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Automotive Radar Applications
The development of a stable dielectric performance and low modulus copper-clad laminate for automotive radar applications was described by Yonghyon Kim, senior engineer with Doosan Corporation Electro-materials.
He reviewed the technological trend for radar sensors and the laminate requirements for automotive radar operating at 77–79 GHz frequencies. To minimise mechanical stress, a low-modulus material is necessary, and he described a filled fluoroplastic material without woven glass reinforcement. This gives advantages in mechanical drilling together with dielectric uniformity and CAF-resistance as well as outstanding high-frequency performance, making it an excellent choice for automotive radar applications.
Kim gave a comprehensive list of material properties and examples of reliability test results, particularly heat aging and thermal cycling.
He concluded by demonstrating that the mega-trend toward smart mobility will necessitate hyper-connectivity and convergence in a whole series of industries, and described the range of copper-clad laminate material solutions offered by Doosan.
Conclusion
At the end of the day’s conference proceedings, we took a short bus journey to BMW World, where we saw many shiny motor cars, BMW, Mini, and Rolls Royce, and some desirable motorcycles, as well as learning about thousand-dollar umbrellas and hand-painted coach-lines.
In the evening, we took the bus downtown to a traditional Bavarian restaurant overlooking the opera house Spatenhaus an der Oper, for a splendid networking dinner.
Note: My thanks to Alun Morgan for the excellent photographs.
Links to other articles in this three-part series:
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