Document Type

Patent

Abstract

An open flow helium cryostat system for cooling a sample crystal to be examined using X-ray diffraction, neutron diffraction, or a similar method. The cryostat system including a primary helium supply to provide a first stream of liquid helium onto the sample crystal and a secondary helium supply to provide a second stream of gaseous helium around at least a portion of the primary helium supply at a temperature warmer than the first stream of liquid helium to prevent the formation of ice on the sample crystal.

Patent Country

US

Patent Number

US6003321

Publication Date

12-21-1999

Assignee(s)

The University of Toledo

Application Number

09/060475

Filing Date

April 1998

Primary Class

62/51.1

Secondary Class

62/293; 62/320

Rights

These materials are free of copyright restrictions and are in the public domain within the United States only. The USPTO reserves the right to assert copyright protection internationally.

Institution

The University of Toledo

Repository

University of Toledo Libraries

Digital Publisher

Digital Initiatives

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