Difference between revisions of "Rubber dome"

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(Expansion)
(Varieties: Correction and illustration)
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==Varieties==
 
==Varieties==
*Plain rubber dome: a stem is moulded into the keycap that pushes down on the dome; this is the most common variety including Topre switches
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[[File:Topre HHKB Switch.png|thumb|200px|Topre switch with the slider visible in black]]
*Domes with sliders: similar to a microswitch mechanical, each switch contains its own [[slider]] that presses on the dome, onto which the keycap is [[Keycap_mount|mounted]]; on some keyboards the slider has a standard U mount or Z mount interface and the board will accept keycaps from mechanical keyboards and donate keycaps for mechanical boards
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 +
*Plain rubber dome: a stem is moulded into the keycap that pushes down on the dome; this is the most common variety
 +
*Domes with sliders: similar to a microswitch mechanical, each switch contains its own [[slider]] that presses on the dome, onto which the keycap is [[Keycap_mount|mounted]]; on some keyboards the slider has a standard U mount or Z mount interface and the board will accept keycaps from mechanical keyboards and donate keycaps for mechanical boards. Dome switches with sliders are now uncommon, but this is the form taken by Topre switches
 
*Scissors: laptop keyboards introduced the use of [[Scissor switch|scissor-like]] mechanisms to stabilise low travel switches that lack a shaft for the keycap to slide inside
 
*Scissors: laptop keyboards introduced the use of [[Scissor switch|scissor-like]] mechanisms to stabilise low travel switches that lack a shaft for the keycap to slide inside
  

Revision as of 20:39, 27 September 2012

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Rubber dome is a type of keyboard switching technology that is most commonly used on modern keyboards, using collapsible rubber domes to provide resistance and tactility to keys. Most rubber dome keyboards use a membrane contact sheet below the dome to provide electrical switching, but certain rubber dome switches, such as Topre switches, use capacitive switching.

Varieties

Topre switch with the slider visible in black
  • Plain rubber dome: a stem is moulded into the keycap that pushes down on the dome; this is the most common variety
  • Domes with sliders: similar to a microswitch mechanical, each switch contains its own slider that presses on the dome, onto which the keycap is mounted; on some keyboards the slider has a standard U mount or Z mount interface and the board will accept keycaps from mechanical keyboards and donate keycaps for mechanical boards. Dome switches with sliders are now uncommon, but this is the form taken by Topre switches
  • Scissors: laptop keyboards introduced the use of scissor-like mechanisms to stabilise low travel switches that lack a shaft for the keycap to slide inside