Document Type

Patent

Publication Date

7-23-1996

Abstract

A two stage Gifford-McMahon cryocooler having a low temperature stage for reaching approximately 10K, wherein the low temperature stage includes a passive magnetic heat regenerator selected from the group consisting of Er.sub.6 Ni.sub.2 Sn, Er.sub.6 Ni.sub.2 Pb, Er.sub.6 Ni.sub.2 (Sn.sub.0.75 Ga.sub.0.25), and Er.sub.9 Ni.sub.3 Sn comprising a mixture of Er.sub.3 Ni and Er.sub.6 Ni.sub.2 Sn in the microstructure.

Patent Number

US 5,537,826

ISURF Reference Number

1836

Assignee

Iowa State University Research Foundation, Inc.,

Application Number

US 08/266,090

Date Filed

6-27-1994

Language

en

File Format

application/pdf

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