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Technology Stocks : Cymer (CYMI)

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To: Irfan Rashid who wrote (2530)	9/22/1997 1:02:00 PM
From: Tulvio Durand	of 25960

Relative conductivity of Copper is 90 (hard-drawn) to 100 (annealed) and aluminum's is 59 for pure aluminum to 30-50 for various aluminum alloys. Copper thus has about a 2:1 speed advantage over aluminum. Cymer's 0.18u transistor-to-transistor spacing capability offers approximately a 2:1 speed advantage over the currently producible 0.35u spaced transistors. Assuming there is no increased cost for using copper in the place of aluminum IBM could thus produce their 2X-faster ICs using cheap Mercury lightsource whereas Nikon et al require expensive Cymer lasers in order to produce competing 2X-fast ICs. IBM chips would be cheaper aas result. Copper costs more than aluminum, and the process that IBM has come up with that allows copper to be used in the place of aluminum probably comes at a price too. This cost information is needed in order to form a comparison. The combination of IBM's Copper process and Cymer's DUV laser can, seemingly, produce 4X faster chips and would be the direction that industry would take sooner or later. IBM might well buy Cymer lasers and produce the 4X-faster chips. Tulvio

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