| Original document(60 pages) Authorized document(59 pages) 中文版 |
A multilayer filter comprising a first dielectric layer (2101a) having a first shield electrode provided on one major surface, a second dielectric layer (2101b) having a resonator electrode provided on the one major surface, a third dielectric layer (2101c) having a bond electrode provided oppositely to a part of the resonator electrode on the one major surface, a fourth dielectric layer (2101d) having a second shield electrode provided on the one major surface, a fifth dielectric layer (2101e) where at least the one major surface is exposed to the outside, and a ground electrode (2108) provided on the other major surface of the first dielectric layer and/or the one major surface of the fifth dielectric layer, characterized in that the first ground electrode and the first shield electrode are connected electrically through a via hole (2109) made in the first dielectric layer. |
Application Number
申请号 |
01809608 |
Application Date
申请日 |
2001.03.14 |
| Title 名称 |
Multilayer electronic part, multilayer antenna duplexer, and communication apparatus |
Publication Number
公开号 |
1429418 |
Publication Date
公开日 |
2003.07.09 |
| Approval Pub. Date |
2006.03.22 |
Granted Pub. Date |
2006.03.22 |
| International Classification 分类号 |
H01P1/203;H01P3/08;H03H7/075 |
Applicant(s) Name
申请人 |
Matsushita Electric Industrial Co., Ltd. |
| Address 地址 |
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| Inventor(s) Name 发明人 |
Uriu Kazuhide;Nakamura Hiroyuki;Yamada Toru |
| Attorney & Agent 代理人 |
shen zhaokun |
| More information 更 多 信 息 |
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