Rubber Dome Switches

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Rubber Dome Switches

Rubber dome switches are now the most common switch technology in keyboards. Rubber dome switches use small rubber coverings that are pushed down to complete a circuit. Their largest advantage is their considerably lower cost compared to mechanical switches. 

Rubber dome switches are quiet and vary in feel. Some rubber domes are tactile, with a bump above the actuation point, while others can feel mushy. Rubber domes also must be completely depressed – known as “bottoming out” (think: suspension system) – to register a keypress. Rubber dome switches use a number of different keycap mounting methods, and for this reason, finding replacement keycaps is not really possible. Rubber domes are not considered to be a mechanical switch.

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Author: Michael Kerns

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