So I'm taking apart some power boards. This is leftover from the 1987 hard drives I scrapped last fall. There is one of these on each one. The back plate is chunky and made of solid copper, close to 1/8" thick. So I decided to smash one open. Looking for recommendations and just any helpful info on these.
I'm not sure that I can get anything else to let go of the copper backing. Any idea what the other metals might be?
Thanks!!
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