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US08279662B2 Multi-bit magnetic memory with independently programmable free layer domains 有权
具有独立可编程自由层域的多位磁存储器

Multi-bit magnetic memory with independently programmable free layer domains
Abstract:
An apparatus and associated method for a non-volatile memory cell, such as a multi-bit magnetic random access memory cell. In accordance with various embodiments, a magnetic tunnel junction (MTJ) has a ferromagnetic free layer with multiple magnetic domains that are each independently programmable to predetermined magnetizations. Those magnetizations can then be read as different logical states of the MTJ.
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