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Embossed keys & non-tactile membrane switch

Feature:The keys of the graphic overlay are embossed, but there is no poly dome or metal dome in the switch, so they are non-tactile. The service life is longer than the keys with strong tactile feeling. What’s more, the quality is steady and there is little poor contact.

Embossed keys with poly dome in the top circuit membrane switch

Feature: The keys of the graphic overlay are embossed, and the poly dome is in the top circuit. The graphic overlay and top circuit are taken the method of hot pressing to make the keys form into the hemisphere. so when you press the keys, there is a strong tactile feeling.

Embossed keys with sheilding layer membrane switch

Feature: The keys of the graphic overlay are embossed. Concerning about the sheilding & top circuit layer, silver points are printed in the back of sheilding layer. Without poly dome or metal dome, when you press the embossed keys, there is no tactile feeling. But if you require the tactile feeling, we can add the poly dome in the back of the embossed keys. In addition, the sheilding function has stong ability of anti electrostatic interference performance and make the whole machine work well.

Flat keys non-tactile membrane switch

Features: The keys of the graphic overlay are flat, there are some flat silver point on the top circuit layer, when you press the keys, the whole circuit is in on-state. In addition, there is a light feeling and high sensitivity of the keys. The service life is much longer than the keys with strong tactile feeling. What’s more, the quality is steady and there is little poor contact. Disadvantage: There is no obvious tactile feeling, so the pressure result should be based on the sound signal or indicator lights given by the machine.

LED & Resistive intergrated membrane switch

Feature: The keys of the graphic overlay are embossed, the poly dome is in the graphic overlay, the flat silver point is printed in the top circuit layer. The LED & Resistive are intergrated in the bottom circuit layer, and there will be a hole for LED in every layer. Besides, there is a window embedded for LED in the graphic overlay. Meanwhile, the LED intergrated membrane switch strengthens the direction functions of the switch, which helps us find the switch easily, and broadens the scrope of the applications of the membrane switch. And the fashionable appearance with LED can be more attractive. Disadvantage: The LED is completed by the technology of SMT, so the seismic performance is a little poor, which makes the using environment special.

Metal dome tactile membrane switch

Feature: The keys of the graphic overlay are embossed, the metal dome is embedded in the circuit layer, and there is a retainer covering the metal dome. The appearance of this kind of membrane switch is stereoscopic. When you press the keys, there is a strong tactile feeling and the time of the keys snap-back is very short. There is no need for the operator to judge whether the switch is turned on by the sound signal or indicator lights given by the machine. Disadvantage: The service life will be limited by the metal dome, of which, the using number of the times is about 200,000.

Single circuit membrane switch with poly dome in graphic overlay

Feature: The keys of the graphic overlay are embossed, the poly dome together with the silver point printed in the back of the keys is in the graphic overlay. It is the simplest design and cost-effective.

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Telephone: +86-25-52104047 Ex. 806
Fax:+86-25-52104047 Ex. 800
Email: sales01@flexkys.com
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