Multilayer capacitor

Details Multilayer capacitor Multilayer capacitor

2006-02-14

2006-02-14

Dinkins, Anthony (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

C361S306100, C361S321200, C361S311000

Reexamination Certificate

active

06999300

ABSTRACT:
A multilayer capacitor includes: a dielectric element; a plurality of first internal electrodes and a plurality of second internal electrodes alternately arranged in the dielectric element while being separated from each other by dielectric layers; a first outer columnar electrode extending from a surface of the dielectric element to reach the first internal electrode on an outermost layer; a second outer columnar electrode extending from the surface of the dielectric element to reach the second internal electrode on an outermost layer; a first inner columnar electrode connected to all the first internal electrodes and having a cross-sectional area larger than a cross-sectional area of each of the first and second outer columnar electrodes; a second inner columnar electrode connected to all the second internal electrodes and having a cross-sectional area larger than a cross-sectional area of each of the first and second outer columnar electrodes; first external electrodes arranged in an island form on the surface of the dielectric element to be connected to the first outer columnar electrode; and second external electrodes arranged in an island form on the surface of the dielectric element to be connected to the second outer columnar electrode. Therefore, it is possible to obtain a multilayer capacitor that realizes reduced total inductance with reduced manufacturing cost.

REFERENCES:
patent: 6034864 (2000-03-01), Naito et al.
patent: 6407907 (2002-06-01), Ahiko et al.
patent: 1085539 (2001-12-01), None
patent: 7-326536 (1995-12-01), None
patent: 2001-189234 (2001-07-01), None
patent: 2001-284170 (2001-10-01), None
patent: 2003-59755 (2003-02-01), None

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