JP2016174265A5 - - Google Patents
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- JP2016174265A5 JP2016174265A5 JP2015053024A JP2015053024A JP2016174265A5 JP 2016174265 A5 JP2016174265 A5 JP 2016174265A5 JP 2015053024 A JP2015053024 A JP 2015053024A JP 2015053024 A JP2015053024 A JP 2015053024A JP 2016174265 A5 JP2016174265 A5 JP 2016174265A5
- Authority
- JP
- Japan
- Prior art keywords
- axis
- center
- quartz substrate
- vibrator
- main surface
- 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.)
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- 239000000758 substrate Substances 0.000 claims 19
- 239000010453 quartz Substances 0.000 claims 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 17
- 239000013078 crystal Substances 0.000 claims 7
- 230000005284 excitation Effects 0.000 claims 7
- 230000003287 optical effect Effects 0.000 claims 1
- 230000010355 oscillation Effects 0.000 claims 1
Claims (9)
前記水晶基板の互いに表裏の関係にある表裏の主面に設けられている励振電極と、を備え、
前記水晶基板の＋Ｙ”軸側の主面に設けられた前記励振電極の中心が前記水晶基板の中心より−Ｘ’軸方向に配置され、
前記水晶基板の−Ｙ”軸側の主面に設けられた前記励振電極の中心が前記水晶基板の中心より＋Ｘ’軸方向に配置されていることを特徴とする振動子。 A crystal axis of the crystal, and the X-axis as an electrical axis, the Y-axis as a machine axis, the Y axis and the Z-axis as a rotation axis the X axis of the orthogonal coordinate system consisting of the Z-axis as an optical axis is rotating, each a Y 'axis and Z' axis, the Z a 'axis the X axis and the Y as a rotational axis' axis is rotating, each X 'when the axis and Y "axes, the X' A double-rotation Y-cut quartz substrate having a surface including an axis and the Z′-axis as a main surface, and a thickness along a direction along the Y ″ axis;
An excitation electrode provided on the main surface of the front and back in a relationship of front and back of the quartz substrate,
The center of the excitation electrode provided on the main surface of the quartz substrate on the + Y ″ axis side is arranged in the −X ′ axis direction from the center of the quartz substrate,
A vibrator characterized in that the center of the excitation electrode provided on the main surface on the −Y ″ axis side of the quartz substrate is arranged in the + X ′ axis direction from the center of the quartz substrate.
前記水晶基板は、前記Ｙ”軸方向からの平面視で円板状であり、少なくとも一方の主面にコンベックス加工が施されていることを特徴とする振動子。 The vibrator according to claim 1,
The quartz crystal substrate has a disk shape in a plan view from the Y ″ -axis direction, and has at least one main surface subjected to convex processing.
前記水晶基板は、ＳＣカット水晶振動片であることを特徴とする振動子。 In the vibrator according to claim 1 or 2,
The crystal substrate is an SC cut crystal resonator element.
前記水晶基板の＋Ｙ”軸側の主面に設けられた前記励振電極の中心と前記水晶基板の中心との間隔の長さおよび前記水晶基板の−Ｙ”軸側の主面に設けられた前記励振電極の中心と前記水晶基板の中心との間隔の長さをＬとし、前記水晶基板の中心におけるＹ”軸方向に沿った厚さをｔとしたとき、
０．１７≦（Ｌ／ｔ）≦０．７６の関係であることを特徴とする振動子。 The vibrator according to claim 3, wherein
The length of the gap between the center of the excitation electrode provided on the main surface of the quartz substrate on the + Y ″ axis side and the center of the quartz substrate, and the principal surface on the −Y ″ axis side of the quartz substrate. When the length of the distance between the center of the excitation electrode and the center of the quartz substrate is L, and the thickness along the Y ″ axis direction at the center of the quartz substrate is t,
A vibrator having a relationship of 0.17 ≦ (L / t) ≦ 0.76.
前記水晶基板は、ＩＴカット水晶振動片であることを特徴とする振動子。 In the vibrator according to claim 1 or 2,
The crystal substrate is an IT cut crystal resonator element.
前記水晶基板の＋Ｙ”軸側の主面に設けられた前記励振電極の中心と前記水晶基板の中心との間隔の長さおよび前記水晶基板の−Ｙ”軸側の主面に設けられた前記励振電極の中心と前記水晶基板の中心との間隔の長さをＬとし、前記水晶基板の中心におけるＹ”軸方向に沿った厚さをｔとしたとき、
０．１５≦（Ｌ／ｔ）≦０．６６の関係であることを特徴とする振動子。 The vibrator according to claim 5, wherein
The length of the gap between the center of the excitation electrode provided on the main surface of the quartz substrate on the + Y ″ axis side and the center of the quartz substrate, and the principal surface on the −Y ″ axis side of the quartz substrate. When the length of the distance between the center of the excitation electrode and the center of the quartz substrate is L, and the thickness along the Y ″ axis direction at the center of the quartz substrate is t,
A vibrator having a relationship of 0.15 ≦ (L / t) ≦ 0.66.
前記振動子を発振させるための発振回路を含む電子部品と、
前記振動子と前記電子部品とを収容するパッケージと、を備えたことを特徴とする発振器。 The vibrator according to any one of claims 1 to 6,
An electronic component including an oscillation circuit for causing the vibrator to oscillate;
An oscillator comprising: the vibrator and a package that accommodates the electronic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015053024A JP2016174265A (en) | 2015-03-17 | 2015-03-17 | Vibrator, oscillator, electronic apparatus, and mobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015053024A JP2016174265A (en) | 2015-03-17 | 2015-03-17 | Vibrator, oscillator, electronic apparatus, and mobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2016174265A JP2016174265A (en) | 2016-09-29 |
| JP2016174265A5 true JP2016174265A5 (en) | 2018-04-12 |
Family
ID=57008365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015053024A Withdrawn JP2016174265A (en) | 2015-03-17 | 2015-03-17 | Vibrator, oscillator, electronic apparatus, and mobile |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2016174265A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017139682A (en) * | 2016-02-05 | 2017-08-10 | セイコーエプソン株式会社 | Vibration piece, manufacturing method for the same, oscillator, electronic apparatus, movable body, and base station |
| WO2022044360A1 (en) | 2020-08-31 | 2022-03-03 | 有限会社マクシス・ワン | Thermostatic bath-type crystal oscillator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107618A (en) * | 1982-12-13 | 1984-06-21 | Fujitsu Ltd | Manufacture for crystal oscillator |
| JPH04123605A (en) * | 1990-09-14 | 1992-04-23 | Nippon Dempa Kogyo Co Ltd | Crystal resonator |
| JP3980971B2 (en) * | 2002-09-02 | 2007-09-26 | 日本電波工業株式会社 | IT cut crystal unit |
-
2015
- 2015-03-17 JP JP2015053024A patent/JP2016174265A/en not_active Withdrawn
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