US Patent 7372718 Storage and semiconductor device
Patent 7372718 was granted and assigned to Sony on May, 2008 by the United States Patent and Trademark Office.
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A storage device includes a storage element having characteristics such that the resistance value thereof changes from a high state to a low state as a result of an electrical signal higher than or equal to a first threshold signal being applied and changes from a low state to a high state as a result of an electrical signal higher than or equal to a second threshold signal whose polarity differs from that of the first threshold signal being applied; and a circuit element that is connected in series to the storage element and that serves as a load, the storage element and the circuit element forming a memory cell, and the memory cells being arranged in a matrix, wherein the resistance value of the circuit element when the storage element is read differs from the resistance value when the storage element is written or erased.
US Patent 07372718 Storage and semiconductor device US Patent 7372718 Storage and semiconductor device
US Patent 07372718 Storage and semiconductor device
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