apparatus/main.bib: Add specs for Olympus TR400PSA cantilevers

diff --git a/src/apparatus/main.bib b/src/apparatus/main.bib
index 4189185013572e04b7d10341deea4edbb30e9113..dd41db2564b6d7c220c702d357029891fc518800 100644 (file)
--- a/src/apparatus/main.bib
+++ b/src/apparatus/main.bib
@@ -3,7 +3,19 @@
   title = "Small Spring Constant Silicon Nitride Cantilevers",
   year = 2012,
   url = "http://probe.olympus-global.com/en/product/omcl_tr400psa_hw/",
-  note = "OMCL-TR400PSA",
+  note = "OMCL-TR400PSA.  From
+    \href{http://www.asylumresearch.com/Probe/TR400PSA,Olympus}{Asylum
+    Research}, the small cantilever has a spring constant
+    $\kappa=0.08(0.02-0.23)\U{N/m}$, a length of
+    $100(90-110)\U{$\mu$m}$, a width of $15(14-16)\U{$\mu$m}$, and a
+    thickness of $0.4(0.3-0.5)\U{$\mu$m}$.  The tip is a four-sided
+    pyramid with a height of $3.0\pm0.5\U{$\mu$m}$, a side angle of
+    $35\pm1\dg$, and a tip radius of $20\pm5\U{nm}$.  The cantilevers
+    are silicon nitride, with chromium and gold reflex coatings that
+    are $5$ and $30\U{nm}$ thick respectively.  From
+    \href{http://probe.olympus-global.com/en/product/omcl_tr400psa_hw/}{Olympus},
+    the resonant frequency of the small cantilever in water is around
+    $7\U{kHz}$.",
 }
 
 @misc{ athenaes-i27o,