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http://dx.doi.org/10.5515/KJKIEES.2018.29.10.752

77-GHz Slot Array Antenna Using PCB and ACF  

Yoon, Pyoung-Hwa (College of Information & Communication Engineering, Sungkyunkwan University)
Kwon, Oh-Yun (College of Information & Communication Engineering, Sungkyunkwan University)
Song, Reem (College of Information & Communication Engineering, Sungkyunkwan University)
Kim, Byung-Sung (College of Information & Communication Engineering, Sungkyunkwan University)
Publication Information
Abstract
This study presents the performance evaluation results of a 77-GHz waveguide slot array antenna that was fabricated by attaching a patterned printed circuit board(PCB) on a metal block. The 77-GHz waveguide was divided into a top plate and a bottom structure. The top plate was fabricated using a patterned PCB that can implement a fine slot at low cost. The top cover was then bonded to the bottom metal structure with a waveguide trough using anisotropic conductive film. For evaluating the antenna performance, a $1{\times}16$ slot array antenna was fabricated using our proposed method and the gain and pattern were measured and compared with the simulation results. Though the measurement results demonstrate a reduction in gain of around 2.3~3.5 dB compared to the simulation results assuming ideal bonding conditions, the pattern hardly changed and the slot antenna with a gain of approximately 17 dBi at 77 GHz can be easily manufactured at a low cost using the proposed method.
Keywords
Slot Array Antenna; Waveguide; ACF; 77 GHz Automotive Radar;
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