Conductive foam double-sided tape

Abstract

A kind of conductive foam double-sided adhesive tape, comprising a foaming substrate, the upper and lower surfaces of the foaming substrate are respectively provided with a first adhesive layer and a second adhesive layer; the surface of the foaming substrate is A plurality of first through holes are evenly arranged, and a boss is respectively arranged on the upper and lower surfaces of the foam base material at both ends of each first through hole, and the first through hole is connected with the boss; the surface of the boss and the middle of the first through hole A conductive material layer is connected to each other; a second through hole adapted to the shape and position of the boss is formed on the first adhesive layer and the second adhesive layer, and the boss is arranged in the second through hole Inside, the height of the boss is slightly greater than the thickness of the first adhesive layer or the second adhesive layer; the present invention integrates the functions of conduction, buffering and shock absorption, and can flexibly select a variety of adhesive materials, and has a simple structure. It can be die-cut at will, especially suitable for special occasions that require double-sided adhesive fixing or sealing.

Description

technical field [0001] The invention belongs to the technical field of electronic application tapes, and in particular relates to a conductive foam double-sided tape. Background technique [0002] With the development of science and technology, the integration and precision of electronic devices are getting higher and higher, and the requirements for electrostatic discharge and electromagnetic shielding of electronic devices are also gradually increasing. Therefore, the quality and functionality of conductive foam tapes are also raised. requirements. [0003] Conductive foam tape is a conductive foam with an adhesive layer on the surface; conductive foam tape refers to a conductive material such as a conductive cloth wrapped and covered on a foam substrate. After compound processing, it has good surface conductivity. It can play the role of buffer shock absorption, electromagnetic shielding, anti-static and so on. Foamed substrates typically require high elasticity and con...

AI Technical Summary

Problems solved by technology

[0005] At present, some conductive foam tape materials on the market have the following problems: (1) Most of the domestic all-round conductive foam tapes can only be pasted with conductive pressure-sensitive adhesives, or conductive particles are added to hot-melt adhesives, etc., which affect Adhesiveness also has a certain influence on the resilience performance of foam, and the overall performance of conductive pressure-sensitive adhesives such as cold resistance and durability is poor; Filament problems affect product yield and die-cutting efficiency; for foams coated with graphite layers, due to the high compressibility of the foams, the graphite layer is prone to cracking or even peeling off when the foam is greatly compressed during slitting; (3) When multiple die-cuts are made, the electrical and thermal conductivity of the foam tape after slitting may be greatly reduced or even lost

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