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Re: Anode breaking [message #701 is a reply to message #699] Wed, 28 July 2004 12:36 Go to previous messageGo to previous message
Harald Appelshaeuser is currently offline  Harald Appelshaeuser
Messages: 39
Registered: March 2004
Location: GSI
continuous participant
From: kp1nbp016.gsi.de
Dear Clemens,

this is really a worrysome observation.
I think your theory makes sense, at least I have no other explanation.
Clearly, the distance between the gluing and the soldering point is very
short which means the wire would break if it is stretched by only a little
bit.
I had a brief discussion with the GSI people, they have never had this
problem before. Possibly, because the TPC chambers are much heavier
and may not so easily be pulled away.
The first suggestion is, not to cut the wires from one
side to the other but, starting from the center, cut the wires alternating
towards both sides. Also, one shouldnt first cut all wires quickly and then
remove the ends with the US-knife, but rather cut the wires carefully
and one by one with the US-knife only (thats probably how you do it..).

Probably, the ultimate solution is to fix the chamber with respect to the
transfer frame to make sure it cannot move. Dubna, did you make any
such experience?

Regards, Harry
 
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