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Nanofabrication Facility
 Critical-Point Dryer
CNS ID: CD-1
MakeTechnotrade
ModelCPD-030
CategoryWet Process
NameCritical-Point Dryer
LocationLISE - Cleanroom G07
 
 
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More Info
The Baltec CPD-1 is a critical point dryer, used to dehydrate or dry physically sensitive biological and MEMS samples, to preserve delicate nano- and micro-scale structures and features which might otherwise be distorted or destroyed in the process of air drying or vacuum-baking. In the Baltec Critical Point Dryer, water in the sample is first dissolved and displaced by soaking the sample in isopropanol or acetone. Then, under high pressure, the solvent is itself displaced by liquid CO2. At this high pressure, the CO2 is above its �critical point�, which means the density of the liquid and gas phase of CO2 are equivalent, and the evaporation of the CO2 can occur without volumetric changes to the sample, and without the effects of liquid surface tension that would collapse the sample at normal atmospheric temperatures and pressures. Training is available by request.
Comments
 
Contact Info:
Mac Hathaway
LISE G46
11 Oxford Street
Cambridge, MA 02138
617-495-9012
hathawaycns.fas.harvard.edu
Jiangdong Deng
LISE G54
11 Oxford Street
Cambridge, MA 02138
617-495-3396
jdengcns.fas.harvard.edu
 
 

07/23/13
New DRIE on-line and available for Training !!

 

05/02/13
LED Measurement System and Integrating Sphere now available! Contact Jason Tresback for training.

 

03/12/13
Quantox non-contact electrical measurement tool commissioned. See Philippe for training.

 

02/20/13
Olympus Total Internal Reflection Fluorescence Microscopy Hands-On Demo

 

DRIE system on site - available soon.

 

01/18/13
i-line stepper coming to CNS this spring!

 

08/14/12
We bought the k-alpha XPS - it will be staying!

 

05/14/12
We bought the Heidelberg uPG501 direct write system - it will be staying!

 

10/04/12
XeF2 etch system now available!

 

02/21/12
Time Resolved PL Spectroscopy now available