Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 23, 2010
Patent Application Number
12042910
Date Filed
March 5, 2008
Patent Primary Examiner
Patent abstract
A sensor chip has a metal layer formed on a surface of a substrate, where a plurality of microscopic concave part is formed in a measurement region of the surface of the metal layer. When light of linear polarization is irradiated onto the measurement region, local resonance electric field generates at opposing metal layer surfaces in the concave part. The reflected light thereof is received to measure reflectance. The light of linear polarization is irradiated so that the polarizing surface becomes orthogonal to the longitudinal direction of the concave part.
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