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Disposal of Bad Parts and Bare Die

 
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Posted: Sun Jan 16, 2026 11:27 pm    Post subject: Disposal of Bad Parts and Bare Die
 
Hi all, we got this inquiry from the email and decided to post it here so more people can respond to BKT's question.

Thanks!
Admin


Quote:
Hi,

Will Semiconfareast share the process of disposal/destroy of bad parts(finished product) & bare die (loose dice or wafer form)?

BKT
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justcrushem
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Posted: Mon Jan 17, 2026 10:41 pm    Post subject:
 
in the company where i worked before, we have a crusher that crushed everything into small pieces. then we sell the broken pieces to a buyer of scrap matl. i dont know where he takes them. the crusher area must be under tight security so bad parts can not get out.

justcrushem Cool
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BKT
Guest





Posted: Tue Jan 18, 2026 4:30 pm    Post subject: bad part disposal method
 
crushing the IC pkg is possible.

How about the remnant die (residue) on membrane? There is a potential of fly-off escapee during the crush process.

Did anyone use heat or chemical to damage the die metallization (or even go beyond to melt/desolve the Si or GaAs substrate)?
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