EMI/RFI protection of keypad is ensured by printing of one of the layers with conductive mesh having  separate contact point

Electromagnetic Protection of the display window can be achieved by placing in its area:

• ITO foil with external contact

• plastic plate combined to  a metal mesh with separate external electrical contacts

Electromagnetic Protection of enclosures

• Enclosure coverage with conductive paint

• Vacuum metallization

• Shielding inserts