JP4158700B2 - 圧電振動片および圧電振動デバイス - Google Patents
圧電振動片および圧電振動デバイス Download PDFInfo
- Publication number
- JP4158700B2 JP4158700B2 JP2003433366A JP2003433366A JP4158700B2 JP 4158700 B2 JP4158700 B2 JP 4158700B2 JP 2003433366 A JP2003433366 A JP 2003433366A JP 2003433366 A JP2003433366 A JP 2003433366A JP 4158700 B2 JP4158700 B2 JP 4158700B2
- Authority
- JP
- Japan
- Prior art keywords
- vibrating piece
- crystal
- axis direction
- electrode
- plate
- 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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- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
3 水晶振動片(圧電振動片)
7 水晶板(板状体)
71 水晶板の一端部(主面の一端部)
73、74 主面
75 X軸方向の辺
76 Z’軸方向の辺
82 励振電極のX軸方向の中心位置
84 接続電極
85 引出電極
91 励振電極
Claims (3)
- 主面がX軸方向とZ’軸方向とを有する面で構成された板状体であって、両主面の略中央領域に励振電極が形成され、前記両主面の前記X軸方向の一端部に外部と導通するための接続電極が形成され、前記各主面において前記励振電極と前記接続電極とを導通させる引出電極が形成された圧電振動片において、
前記励振電極のX軸方向の中心位置は、前記接続電極のX軸方向の長さを除いた前記板状体のX軸方向の長さを二等分する位置より、前記接続電極側にずれた位置に設定されることを特徴とする圧電振動片。 - 請求項1に記載の圧電振動片において、
発振が、高次オーバートーン発振であることを特徴とする圧電振動片。 - 請求項1または2に記載の圧電振動片が搭載されたことを特徴とする圧電振動デバイス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003433366A JP4158700B2 (ja) | 2003-12-26 | 2003-12-26 | 圧電振動片および圧電振動デバイス |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003433366A JP4158700B2 (ja) | 2003-12-26 | 2003-12-26 | 圧電振動片および圧電振動デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005192088A JP2005192088A (ja) | 2005-07-14 |
JP4158700B2 true JP4158700B2 (ja) | 2008-10-01 |
Family
ID=34790769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003433366A Expired - Lifetime JP4158700B2 (ja) | 2003-12-26 | 2003-12-26 | 圧電振動片および圧電振動デバイス |
Country Status (1)
Country | Link |
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JP (1) | JP4158700B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007251918A (ja) * | 2006-02-15 | 2007-09-27 | Daishinku Corp | 水晶振動子 |
JP4665849B2 (ja) * | 2006-06-23 | 2011-04-06 | 株式会社大真空 | 圧電振動デバイスの製造方法 |
JP6449557B2 (ja) * | 2014-04-28 | 2019-01-09 | 京セラ株式会社 | 水晶デバイスの製造方法 |
JP6676875B2 (ja) * | 2015-01-06 | 2020-04-08 | セイコーエプソン株式会社 | 振動デバイス、電子機器、および移動体 |
JP6281597B2 (ja) * | 2016-05-16 | 2018-02-21 | セイコーエプソン株式会社 | 振動片、振動子、発振器および電子機器 |
-
2003
- 2003-12-26 JP JP2003433366A patent/JP4158700B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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JP2005192088A (ja) | 2005-07-14 |
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