| Flat
A flat membrane keyboard is a contact-activated switch with smooth surface. These elements are characterised by the fact that their manufacturing and operation offer great simplicity and reliability. |
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Relief or Preformation Preformation keyboards are keyboards with relief on their surface. This particular feature offers improved aesthetic perception and allows better orientation when typing (for example: blind people, etc.). They can be manufactured in different relief finishes. |
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| Tactile function | . | |||
| A metal dome yielding the tactile effect is introduced between the frontal plate and the connecting circuit, so that |
Printed circuit
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| the keyboard offers a tactile feel which guarantees effective realisation of each function. | The keyboard is incorporated on a ACB board allowing the insertion of integrated-type electronic components which cut down costs and offer the reliability of printed circuits | |||
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and the advantages of traditional membrane keyboards. | |||
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