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Circuit module

A technology of circuit modules and circuit substrates, applied in circuits, electrical components, emergency protection devices, etc., can solve the problems of heat generation, high temperature, and air expansion of fusible conductors, and achieve the effect of being difficult to damage

Pending Publication Date: 2021-09-21
DEXERIALS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if the structural parts of the fuse element are covered with a case, the inside of the case becomes high temperature due to heat generated when the fusible conductor is fused due to overcurrent, etc., and the air inside the case sometimes expands rapidly

Method used

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Embodiment Construction

[0023] Hereinafter, embodiments of the circuit module of the present invention will be described in detail with reference to the drawings as appropriate. In the drawings used in the following description, in order to facilitate understanding of the features, the feature parts may be enlarged for convenience, and the dimensional ratio of each component may be different from the actual ones. Materials, dimensions, and the like illustrated in the following description are examples, and the present invention is not limited thereto, and can be implemented with appropriate changes within the range in which the effects of the present invention are obtained.

[0024] figure 1 It is a plan view of the circuit module according to one embodiment of the present invention. figure 2 Yes figure 1 The II-II line sectional view, image 3 will be figure 1 The fuse element shown is a plan view omitting the housing, Figure 4 Yes figure 1 Perspective view of the fuse element shown.

[002...

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Abstract

A circuit module (1) is provided with a circuit board (2), an insulating protective member (3) disposed on the circuit board (2), and a fuse element (4) mounted on the circuit board (2) with the insulating protective member (3) interposed therebetween, wherein: the fuse element (4) is provided with an insulating board (40), and a case (50) covering a surface of the insulating board (40); the case (50) has a through hole (52) in a side surface (51); and the fuse element (4) is disposed inward of an outer periphery of the insulating protective member (3) as seen in a plan view.

Description

technical field [0001] The present invention relates to a circuit module mounted with a fuse element. [0002] This application claims priority based on Japanese Patent Application No. 2019-024470 filed in Japan on February 14, 2019, the contents of which are incorporated herein. Background technique [0003] Currently, fuse elements are used as protection elements for various electric devices equipped with secondary batteries, such as electronic devices such as mobile phones and portable computers, and rechargeable electric devices. As a fuse element, there is known a fuse element that includes a first electrode and a second electrode formed on the surface of an insulating substrate, is connected between the first electrode and the second electrode, and cuts off the space between the first electrode and the second electrode by fusing. A fuse element of the structure of a fusible conductor. In the fuse element having such a structure, when an overcurrent flows through the ...

Claims

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Application Information

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IPC IPC(8): H01H85/175H01H37/76
CPCH01H37/76H01H85/175
Inventor 小森千智米田吉弘
Owner DEXERIALS CORP
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