UCSB Cold Box
Overview
The hybrid cold box was designed to test
CMS outer barrel hybrids at temperatures of
-20 degrees celsius. It accomplishes this via
slow control hardware that is interfaced to a
computer with slow control and testing software.
The software was designed by CERN and Aachen and
modified at UCSB; it is available via the links
below.
The tests detect open and shorted
channels in the hybrids and determine whether
the hybrids will fail to initialize at -20 degree
celsius. This is the temperature that the CMS
detector will operate at in order to minimize
radiation damage to the silicon.
Hardware
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