An electrostatic suppressor with electrostatic protection function

Abstract

The application relates to the field of the electrostatic device, and especially relates to an electrostatic suppressor with an electrostatic protection function. The electrostatic suppressor comprises a substrate, electrodes arranged at the periphery of the substrate; the electrodes comprise an inner electrode and an outer electrode; the inner electrode comprises first inner electrodes arranged at a left side and a right side of the substrate, and second inner electrodes distributed at an upper side and a lower side of the substrate, and the outer electrode is arranged at the external of eachfirst inner electrode; a first tin coating is coated at the external of each outer electrode, and a first nickel coating is coated at the external of each first tin coating; an insulation layer is arranged at the external of the second inner electrode, and a pressure-sensitive material layer is arranged between the second inner electrode and the insulation layer. The finally obtained product is low in capacity, small in current leakage, low in triggering voltage, good in stability, and fast in response speed, and has over-current and over-voltage dual-protection function, and the electrostatic suppressor has high reliability degree on the circuit safety protection.

Description

technical field [0001] The present application relates to the field of electrostatic devices, in particular to an electrostatic suppressor with an electrostatic protection function. Background technique [0002] Static electricity is a phenomenon that exists on the surface of an object and reflects that its positive and negative charges are out of balance in a local area. It is mainly generated through physical processes such as contact and separation of substances, electrostatic induction, medium polarization, and the attachment of charged particles. High, the duration is very short, and the release energy is not strong. With the development of electronic component technology, the harm caused by static electricity to the application of components is becoming more and more obvious. The purpose of introducing electrostatic protection components is to prevent the working circuit from being damaged by electrostatic discharge. The component must not only absorb electrostatic cu...

AI Technical Summary

Problems solved by technology

[0004] Most of the protective layers of the above-mentioned electrostatic suppressors use thermoplastic resins made of polymer materials, and epoxy resins, as a representative of such materials, are widely used because of their advantages of electrical insulation and high heat resistance, but their After curing, it has a certain degree of plasticity, cannot be subjected to pressure, and its high temperature resistance becomes unstable

Therefore, the material system of the protective layer has certain defects in high temperature resistance, mechanical properties and anti-aging, which will reduce the reliability of the material, resulting in the increase of leakage current under normal working voltage, which will affect the normal operation of the entire electronic circuit

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