Repeated structure of nanometer thin films with symmetric or asymmetric configuration for spr signal modulation

a technology of symmetric or asymmetric configuration and repeat structure, applied in the direction of material analysis through optical means, instruments, optical elements, etc., can solve the problems of inconvenient use, difficult calibration and measurement with scanning mechanism, etc., and achieve the effect of improving the efficiency of angular interrogation and reducing drawbacks
US20050045977A1Inactive Publication Date: 2005-03-03NAT TAIWAN UNIV
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
NAT TAIWAN UNIV
Publication Date
2005-03-03
Estimated Expiration
Not applicable · inactive patent

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Abstract

A symmetric or asymmetric multilayer structure based on the technique of surface plasmon resonance (SPR) has been applied for modulation of resonant angle and wavelength. The fabrication of this invention can have nanoscale thin film layers up to several hundreds, while each layer has its own material of a high or low refractive index value, and the total layers in a thickness of tens to hundreds nanometers are grown in this single structure. This invention is intended for optimizing the scanning of mechanism by modulating SPR resonant angle and wavelength, and for developing the prospect of portable instruments.
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Description

FIELD OF THE INVENTION

[0001] The present invention relates generally to the research of a biomedical chip in sensing protein biomolecules by an optical method and more particularly relates to a procedure of coating a metal film on a surface plasmon resonance (SPR) device and a novel design of a multilayer structure. BACKGROUND OF THE INVENTION

[0002] Disregard the fact that quite a few patents on genetic engineering related techniques have raised many legal and ethical issues, human beings have indeed made a big progress in knowing their own origin during the last century. A widely recognized discovery is the rough draft of the human genome, or the molecular sequence of DNA that comprises the human genes. A biochip, known as DNA microarrays, was designed in the late of last century for accelerating genetic research. This new technology is expected to detect the presence of a whole array of genetically based diseases, and, moreover, to conduct widespread disease screening.

[0003] A ...

Claims

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