Chip-type common mode choke coil

Details Chip-type common mode choke coil Chip-type common mode choke coil

1994-01-12

1996-09-03

Thomas, Laura

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

H01F 500

Patent

active

055527566

ABSTRACT:
In a chip type common mode choke coil, a plurality of non-magnetic sheets on which conductor lines are formed are laminated one on another to form a non-magnetic member, and the conductor lines are connected to form primary and secondary coils inside the non-magnetic member, and a pair of magnetic layers are formed on the upper and lower surface of the non-magnetic member, and magnetic cores are arranged substantially at the centers of the loops of the coils in such a manner that they penetrate the non-magnetic member and are connected to the pair of magnetic layers, whereby a closed magnetic path crossing the primary and secondary coils is formed.

REFERENCES:
patent: 4076017 (1987-11-01), Wilson
patent: 5239288 (1993-08-01), Tsals
patent: 5319342 (1994-06-01), Kuroki
patent: 5321380 (1994-06-01), Godek et al.
patent: 5386206 (1995-01-01), Iwatani et al.
patent: 5402098 (1995-03-01), Ohta et al.
patent: 5414401 (1995-05-01), Roshen et al.

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