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    • 4. 发明专利
    • Sensor
    • JP5345985B2
    • 2013-11-20
    • JP2010180798
    • 2010-08-12
    • 日本電信電話株式会社
    • 克彦 西口聡 藤原
    • G01D3/028G01R19/00
    • PROBLEM TO BE SOLVED: To detect a fine signal at a high speed without making the whole system complex. SOLUTION: The sensor includes a first field effect transistor 101 composed of a first thin wire channel 101a, a second field effect transistor 102 composed of a second thin wire channel 102a, a charge storage part 103 connected to one end of the first thin wire channel 101a and connected to the second thin wire channel 102a through capacitance, an electron sink part 104 connected to the other end of the first thin wire channel 101a, a stored charge control part 105 which controls injection of electric charge into the charge storage part 103 from the electron sink part 104 by controlling a charge injection control voltage to a gate electrode of the first field effect transistor 101 and the electron sink part 104, and a current detection part 106 which detects change in value of a current flowing to the second field effect transistor 102 which is made as a result of the control by the stored charge control part 105. COPYRIGHT: (C)2012,JPO&INPIT