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Technology Stocks : Cymer (CYMI) -- Ignore unavailable to you. Want to Upgrade?

To: BillyG who wrote (24647)	4/7/2000 4:21:00 PM
From: Zeev Hed	Read Replies (1) \| Respond to of 25960

I would have thought that CW would present a greater problem of "thermal runaway" in the optics than pulsed. I am not sure I understood his "drift" in that respect. In any event, CYMI acted extremely well today, finally it is moving with the market in the right direction. We are just under that $58 to $60 area of supply here, but I think that the momentum is large enough to get it out. Zeev

To: BillyG who wrote (24647)	4/7/2000 4:36:00 PM
From: jghutchison	Read Replies (1) \| Respond to of 25960

Boy you got me on that one. My impression was that a pulsed laser was preferable to CW for semi lithography. As to the lens design, I think they will still use calcium floride, since the refractive index is acceptable and it is almost transparent to the deep UV wavelengths. I believe I read a release recently where Cymer has doubled the pulse rate and reduced the dose 50% to help alleviate the heating problem of the lens. The boys at Hoya and OCLI could give you much better insight on this. Jack Hutchison