[time-nuts] CS reservoir depletion

J. Forster jfor at quik.com
Thu Jan 13 23:48:59 UTC 2011


The glassware part is outlined in Strong's "Proceedures in Experimental
Physics" as I remember. It takes some skill, but it's not insurmountable.

Best,

-John

=================


> Lead is slightly radioactive.   Presumably the person building the device
> would either source the right isotope or just use an existing vapor
> container from an old unit.  Of course if it was totally scratch built,
> I'd
> still just buy the right isotope.
>
> -Bob
>
> On Thu, Jan 13, 2011 at 4:18 PM, Rick Karlquist
> <richard at karlquist.com>wrote:
>
>> J. Forster wrote:
>> >> I'd imagine building a Cs unit might be a bit easier than an H MASER,
>> but
>> > not by much. Certainly a Rb is easier.
>> >
>> > -John
>>
>> Other than the "glassware", building an Rb is entirely possible
>> in your garage, at least if you are a certifiable time nut.
>> This is based on the HP 10816 mini-Rb I worked on circa 1980.
>> It would be even easier now.
>>
>> The glassware is tricky only because you have to work with
>> stuff that is more like fused quartz than glass.  This is because
>> regular glass can't deal with Rb very well.
>>
>> The other problem for the garage builder is that one of the Rb
>> isotopes is slightly radioactive.  Probably not OK to have
>> in your garage.
>>
>> Rick Karlquist N6RK
>>
>>
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