MetaBeam: Multi-layer CRLH antennas for 24 GHz sensor applications based on low-cost PCBs

In: German Microwave Conference (GeMiC 2011)
Darmstadt, Germany (2011), Session W1-2
Buchaufsatz / Kapitel / Fach: Elektrotechnik
We investigate the feasibility of CRLH zerothorder
resonant (ZOR) antennas for the 24 GHz ISM band on
Rogers RO4350/4450 multi-layer low-cost technology. This
technology is used for the first time to implement metalinsulator-metal (MIM) CRLH antennas with its fine
metallization features. The fabricated antennas may find
applications in the field of automotive or industrial sensors, since the RO4350/4450 laminates are approved for this purpose. The presented return loss and radiation pattern measurements of several prototypes with different length varying from nearly one up to several free space wavelengths indicate that the proposed low-cost implementation is reliable in terms of fabrication and
material parameter tolerances.

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