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    发明专利
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    公开(公告)号:DE10000675C2

    公开(公告)日:2001-11-15

    申请号:DE10000675

    申请日:2000-01-11

    Abstract: Element suitable for motion under ultra-high vacuum conditions, especially a compressor or valve for apparatus for producing polarized gases, includes at least one component moveable in a housing, where the component is moved from an outer space via an intermediate space to an inner space in a way that ingress of volatiles from the outer chamber to the inner space is prevented by sealing rings. Independent claims are included for: (a) apparatus for producing nuclear spin polarized media, including a device for optical pumping in a low pressure plasma, a compressor for the polarized medium and a storage volume, where the compressor includes at least one element as above; and (b) a method for producing nuclear spin polarized gases, involving optical pumping in low pressure plasma, mechanical compression of the gas and supply to a storage volume, where fractional pumping is used for the mechanical compression.

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