Resistance substrate and variable resistor

Details Resistance substrate and variable resistor Resistance substrate and variable resistor

2006-05-23

2006-05-23

Hoang, Tu (Department: 2832)

Electrical resistors

Mechanically variable

Movable contact electrically adjustable over length of...

C338S162000, C338S309000

Reexamination Certificate

active

07049927

ABSTRACT:
A resistance substrate includes a substrate member, two conductive elements provided on the substrate member, and a resistor element provided on the substrate member, the resistor element electrically connecting the conductive elements to each other. Each of the conductive elements includes an exposed portion of a metal terminal and an electrode film, the exposed portion of the metal terminal being exposed on a surface of the substrate member and the electrode film being electrically connected to the exposed portion and extending along a direction in which the resistor element extends. Each of the conductive elements is covered by an insulator film such that an exposed portion of the electrode film is left uncovered. The resistor element is electrically connected to the exposed portions of the electrode films at both ends thereof.

REFERENCES:
patent: 3206702 (1965-09-01), Greenwood
patent: 4213113 (1980-07-01), Brandt et al.
patent: 4429297 (1984-01-01), Nakatsu
patent: 5525956 (1996-06-01), Hashizume et al.
patent: 5847640 (1998-12-01), Fukaya et al.
patent: 6078248 (2000-06-01), Yagi
patent: 6628193 (2003-09-01), Doi et al.
patent: 2002/0163417 (2002-11-01), Masuda et al.
patent: 2003-124009 (2003-04-01), None

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