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What is the main structure of a membrane switch?

Views: 0     Author: Site Editor     Publish Time: 2021-08-31      Origin: Site


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Over the years, an increasing number of electronic products have started to appear. The membrane switch we are going to introduce today can be said to be a typical product of the times. The membrane switch is an operating system that integrates key functions, indication components and instrument panels. In this article, we will briefly introduce and analyse the main structure and use of membrane switches.


OEM Membrane Switches with Customized Ribbon Cable

What are the precautions for using membrane switches?

The structural components of a membrane switch

Where can I see membrane switches?


What are the precautions for using membrane switches?


Membrane switches are a product of social and technological development. When using membrane switches, we need to pay attention to a number of things to avoid its service life being affected. For example, membrane switches are stored in a room at room temperature and should be dustproof and moisture-proof, with no acid, alkaline or other corrosive gases in the surrounding air. In addition, the transparent film on the front and back of the membrane switch protects the display window of the membrane switch and should not be easily torn off.


The structural composition of a membrane switch


Panel layer

The panel layer is generally made by screen printing fine patterns and text on colourless translucent sheets such as PET, PC, etc. The main role of the panel layer is to identify and key the role of the key, and the materials chosen have strict requirements.


Surface layer

The main role of the surface adhesive layer is to closely connect the panel layer with the circuit layer, in order to achieve the effect of sealing and connection, the general requirements of this layer thickness between 0.05 - 0.15MM, with a high degree of adhesion and anti-aging properties. In the production, generally use special membrane switch double-sided adhesive, some membrane switch requirements can be waterproof and high temperature.


Control circuit upper and lower layers

This layer uses a good performance of polyester film (PET) as the carrier of the switch circuit graphics and screen printed on it with a special process of conductive silver paste and conductive carbon paste, so that it has conductive properties.


Sandwich layer

It is in the upper circuit and the lower circuit layer between and play a role in sealing and connecting, generally using PET double-sided adhesive.


Backing layer

The use of adhesive backing is closely related to the material to which the membrane switch is attached, and is more often used with ordinary double-sided adhesive, 3M adhesive, waterproof adhesive, etc.


The above is the basic components of membrane switches, membrane switches have a strict structure, beautiful appearance and good sealing. It is moisture-proof and has a long service life. In the production process of membrane switches, its raw materials and processes have received strict supervision, all to ensure the quality of membrane switches.


Where can I see membrane switches?


With the development of the times, membrane switches have been seen almost everywhere. They have been widely used in intelligent electronic measuring instruments, computer controls, digital machine tools, industrial controllers, industrial scales and other scenarios. It is also widely used by many companies because of its resistance to friction, water, dust, harmful gases, long service life and stable performance.


Membrane switch is a product of social and technological development. With many advantages such as beautiful appearance, ease of use, moisture and corrosion resistance, and extremely long service life, membrane switch has been widely used in various scenarios. Through the above introduction, do you have a better understanding of membrane switches? As one of the subsidiaries with rich experience in one-stop service for nameplates, hardware stamping parts, machined parts, LOGO and assembly, Dongguan Maxswall is one of the leading manufacturers of membrane switches. Our team has strict quality control of any product. We adhere to the "integrity, cooperation, win-win" as the principle of cooperation, "family, cohesion, morality, attitude" as the corporate culture. If you need to know more information about our products, please contact us promptly and we will provide you with the best service.


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