT" process When the wafer is "sorted', a machine tests every individual device on the wafer and places an ink mark on the defective devices. The un-inked devices are then assembled and go thru a final test before sale.
Very Rare to find a 4 inch wafer from Advanced Micro Devices !! Own a piece of Silicon Valley history !
NOTE: 100% guarantee it is an old AMD wafer: Proof of AMD lies in the 3rd photo. If you know the corporate logo, you can see it in the center of the magnified die photo. You really need a high powered microscope to see this more clearly and also be able to make out the actual device number as well.

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4" Silicon wafer - Advanced Micro Devices (AMD). Mid 1980's device. Vintage. For Sale

4" Silicon wafer - Advanced Micro Devices (AMD). Mid 1980's device. Vintage.: $40.00

4" Silicon wafer - Advanced Micro Devices (AMD). Mid 1980's device. Vintage.:
$40.00