CMK Corporation

Automotive PWB High frequency correspondence

Product & Technology Product & Technology


  • Lower Transmission Loss Antenna property and signal quality have been imploved by using low-Dk, low-Df materials.
  • New Process(MSAP:Modified Semi-Additive Process)Installed new process have completed circuit pattern requested, and Antenna property and signal quality have been imploved. This process is more suitable for Zo, Zdif control.


  • ADAS, Autonomous (milli-wave rader, LiDAR)
  • Driving assist, Communication system (Automotive communication, 5G communication)
  • Next-generation communication system


  • Hybrid structure is possible
LowDk / Df material
LowDk / Df material, FR-4 general material
High multilayer HDI PWB (3-16-3) (Cross section)