Re: [ATM] Here's a new one

["Ken Reid" <ken_reid@telus.net>]

----- Original Message ----- 
From: "Ken Hunter" <atm_ken_hunter@yahoo.com>
To: <atm@atmlist.net>
Sent: July 22, 2005 7:08 AM
Subject: Re: [ATM] Here's a new one


> 
> Most likely the mirror was coated in a vacuum chamber
> that uses a diffusion pump without a cold trap and the
> diffusion pump oil contaminated the glass during the
> coating process or... possibly not cleaned well enough
> prior to coating. You'll have to have it recoated
> again...
> 
> On the good side, the present coating should not be
> difficult to remove ;0(
> 
> Ken Hunter

Thanks for the confirmation.  There are no short-cuts!
regards
KR


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