Semi-hard magnetic elements formed by annealing and controlled o

Details Semi-hard magnetic elements formed by annealing and controlled o Semi-hard magnetic elements formed by annealing and controlled o

1996-07-01

1998-06-16

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

148561, 420125, 420590, 340572, G08B 13187, H01F 1153

Patent

active

057677700

ABSTRACT:
A semi-hard magnetic element is formed by at least partially crystallizing an amorphous soft iron-metalloid material. The heating process used to achieve crystallization includes a controlled oxidation stage to increase the level of remanent flux that is provided when the processed magnetic element is placed in a fully magnetized state.

REFERENCES:
patent: 4510489 (1985-04-01), Anderson, III et al.
patent: 4510490 (1985-04-01), Anderson, III et al.
patent: 5252144 (1993-10-01), Martis
patent: 5351033 (1994-09-01), Liu et al.

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