JP5573532B2 - 圧電振動子 - Google Patents
圧電振動子 Download PDFInfo
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- JP5573532B2 JP5573532B2 JP2010208111A JP2010208111A JP5573532B2 JP 5573532 B2 JP5573532 B2 JP 5573532B2 JP 2010208111 A JP2010208111 A JP 2010208111A JP 2010208111 A JP2010208111 A JP 2010208111A JP 5573532 B2 JP5573532 B2 JP 5573532B2
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- Prior art keywords
- connection electrode
- base
- connection
- electrode pad
- excitation
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- 230000005284 excitation Effects 0.000 claims description 93
- 239000000463 material Substances 0.000 claims description 46
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 30
- 238000005219 brazing Methods 0.000 claims description 26
- 238000002844 melting Methods 0.000 claims description 24
- 230000008018 melting Effects 0.000 claims description 23
- 238000005304 joining Methods 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 description 19
- 239000010931 gold Substances 0.000 description 12
- 239000010408 film Substances 0.000 description 11
- 239000011651 chromium Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 6
- 229910052737 gold Inorganic materials 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- 230000002411 adverse Effects 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 229910020888 Sn-Cu Inorganic materials 0.000 description 3
- 229910019204 Sn—Cu Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910000833 kovar Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Landscapes
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
2 ベース
Claims (2)
- リード端子が植設された気密端子用のベースと、励振電極と接続電極パッドが形成された圧電振動片とを有し、前記リード端子の先端部分に対して圧電振動片の接続電極パッドを低融点金属ろう材により電気機械的に接合してベースに圧電振動片を搭載してなる圧電振動子であって、
圧電振動片が基部とこの基部の一端部から突出する複数本の脚部とから構成された音叉型振動片であり、
前記励振電極と接続電極パッドとはお互いが離間した状態で形成し、
接続電極は前記離間した励振電極と接続電極パッドとの上面に一部が重なった状態でお互いを接続するとともに、前記励振電極と接続電極パッドより低融点金属ろう材の濡れ性の低い電極膜により形成してなり、
前記接続電極は前記接続電極パッドより小さく形成され、前記接続電極と前記接続電極パッドとは圧電振動片の基部の他端部側の幅方向に沿って横並びに配置形成しているとともに、前記接続電極と接続電極パッドの重なり領域は、基部の幅方向のみで重なるように構成したことを特徴とする圧電振動子。 - 前記接続電極パッドは前記基部の領域内に形成され、かつ前記基部の一端部の幅方向における中間位置から脚部の幅の1.5倍以上の距離を離した位置に形成されてなることを特徴とする特許請求項1記載の圧電振動子。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010208111A JP5573532B2 (ja) | 2009-10-29 | 2010-09-16 | 圧電振動子 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009248512 | 2009-10-29 | ||
JP2009248512 | 2009-10-29 | ||
JP2010208111A JP5573532B2 (ja) | 2009-10-29 | 2010-09-16 | 圧電振動子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011120212A JP2011120212A (ja) | 2011-06-16 |
JP5573532B2 true JP5573532B2 (ja) | 2014-08-20 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2010208111A Expired - Fee Related JP5573532B2 (ja) | 2009-10-29 | 2010-09-16 | 圧電振動子 |
Country Status (1)
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JP (1) | JP5573532B2 (ja) |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5666922A (en) * | 1979-11-05 | 1981-06-05 | Seiko Epson Corp | Quartz oscillator of tuning fork type |
JPS57125510A (en) * | 1981-01-29 | 1982-08-04 | Matsushima Kogyo Co Ltd | Quartz oscillator |
JPH02298110A (ja) * | 1989-05-11 | 1990-12-10 | Seiko Epson Corp | 水晶振動子 |
JPH0563118U (ja) * | 1992-01-30 | 1993-08-20 | 京セラ株式会社 | 音叉型水晶振動子 |
JPH10135763A (ja) * | 1996-10-29 | 1998-05-22 | Miyota Co Ltd | 水晶振動子 |
JPH11284485A (ja) * | 1998-03-30 | 1999-10-15 | Miyota Kk | 圧電振動子 |
JP2006254210A (ja) * | 2005-03-11 | 2006-09-21 | Seiko Epson Corp | 圧電デバイス |
JP4609196B2 (ja) * | 2005-06-20 | 2011-01-12 | セイコーエプソン株式会社 | 圧電振動片および圧電デバイスならびに電子機器および携帯電話装置 |
JP2007037003A (ja) * | 2005-07-29 | 2007-02-08 | Citizen Miyota Co Ltd | 圧電振動子 |
WO2007023685A1 (ja) * | 2005-08-22 | 2007-03-01 | Seiko Epson Corporation | 圧電デバイス |
JP4933866B2 (ja) * | 2006-08-31 | 2012-05-16 | シチズンファインテックミヨタ株式会社 | 圧電振動子の製造方法 |
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2010
- 2010-09-16 JP JP2010208111A patent/JP5573532B2/ja not_active Expired - Fee Related
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