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Polyester film protects keys from the environment

A MacDermid Autotype product story
Edited by the Engineeringtalk editorial team Jun 13, 2005

One of Europe's leading membrane keyboard manufacturers uses Autotex polyester film to produce keypads for use in environments subject to high levels of dust or humidity.

The industry leading Autotex polyester film from Autotype International is being used by Hoffmann+Krippner, one of Europe's leading membrane keyboard manufacturers, to enable the company to produce keypads for industrial and computer equipment for use in demanding environments, that are subject to high levels of dust or humidity.

The high quality structured polyester film, Autotex, is 150um thick, and consists of a polyester base and a flexible, chemically bonded UV-cured coating.

Developed to withstand continuous use in harsh operating environments, the film offers high levels of resistance against conditions of severe mechanical stress, as well as resistance to most chemical substances and cleaning agents.

The surface structure of Autotex is ideally suited for the touch-sensitive lens-shaped key tips that are formed in the Hoffmann+Krippner keyboards using a patented process called GT Technology.

This enables the manufacture of raised, optically clear tips that have excellent mechanical characteristics and provide superior tactile response, making the new keyboards ideal for applications where large volumes of data are being entered.

In recognition of the new keyboards' features and appealing aesthetic qualities Hoffmann+Krippner was recently awarded the coveted "Red Dot" award from Design-Zentrum NRW, Design Centre, North Rhine Westphalia.

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