LANXESS has developed a new concept for radar sensors with integrated thermal management that will benefit autonomous driving.
For a radar sensor, this new concept from LANXESS involves the following individual components: a front cover (“radome”), radar absorber, PCB – including antennas – and back cover with an integrated cooling element. The radome faces away from the vehicle and has to be made from a plastic offering a high degree of transmission for the radar waves.
Gregor Jaschkewitz, application developer, the High Performance Materials (HPM) business unit, LANXESS, says that, they developed a concept that allows heat to be dissipated by means of thermally conductive plastics in combination with metallic cooling elements. He adds that, the individual sensor components are assembled using integrated snap fits and hot rivets, a process that is much less costly and time-consuming than using screws.
Another benefit of the hybrid design is that the metallic cooling element shields the electronics inside the radar sensor against electromagnetic radiation, which means that its function is not impaired by external radiation. The assembly can be sealed with O-rings or sealing lips created in a two-component injection moulding process.
LANXESS believes that sensors for driver assistance systems will offer a wealth of opportunities for its Durethan polyamides and Pocan polyesters. HPM has pooled its extensive knowhow in material, application, process and technology development under the HiAnt brand in order to support partners and customers in projects.
LANXESS is a leading specialty chemicals company with core business of development, manufacturing and marketing of chemical intermediates, additives, specialty chemicals and plastics. LANXESS is listed in the leading sustainability indices Dow Jones Sustainability Index (DJSI World and Europe) and FTSE4Good.
Image Source: Lanxess Press Release
Source: Lanxess Press Release
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