Multi-layer microwave resonator

Wave transmission lines and networks – Resonators – Dielectric type

Reexamination Certificate

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C333S234000, C333S202000

Reexamination Certificate

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06882252

ABSTRACT:
A multi-layer microwave resonator (10) comprises a cavity (12) having an inner surface formed from an electrically conductive material. Pieces (16a-16e) of dielectric materials stacked on top of each other form a conriguous body (14) that is provided in the cavity (12). The dielectric materials of the pieces (16a-16e) are chosen such that the dielectric constant of the pieces (16a-16e) alternate between a relatively high dielectric constant and a relatively low dielectric constant.

REFERENCES:
patent: 4661790 (1987-04-01), Gannon et al.
patent: 4692727 (1987-09-01), Wakino et al.
patent: 4706052 (1987-11-01), Hattori et al.
patent: 5059929 (1991-10-01), Tanaka
patent: 5221913 (1993-06-01), Ishizaki et al.
patent: 5315274 (1994-05-01), Sarkka
patent: 6255922 (2001-07-01), Malmstrom et al.

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