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Screening arrangement and method for producing the same

A shielding device, electromagnetic interference shielding technology, applied in the direction of shielding, magnetic field/electric field shielding, instrument parts, etc., can solve the problem of reducing the shielding effect

Inactive Publication Date: 2012-10-31
LAIRD TECH (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In fact, two-part shields inevitably have a gap between the cover of the shield and the adjoining part of the frame, which can allow EMI to pass through, thereby reducing the shielding effect

Method used

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  • Screening arrangement and method for producing the same
  • Screening arrangement and method for producing the same
  • Screening arrangement and method for producing the same

Examples

Experimental program
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Embodiment Construction

[0029] The following description is merely exemplary in nature and is not intended to limit the disclosure, application or use of the invention.

[0030]In the description, certain terms are used herein for reference only and therefore are not meant to be limiting. For example, terms such as "upper," "lower," "above," "under," "top," and "bottom" refer to directions in the drawings to which reference is made. Terms such as "front", "rearward", "rear", "bottom" and "side" describe the orientation of parts of a component within a consistent and arbitrary frame of reference and describe the component in question by contrast This frame of reference is made clear by the text and associated figures. Such terms may include the words identified above, derivatives thereof and words of similar import. Similarly, the terms "first," "second," and other such numerals referring to structures do not imply a sequence or order unless clearly indicated by the context.

[0031] When introduci...

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PUM

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Abstract

The invention provides a shielding device and a method used for preparing the shielding device. One demonstration embodiment provides a shielding device which is applicable to providing electromagnetic interference shielding for one or more electric parts on a substrate; on the whole, the shielding device comprises a frame and a cover. In the demonstration embodiment, the frame comprises a side wall which restricts at least an opening along the upper part of the frame; the side wall is designed to almost surround one or more electric parts on the substrate; the cover comprises an upper surface which basically covers the frame and is provided with at least an opening and a spring finger-shaped part which almost suspends downwards from the upper surface. The internal side of the side wall of the frame is provided with an internal locking part which is used for being locked with the spring finger-shaped part of the cover, thus installing at least part of the cover to the frame, basicallycovering at least one opening restricted by the frame and leading the cover to be electrically connected with the frame.

Description

technical field [0001] The present invention relates generally to an electromagnetic interference (EMI) shielding arrangement, and more particularly to a shielding arrangement suitable for providing electromagnetic interference shielding for one or more electrical components on a substrate. Furthermore, the invention relates to a method for producing an electromagnetic interference shielding device. Background technique [0002] The statements in this section only provide background information related to the present disclosure and may not constitute prior art. [0003] In normal operation, electronic / electrical components in equipment often generate undesired electromagnetic energy that can interfere with the operation of adjacent electronic / electrical components due to EMI transmission through radiation. In order to eliminate or at least mitigate the adverse effects caused by EMI, shielding enclosures / devices may be used to provide EMI shielding for electronic / electrical ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K9/00G12B17/02
CPCH05K9/0032
Inventor 沈国良
Owner LAIRD TECH (SHANGHAI) CO LTD