发明名称 |
Dielectric resonator having an electromagnetic wave absorbing member and apparatus incorporating the dielectric resonator |
摘要 |
There is provided a dielectric resonator which can suppress a spurious output acting as unnecessary resonance and can prevent the out-of-band characteristics of a filter from being degraded. Electrodes having circular openings are formed on a dielectric substrate, and the dielectric substrate is arranged between upper and lower conductive cases. A resonance region is used as a portion between the openings of the dielectric substrate, and columnar members consisting of a wave absorber are arranged between the upper and lower conductive cases.
|
申请公布号 |
US6388541(B1) |
申请公布日期 |
2002.05.14 |
申请号 |
US19980047687 |
申请日期 |
1998.03.25 |
申请人 |
MURATA MANUFACTURING CO., LTD. |
发明人 |
HIRATSUKA TOSHIRO;SONODA TOMIYA;IIO KENICHI |
分类号 |
H05K9/00;H01P1/20;H01P1/208;H01P1/212;H01P1/213;H01P7/10;(IPC1-7):H01P7/10 |
主分类号 |
H05K9/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|