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Title:
DIELECTRIC RESONATOR, METHOD OF PRODUCING THE SAME, AND PLATING DEVICE THEREFOR
Document Type and Number:
WIPO Patent Application WO/1990/005389
Kind Code:
A1
Abstract:
A dielectric resonator consisting of a pole-like body (40) having a through hole (50). An electrode (80) having a strong bonding force is provided on the surface of the body (40) and on the inner peripheral surface of the through hole (50), in order to improve Q-characteristics and to enhance the produceability thereof. For this purpose, the surface of the body (40) is mechanically coarsened and then the whole body is chemically etched. The body (40) coarsened in two steps is then fitted to a support pin (110) of a rotary member (100) installed vertically or tilted in a plating solution (26) in order to plate the electrode (80).

Inventors:
UENISHI YOSHITSUGU (JP)
NAKAMURA TSUNESHI (JP)
HISADA NOBORU (JP)
MAKINO YOSHIYUKI (JP)
Application Number:
PCT/JP1989/001140
Publication Date:
May 17, 1990
Filing Date:
November 07, 1989
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
International Classes:
B65C3/10; H01P7/04; H01P7/10; H01P11/00; (IPC1-7): C25D17/08; H01P7/04; H01P11/00
Foreign References:
JPS63111704A1988-05-17
JPH06325723B
JP4916342Y
Other References:
See also references of EP 0399049A4
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