Buckling spring
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A buckling spring is a type of keyswitch mechanism that was popularized by IBM through its keyboards for the PC, PC/AT, 5250/3270 terminals, PS/2, and other systems. It was used by IBM's Model F keybo
Unicomp Model M with removed z key. The exposed buckling spring is visible.
IBM Model F (left) and Model M (right) keyboard springs
Keyboard technology
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The technology of computer keyboards includes many elements. Many different keyboard technologies have been developed to meet consumer demands and optimized for industrial applications. The standard f
Keyboard construction of a typical notebook computer keyboard, in four layers
A typical membrane assembly
Atari 400 keyboard
Most keyboards are rigid, but this keyboard is flexible.