Micro Switch In Computer Mouse

The micro switch in the mouse is a component triggered by a metal reed inside. After the button on the mouse is pressed, the metal reed in the micro switch triggers once. It sends a telecommunication signal to the computer before resetting.

There must be a micro switch under all the keys on the mouse, so the micro switch is the key of the mouse, and the key on the mouse shell only serves to facilitate the user to press the micro switch.

How it works:

The external mechanical force exerts a force on the action reed through the transmission elements ( pressing pins, Fart bronze, levers, rollers, etc. ). After accumulating energy to the critical point, an instantaneous action is generated so that the moving contact at the end of the action reed can quickly switch on or off from the fixed contact.

When the force on the transmission element is removed, the action reed generates a reverse action force. When the reverse stroke of the transmission element reaches the critical action point of the reed, the reverse action is instantly completed.

The micro switch has a small contact distance, fast action stroke, small pressing force, and quick on and off. The button is the key to affecting the mouse’s hand feeling.

After using the mouse for some time, there will often be some problems, including double click, continuous hit, or no action of the mouse. This is mainly due to the metal oxidation of the mouse button contacts and fatigue of the spring copper sheet, which requires replacing the micro switch inside. Unionwell focuses on micro switch, sealed micro switch development, and technological innovation and actively introduces high-reliability waterproof micro switch to the market.

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