US Patent 7465920 Ionization method and apparatus for mass analysis
Patent 7465920 was granted and assigned to University of Yamanashi on December, 2008 by the United States Patent and Trademark Office.
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A laser spray method exhibiting a high detection sensitivity when applied to mass analysis has its sensitivity raised further. In a laser spray method of ionizing a liquid sample by irradiating, with a laser beam, the end of a capillary into which the sample has been introduced, use is made of an infrared laser as the laser beam, at least the end of the capillary is formed of a substance that does not readily absorb the laser beam used, and either the capillary is formed of a conductor and a high voltage is applied thereto, or the capillary is formed of an insulator, a conductive wire is placed inside a small cavity of the capillary and a high voltage is applied to the conductive wire.
US Patent 07465920 Ionization method and apparatus for mass analysis US Patent 7465920 Ionization method and apparatus for mass analysis
US Patent 07465920 Ionization method and apparatus for mass analysis
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