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Lohmann Develops Black Spacer Tape for Membrane Switches

Published on 2015-10-22. Author : SpecialChem

Fig. 1: Lohmann
Lohmann’s “Bonding Engineers” have developed a Black Spacer Tape (DuploCOLL 36050 BLK range) for the Membrane Switches industry. The double sided and with modified acrylate coated PET films prevent light from shining through parts of a Membrane Switch e.g. which are not meant to be illuminated. Since the LED lights within the Membrane Switches have become smaller and better glowing, Lohmann’s “Bonding Engineers” had to find a possibility of constructing and applying the light-blocking element in a way that prevents even diffuse light from shining through. This, they have achieved with the Black Spacers. The tapes are fixed between the printable switch and the transparent front decorative film in a way that, when activating the snap discs, light can get through only where it is needed. Besides, the DuploCOLL BLK range prevents the electronic interior from being seen. The Black Spacers are available in four different thicknesses, from 0.050 up to 0.150 mm.

But also an individual adaptation through lamination is possible. The black films are available on rolls, as sheets or as die-cut parts. This product can be used for printable electronics. This is mainly the case in the Membrane Switches industry, but applications for the Automotive industry e.g. are also possible. Since the future of printable electronics lies within the scope of organic printing, Lohmann’s “Bonding Engineers” are on the pulse of time with their DuploCOLL BLK range.

About Lohmann

As globally operating bonding engineers, Lohmann has demonstrated for many years and in numerous sectors that it only delivers the highest quality. Lohmann‘s name is synonymous with decades of expertise in adhesive bonds, innovative developments, the most up-to-date production processes and uncompromising customer focus.
The Lohmann group employs over 1600 staff across the world, all of whom work in line with well-defined values. Values that make us a promising and reliable partner.

Source: Lohmann

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