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akh523

New member
Joined
Nov 18, 2024
Messages
2
Location
Maine
Hello-I have many what I thought were called semiconductors but who knows-they look like a rupee coin, silver ring with yellow center, about 11/2”. My dad is a very retired 95 year ild electrical engineer that worked with and designed these. Several years ago he demonstrated the extraction of a thin wafer of gold from each of these but for the life of me I can’t find any info anywhere. Any guidance is appreciated.
 
Welcome to the forum.

Not that I could help you even if there was a photo (e-scrap typically isn't my thing) but without a photo I doubt anyone can help you. We are good but we are not magicians!
Fair enough!
 

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