Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 249.70

+0.7%

2:51 PM EST

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To: tcmay who wrote (76609)	4/7/2002 12:11:52 AM
From: Bill Jackson	Read Replies (2) of 275872

Tim, I am not an expert in this area, so I respect your input as being more valid than my own. However, my information comes from an EE who seems to know what he talks about. I was told that one of the life limits in the operating temperature of semiconductors was the junction temperature. Most items in the past were rated at a temp that puts their lifetime at 1,000,000 hours or more. However as features get smaller, but atoms do not, you eventually reach a point where the temperature at the junction needs to be limited to prevent junction degradation by thermally accelerated diffusion of point dopants away from their area of influence and this leads to a transistor that deviates from what it should be...like it's buddies. Now I am sure that modern CPUs can run for a while, but I see that the temperatures that Intel places as limits have dropped quite a bit. Is Intel running into some such ceiling.. Bill

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