JP4012923B2 - 受動部品 - Google Patents
受動部品 Download PDFInfo
- Publication number
- JP4012923B2 JP4012923B2 JP2005373385A JP2005373385A JP4012923B2 JP 4012923 B2 JP4012923 B2 JP 4012923B2 JP 2005373385 A JP2005373385 A JP 2005373385A JP 2005373385 A JP2005373385 A JP 2005373385A JP 4012923 B2 JP4012923 B2 JP 4012923B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- dielectric substrate
- dielectric
- shield
- passive component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Description
14…誘電体基板 16…フィルタ部
18…入力側共振器 20…出力側共振器
48…入力電極層 50…出力電極層
52a〜52d…シールド電極層 92…入力電極膜
94…出力電極膜 96、98…シールド電極膜
Claims (3)
- 配線基板上に実装され、且つ、複数の誘電体層が積層されて構成された誘電体基板内に形成された受動回路を構成する複数の内層電極と、前記誘電体基板の外部に導出された1以上の端子とを有する受動部品において、
前記誘電体基板の下面が前記配線基板に配線されたシールド配線パターンと対向するように前記配線基板上に実装され、
前記1以上の端子は、前記受動回路の入出力用の端子であって、且つ、前記誘電体基板の下面のみに導出され、
前記誘電体基板内において前記誘電体基板の下面に対向して形成されたシールド用の内層電極を有し、
前記シールド用の内層電極は、前記配線基板に配線された前記シールド配線パターンと、他の電極が介在されることなく、容量を介して電気的に接続されることを特徴とする受動部品。 - 請求項1記載の受動部品において、
前記誘電体基板を構成する誘電体層のうち、前記シールド用の内層電極と前記誘電体基板の下面間の誘電体層の誘電率εrが、εr>20であることを特徴とする受動部品。 - 請求項1又は2記載の受動部品において、
前記受動回路は、1以上の共振器を有し、
前記共振器は前記誘電体基板内に形成された2つの内層電極と、
前記誘電体基板内に形成され、且つ、前記2つの内層電極間を接続するビアホールとを有し、
前記2つの内層電極のうち、一方の内層電極が前記共振器の短絡端を形成し、他方の内層電極が前記共振器の開放端を形成していることを特徴とする受動部品。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005373385A JP4012923B2 (ja) | 2005-12-26 | 2005-12-26 | 受動部品 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005373385A JP4012923B2 (ja) | 2005-12-26 | 2005-12-26 | 受動部品 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003098608A Division JP2004312065A (ja) | 2003-04-01 | 2003-04-01 | 受動部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006101556A JP2006101556A (ja) | 2006-04-13 |
JP4012923B2 true JP4012923B2 (ja) | 2007-11-28 |
Family
ID=36240842
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005373385A Expired - Lifetime JP4012923B2 (ja) | 2005-12-26 | 2005-12-26 | 受動部品 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4012923B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7649431B2 (en) | 2006-10-27 | 2010-01-19 | Samsung Electro-Mechanics Co., Ltd. | Band pass filter |
EP2068393A1 (en) * | 2007-12-07 | 2009-06-10 | Panasonic Corporation | Laminated RF device with vertical resonators |
JP4673418B2 (ja) * | 2009-04-10 | 2011-04-20 | 株式会社ダイシン | 振動式搬送装置 |
-
2005
- 2005-12-26 JP JP2005373385A patent/JP4012923B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2006101556A (ja) | 2006-04-13 |
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