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Electromagnetic shielded cable

An electromagnetic shielding and cable technology, which is applied in the direction of insulating cables, communication cables, cable conductor structures, etc., can solve the problems of low production speed and high production cost of electromagnetic shielding cables, and achieve strong shielding effect and good electrical conductivity.

Active Publication Date: 2007-12-19
BEIJING FUNATE INNOVATION TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shielding layer formed by the above-mentioned metal wire braiding and metal film rolling is far lower than the production speed of the cable core, which is the main factor limiting the mass production of electromagnetic shielding cables. In addition, a large number of metal wires or metal film materials are suitable As a shielding layer, the production cost of electromagnetic shielded cables is also high

Method used

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  • Electromagnetic shielded cable

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Embodiment Construction

[0012] The structure of the electromagnetic shielding cable of this embodiment will be described in detail below with reference to the accompanying drawings.

[0013] The electromagnetic shielding cable of the present invention comprises at least one cable core, at least one insulating medium layer covering the outer surface of the cable core, at least one shielding layer and an outer sheath.

[0014] Please refer to Fig. 1, the electromagnetic shielding cable 10 disclosed by the first embodiment of the present invention is an electromagnetic shielding coaxial cable, which includes a cable core 110, an insulating medium layer 120 coated on the outer surface of the cable core 110, and an insulating medium layer coated on the outer surface of the cable core 110. The shielding layer 130 on the outer surface of the layer 120 and the outer sheath 140 covering the outer surface of the shielding layer 130 . The insulating medium layer 120 , the shielding layer 130 and the outer sheat...

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Abstract

This invention relates to an electromagnetic screen cable including at least a core, at least one insulation dielectric layer wrapping the surface of the core, at least a screen layer wrapping at least one core and an outer jacket covering the screen layer, in which, the screen layer is made of polymer material scattered with carbon nanometer tubes.

Description

technical field [0001] The invention relates to a cable, in particular to an electromagnetic shielding cable. Background technique [0002] Electromagnetic shielding (Electro Magnetic Interference, EMI) cables are more commonly used signal transmission wires in the electronics industry. Electromagnetic shielding cables with micron size are more widely used in IT products, medical instruments, and space equipment. There are two conductors inside the traditional cable, the inner conductor is used to transmit electrical signals, and the outer conductor is used to shield the transmitted electrical signals and seal them inside, so that the cable has low high-frequency loss, strong shielding and anti-interference capabilities, Features such as frequency bandwidth are used. [0003] In general, the structure of electromagnetic shielded cables from the inside to the outside is the cable core forming the inner conductor, the insulating medium layer covering the outer surface of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B11/06H01B11/18H01B7/17H01B3/44H01B3/42H01B3/30C09J123/08
CPCH01B11/1808H01B11/1066
Inventor 刘亮姜开利范守善陈清龙李锡福陈杰良
Owner BEIJING FUNATE INNOVATION TECH
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