SPR sensor cell and SPR sensor

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United States of America Patent

PATENT NO 9535003
APP PUB NO 20150260649A1
SERIAL NO

14426376

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There are provided an SPR sensor cell and sensor, both having very excellent detection sensitivity. The SPR sensor cell includes: an under-cladding layer; a core layer, at least a part of the core layer being adjacent to the under-cladding layer; and a metal layer covering the core layer. The core layer includes a uniform layer and a gradient layer arranged between the uniform layer and the under-cladding layer; a refractive index NCO of the uniform layer satisfies a relationship of 1.34≦NCO<1.44; a refractive index NCL of the under-cladding layer and the refractive index NCO of the uniform layer satisfy a relationship of NCO−NCL≧0.020; and a refractive index of the gradient layer gradually increases from an under-cladding layer side to a uniform layer side in a thickness direction of the gradient layer within a range of from more than the NCL to less than the NCO.

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Patent Owner(s)

  • NITTO DENKO CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kontani, Tomohiro Osaka, JP 24 107
Nishio, Hajime Osaka, JP 12 64

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