Antibacterial keypad, useful in medical operating theater, x-ray imaging, general practice or industry, has covering film with perceptible round humps containing nano-silver in keying positions

摘要

In antibacterial, film-covered keypad with integrated spring contact disks on support plate, outside of film has perceptible round humps containing nano-silver as active substance, releasing silver ions at low humidity to kill bacteria and germs; film is laminated on stabilizing, screening front plate; covering design film is laminated on support plate with spacing and circuit films; contact disks are fixed in spacing film recesses; and keys are operated through design film onto circuit film.