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Solving tough data entry issues
Textured polyester film from MacDermid Autotype's Autotex range is being used in membrane keypads made by Hoffmann and Krippner. The backlit keypads are installed in laser-optical precision alignment equipment, developed by Prüftechnik Alignment Systems.
Prüftechnik had stringent requirements for the control unit, which is used by industrial engineers to align motors, gearboxes and drive shafts during machine set up. The alphanumeric keypad had to be able to function reliably at all times. It also needed to be backlit, dust-proof and splash-proof to IP65 and be equipped with LEDs.
Sales manager at Hoffmann and Krippner, Wolfgang Beckert, explained: "The ergonomic keypad has three types of keys: navigation, data entry and function keys. We used Autotex from MacDermid Autotype for the membrane graphics and switch layers. The polyester based, hardcoated film offered durability under mechanical load, resistance to cleaning agents, scratch resistance and had an attractive appearance."
The resulting Rotalign Ultra product is now used in over 70 countries, with the Autotex-based data entry unit offering a simple and reliable method of operating the system.
http://www.macdermidautotype.com/
