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HIGH-DENSITY DATA STORAGE UNIT USING ASYMMETRIC HYSTERETIC PROPERTY OF FERROELECTRIC AND DATA RECORDING/REPRODUCING METHOD THEREOF
HIGH-DENSITY DATA STORAGE UNIT USING ASYMMETRIC HYSTERETIC PROPERTY OF FERROELECTRIC AND DATA RECORDING/REPRODUCING METHOD THEREOF
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机译：铁电体不对称迟滞特性的高密度数据存储单元及其数据记录/再现方法
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摘要
PURPOSE: A high-density data storage unit using asymmetric hysteretic property of ferroelectric and a data recording/reproducing method are provided to easily discriminate '0' bit and '1' bit from each other by detecting capacity of a ferroelectric capacitor. CONSTITUTION: A high-density data storage unit uses a ferroelectric capacitor having upper and lower electrodes(22,24) formed of different materials in order to asymmetric hysteretic property. A recording/reproducing method of the high-density data storage unit includes a step of applying DC voltage in one direction to the ferroelectic capacitor at a specific temperature for a predetermined period of time to record information, and a step of applying read voltage in the same direction as the voltage direction in which hysteresis loop of the ferroelectric capacitor moves to read the recorded information.
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