一種具有自我比對之雙孔微型化表面電漿共振光波導元件
  ‧ 專利名稱 一種改良型直線光波導式表面電漿子共振微感測器
  ‧ 專利證書號 I247886
  ‧ 專利權人 國立臺灣大學
  ‧ 專利國家
    (申請日)
中華民國 (2005/01/06)
美國 (2005/03/18)
  ‧ 發明人 林啟萬, 李政隆, 李世光, 王維新,
 
技術摘要:
本發明係一種改良型直線光波導式表面電漿子共振微感測器,尤指一種以雙開孔、多通道之設計,達到具有交互比對差分之量測的表面電漿子共振微感測器,以增加光波導式表面電漿子共振微感測器之效能,並利用表面金屬薄膜之鍍著以產生表面電漿子共振之特性波長吸收,進一步配合適當尺寸之微流道,以兼具高敏感度與高通量的量測。本發明係應用於水溶液樣本,包括:一基材;一底層,係接觸於該基材的一面;至少一光波導層,係接觸於該底層與基材之面的相反面;至少二表面電漿子共振感測區域,係設置於該光波導層與底層接觸面之相反面;至少二表面電漿子共振感測膜層,係分別設置於該二表面電漿子共振感測區域與光波導層接觸面之相反面。
The invention relates to an improved linear wave-guide type surface plasmon resonance (SPR) micro sensor and, more particularly, to a SPR micro sensor for achieving measurement with mutual differential comparison by a design of dual-opening and multi-channel, so as to increase the performance of the wave-guide type SPR micro sensor and utilize plating of surface metal film to produce characteristic wavelength of SPR for absorption, which is further in combination with a suitable size of micro fluid channel to provide measurement with high sensitivity and high flux. The present invention is applied in water solution sample and is composed of: a substrate; a bottom layer which contacts with one surface of the substrate; at least one wave-guide layer which contacts with the opposite surface of the contact surface of the bottom layer and the substrate; at least two SPR sensing areas arranged on the opposite surface of the contact surface of the wave-guide layer and the bottom layer; at least two SPR sensing films respectively arranged on the opposite surfaces of the surface of two SPR sensing areas and the wave-guide layer.



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