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Originally Posted by bigben2k
You mean millibar, right?
Thanks for the tips. I realize that I won't achieve the highest of quality here, but I'll certainly give it a try and report results.
CF gasket? (I'm sure it's going to hit me in a few minutes)
"cold trap" ?
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No, torr as in 760 torr to a bar or a millitorr is about 10E-6 atmosphere. CF stands for conflat (it's a type of UHV gasket using a metal to metal seal) And cold trap is a baffle for the pumped gas prior to the pump which is filled with LN2 to remove water from the pumped volume before it contaminates the pump.
I'm sorry I did misunderstand though. I meant put the entire device, die simulator and waterblock, under vacuum. That way there's no convective cooling from either the WB or the die. But Bill's right, it's not practical unless you work at a lab and do the work after hours.