JP5092526B2 - 弾性表面波デバイス - Google Patents
弾性表面波デバイス Download PDFInfo
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- JP5092526B2 JP5092526B2 JP2007113728A JP2007113728A JP5092526B2 JP 5092526 B2 JP5092526 B2 JP 5092526B2 JP 2007113728 A JP2007113728 A JP 2007113728A JP 2007113728 A JP2007113728 A JP 2007113728A JP 5092526 B2 JP5092526 B2 JP 5092526B2
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- pad
- electrode
- saw chip
- wave device
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- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
2 SAWチップ
4 封止体
5 圧電基板
6 IDT電極
8 入力パッド
9 出力パッド
10 接地パッド
11 絶縁基板
12 入力電極
13 出力電極
14 封止電極
17 バンプ
Claims (1)
- ベース基板と、このベース基板上にフリップチップ実装されたSAWチップと、前記ベース基板上にて前記SAWチップを覆い前記SAWチップの励振空間を気密封止した金属導体からなる封止体を備え、
前記SAWチップは矩形状の圧電基板の表面にフィルタ回路を形成する複数のIDT電極と、前記IDT電極が接続される入力パッド、出力パッド及び接地パッドを有し、
前記ベース基板は矩形状の絶縁基板の表面に前記入力パッドが接続される入力電極と、前記出力パッドが接続される出力電極と、前記封止体が接続されるとともにアース接続される封止電極を有し、
前記接地パッドを前記圧電基板の外周端部分に対して部分的に配置し、前記封止電極を前記絶縁基板上にて前記SAWチップの実装領域の全周を囲むように形成するとともに、前記接地パッドと前記封止体を電気的に接続し、
前記入力パッドと前記入力電極との接続および前記出力パッドと前記出力電極の接続をそれぞれハンダバンプで行うとともに、前記封止体を形成する金属材料をハンダとしたことを特徴とする弾性表面波デバイス。
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JP2007113728A JP5092526B2 (ja) | 2007-04-24 | 2007-04-24 | 弾性表面波デバイス |
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JP2007113728A JP5092526B2 (ja) | 2007-04-24 | 2007-04-24 | 弾性表面波デバイス |
Publications (2)
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JP2008271354A JP2008271354A (ja) | 2008-11-06 |
JP5092526B2 true JP5092526B2 (ja) | 2012-12-05 |
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JP2007113728A Active JP5092526B2 (ja) | 2007-04-24 | 2007-04-24 | 弾性表面波デバイス |
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JP (1) | JP5092526B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5799641B2 (ja) * | 2011-07-29 | 2015-10-28 | 株式会社村田製作所 | 弾性波装置 |
WO2021010164A1 (ja) * | 2019-07-16 | 2021-01-21 | 株式会社村田製作所 | 電子部品および電子部品の製造方法 |
CN111063793A (zh) * | 2019-12-23 | 2020-04-24 | 北京航天微电科技有限公司 | 一种声表面波滤波器csp封装方法及csp封装制品 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH07111438A (ja) * | 1993-10-08 | 1995-04-25 | Hitachi Ltd | 弾性表面波装置、及びその製造方法 |
JP4456503B2 (ja) * | 2004-12-24 | 2010-04-28 | 富士通メディアデバイス株式会社 | 電子部品の製造方法 |
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- 2007-04-24 JP JP2007113728A patent/JP5092526B2/ja active Active
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JP2008271354A (ja) | 2008-11-06 |
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