Amorphous cut core

Details Amorphous cut core Amorphous cut core

1984-06-18

1986-11-04

Kozma, Thomas J.

Inductor devices

With closed core interrupted by an air gap

29605, 336213, 336219, 336234, H01F 2724

Patent

active

046212485

ABSTRACT:
The present invention relates to a core of magnetic amorphous alloy. A thin strip of such alloy is wound and then cut to provide, e.g., C-shaped pieces. A pair of C-shaped pieces is assembled to provide the core. Conventionally, the magnetic properties, e.g., the watt loss, of the core are impaired at the cut ends of a thin strip due to the formation of burrs.
The present invention is characterized by providing the cut ends with a thickness substantially the same as the thickness of the non-cut portion of the thin strip and by polishing the cut ends substantially parallel to the major surface of the thin strip, thereby improving the magnetic properties of the core.

REFERENCES:
patent: 2293951 (1942-08-01), Seastone et al.
patent: 2554262 (1951-05-01), Nagel

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