JP4805560B2 - 温度変化に対して調節されるばねてんぷ共振器 - Google Patents
温度変化に対して調節されるばねてんぷ共振器 Download PDFInfo
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- JP4805560B2 JP4805560B2 JP2004279139A JP2004279139A JP4805560B2 JP 4805560 B2 JP4805560 B2 JP 4805560B2 JP 2004279139 A JP2004279139 A JP 2004279139A JP 2004279139 A JP2004279139 A JP 2004279139A JP 4805560 B2 JP4805560 B2 JP 4805560B2
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- hairspring
- balance
- spring
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- 239000010453 quartz Substances 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 239000013078 crystal Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000005530 etching Methods 0.000 claims description 7
- 238000000206 photolithography Methods 0.000 claims description 6
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000001312 dry etching Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000001039 wet etching Methods 0.000 claims description 3
- 229910017855 NH 4 F Inorganic materials 0.000 claims description 2
- 238000001020 plasma etching Methods 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000003203 everyday effect Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000002354 daily effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/22—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature
- G04B17/222—Compensation of mechanisms for stabilising frequency for the effect of variations of temperature with balances
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B18/00—Mechanisms for setting frequency
- G04B18/04—Adjusting the beat of the pendulum, balance, or the like, e.g. putting into beat
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Springs (AREA)
- Micromachines (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Description
C=Ehe3/12L (I)
ばねてんぷの振動数は、式IIにより式Iに関係づけられる。
f=(1/2π)(√(C/I)) (II)
ただし、Iはてんぷの慣性モーメントを表し、式IIIに対応する。
I=mr2 (III)
ただし、mは質量、rは回転半径を表し、明らかにてんぷの熱膨張率αに依存する。
結晶軸xyzの石英棒から薄辺をカットし、その厚さをゼンマイの所望の高さhまで薄くする工程と、
ひげゼンマイの所望形状に輪郭を決めたマスクをフォトリソグラフィにより薄辺の表面に形成する工程と、
生成された輪郭の外側に位置する石英を湿式法もしくは乾式法エッチングによって除去し、ひげゼンマイを解放する工程と、から成る製造方法に関する。
には、石英薄辺を結晶軸zに関して角度(Π/2)−θ、即ちひげゼンマイの高さhの方向に対して角度θで軸xの周りに回転させることと同等、の面に沿ってカットする。
表1
熱膨張係数α 角度θ
曲線d 5・10−6K−1 −14.6゜
曲線e 10・10−6K−1 −7゜
曲線f 15・10−6K−1 +7゜
曲線gは、基準とした電子時計用音叉の曲線に相当する。
Claims (9)
- 弾性定数Cのひげゼンマイと、慣性モーメントIのてんぷとを含む機械式時計ムーブメント用のばねてんぷ共振器において、ひげゼンマイが軸xを電気軸とし軸yを機械軸とする結晶軸xyzに沿い結晶化している単体石英単結晶のカットされた片から製作され高さhとするゼンマイで形成され、
前記カットされた片は、結晶軸zに垂直な面xyに角度θを有する面Xxy’に沿ってカットされ、格段に変化が小さく優れた機械的かつ化学的特性を保有し、
前記角度θの値をジオメトリを変えることなく弾性定数を変更する+25度と−25度の間とすることを特徴とするばねてんぷ共振器。 - 角度θの値を、変化を最小にする+10度と−15度の間とすることを特徴とする請求項1に記載のばねてんぷ共振器。
- 外側取付部とコレットは、前記ひげゼンマイとして同時に前記カットされた片に形成されることを特徴とする請求項1に記載のばねてんぷ共振器。
