Chip resistor

Details Chip resistor Chip resistor

2006-01-03

2006-01-03

Easthom, Karl D. (Department: 2832)

Electrical resistors

With base extending along resistance element

Resistance element coated on base

C338S332000, C338S313000

Reexamination Certificate

active

06982624

ABSTRACT:
A chip resistor includes an insulating chip substrate, a resistor film formed on the substrate, a pair of upper electrodes formed from silver paste to be connected to the resistor film, a cover coat covering the resistor film, an auxiliary electrode formed on each of the upper electrodes to partially overlap the cover coat, a side electrode formed on each of the side surfaces of the substrate to be connected to the upper electrode and the auxiliary electrode, a nickel-plated layer covering the auxiliary electrode and the side electrode, and a soldering layer covering the nickel-plated layer. The side electrode is made from nonmagnetic conductive resin paste, whereas the auxiliary upper electrode is made from carbon-based conductive resin paste.

REFERENCES:
patent: 5815065 (1998-09-01), Hanamura
patent: 6023217 (2000-02-01), Yamada et al.
patent: 6150920 (2000-11-01), Hashimoto et al.
patent: 6153256 (2000-11-01), Kambara et al.
patent: 6359546 (2002-03-01), Oh
patent: 6492896 (2002-12-01), Yoneda
patent: 6703683 (2004-03-01), Tanimura
patent: 6724295 (2004-04-01), Tsukada
patent: 2003/0117258 (2003-06-01), Kim et al.
patent: 2003/0147200 (2003-08-01), Harada et al.
patent: 2002-184602 (2002-06-01), None

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