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Historic 1970s-1980s silicon wafers - Qty of five, 4" wafers includes one DSP For Sale


Historic 1970s-1980s silicon wafers - Qty of five, 4" wafers includes one DSP :
$37.5

The five wafers shown are the same wafers you will receive. These are all American made wafers and the set includes one early 1980s Digital Signal Processor. It can be seen at the top of each photo. Circuit patterns on wafers of this age are large enough to be viewed well with a 50x or better magnification. As you can see the colors of the microscopic films and circuits vary dramatically with lighting and viewing angle. These photos were made in ordinary white room lighting and are not color enhanced.

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