[time-nuts] Hydrogen Maser KIT! Update #1
docdailey at gmail.com
Mon Nov 3 11:16:10 EST 2014
Good god, be core full with that.
Did you find any references to sputtering the coating. I would think this would give you a more even and more adhesive coating. Some chemical engineering labs at universities do that and would probably coat it for free. I know Dr. Viljoen at Nebraska-Lincoln has a setup for that. He usually sputters metal but I think a Teflon target would work the same.
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> On Nov 3, 2014, at 10:09 AM, <cdelect at juno.com> <cdelect at juno.com> wrote:
> Coating the bulb with Teflon involves coating the inside with a Teflon
> liquid aqueous dispersion, letting it dry, and then curing it in an oven
> at 380 to 400 degrees C for around 30 minutes while circulating dry air
> through the bulb.
> A little bit intricate but doable. Main concern is getting the bulb
> surface absolutely clean before coating.
> A hydrofluoric acid rinse is a must!
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