This Wafer comes from a very large collection I had purchased from an Estate of an Old Engineer.
This includes these Xerox Wafers:
https://www.ebay.com/itm/267363584023
https://www.ebay.com/itm/266805407506
https://www.ebay.com/itm/266507436039
https://www.ebay.com/itm/267363585604
https://www.ebay.com/itm/267388214446
https://www.ebay.com/itm/267388217468
https://www.ebay.com/itm/267388228587
Possibly Xerox:
https://www.ebay.com/itm/267388306457
As well as these Intersil Wafers:
https://www.ebay.com/itm/267383754931
https://www.ebay.com/itm/267388309539
and these unknown Wafers:
https://www.ebay.com/itm/267385654979
https://www.ebay.com/itm/267385656000
https://www.ebay.com/itm/267385656949
https://www.ebay.com/itm/267385657870
https://www.ebay.com/itm/267385658552
https://www.ebay.com/itm/267385671036
https://www.ebay.com/itm/267388195671
https://www.ebay.com/itm/267388199138
https://www.ebay.com/itm/267388204811
https://www.ebay.com/itm/267388211826
https://www.ebay.com/itm/267388278517
https://www.ebay.com/itm/267388284815
these iMP Group Wafers:
https://www.ebay.com/itm/267385664942
https://www.ebay.com/itm/267385668661
https://www.ebay.com/itm/267388194612
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If you have any questions, or would like additional pictures, please do not hesitate to ask.
I will be listing many unique, rare, one-of-a-kind, vintage CPU, Computer Chips, Silicon Wafers, and other parts in the following weeks, so if there is any interest or inquiry into something I might have, please don't hesitate to ask!
Thank you for your time with viewing my listing, I appreciate it. I hope you have a great day!