Electromagnetic band gap microwave filter

Details Electromagnetic band gap microwave filter Electromagnetic band gap microwave filter

2005-09-13

2005-09-13

Mai, Lam T. (Department: 2819)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S195000

Reexamination Certificate

active

06943650

ABSTRACT:
A microwave filter is formed from an electromagnetic band gap structure. The electromagnetic band gap structure includes a periodic array of metal features (16, 42, 44, 50) formed within a dielectric matrix (14, 52). A defect feature (17, 48) is formed within the periodic array of metal features (16, 42, 44, 50) in order to create a pass band within a stop band region.

REFERENCES:
patent: 5115216 (1992-05-01), Hikita et al.
patent: 5818309 (1998-10-01), De Los Santos
patent: 6825741 (2004-11-01), Chappell et al.
patent: WO 01/84663 (2001-11-01), None

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