Methods of fabricating a miniature high frequency coil assembly

Details Methods of fabricating a miniature high frequency coil assembly Methods of fabricating a miniature high frequency coil assembly

1980-10-10

1984-01-17

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29605, 26427219, H01F 706

Patent

active

044257023

ABSTRACT:
An external core member is mounted on a dielectric substrate. The external core member is made of a magnetic material and is formed with a through bore. A coil member is disposed on the substrate and within the through bore. An elastic material casting is formed in the through bore and about the coil member, and having a core receiving bore formed therein. The core receiving bore is arranged coaxially with the longitudinal axis of the coil member so as to extend through the coil member at its center portion. A movable core of a magnetic material is movably retained in the core receiving bore.

REFERENCES:
patent: 3525966 (1970-08-01), Wierzbinski
patent: 4009459 (1977-02-01), Benson et al.
patent: 4149135 (1979-04-01), Roespel et al.

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