The assembled plastic keypads (API) combine plastic keys with a silicone base. The plastic keys can be transparent with printing on the backside, spray-coated or metalization. The silicone base is made of translucent material giving an excellent backlighting.

As to the assembly there are several ways for attaching the keys to the silicone:

  • Transparent plastic keys, printed at the backside that are glued to the silicone
  • Plastic keys pushed onto the silicone (“push-fit”)

This type of keypad can be used in combination with PET- or metal domes and is widely used in mobile phones, automotive and payment terminals.

Main features:

  • If printing is at backside of keys: no abrasion of symbols
  • Very good backlighting
  • Dirt and grease cannot penetrate the key top

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