Insulation Film Of A Signal Transmission Line And Signal Transmission Line Comprising The Same

A transmission line and insulating film technology, applied in the field of signal transmission lines, can solve the problems of high dielectric constant and dielectric loss, poor transmission efficiency, etc., and achieve the effect of low dielectric constant, small signal loss, and low dielectric loss

Active Publication Date: 2016-03-23
TAIFLEX SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the prior art, most flexible flat cables use polyester resin as the adhesive layer of the insulating film, and the dielectric constant and dielectric loss of polyester resin are relatively high.
Therefore, the flexible flat flat cable of the prior art has poor transmission efficiency when transmitting high-frequency signals

Method used

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  • Insulation Film Of A Signal Transmission Line And Signal Transmission Line Comprising The Same
  • Insulation Film Of A Signal Transmission Line And Signal Transmission Line Comprising The Same
  • Insulation Film Of A Signal Transmission Line And Signal Transmission Line Comprising The Same

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Embodiment Construction

[0026] The insulating film of the new signal transmission line and the signal transmission line including the insulating film will be further described in detail below with reference to the accompanying drawings and embodiments of the present invention.

[0027] Please refer to figure 1 , is a schematic diagram of the insulating film of the signal transmission line of the present invention. Such as figure 1 As shown, the insulating film 100 of the signal transmission line of the present invention includes a base material layer 110 and an adhesive layer 120 . The base material layer 110 may be formed of PET, PEN, PPS, PI, PA and other materials. The thickness of the substrate layer 110 is between 4 microns and 100 microns, and the thickness of the substrate layer 110 is preferably between 12 microns and 75 microns. The following layer 120 is disposed on the substrate layer 110, and the following layer 120 is used to directly cover the metal conductor of the signal transmissi...

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Abstract

An insulation film of a signal transmission line includes a substrate layer, and a bonding layer arranged on the substrate layer for directly covering metal conductors of the signal transmission line, wherein the bonding layer is made of a polyolefin copolymer resin or a polyolefin resin mixture.

Description

technical field [0001] The invention relates to an insulating film of a signal transmission line and a signal transmission line comprising the insulating film, in particular to an insulating film of a signal transmission line capable of improving high-frequency signal transmission efficiency and a signal transmission line comprising the insulating film. Background technique [0002] In recent years, flexible flat cables have been used in electronic devices such as car navigation systems, flat-panel display devices, and computer motherboards to transmit high-frequency signals. Generally speaking, a flexible flat flat cable includes a plurality of metal wires and a pair of insulating films for covering the metal wires. The dielectric constant and dielectric loss of the insulating film will affect the characteristic impedance of the flexible flat cable, thereby affecting the transmission efficiency of the flexible flat cable. For example, the higher the dielectric constant of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J7/02C09J123/08H01B11/06H01B7/02H01B7/295H01B3/44
CPCH05K1/118H05K3/386H05K1/0237
Inventor 王富民洪宗泰邓伊玲田丰荣李育宪洪子景
Owner TAIFLEX SCI
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