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Technology Stocks : Dupont Photomasks (DPMI) -- Ignore unavailable to you. Want to Upgrade?

To: Larry Brew who wrote (402)	3/19/1998 8:29:00 PM
From: JMD	Read Replies (1) \| Respond to of 955

Larry, keep those analogies for the technically challenged coming! Be careful however as I may delude myself into thinking that I actually understand this stuff! Really a great post and much appreciated. Regards, Mike Doyle

To: Larry Brew who wrote (402)	3/19/1998 9:10:00 PM
From: Duane L. Olson	Read Replies (1) \| Respond to of 955

Larry, your discussion with the Editor of Semiconductor Online was most interesting, and it was nice to see that you ended up resolving the part of the discussion where the misunderstanding occurred. For those who haven't been reading Katherine's work at her previous magazine, here's the link to her current work.. news.semiconductoronline.com Cheers! TSO

To: Larry Brew who wrote (402)	3/20/1998 11:54:00 AM
From: TI2, TechInvestorToo	Respond to of 955

<<The masks are used to determine the images for processing after photo development is complete. Again, like a photo. For many, I know this is getting basic, but there are those out there that see the semi process as magic. I still do. :-) I would relate CYMI as being the camera, the photomask as being the image to be taken and photoresist as film.>> Reasonable analogy, a slight refinement. CYMI is the flashbulb of the camera illuminating the object (mask) and the image is taken on the photographic film (photoresist on wafer). The cameras are made by SVGI, Nikon, Canon, UTEK, ASMLF that is why they are called steppers (step and repeat CAMERAS). ;-) TI2