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Electrostatic protection component and production method therefor

A technology of electrostatic protection and manufacturing method, which is applied in the direction of electrical components, circuits, varistors, etc.

Active Publication Date: 2014-12-03
KAMAYA ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, insulation resistance tends to decrease after ESD (Electro-Static Discharge: Electrostatic Discharge) voltage is applied to electrostatic protection components, and further decreases as the number of times the voltage is applied increases.

Method used

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  • Electrostatic protection component and production method therefor
  • Electrostatic protection component and production method therefor
  • Electrostatic protection component and production method therefor

Examples

Experimental program
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Effect test

Embodiment Construction

[0073] Embodiments of the present invention will be described in detail below based on the accompanying drawings.

[0074] First, according to Figure 1~Figure 3 , illustrating the structure of the electrostatic protection component of the embodiment of the present invention.

[0075] Figure 1~Figure 3 The electrostatic protection component 100 shown is a component for surface mounting on a printed substrate of an electronic device such as a portable information device, in order to protect an electronic circuit (electronic component) mounted on the printed substrate from static pulses, external noise, etc. The overvoltage generated by the electronic device is placed between the wire that may be applied with the overvoltage and the ground.

[0076] Such as Figure 1~Figure 3 As shown, surface electrodes 2a, 2b are formed on a surface 1a of a ceramic substrate 1, which is an insulating substrate, and rear electrodes 3a, 3b are formed on a rear surface 1b of the ceramic subst...

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Abstract

Disclosed is an electrostatic protection component that can minimize decreases in insulation resistance following the application of ESD voltage, and can also minimize variations in the insulation resistance of each component. Also disclosed is a production method therefor. The structure of the electrostatic protection component (100) is provided with surface electrodes (2a, 2b) that are formed upon a ceramic substrate (1) and are mutually facing with a gap (4a) therebetween; glass membranes (21a, 21b) that are formed upon the surface electrodes (2a, 2b) and cover the top surface (2a-3, 2b-3) and both side surfaces (2a-4, 2a-5, 2b-4, 2b-5) of the surface electrodes (2a, 2b), and that are mutually facing with a gap (4b) therebetween that connects to the gap (4a); and an electrostatic protection membrane (5) that has a center portion (5c) and side portions (5a, 5b), wherein the center portion (5c) is disposed in the gaps (4a, 4b) and the side portions (5a, 5b) are stacked on the top surface (21a-2, 21b-2) of the glass membranes (21a, 21b).

Description

technical field [0001] The invention relates to an electrostatic protection component and a manufacturing method thereof. Background technique [0002] In recent years, electronic equipment such as portable information equipment has been gradually reduced in size and enhanced in functionality, but the withstand voltage of the electronic equipment has been lowered along with this. Therefore, in electronic devices such as portable information devices, electrostatic protection components are used in order to protect the electronic devices from overvoltage due to static pulses and external noise. [0003] The electrostatic protection part has surface electrodes facing each other across a gap, and an electrostatic protection film arranged in the gap. In electronic equipment, the electrostatic protection part is arranged between a wire that may be applied with an overvoltage and a ground, and the wire When an overvoltage is applied, a discharge is generated between the surface e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01T4/10
CPCH01T4/10H01C7/10
Inventor 若狭孝宏户田笃司平野立树
Owner KAMAYA ELECTRIC
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