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Diode memory : ウィキペディア英語版
Diode memory

Diode memory uses diodes and resistors to implement random-access memory for information storage. The devices have been dubbed “one diode-one resistor” (1D-1R).
==Silicon dioxide==
One implementation uses a silicon dioxide chip. The circuits require only two terminals instead of three, as in most memory chips. The approach resists heat and radiation.
The design uses a crossbar (a rectangular grid) architecture. When electricity passes through a layer of silicon oxide, it strips away oxygen molecules and creates a channel of pure metallic-phase silicon less than five nanometers wide.〔
The diodes eliminate the crosstalk inherent in crossbar structures by keeping the electronic state on a cell from leaking into adjacent cells. They have a high on/off ratio of about 10,000 to 1, over the equivalent of 10 years of use, with low-energy consumption.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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