Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 29, 2007
Patent Application Number
11029016
Date Filed
January 5, 2005
Patent Primary Examiner
Patent abstract
In a Raman spectroscopy, the surface of metal film which is formed on a dielectric substrate in thickness of 50 to 200 nm and is characterized in that a plurality of fine holes satisfying the conditions defined by the following formulae are formed is caused to adsorb the material to be analyzed, light is projected onto the surface and the scattering light scattered by the surface is separated to obtain a spectrum of the scattering light,
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