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Politics : Formerly About Advanced Micro Devices
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To: Dan3 who wrote (72291)9/19/1999 1:17:00 AM
From: Cirruslvr  Read Replies (3) of 1572635
 
Dan - RE: "Very interesting set of posts from Chevyman1963 on Yahoo"

Thanks for that bunch of posts. PB thinks this guy is real, and I suppose he would know because they are (somewhat) in the same field.

Here is one from later today. Look at the bold part.

"The k6 did not have a fold in it. You apparently have no idea what a shrink is or how a chip is made. I worked on the k6 for 3 years and was involved in the transition from .33mu to .25mu which involves a shrink of the mask for litho. Once the designers were sure that nothing would conflict with the shrink it is sent to the design house that designs the templates for litho. The k6 was a new 6 layer metal etch process and the major problems in production were all tool related. AMD had several tool sets that failed to perform as designed and one set of tools that was contaminating an entire area. I personally ran a tool that caused the first 6months delay, as it was eating the contacts from between layers because the wrong chemical mixture was being used.( an engineer said it would not be a problem)
You cant fold anything in any chip, you make connections from lower layers to upper layers with contacts of tungsten or you do an LI etch. Now that all of the tool issues are resolved AMD has
no problem with yield. ( just a SURPLUS problem last quarter)
By the way k7 is a 7 layer metal chip with all LI connections and all the FOLDS have been removed."

".( an engineer said it would not be a problem)"

Shouldn't they have people who check data (/information or whatever it is), and people who re-check the data, and people who re-re-recheck the data?

Whoever's fault it was, it shouldn't have happened because that engineer, or group of engineers cost AMD about hundreds of millions of dollars and its shareholders at least 10X that much.

But I guess those guys don't care enough because they "allowed" AMD to have more problems in Q4 of '98, which again cost AMD hundreds of millions of dollars and its shareholders at least 10X that much.

I hope AMD doesn't have the same people running the Dresden ramp-up, or anything Athlon related.
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