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Politics : Formerly About Advanced Micro Devices

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To: Bill Jackson who wrote (78066)	11/1/1999 1:22:00 AM
From: Yousef	Read Replies (1) of 1576961

Bill, Re: "Paul, Do not the new cassettes that hold the wafers allow for piecemeal upgrades? An 8" component can have a 300MM replacement installed ..." No Bill, its a much bigger job than just the wafer handling. Equipment chambers (etch, deposition, and RTA) are sized for 8" as will be the quartz tubes for all the furnaces. The wafer chucks on the resist spinners and wafer stages on the scanners will all need to be upgraded. Many on these upgrades require a larger chassis and thus a larger equipment footprint. Moving from 200mm (8") to 300mm (12") is a very "big deal" and will cost a lot of money. Make It So, Yousef

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