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Subject: Re: Using diffusion pump systems for ARcoatings

Date: 08/21/02 at 4:14 AM
Posted by: Garry Williams
E-mail: garry_will@msn.com
Message Posted:

In Reply to: Using diffusion pump systems for ARcoatings posted by Hemang Jesrani / Astro Optics Pvt. Ltd. on 08/18/02 at 8:30 AM:

Hi Hemang,
I agree with Don. I have built many diffusion pumped optical thin film coaters for many clients. As long as the diffusion pump is well trapped and the pumping stack is designed correctly you should not have a problem producing high quality thin films.
Garry Williams
P.S. If possible monitor the vacuum quality with an RGA

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