solder for UHV

From: "Nanoworld" <murooka@xxxxxxxxxx>
Date: 12 Apr 2006 12:21:55 -0700

I am working on a system under UHV at very low temperature. Now I need
to solder thermocouple wires to feedthrough (i.e. two copper pins
sticking inside from one fo the vacuum port.

I want to solder thermocouple wires of extremely low temperature (~10K)
for UHV applications. It appears that lead-free solder (e.g.
95%tin5%silver) works but I have no experience so far. So I want to
know the answers for the following questions. If you know, please let
me know!

1) what shuold I need to consider for soldering?
1) what materials should I use? Lead-free solder (tin-silver)?
2) where can I buy it?

Thank you for your support in advance!!

Nanoworld

.

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Re: solder for UHV
... I am working on a system under UHV at very low temperature. ... Now I need to solder thermocouple wires to feedthrough (i.e. ... two copper pins sticking inside from one fo the vacuum port. ...
(sci.materials)
Re: solder for UHV
... I am working on a system under UHV at very low temperature. ... I want to solder thermocouple wires of extremely low temperature ...
(sci.materials)
Re: solder for UHV
... sticking inside from one fo the vacuum port. ... I want to solder thermocouple wires of extremely low temperature ... It appears that lead-free solder (e.g. ...
(sci.materials)