Title:
DIELECTRIC RESONATOR, DIELECTRIC FILTER, AND METHOD FOR FABRICATING DIELECTRIC FILTER
Document Type and Number:
WIPO Patent Application WO/2006/001119
Kind Code:
A1
Abstract:
A dielectric filter (16) comprising a floating electrode part (7A) for regulating the resonance frequency and the capacitance and a floating electrode insulating part (15A) formed in a resonant conductor forming hole (2A). Consequently, machining area is reduced while attaining characteristic adjusting effects similar to those attained when the floating electrode part (7A) is removed entirely. Machining heat generated due to a small machining area is also reduced, and lowering of no-load Q and degradation of regulation accuracy due to physical property change of the dielectric filter (16) are suppressed. Reduction in size is also dealt with by employing laser machining.
More Like This:
| WO/1995/010861 | DIELECTRIC FILTER AND PRODUCTION METHOD THEREFOR |
Inventors:
NAKAMURA SOICHI (JP)
KATO HIDEYUKI (JP)
MIYAMOTO HIROFUMI (JP)
TSUKAMOTO HIDEKI (JP)
KATO HIDEYUKI (JP)
MIYAMOTO HIROFUMI (JP)
TSUKAMOTO HIDEKI (JP)
Application Number:
PCT/JP2005/007974
Publication Date:
January 05, 2006
Filing Date:
April 27, 2005
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
NAKAMURA SOICHI (JP)
KATO HIDEYUKI (JP)
MIYAMOTO HIROFUMI (JP)
TSUKAMOTO HIDEKI (JP)
NAKAMURA SOICHI (JP)
KATO HIDEYUKI (JP)
MIYAMOTO HIROFUMI (JP)
TSUKAMOTO HIDEKI (JP)
International Classes:
H01P1/205; H01P7/04; (IPC1-7): H01P1/205; H01P7/04
Foreign References:
| JPH07245503A | 1995-09-19 | |||
| JPH06164205A | 1994-06-10 | |||
| JPH06350314A | 1994-12-22 | |||
| JPH05183309A | 1993-07-23 | |||
| JP2001274604A | 2001-10-05 |
Attorney, Agent or Firm:
Komori, Hisao (Noninbashi Chuo-ku, Osaka-sh, Osaka 11, JP)
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