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Memoright Assigned Patent

Error estimation module and estimation method thereof for flash memory

Memoright, Co., Ltd., Wuhan, Hubei, China, has been assigned a patent (9,047,212) developed by Xing, Jipeng, Huo, Wenjie, and Zhang, Jie, Hubei, China, for a “error estimation module and estimation method thereof for flash memory.”

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”The present invention relates to the field of data storage, and more particularly to an estimation technology in an error correction process of a flash memory. The present invention provides an error estimation module and an error estimation method thereof for a flash memory. The estimation module mainly includes a timer, a quantification index table, a storage page table, and an error index table. The error estimation method of a flash memory includes: creating rewriting and programming error a priori data, and estimating an error rate of the flash memory by using special physical signals in a flash memory device to provide proper error estimation for an error correction algorithm of the flash memory. The present invention is applicable to a solid-state hard disk controller, a flash memory controller, and the like, where the flash memory device is used as a storage medium, so that the reliability of the flash memory device is improved.

The patent application was filed on March 23, 2012 (14/119,121).

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