For archive purposes I fwd this email
-------- Original Message --------
Hi Ives,
Thanks for your quickly response and for the connectors - I received the
envelope recently.
Have a nice weekend,
Slava
Yves Van Haarlem wrote:
> Hi Slava,
>
> I can give you following answers:
>
>> 1.Are you going to use Ethane gas as a supplement to the Argon and
>> Carbone Dioxide mixture?
> Maybe, we have to take into account that we might use ethane.
>
>> 2.Gas mixture consumption is 3-5 volume of chamber per day. Is it
>> correct?
> 5 chamber volumes/day as listed in document 990.
>
>> 3.What kind of gas should be used for blowing out the chamber before
>> the operation? If this gas will be another than the working mixture,
>> we should show (predict) an addition bottle with this gas in our
>> documentation.
> I do not know - with the prototype we always blow Ar-CO2 through the
> chamber.
>
>
>> 4.I heard about thermo-sensors that should be installed on Upstream
>> gas plenum cover area. If it's really so, how many sensors should be
>> installed, and what kind of cables will be used?
> That is under discussion. I believe 1-2 sensors should do.
>
>
>> 5.Can you briefly describe the gas mixer? Does this system exist or
>> should be designed?
> We use MKS type 647C Flow Ratio/Pressure Controller to control 3
> electronic valves (MKS type 1179A). We have an ethane sniffer from
> International Sensor Technology. The 2(3) gases are mixed in a
> cilindric volume (roughly 75cm long and a radius of 20cm). If we
> choose to run the gas trough a temperature controlled liquid - the
> liquid is cooled in a SANYO-SR1730 fridge.
>
> A hope it helps a little.
>
> Cheers,
> Yves
>
>
>>
>> Thank you in advance,
>>
>> Slava
>>
>>
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