Wave transmission lines and networks – Coupling networks – Wave filters including long line elements
Reexamination Certificate
2005-11-01
2005-11-01
JeanPierre, Peguy (Department: 2819)
Wave transmission lines and networks
Coupling networks
Wave filters including long line elements
C333S134000
Reexamination Certificate
active
06960967
ABSTRACT:
Ceramic cavities1aand1bhave upper and lower open faces and contain dielectric cores2aand2bformed integrally therein. The ceramic cavities1aand1bare sandwiched between upper and lower panels3and4at the upper and lower open faces, respectively, of the ceramic cavities1aand1bvia grounding plates5aand5band grounding plates6aand6b, respectively, and the upper and lower panels3and4are fixed by screws. Based on this structure, a problem of an unreliable joint part between an open face of a ceramic cavity and a metal panel connected directly to each other by soldering and the problem of increase of the number of components of a structure in which a printed circuit board is mounted to the open face of the ceramic cavity by using grounding plates can be overcome, even when the ceramic cavity has an open face formed in a complex shape.
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Ando Masamichi
Kubota Kazuhiko
Dickstein, Shapiro, Morin & Oshinsky L.L.P.
Jean-Pierre Peguy
Lauture Joseph
Murata Manufacturing Co. Ltd.
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