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    • 10. 发明公开
    • Memory device
    • 内存设备
    • EP0326154A3
    • 1990-09-26
    • EP89101438.3
    • 1989-01-27
    • NEC HOME ELECTRONICS, LTD.
    • Ito, Susumu c/o NEC Home Electronics Ltd.
    • G11C7/00G11C11/44
    • H01L27/18G11C11/44H01L39/18
    • A memory device comprises first striped electrodes (2₁, 2₂, ...) and second striped electrodes (4₁, 4₂, ...) arranged so as to intersect and be insulated from each other, superconducting rings (8₁₁ 8₁₂, ...) each disposed in a region (6₁₁, 6₁₂, ...) surrounded by the first and second electrodes (2₁, 2₂, ... 4₁, 4₂, ...), superconduction control means (103) for changing an electric conduction type of selected ones of the superconducting rings (8₁₁, 8₁₂,...) to the ordinary conduction or to the superconduction, a write circuit (10) for providing signal currents to the first (2₁, 2₂, ...) and second (4₁, 4₂, ...) striped electrodes surrounding the selected superconducting rings (8₁₁, 8₁₂, ...) in synchronism with an operation of the superconduction control means (103) so that information data can be stored in the selected rings as permanent currents, and a read circuit (10) for detecting induction currents generated in the first (2₁, 2₂, ...) and second (4₁, 4₂, ...) striped electrodes surrounding selected ones of the superconducting rings (8₁₁, 8₁₂, ...) when the electric conduction of the selected rings (8₁₁, 8₁₂, ...) are changed to the ordinary conduction.
    • 存储器件包括布置成相互交叉并彼此绝缘的第一条状电极(21,22,...)和第二条形电极(41,42 ...),超导环(811 812,...) ),其被设置在由所述第一和第二电极(21,22,... 41,42,...)包围的区域(611,612 ...)中,用于改变导电的超导控制装置(103) 写入电路(10),用于向第一(21,22,...)和第二(22,22 ...)提供信号电流,其特征在于,所述超导环(811,812,...) (103)的操作同步地围绕所选择的超导环(811,812 ...)的条形电极(41,42,...),使得信息数据可以存储在所选择的环中作为 永久电流和用于检测在第一(21,22,...)和第二(41,42,...)条纹电极中产生的感应电流的读取电路(10) 当所选择的环(811,812,...)的导电改变为普通导通时,围绕所选择的超导环(811,812,...)中的一些。