KR19990041266A - Conductive Gasket and Electronic Device Having Same - Google Patents

Abstract

The present invention relates to a conductive gasket for blocking electromagnetic waves leaking through a gap between the metal case of the electronic device and the front panel, and an electronic device having the same.

Conductive gasket according to the present invention is elastically deformable elastic body; A flexible conductor surrounding the elastic body and conducting between the exterior parts of the electronic device; And means for fixing the elastic body and the conductor. The conductive gasket according to the present invention is easy to install and provides a means for effectively blocking electromagnetic waves while simplifying the internal structure.

Description

Conductive Gasket and Electronic Device Having Same

The present invention relates to a conductive gasket for blocking electromagnetic waves leaking through a gap between the metal case of the electronic device and the front panel, and an electronic device having the same.

In general, electromagnetic waves generated in internal circuits of various electronic devices are radiated to the outside through the air or conducted through power lines. These electromagnetic waves are known to cause noise and malfunction in the surrounding components or devices, and harmful effects on the human body. As circuits become more complicated due to the lighter, shorter, and smaller digitalization of electronic devices, the possibility of electromagnetic waves is rapidly increasing.

In general, an electronic device is composed of a front panel portion, a rear terminal portion, and a metal case surrounding the rest of the electronic apparatus. Since the metal case shields electromagnetic waves, electromagnetic waves do not leak, but electromagnetic waves are significantly leaked into the gap between the panel portion, the terminal portion, and the contact portion of the metal case.

In order to prevent the leakage of electromagnetic waves, conventionally, ring-wires are installed in the gaps and the ring-wires are grounded in various places inside the electronic devices. There was an uncomfortable problem.

It is an object of the present invention to provide a conductive gasket and an electronic device having the same, which are easy to install and which can effectively block electromagnetic waves while simplifying an internal structure.

1 is a front view of one embodiment according to the present invention;

2 is a perspective view of one embodiment according to the present invention; And

3 is an assembly diagram showing a relationship of assembling an embodiment of the present invention to an electronic device.

<Description of Symbols for Main Parts of Drawings>

1 conductive gasket 5 elastic body

10: conductor 15: double sided tape

20: front panel 22: case

The above object of the present invention, an elastically deformable elastic body; A flexible conductor surrounding the elastic body and conducting between the exterior parts of the electronic device; And means for fixing the elastic body and the conductor, and is achieved by a conductive gasket disposed between the electronic device exterior component.

Any of the thin and flexible conductors may be used as the above-described conductors, but in order to achieve a predetermined effect, the surface resistance is preferably 0.5 Ω / cm or less. A thin metal plate or the like may be used as the material, but considering the flexibility of the material, a sheet in which a metal such as copper is plated on the fiber sheet is particularly preferable. When using a metal plate or the like, it will be preferable to use a material that can prevent the functional degradation due to corrosion.

As the elastic body, an elastic material such as styrofoam, urethane foam, rubber, or the like may be used. The elastic body may be processed into a predetermined shape according to the shape of the electronic device exterior parts such as the case and the front cover, but is preferably molded into a rectangular shape having a predetermined thickness for versatility.

The gasket may be provided with a double-sided tape or the like to limit the relative movement with the exterior parts of the electronic device. This makes it simple and easy to fix the conductive gasket during assembly.

The above fixing means is a means for fixing them so that no slip occurs between the conductor and the elastic body. Double sided tape, adhesives and the like can also be used.

This object of the invention is also achieved by an electronic device having such a conductive gasket.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings, but the present invention is not limited to the embodiments.

1 is a front view of an embodiment according to the present invention. The urethane foam 5 of this embodiment is surrounded by a sheet 10 in which nickel and copper are plated on polyester, and a double-sided tape 15 is provided at the lower end. The separation strength of the double-sided tape 15 is about 1500g / 25mm. The surface resistance of the above-mentioned sheet is 0.06 / 0.01 (Ω / sq), thus having sufficient conductivity.

2 shows a perspective view of this embodiment. The length of this embodiment is approximately 10 cm, the width is 9 mm, and the thickness is about 3.5 mm. This is a dimension that can be inserted relatively easily into any electronic device.

Fig. 3 is an assembly showing the relationship in which the present embodiment is disposed between the front panel 20 and the case 22 of the electronic device. As can be seen from this figure, the gasket is disposed between the case 22 and the front panel 20 during assembly to conduct them therebetween.

The urethane foam is cut to the dimensions described above, then the adhesive is applied around it and wrapped in a polyester sheet. Finally, by attaching one side of the double-sided tape to the polyester sheet shown, the conductive gasket is completed.

The conductive gasket according to the present invention is easy to install and provides a means for effectively blocking electromagnetic waves while simplifying the internal structure. In addition, the electronic device using such a conductive gasket is not complicated in appearance even in a disassembled state, and is easy to assemble.

Claims (11)

Elastically deformable elastic bodies; A flexible conductor surrounding the elastic body and conducting between the exterior parts of the electronic device; And And a means for fixing the elastic body and the conductor, wherein the conductive gasket is disposed between the electronic device exterior parts. The conductive gasket according to claim 1, wherein the conductor is a sheet in which copper or nickel is plated on polyester. The conductive gasket of claim 2, wherein the surface resistance of the conductor is 0.5 Ω / cm or less. The conductive gasket of claim 1, wherein the elastomer is a urethane foam. The conductive gasket according to claim 3 or 4, wherein the elastic body has a rectangular shape having a predetermined thickness. The conductive gasket of claim 1 wherein means are provided for limiting the relative movement of the gasket relative to the enclosure of the electronic device. 7. A conductive gasket as set forth in claim 6, wherein said limiting means is a double sided tape. The conductive gasket of claim 1, wherein the fixing means is an adhesive. Elastically deformable elastic bodies; A flexible conductor surrounding the elastic body and conducting between the exterior parts of the electronic device; And And an electrically conductive gasket having means for fixing the elastic body and the conductor disposed between the exterior parts. The electronic device of claim 9, wherein the conductor is a sheet coated with polyester copper or nickel and has a surface resistance of 0.5 Ω / cm or less. The electronic device of claim 9, wherein the elastic body is a urethane foam and has a rectangular shape having a predetermined thickness.