Advanced Micro Devices - Moderated (AMD) Message Board

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Technology Stocks : Advanced Micro Devices - Moderated (AMD)

AMD 252.09

-0.3%

Jan 29 3:59 PM EST

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To: Pravin Kamdar who wrote (64473)	11/28/2001 7:40:23 AM
From: Bill Jackson	Read Replies (1) of 275872

Pravin, I sort of see. I had thought of the field as the voltage gradient. make it thinner and you always have a larger gradient and thus can tolerate less voltage to keep the dv/ds within the insulation limits. A better insulator will allow a thinner layer before it punches through. Thinner is also more capacitance.higher K allows more charge storage, even at the same dv/ds so in that sense the field gradient does not change as you change the K. So you want lower K to get lower capacitance and the best insulation to keep punchthrough at bay as sizes get smaller?? That still comes through to me as thinner? Well, I never had those books, so I should know better than to challenge you on this with first principals. Bill

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