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A kind of preparation method of discontinuous shielding tape

A non-continuous, shielding tape technology, applied in the direction of power cables with shielding layer/conductive layer, chemical instruments and methods, cables with twisted strands/twisted strands, etc., can solve the problem of single slit width, etc. Problems, achieve the effect of reducing signal strings, increasing diversity, and improving stretching performance

Active Publication Date: 2020-07-24
JIANGSU KEMAITE TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the slit width of the shielding tape is also single, and the tensile performance of the shielding tape needs to be further improved.

Method used

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  • A kind of preparation method of discontinuous shielding tape
  • A kind of preparation method of discontinuous shielding tape
  • A kind of preparation method of discontinuous shielding tape

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Embodiment Construction

[0055] Attached below Figure 1-7 , and further illustrate the technical solution of the present invention through specific embodiments.

[0056] Unless specifically stated, various raw materials of the present invention can be purchased commercially, or can be prepared according to conventional methods in the art.

[0057] like figure 1 As shown, the discontinuous shielding tape of the present invention includes a metal layer 1, a first polyester film layer 2 and a second polyester film layer 3 arranged in sequence from top to bottom, and the metal layer 1 is provided with a first slit 101 The slit widths of the first slit 101 and the second slit 102 are different from those of the second slit 102 . Wherein, the relative positions of the first slit 101 and the second slit 102 on the metal layer 1 can be arranged in parallel, such as figure 2 , 3 Shown; The relative positions of the first incision 101 and the second incision 102 can also be staggered, as Figure 4 shown....

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Abstract

The invention provides a discontinuous shielding tape and a preparation method thereof. The discontinuous shielding tape comprises a metal layer, a first polyester film layer and a second polyester film layer which are arranged sequentially from top to bottom, wherein the metal layer is provided with a first notch and a second notch; and the first notch and the second notch have different slit widths. The discontinuous shielding tape has a metal / film / film structure, and in comparison with the conventional discontinuous shielding tape with a metal / film structure, the damage of the laser energyto the film can be reduced in the case of metal cutting by the laser, the stretching performance of the shielding tape is improved, and as the first notch and the second notch with different slit widths are arranged, one-time processing is achieved, the diversity of discontinuous shielding tapes is enhanced, and signal crosstalk is reduced.

Description

technical field [0001] The invention belongs to the technical field of shielding tape processing, and relates to a discontinuous shielding tape and a preparation method thereof. Background technique [0002] Shielding tape is mainly used in wires and cables to play a shielding role and ensure signal transmission. The shielding tapes used by existing wires and cables on the market are usually composed of polyester film layers and aluminum foil layers. With this structural design, the static electricity on the surface accumulates relatively large. To reduce signal crosstalk, non-continuous shielding tape is widely used because it reduces charge buildup on shielded elements. Compared with conventional continuous shielding tape, discontinuous shielding tape eliminates the need for shield grounding, reduces the cost of installing shielded cables, and has unique advantages in the market. [0003] The structure of conventional discontinuous shielding tape is shielding unit / polyes...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B9/02H01B11/06B32B15/09B32B27/06B32B27/36B32B3/24B32B37/02B32B38/04
Inventor 虞家桢
Owner JIANGSU KEMAITE TECH DEV CO LTD
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