Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1996-03-21
1998-11-24
Kiliman, Leszek
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
428336, 428693, 428694R, 428694T, 428694TS, 428694TM, 428900, 427127, 427128, 427129, 427130, 427131, G11B 566, B32B 516
Patent
active
058404201
ABSTRACT:
Magnetoresist elements having good giant magnetoresistance characteristics of at least 6 percent are prepared by depositing alternating layers of magnetic alloy and non-magnetic copper or copper alloys in a thickness of 22-40 angstroms, which element, as deposited, exhibits ferromagnetic coupling. The multi-layer element, which may include up to 20 bilayers of magnetic material
on-magnetic material is then annealed at a temperature of about 250.degree.-325.degree. C. for a period of at least 15 minutes up to 10 hours. The resulting element exhibits good GMR characteristics which are thermally stable, and insensitive to minor variations in the thickness of the non-magnetic layer.
REFERENCES:
patent: 5510172 (1996-04-01), Araki
patent: 5514452 (1996-05-01), Araki
patent: 5514469 (1996-05-01), Shinjo
patent: 5521005 (1996-05-01), Kitada
patent: 5549977 (1996-08-01), Jin
patent: 5549978 (1996-08-01), Iwasaki
patent: 5585196 (1996-12-01), Inomata
Hossain Syed A.
Parker Martin R.
Kiliman Leszek
The University of Alabama
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