Electrostatic protective component and method for manufacturing same

A technology of electrostatic protection and manufacturing method, which is applied in the direction of electrical components, circuits, spark gaps, etc., can solve the problems of increased manufacturing cost of electrostatic protection components, expensive manufacturing equipment, personal injury, etc., to prevent deterioration of the back electrode, cheap manufacturing equipment, low cost effect

Active Publication Date: 2014-07-09
KAMAYA ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, manufacturing equipment is expensive, and personal injury may occur due to ignorance of manufacturing management, so strict manufacturing management is also required, resulting in the need for high cost to form the tungsten film
Therefore, the manufacturing cost of the electrostatic protection component increases

Method used

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  • Electrostatic protective component and method for manufacturing same
  • Electrostatic protective component and method for manufacturing same
  • Electrostatic protective component and method for manufacturing same

Examples

Experimental program
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Embodiment Construction

[0067] Hereinafter, embodiments of the present invention will be specifically described based on the drawings.

[0068] First, according to Figure 1 to Figure 4 The structure and the like of the electrostatic protection device according to the embodiment of the present invention will be described.

[0069] figure 1 The electrostatic protection element 100 shown is an element surface-mounted on a printed circuit board such as an electronic device for a vehicle, and is designed to protect an electronic circuit (electronic component) mounted on the printed circuit board from overvoltage caused by external noise or the like. , in the electronic device, the electrostatic protection element 100 is arranged between a line to which the overvoltage may be applied and a ground.

[0070] like 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. In addition, a copper (Cu)-nickel (Ni) film or a...

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PUM

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Abstract

The purpose of the present invention is to provide an electrostatic protective component and a method for manufacturing the same whereby it is possible to form at low cost a front electrode capable of withstanding electrostatic discharge tests (contact discharge tests) for 500 times or more and maintaining the electrostatic discharge suppression peak voltage below 500 V. For this purpose, an electrostatic protective component (100) is configured with front electrodes (2a, 2b) which are formed on a ceramic substrate (1) and are opposite each other via a gap (4a), glass films (21a, 21b) which are formed on the front electrodes so as to cover the upper surfaces (2a-3, 2b-3) and both side surfaces (2a-4, 2b-4) of the front electrodes and are opposite each other via a gap (4b) communicating with the gap (4a), and an electrostatic protective film (5) which has a center portion (5c) and two side portions (5a, 5b) such that the center portion (5c) is provided at the gaps (4a, 4b) and both side portions are overlapped onto the upper surfaces (21a-2, 21b-2) of the glass films, and the material of the front electrodes is a copper-nickel film or a copper-nickel-silver film.

Description

technical field [0001] The invention relates to an electrostatic protection component and a manufacturing method thereof. Background technique [0002] In recent years, electrostatic protection components have been employed to protect electronic equipment from overvoltage caused by external noise and the like. The electrostatic protection element has surface electrodes facing each other across a gap, an electrostatic protection film provided in the gap, and the like, and in the electronic device, the electrostatic protection element is disposed between a line to which the overvoltage may be applied and a ground. , when the overvoltage is applied to the line, a discharge is generated between the surface electrodes (that is, the electrostatic protection film), thereby protecting the electronic device from the overvoltage. [0003] In order for the electrostatic protection component to reliably perform the electrostatic protection function, it is required that the electrostati...

Claims

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Application Information

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IPC IPC(8): H01T4/10
CPCH01T4/10
Inventor 若狭孝宏平野立树户田笃司
Owner KAMAYA ELECTRIC
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