Membrane Switch Series – Wewin Tech Hardware Parts Customs

Membrane Switch Series

Introducing a sleek new electronic keypad system that combines key functions, indicators, and front panels in one!

The membrane switch is made up of six layers: graphic overlay, upper adhesive, top circuit, isolation spacer, bottom circuit, and back adhesive. When the upper circuit touches the lower one, the circuit closes, and when released, it bounces back, breaking the circuit and triggering a signal.

With its sturdy structure, stylish look, and excellent sealing, this membrane switch is moisture-resistant and built to last. It’s perfect for everything from electronics and medical devices to smart toys, cars, and household appliances!

Here’s how the membrane switch works:
When the key isn’t pressed, the switch is in an open state, with the upper and lower contacts disconnected, and the isolation layer keeping them apart. When you press the key, the upper circuit bends down and touches the lower circuit, completing the circuit and triggering the function.

Let go, and the upper circuit bounces back, breaking the connection and sending the signal.

MEMBRANE SWITCH PANLES LAYER DESIGN：

Membrane Switch with Metal Dome Key
This membrane switch uses a metal dome as the top layer. When you press the key, the dome’s center connects to the lower circuit, triggering a signal. Made of flexible stainless steel, the metal dome can withstand over a million presses.

The metal shrapnel keys offer a great feel and solid tactile feedback. JRPanel uses stainless steel cross shrapnel, available in sizes like 8.4, 10, 12, 14, and 16mm. For optimal finger press, a 10-12mm dome size is usually recommended.

Membrane Switch Application Fields

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