From: W. Trevor King Date: Thu, 13 Jun 2013 22:20:56 +0000 (-0400) Subject: calibcant/procedure.tex: Over-estimate port-to-chip distance X-Git-Tag: v1.0~86 X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=41777d9ff5879392be71e32c9f4c339b7c866eba;p=thesis.git calibcant/procedure.tex: Over-estimate port-to-chip distance I'd like to actually measure this, but I forget when I'm in lab. The whole fluid chamber is about a centimeter in diameter, so 3 mm seems like a safe upper bound. --- diff --git a/src/calibcant/procedure.tex b/src/calibcant/procedure.tex index ce8717f..0e9ca4a 100644 --- a/src/calibcant/procedure.tex +++ b/src/calibcant/procedure.tex @@ -99,8 +99,8 @@ a type E thermocouple\footnote{Part number 5TC-TT-E-30-72 from OMEGA insulation (TT), type E metals (chromel--constantan), number 30 AWG wires ($0.255\U{mm}$ diameter), in a $72\U{inch}$ length.}. The thermocouple is inserted through one of the ports in the AFM fluid -cell, so the thermocouple tip is in the buffer less than $TODO\U{mm}$ -from the cantilever tip. +cell, so the thermocouple tip is in the buffer less than $3\U{mm}$ +from the cantilever tip.% TODO: measure distance \Cref{eq:kappa} depends on the \emph{absolute} temperature, so labs without easy access to a thermocouple can probably get away with