- 中央湾曲部をリングもしくはコレットを介しててんぷに固定したひげゼンマイを含むばねてんぷ共振器の製造方法において、ひげゼンマイの高さhが、
軸xを電気軸とし軸yを機械軸とする結晶軸xyzの石英棒から、結晶軸zに垂直な面xyに角度θを有する面xy’に沿った片をカットする工程と、
ひげゼンマイの所望形状に輪郭を決めたマスクをフォトリソグラフィにより前記片の表面に形成する工程と、
生成された輪郭の外側に位置する石英を湿式法もしくは乾式法エッチングによって除去し、ひげゼンマイを解放する工程と、を実行することによって得られ、
前記角度θの値をジオメトリを変えることなく弾性定数を変更する+25度と−25度の間とすることを特徴とすることを特徴とする方法。 - 前記マスクを形成する前に、前記片をゼンマイの高さhにすることを特徴とする請求項4に記載の方法。
- ひげゼンマイの輪郭の外側に位置する石英を除去するエッチングを湿式法、好ましくはHF/NH4F溶液によるエッチングにより行うことを特徴とする請求項4に記載の方法。
- ひげゼンマイの輪郭の外側に位置する石英を除去するエッチングを反応式イオン・エッチング等の乾式法により行うことを特徴とする請求項4に記載の方法。
- フォトリソグラフィとエッチング工程により、ひげゼンマイの外部および中央固定リングまたはコレットへの取付部形成をひげゼンマイとゼンマイの厚さやそのピッチ等、他の製作パラメータの選択と同時に可能とすることを特徴とする請求項4に記載の方法。
- カット角度θの限定値により、得られたひげゼンマイの弾性定数をてんぷの熱膨張率に調和させることを特徴とする請求項4に記載の方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP03021787.1 | 2003-09-26 | ||
| EP03021787A EP1519250B1 (fr) | 2003-09-26 | 2003-09-26 | Résonateur balancier-spiral thermocompensé |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005106819A JP2005106819A (ja) | 2005-04-21 |
| JP4805560B2 true JP4805560B2 (ja) | 2011-11-02 |
Family
ID=34178504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004279139A Expired - Lifetime JP4805560B2 (ja) | 2003-09-26 | 2004-09-27 | 温度変化に対して調節されるばねてんぷ共振器 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7503688B2 (ja) |
| EP (1) | EP1519250B1 (ja) |
| JP (1) | JP4805560B2 (ja) |
| KR (1) | KR20050030558A (ja) |
| CN (1) | CN100483271C (ja) |
| DE (1) | DE60333191D1 (ja) |
| TW (1) | TWI372952B (ja) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1445670A1 (fr) * | 2003-02-06 | 2004-08-11 | ETA SA Manufacture Horlogère Suisse | Spiral de résonateur balancier-spiral et son procédé de fabrication |
| DE602004027471D1 (de) * | 2004-06-08 | 2010-07-15 | Suisse Electronique Microtech | Unruh-Spiralfeder-Oszillator mit Temperaturkompensation |
| EP1886194A2 (en) * | 2005-05-14 | 2008-02-13 | Gideon Levingston | Balance spring, regulated balance wheel assembly and methods of manufacture thereof |
| EP1791039A1 (fr) * | 2005-11-25 | 2007-05-30 | The Swatch Group Research and Development Ltd. | Spiral en verre athermique pour mouvement d'horlogerie et son procédé de fabrication |
| EP1818736A1 (fr) * | 2006-02-09 | 2007-08-15 | The Swatch Group Research and Development Ltd. | Virole anti-choc |
| KR20070096834A (ko) * | 2006-03-24 | 2007-10-02 | 에타 쏘시에떼 아노님 마누팍투레 홀로게레 스위세 | 절연성 물질로 만들어지는 미세-기계 부분 및 상기 부분을제조하기 위한 방법 |
| DE602006014280D1 (de) * | 2006-11-09 | 2010-06-24 | Eta Sa Mft Horlogere Suisse | Montageelement, das dehnbare Strukturen in Form von Gabeln umfasst, und dieses Element umfassende Uhr |
| EP1921516B1 (fr) * | 2006-11-09 | 2010-01-13 | ETA SA Manufacture Horlogère Suisse | Elément d'assemblage comportant deux séries de structures élastiques et pièce d'horlogerie comportant cet élément |
