Pushbutton switch key arrangement for keyboards having indicia

摘要: Pushbutton switch configurations are provided in which one or a plurality of pushbutton switches formed with integrated bases, actuating springs and key top structures to facilitate fabrication arrays such substantially unitary matrix line configuration. In preferred embodiment metal base is etched form spring frame patterns press into vertically extending supporting integral the plate desired Epoxy similar resin material can then be complete each switch. Suitable operating indicia surfaces contrasted as desired.