This file type includes high-resolution graphics and schematics when applicable. Soon after membrane keyboards and switches were invented 30 years ago, they were ridiculed as a low-cost but unreliable ...

Joseph Schwartz from The Bergquist Co. shows Lee Teschler of Machine Design magazine the advantages of heat-sealed membrane switches over pressure sensitive adhesive (PSA) membrane switches in harsh ...

GGI Solutions has acquired the U.S. membrane switch business of Bergquist Co, an affiliate of German consumer goods group Henkel AG & Co. Terms weren’t disclosed. GGI, a Montréal-based designer and ...

One style of low-profile keypad assembly is the conventional flexible membrane keypad where the switch circuitry is screen-printed. Silver conductive polymer inks are printed onto 1.25 mm (0.005 ...