Static information storage and retrieval – Systems using particular element – Magnetoresistive
Reexamination Certificate
2007-09-04
2007-09-04
Hur, J. H. (Department: 2824)
Static information storage and retrieval
Systems using particular element
Magnetoresistive
C365S171000, C365S173000
Reexamination Certificate
active
11651729
ABSTRACT:
A ferromagnetic thin-film based digital memory having a bit structures therein a magnetic material film in which a magnetic property thereof is maintained below a critical temperature above which such magnetic property is not maintained, and may also have a plurality of word line structures each with heating sections located across from the magnetic material film in a corresponding one of the bit structures. These bit structures are sufficiently thermally isolated to allow selected currents in the adjacent word lines or in the bit structure, or both, to selectively heat the bit structure to approach the critical temperature. Such bit structures may have three magnetic material layers each with its own critical temperature for maintaining versus not maintaining a magnetic property thereof.
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Beech et al., Journal of Applied Physics, vol. 87, No. 9, May 1, 2000, pp. 6403-6405.
Daughton James M.
Pohm Arthur V.
Hur J. H.
Kinney & Lange , P.A.
NVE Corporation
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