发明名称 |
Resonator and high-frequency filter |
摘要 |
The resonator of the present invention includes a cylindrical dielectric and a conductor film covering the surface of the dielectric in close contact therewith. The conductor film is constructed of a cylindrical portion and two flat portions, and is formed by subjecting the surface of the dielectric to metallization or the like. With the conductor film formed in close contact with the dielectric, deterioration of the Q value and the like caused by instability of connection at the corners can be suppressed even when a radio frequency induced current flows from the cylindrical portion over the two flat portions.
|
申请公布号 |
US6750739(B2) |
申请公布日期 |
2004.06.15 |
申请号 |
US20010881235 |
申请日期 |
2001.06.14 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
ENOKIHARA AKIRA;OKAJIMA MICHIO |
分类号 |
H01P1/208;H01P7/10;(IPC1-7):H01P1/201 |
主分类号 |
H01P1/208 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|