Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Coaxial cable

A coaxial cable and relative permittivity technology, which is applied in the manufacture of coaxial cables, coaxial cables/analog cables, insulated cables, etc., can solve the problems of reduced lateral pressure resistance of the insulating layer and difficulty in maintaining the shape of the foam , to achieve the effect of reducing the dielectric constant, reducing the delay time, and reducing the dielectric loss tangent

Inactive Publication Date: 2013-02-13
POLYPLASTICS CO LTD
View PDF4 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, foaming may reduce the lateral pressure resistance of the insulating layer, which may cause difficulty in maintaining the shape of the foam

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Coaxial cable
  • Coaxial cable
  • Coaxial cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0113] Hereinafter, although an Example and a comparative example are shown and this invention is demonstrated concretely, this invention is not limited to these Examples.

[0114]

[0115] [Cyclic Olefin Resin]

[0116] ・Manufactured by TOPAS ADVANCED POLYMER, brand names: TOPAS8007F-04, TOPAS6013S-04, TOPAS6015S-04

[0117] ・ZEON Co., Ltd., product name: ZEONOR 1060R

[0118] The elastic modulus, specific gravity, dielectric constant, and dielectric loss tangent of the above-mentioned cyclic olefin resin were measured. The modulus of elasticity is determined according to ISO 178. Dielectric properties (dielectric constant, dielectric loss tangent) were measured at 23°C by the cavity resonator perturbation method using Network analyzer 8757D manufactured by Agilent and a cavity resonator complex dielectric constant measuring device manufactured by Kanto Electronics Co., Ltd. Relative permittivity at 3GHz, 10GHz. In addition, during the measurement, the insulating layer ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
flexural modulusaaaaaaaaaa
elastic modulusaaaaaaaaaa
compressive strengthaaaaaaaaaa
Login to View More

Abstract

To provide a coaxial cable for high frequency transmission in which an insulator layer formed to cover the inner conductor in the coaxial cable has sufficient lateral pressure resistance, and low attenuation in transmission. [Means for Solving the Problem] Foam molding of a resin composition containing a cyclic olefin-based resin, and a low density polyethylene and / or a linear low-density polyethylene enables formation of an insulating layer that has a high extent of foaming, and is excellent in mechanical strength, as compared with conventional insulating layers. Consequently, the insulator layer formed by covering the inner conductor in a coaxial cable will have a low dielectric dissipation factor and relative permittivity, whereby a coaxial cable for high frequency transmission that is excellent in transmission characteristics and mechanical characteristics can be provided.

Description

technical field [0001] The present invention relates to a coaxial cable using a cyclic olefin resin. Background technique [0002] In recent years, there has been an increasing demand for broadband communication such as mobile phones, the Internet, and wireless LANs (Local Area Networks). In addition, in order to transmit information at a higher speed and in large quantities, the frequency increase of electric signals is progressing remarkably. Therefore, a coaxial cable with a small amount of attenuation in a high frequency band and a small signal delay is required. [0003] A coaxial cable is mainly composed of a central conductor, an insulator layer provided thereon, and an outer conductor provided on its outer periphery. Low attenuation in high-frequency bands is important, and it is most effective to reduce the dielectric loss tangent of the insulating layer for realizing high-frequency coaxial cables. In addition, foaming is effective for further reducing attenuatio...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H01B11/18H01B3/44H01B7/02
CPCH01B13/016H01B3/441H01B11/1839
Inventor 谷北真澄芹泽肇
Owner POLYPLASTICS CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com