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Richard Woehr is using MacDermid Autotype’s specialised hard-coated film technology to solve reliability issues related to membrane keyboards.

The keyboards were from KM-Gehaeusetech, which Richard Woehr recently acquired.

’Our customers rely on our services and we work closely with them to determine the thickness, surface structure and ink adherence of the film required according to the specifications the product demands,’ explained Karin Ferenbach of Richard Woehr.

’The films used by KM-Gehaeusetech came from various manufacturers around the world and didn’t meet the quality standards that we have come to expect.

’In particular, there were issues with embossed panel areas and membrane keys fracturing due to mechanical stresses, plus poor adhesion of the under-surface printing inks and inferior chemical resistance,’ he said.

Having previously had excellent results using MacDermid Autotype’s Autotex hardcoated film substrates, Richard Woehr converted to using them for the front-panel graphics, tactile membranes and circuit-switch layers of the membrane keyboards and graphics panels produced by KM-Gehaeusetech.

The hard-coated polyester-based Autotex films feature long flex life and excellent resistance to chemicals, UV light, high humidity, temperature, and mechanical wear and tear.

They can easily be integrated into clear display windows and be easily embossed, while their availability in textured finishes for screen, ink-jet and digital printing make the foils hard-wearing and high-performing.

MacDermid Autotype

MacDermid Autotype is a world-leading industrial manufacturer of coated films and blended liquids for use in the printing, automotive and electronics industries. Founded in 1868, Autotype draws from its wealth of history embracing leading-edge technology combined with exceptional applications to help support its customers to succeed.

For over 140 years we have been leading innovators of high-quality precision coated films. Our product ranges include overlay films for membrane touch switches, stencil products and cleaning chemicals for screen printing, products for film insert moulding (FIM/IMD) and graphic display films.

Our extensive expertise in precision coating technology enables us to transform and enhance the performance of films for many high-tech and demanding applications.

We are committed to supplying products that meet our customers' exacting designs and application requirements, manufactured to standards ensuring a consistency of performance that meets their full requirements.

Operating from global locations — England, Chicago, Singapore and Shanghai — enables us to maintain worldwide coverage through experienced and dedicated sales personnel, responding in real time to the changing needs of local markets.

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