Multiple-bit magnetic random access memory cell employing...

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

Reexamination Certificate

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C365S048000, C365S050000, C365S055000, C365S158000, C365S171000, C365S173000, C365S180000

Reexamination Certificate

active

07109539

ABSTRACT:
A multiple-bit memory cell for use in a magnetic random access memory circuit includes a first adiabatic switching storage element having a first anisotropy axis associated therewith and a second adiabatic switching storage element having a second anisotropy axis associated therewith. The first and second anisotropy axes are oriented at a substantially non-zero angle relative to at least one bit line and at least one word line corresponding to the memory cell. The memory cell is configured such that two quadrants of a write plane not used for writing one of the storage elements can be beneficially utilized to write the other storage element so that there is essentially no loss of write margin in the memory cell.

REFERENCES:
patent: 6545906 (2003-04-01), Savtchenko et al.
U.S. Appl. No. 10/691,300, filed Oct. 22, 2003, Yu Lu.

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