Chip inductor and method for manufacturing the same

Details Chip inductor and method for manufacturing the same Chip inductor and method for manufacturing the same

2004-11-17

2008-12-02

Enad, Elvin G (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S232000

Reexamination Certificate

active

07460000

ABSTRACT:
A chip inductor is constructed by alternately laminating plural conductor patterns and plural insulating layers on and above a ceramic substrate, and connecting the plural conductor patterns to each other in series in a lamination direction thereof so as to constitute a coil. Specifically, the number of turns of the lowermost conductor pattern disposed directly on the ceramic substrate is larger than the number of turns of the other plural conductor patterns and the number of turns of the other plural conductor patterns are substantially equal to each other. Preferably, the number of turns of the lowermost conductor pattern is about 1.5 times the number of turns of the other plural conductor patterns.

REFERENCES:
patent: 6683523 (2004-01-01), Takashima et al.
patent: 6885276 (2005-04-01), Iha et al.
patent: 2002/0157849 (2002-10-01), Sakata
patent: 05-029147 (1993-02-01), None
patent: 09-017634 (1997-01-01), None
patent: 2000-049014 (2000-02-01), None
patent: 2001-006936 (2001-01-01), None
patent: 2002-246231 (2002-08-01), None
patent: 2003-007535 (2003-01-01), None

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