Coil component and method of stamping iron core used therefor

Details Coil component and method of stamping iron core used therefor Coil component and method of stamping iron core used therefor

1997-11-28

1999-01-19

Gellner, Michael L.

Inductor devices

Core

Laminated type

336212, 336216, 336217, H01F 2724

Patent

active

058617922

ABSTRACT:
A miniaturized, thin coil component with enhanced heat radiation and decreased flux leakage includes an I-shaped laminate iron core having at opposite ends tapered surfaces, and a pair of C-shaped laminate iron cores having tapered surfaces adapted to be mated with the tapered surfaces of the I-shaped laminate iron core. The I-shaped laminate iron core and the C-shaped laminate iron cores are combined so that the I-shaped laminate iron core is pressed by the inner surfaces of the tapered surfaces of the pair of C-shaped iron cores. The iron cores used for the coil component are stamped by a process of positioning the C-shaped cores in opposition to each other perpendicular to the hoop width, shifting one of the C-shaped cores perpendicular to the hoop width, obliquely positioning the I-shaped core between the C-shaped cores and then successively stamping the iron core hoop.

REFERENCES:
patent: 4100521 (1978-07-01), Hori
patent: 4234862 (1980-11-01), Prevotat
patent: 4520556 (1985-06-01), Pasko, Jr. et al.
patent: 4602236 (1986-07-01), Shelby et al.
patent: 5200731 (1993-04-01), Tochio et al.

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