Re: Possible method for calibrating tension of FDC cathode plane

[Tim Whitlatch <whitey@jlab.org>]

Thanks for the idea Gerard. It sounds good. I will discuss it with the 
others.

Tim

Gerard Visser wrote:
> Hi Tim,
>     Why not just do it electrostatically...? The force can be applied 
> and deflection measured quite accurately (from a capacitance 
> measurement). And it has a direct connection with what we are trying 
> to control (the deflection under electrostatic force field).
>     Just a thought - but ignore me if this sounds crazy!
>
>     Gerard
>
> Tim Whitlatch wrote:
>> Hi Dan,
>>
>> Attached is my initial thoughts on calibrating the tension of the 
>> Kapton circuit board on the FDC cathode.
>>
>> Cheers,
>>
>>       Tim