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Single-electron transistor, field-effect transistor, sensor, method for producing sensor, and sensing method

外国特許コード F110003366
整理番号 A242-27WO
掲載日 2011年6月23日
出願国 アメリカ合衆国
出願番号 55806304
公報番号 20060273356
公報番号 7935989
出願日 平成16年5月21日(2004.5.21)
公報発行日 平成18年12月7日(2006.12.7)
公報発行日 平成23年5月3日(2011.5.3)
国際出願番号 JP2004007300
国際公開番号 WO2004104568
国際出願日 平成16年5月21日(2004.5.21)
国際公開日 平成16年12月2日(2004.12.2)
優先権データ
  • 特願2003-146480 (2003.5.23) JP
  • 特願2004-037866 (2004.2.16) JP
  • 2004WO-JP07300 (2004.5.21) WO
発明の名称 (英語) Single-electron transistor, field-effect transistor, sensor, method for producing sensor, and sensing method
発明の概要(英語) (US7935989)
A single-electron transistor comprising at least a substrate, a source electrode and a drain electrode formed on top of the substrate opposing to each other, and a channel arranged between the source electrode is disclosed wherein the channel is composed of ultra fine fibers.
By having such a constitution, a sensor can have excellent sensitivity.
特許請求の範囲(英語) [claim1]
1. A sensor comprising: a substrate;
a back gate electrode;
a source electrode and a drain electrode formed on top of said substrate opposite one another; and
a channel arranged between said source electrode and said drain electrode, wherein said channel is composed of ultra fine fibers;
an insulating membrane formed in a portion of said substrate on an opposite side to positions where said source electrode and said drain electrode are located, the back gate electrode formed in a portion of the substrate on a side of said insulating membrane, said insulating membrane being modified by a specific substance that interacts with a substance to be detected, and wherein said substance to be detected is placeable between said modified portion and said back gate electrode.
[claim2]
2. A sensor according to claim 1, wherein said ultra fine fibers are nanotube-like structures.
[claim3]
3. A sensor according to claim 2, wherein a defect is introduced into said nanotube-like structures.
[claim4]
4. A sensor according to claim 1, wherein said specific substance is a biopolymer that interacts with a biopolymer substance to be detected.
[claim5]
5. A sensor according to claim 4, wherein when said substance to be detected is an antigen or an antibody, said specific substance is an antibody or an antigen.
  • 発明者/出願人(英語)
  • MATSUMOTO KAZUHIKO
  • MUKASA KOICHI
  • ISHII ATSUSHI
  • TAKEDA SEIJI
  • SAWAMURA MAKOTO
  • SUBAGYO AGUS
  • HOSOI HIROTAKA
  • SUEOKA KAZUHISA
  • KIDA HIROSHI
  • SAKODA YOSHIHIRO
  • JAPAN SCIENCE AND TECHNOLOGY AGENCY
  • NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
国際特許分類(IPC)
参考情報 (研究プロジェクト等) CREST Creation of Nanodevices and System Based on New Physical Phenomena and Functional Principles AREA
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