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U.S. Department of Energy
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LIQUID HELIUM TRAP FOR HIGH PUMPING SPEED AT LOW PRESSURES

Journal Article · · Rev. Sci. Instr.
DOI:https://doi.org/10.1063/1.1716423· OSTI ID:4196920
A description is given of a liquid helium thimble trap which is situated immediately in the evaporation chamber. A pumping speed of 700 to 1000 l/sec is indicated for the trap at pressures in the 10/sup -9/ mm Hg range. (C.J.G.)
Research Organization:
IBM Corp., Poughkeepsie, N.Y.
Sponsoring Organization:
USDOE
NSA Number:
NSA-14-007498
OSTI ID:
4196920
Journal Information:
Rev. Sci. Instr., Journal Name: Rev. Sci. Instr. Vol. Vol: 30
Country of Publication:
Country unknown/Code not available
Language:
English

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