HIGH PERFORMANCE EMBEDDED RF FILTERS

Title:

HIGH PERFORMANCE EMBEDDED RF FILTERS

Document Type and Number:

WIPO Patent Application WO2000026149

Kind Code:

A9

Abstract:

Embedded, coupled, shaped waveguide resonators having conductive walls sandwiched between two fired green tape stacks, said conductive walls having apertures therein whose size and location determine the degree of coupling. These waveguides are made by forming openings in a first green tape stack (12), defining walls (18) and apertures (19) therein, mounting a second green tape stack (23) having a conductive layer (20) thereon thereover and firing the assembly. E-plane probes (22) are inserted in openings (14) in the second green tape stack and connected to microstrip transmission lines (24) on an external surface of this green tape stack.

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Inventors:

GELLER BERNARD D
FATHY ALY
LIBERATORE MICHAEL J
SREERAM ATTIGANAL N
THALER BARRY J

Application Number:

PCT/US1999/025487

Publication Date:

November 01, 2001

Filing Date:

October 29, 1999

Export Citation:

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Assignee:

SARNOFF CORP (US)

International Classes:

H01P1/208; H01P7/06; H01P11/00; H01L23/12; (IPC1-7): C03B29/00; H01P1/20; H01P7/10

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