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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: kash johal who wrote (58331)	5/17/1999 12:26:00 AM
From: Paul Engel	Respond to of 1574122

Kash - Re: "BTW does Intel not perform 100% burn-in to weed out infant mortality??" Do you know how many Burn-In ovens, boards, sockets, operators, etc. it would take to do 100% burn-in on over 25 million CPUs/quarter? That's about 2 million/week ! Intel performs extensive process qualifications during the early development of new processes - and continuing through the early stages of production - using test structures and first article devices. These are focused on lifetests (high temperature & voltage operating conditions) and Intels' targets are to achieve FIT rates of less than about 10 at 70 C (one FIT = one Failure -In-Time, where "TIME" is 10^9 hours at an extrapolated 70 C. The lifetests themselves are generally run at 125 C or higher. Production on the new process is not permitted until these FIT rates are achieved. These lifetests are then performed on a MONITOR basis constantly, on sample lots, from each FAB during the lifetime of that process to insure longterm conformance to these reliability standards. Paul