Hot melt and silicone potting and encapsulation for automotive sensors – protected by Openair® Plasma activation

Smart control systems interface with their surroundings by means of sensors. These sensitive electronic devices have to be protected against all environmental factors and especially against water (corrosion). To achieve this protection, the common practice in industry is to insulate the parts using hot melt or silicone potting and encapsulating compounds.

Regensensor vergossen/ unvergossen
Rain sensor, with/without encapsulation
Regensensor montiert
Rain sensor, mounted

Through prior activation (plasma activation) of the electronic components and cable insulation sheaths, Openair® Plasma ensures that the compounds will adhere securely and provide an absolutely tight seal around the device.

Novotechnik

Openair® Plasma – prerequisite for reliable distance and angle sensors

To increase production of its sensors for the automobile industry and machine building, Novotechnik changed its surface treatment technology. Instead of low pressure plasma and vacuum chambers, a shift was made to inline Openair® plasma, which tripled throughput.

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