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To: Elmer Phud who wrote (178407)6/27/2004 3:19:04 PM
From: Ali Chen  Read Replies (1) | Respond to of 186894
 
"In simple terms this is a failure to properly etch away the passivation layer on the die pads. It can easily be fixed at fab and screened at test. It's embarrassing for Intel but quite a minor event."

In simple terms, I would strongly recommend for you to
restrain yourself from making stupid remarks with such
assurance. If you don't etch away the passivation layer
on pads, the pads would not bond to chip carrier, and the
device will fail immediately on any good tester. Since
all chips are tested, and you should know this,
the problem is much more subtle,
and the "explanation" of poor etch can be anything in
any of the numerous etching steps.

- Ali