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Innovative Shielded High Q Dielectric Resonator Made of Alumina by Layer-by-Layer Stereolithography

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5 Author(s)

This letter presents a compact design of a shielded high unloaded Q dielectric resonator. The main interest of this work is the use of the three-dimensional stereolithography process to manufacture innovative ceramic radio frequency devices. Thus, a resonator, its support, and the surrounding cavity is manufactured in one part out of alumina by that process. The measured structure exhibits an unloaded Q of 3900 at 11.88GHz and is free of spurious modes over a 3-GHz range

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:17 ,  Issue: 6 )