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Chip resistor and method for manufacturing chip resistor

A resistor and chip technology, which is applied in the manufacturing field of chip resistors, can solve the problems of resistor characteristics influence and damage resistors, and achieve the effect of reducing adverse effects and improving surge characteristics

Active Publication Date: 2022-02-25
KOA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In chip resistors with such a structure, when a surge voltage due to static electricity, power supply noise, etc. Resistor

Method used

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  • Chip resistor and method for manufacturing chip resistor
  • Chip resistor and method for manufacturing chip resistor
  • Chip resistor and method for manufacturing chip resistor

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] Embodiment of the present invention is described with reference to accompanying drawing, then as figure 1As shown, the chip resistor 1 according to the first embodiment of the present invention is mainly composed of a rectangular parallelepiped insulating substrate 2, first electrodes 3 arranged opposite to each other at predetermined intervals at both ends in the longitudinal direction of the surface of the insulating substrate 2, and The second electrode 4 , the meander-shaped resistor 5 connected to the first electrode 3 and the second electrode 4 , and a protective film (not shown) covering the resistor 5 are configured.

[0038] The insulating substrate 2 is made of ceramics or the like, and is a plurality of substrates obtained by dividing a large-sized collective substrate described later along vertical and horizontal dividing grooves.

[0039] The first electrode 3 and the second electrode 4 are electrodes obtained by screen-printing, drying, and firing an Ag-b...

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PUM

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Abstract

The present invention provides a chip resistor capable of alleviating adverse effects on characteristics caused by microcracks and improving surge characteristics. A chip resistor (1) has an insulating substrate (2), a first electrode (3) and a second electrode (4) disposed opposite to each other at a predetermined interval on the insulating substrate (2), and a bridging first electrode (3) and The resistor (5) between the second electrodes (4), the resistor (5) is formed to have a plurality of turning parts (5b) facing the first electrode (3) and the second electrode (4) with a gap ), in the chip resistor (1), trimming grooves (7A, 7B) facing the turning portion (5b) are formed in the resistor body (5), and floating islands separated from the first electrode (3) A conductor (6A) is formed at one turn (5b), and a floating island conductor (6B) separated from the second electrode (4) is formed at the other turn (5b).

Description

technical field [0001] The present invention relates to a chip resistor whose resistance value is adjusted by forming trimming grooves in a resistor provided on an insulating substrate, and a method for manufacturing the chip resistor. Background technique [0002] A chip resistor is mainly composed of a rectangular parallelepiped insulating substrate, a pair of surface electrodes arranged opposite to each other at a predetermined interval on the surface of the insulating substrate, a pair of back electrodes arranged opposite to each other at a predetermined interval on the back of the insulating substrate, bridge surface electrodes and The end surface electrodes of the back electrodes, the resistors bridging the paired front electrodes, the protective film covering the resistors, and the like are constituted. [0003] Generally, when manufacturing such a chip resistor, after collectively forming a plurality of electrodes, resistors, protective films, etc. on a large-sized c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01C17/242H01C7/00H01C17/065
CPCH01C7/00H01C17/065H01C17/242
Inventor 松本健太郎
Owner KOA CORP