Re: [ATM] Applying Protective Coatings

[Mike Lockwood <melockwo@uiuc.edu>]

Jason,

Jason Hissong wrote:
> Our club ATM group at Perkins Observatory is working on a vacuum chamber 
> project and I was interested in knowing ways to add the protective 
> coatings to t he mirror once aluminized.  The specific chamber we have 
> currently used the Tungsten wire method of evaporating the aluminum.  We 
> have most of the pieces now including the diffusion pump, roughing pump, 
> and some other stuff.
> Also, there is a vague reference for applying Silicon Monoxide by 
> combining silicon and quartz in a crucible and evaporating it in the 
> chamber.
> Any references in some books would be great!

I believe there is a whole chapter on that topic in one of the three 
ATM volumes, and there is a also Yahoo group called "VacuumX" that is 
devoted to vacuum coating and the related equipment.

	Mike Lockwood

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