Ion source
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United States of America Patent
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Feb 6, 2001
Grant Date -
N/A
app pub date -
Aug 19, 1998
filing date -
Aug 22, 1997
priority date (Note) -
Expired
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Abstract
An ion source having a capillary for spraying analyte to form ions, which are charged and attracted to the edge of an insulating film on a spinning disk having a metal core. The disk carries the ions through a slot into a vacuum chamber where they are removed, resulting in continuous transfer of the ions into the vacuum chamber while greatly reducing the amount of gas which enters the vacuum chamber.
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