发明名称 |
Apparatus and method for producing polarized vapor-phase helium-3, particularly for NMR imaging |
摘要 |
The present invention relates to an apparatus for producing polarized high-pressure vapor-phase helium-3, particularly for NMR imaging. The apparatus comprises a means for injecting helium-3 or a mixture of isotopes into an optical pumping cell (2), a means for liquefying the polarized gas from the optical pumping cell (2) and a tank (4) for storing the polarized liquid-phase helium-3, characterized in that the storage tank (4) is cooled to a temperature that may be set between a storage temperature Ta and an evaporation temperature Te, and communicates alternately with the optical pumping cell (2) and a high-pressure helium-3 gas discharge duct.
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申请公布号 |
US6282920(B1) |
申请公布日期 |
2001.09.04 |
申请号 |
US19980134788 |
申请日期 |
1998.08.14 |
申请人 |
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIC-CNRS |
发明人 |
NACHER JEAN-PIERRE;TASTEVIN GENEVIèVE |
分类号 |
A61K49/18;B01D59/34;F25J1/00;G01R33/28;(IPC1-7):F25J1/00 |
主分类号 |
A61K49/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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