Advantages and characteristics of screen printing nameplate film switch:

The key cost of the screen printing nameplate membrane switch is relatively low, and it is also very simple in production. However, the quality of the finished product is also doubtful, attracting people's attention. Thin film switches are very common in our life. There are not many switch buttons, but Mark is very clear, the key function is that you can easily distinguish the thin film switch. After the viewpoint of the thin film switch circuit, it is found that the structure of the thin film switch consists of upper, middle and lower layers, and the printed circuit with conductive coating is used in the two layers, there will be a corresponding contact at the bottom of each key, a layer of isolation in the middle, and a circular contact (Or hollowed out) , Pressure cap, Unicom circuit two layers to complete, generate the corresponding signal. There are two kinds of membrane switch button structures that can be divided into two different structural volcanoes and scissors, which are the key to the most commonly used volcano planning and the key to the upward button interface. Silicone caps are used to directly touch the bottom, due to the influence of the key length on the column of the hand elastic silica gel cap, the key high key cap of the volcanic structure, and the key of the long process design, excellent response is obtained. One disadvantage is that, the body must be thicker, the use of keys is not very stable, and when it is easy to shake, it does not feel very good on the hand. There are many different buttons on the membrane switch. The keys on the thin film switch represent different functions, and their shapes and sizes will also be different. Membrane switches are common in life.

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