[volt-nuts] Low-cost Josephson Junction Array

[Andreas Jahn]

Hello Ken,

you can also buy it here:

http://www.supracon.com/en/dc_josephson_voltage_standard.html

there is also a version with cyro cooler so no need to handle with 
dangerous liquids.

With best regards

Andreas


Am 19.10.2016 um 22:56 schrieb Dr. David Kirkby (Kirkby Microwave Ltd):
> On 19 October 2016 at 20:15, Ken Peek <ken.peek at diligentminds.com> wrote:
>
>> Well, I already have a 3458A,
>
> OK, quite an expensive multimeter. Otuside my budget for something I don't
> really need, but would like!
>
>
>    $400K is *WAY* out of my budget.  I was looking more for
>> something on the surplus market-- or some "cast away" JJA that someone is
>> getting ready to throw into the dumpster-- something that nobody wants
>> anymore that I can get working on a _very_limited_ budget...
>
> It might be worth mentioning how much money you are willing to spend on it,
> as it may give people ideas about what could possibly be done yourself, and
> what is just not going to be practical.
>
> You may well find getting liquid helium impossible. Here in the UK it is
> very difficult to get chemicals dangerous chemical if you are not on an
> industrial site. I very much doubt British Oxygen Company (BOC) would
> delivery liquid helium to my house.
>
>
> Stage 1 would be to see what you would need in order to get the He
> delivered. Without that you are not going to get anywhere, and I doubt you
> will get that delivered unless you have vessels that have been properly
> maintained.
>
> I would imagine that just getting the stuff delivered would be next to
> impossible without spending a lot of money, especially in the USA.
> _______________________________________________
> volt-nuts mailing list -- volt-nuts at febo.com
> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/volt-nuts
> and follow the instructions there.