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Electromagnetic covering lid frame and electromagnetic shielding system

An electromagnetic, cover-frame technology, applied in the fields of magnetic field/electric field shielding, electrical components, rack/frame structure, etc., can solve problems such as unsolved side effects of flat panel 26

Inactive Publication Date: 2008-12-03
I-CHIUN PRECISION IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

compared to Figure 1A The shielding cover 1, although the shielding cover 2 has been greatly improved, it still does not solve the side effects caused by the design of the flat plate 26 position

Method used

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  • Electromagnetic covering lid frame and electromagnetic shielding system
  • Electromagnetic covering lid frame and electromagnetic shielding system
  • Electromagnetic covering lid frame and electromagnetic shielding system

Examples

Experimental program
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Embodiment Construction

[0024] see Figure 2A , Figure 2A is a schematic diagram illustrating the electromagnetic shielding cover frame 3 according to the first preferred embodiment of the present invention. The electromagnetic shielding cover frame 3 of the present invention includes an outer frame 32 and a lift-off top plate 34 . The outer frame 32 has an edge 322, and the edge 322 is divided into a first portion 322a and a second portion 322b. The detachable top panel 34 is only connected to the first portion 322a through a connecting portion 36 (shown in dotted line). The connecting portion 36 includes two hollows 362 and three non-hollowed areas 364 . see also Figure 2B , Figure 2B is to draw Figure 1A Enlarged view of the circle X in the middle. The hollow 362 is a slit. A pre-break 366 can be formed on each non-hollowed out area 364, such as Figure 2B shown. Both the pre-cut 366 and the hollow 362 facilitate the removal of the detachable top plate 34 . It is worth mentioning tha...

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PUM

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Abstract

The invention discloses an electromagnet shielding cover frame which comprises an external frame and a folding-away type top plate that is connected with part of the border of the external frame by a connecting part. The connecting part comprises at least one cutout or one pre-breaking. After the electromagnet shielding cover frame is fixed on a circuit board, the folding-away type top plate can be removed, in favor of the subsequent assembling procedures of the circuit board. In addition, a top lid is covered on the external frame to provide electromagnet shielding for electronic elements in the external frame.

Description

technical field [0001] The present invention relates to an electromagnetic shielding cover frame and an electromagnetic shielding system, and particularly relates to an electromagnetic shielding cover frame and an electromagnetic shielding system with a lift-off top plate. Background technique [0002] With the advancement of the design and manufacture of electronic components, it is more and more serious that electronic components are interfered by external electromagnetic waves or emit electromagnetic waves to interfere with other electronic components. Therefore, the main electronic components are often covered with a metal cover to avoid this. question. Moreover, due to the introduction of automated manufacturing processes, the masking cover is also required to provide an area that can be absorbed by pick-and-place devices to realize automation. Although the general shielding cover itself has a flat top plate, which can be used by the pick-and-place device, it is often ...

Claims

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Application Information

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IPC IPC(8): H05K9/00H05K7/18
Inventor 周万顺蔡煜欣周孟贤
Owner I-CHIUN PRECISION IND CO LTD