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--- wiki:some_fridges [2022/01/29 17:12]
henri.godfrin@neel.cnrs.fr
+++ wiki:some_fridges [2022/02/02 17:11] (current)
henri.godfrin@neel.cnrs.fr
@@ Line 1: / Line 1: @@
- ===== Some examples of powerful Dilution Refrigerators pre-cooling ULT Nuclear Demagnetization stages =====
+ ===== Some examples of powerful Refrigerators =====
 ==== ULT set-ups cooling 3He well below 100 µK ====
@@ Line 13: / Line 13: @@
+==== T<5 mK Refrigerator for Neutron scattering ====
+{{ drill.jpg?280}} {{ wiki:DRILL_HG_2.jpg?340|DRILL_2_®HG}}
+In this type of refrigerators the helium bath does not surround the lower part of the cryostat. Radiation shields enclose the lower section. The refrigerator shown here (named "DRILL") was developed by CNRS and ILL in Grenoble (H. Godfrin, C. Gianèse and R. Chung ). It also has a LN2 bath for long operation time between helium transfers.

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