Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takuya Nayuki0
Naohiko Goto0
Nobuyuki Tanaka0
Takashi Fujii0
Koshichi Nemoto0
Megumi Miki0
Date of Patent
July 27, 2010
0Patent Application Number
120673810
Date Filed
September 20, 2006
0Patent Primary Examiner
Patent abstract
Fine particles such as nanoparticles and microparticles is irradiated to generate plasma by focusing an ultrashort pulse laser beam 15 emitted from a laser device 16. More preferably, the plasma is generated by a filament 14 generated in the ultrashort pulse laser beam 15. A constituent of the fine particles is measured based on an emission spectrum from the plasma.
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