| EP1921518B1 (fr) * | 2006-11-09 | 2010-05-26 | ETA SA Manufacture Horlogère Suisse | Elément d'assemblage comportant des structures élastiques en forme de lames superposées et pièce d'horlogerie équipée de cet élément |
| CN101878454B (zh) * | 2007-11-28 | 2013-01-16 | 尤利西斯·雅典钟表及天文时计制造厂(勒洛克勒)股份有限公司 | 具有优化的热弹性系数的机械振荡器 |
| EP2105807B1 (fr) * | 2008-03-28 | 2015-12-02 | Montres Breguet SA | Spiral à élévation de courbe monobloc et son procédé de fabrication |
| EP2151722B8 (fr) * | 2008-07-29 | 2021-03-31 | Rolex Sa | Spiral pour résonateur balancier-spiral |
| CH699882A2 (fr) * | 2008-11-06 | 2010-05-14 | Montres Breguet Sa | Spiral à élévation de courbe en matériau micro-usinable. |
| CH700059A2 (fr) * | 2008-12-15 | 2010-06-15 | Montres Breguet Sa | Spiral à élévation de courbe en matériau à base de silicium. |
| US8720286B2 (en) * | 2009-11-06 | 2014-05-13 | Baker Hughes Incorporated | Temperature insensitive devices and methods for making same |
| EP2395661A1 (fr) * | 2010-06-10 | 2011-12-14 | The Swatch Group Research and Development Ltd. | Résonateur thermocompensé aux premier et second ordres |
| US8562206B2 (en) * | 2010-07-12 | 2013-10-22 | Rolex S.A. | Hairspring for timepiece hairspring-balance oscillator, and method of manufacture thereof |
| CH704649B1 (fr) | 2011-03-23 | 2019-04-15 | Lvmh Swiss Mft Sa | Elément oscillant pour organe réglant horloger. |
| CN104412175B (zh) * | 2012-06-28 | 2017-05-17 | 尼瓦洛克斯-法尔股份有限公司 | 钟表的主发条 |
| EP2703909A1 (fr) | 2012-09-04 | 2014-03-05 | The Swatch Group Research and Development Ltd. | Résonateur balancier - spiral appairé |
| JP6486697B2 (ja) * | 2014-02-26 | 2019-03-20 | シチズン時計株式会社 | ひげぜんまいの製造方法及びひげぜんまい |
| FR3032810B1 (fr) * | 2015-02-13 | 2017-02-24 | Tronic's Microsystems | Oscillateur mecanique et procede de realisation associe |
| HK1209578A2 (en) * | 2015-02-17 | 2016-04-01 | Master Dynamic Limited | Silicon hairspring |
| EP3176651B1 (fr) * | 2015-12-02 | 2018-09-12 | Nivarox-FAR S.A. | Procédé de fabrication d'un ressort-spiral d'horlogerie |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH564219A (ja) * | 1969-07-11 | 1975-07-15 | ||
| JPS5329518B2 (ja) * | 1974-03-15 | 1978-08-21 | ||
| US4410827A (en) * | 1980-04-24 | 1983-10-18 | Kabushiki Kaisha Suwa Seikosha | Mode coupled notched tuning fork type quartz crystal resonator |
| JPH06117470A (ja) * | 1992-10-07 | 1994-04-26 | Yokogawa Electric Corp | 渦巻きバネ及び指示電気計器 |
| FR2731715B1 (fr) | 1995-03-17 | 1997-05-16 | Suisse Electronique Microtech | Piece de micro-mecanique et procede de realisation |
| DE19651321C2 (de) * | 1996-12-11 | 2002-08-14 | Lothar Schmidt | Unruh |
| US6877893B2 (en) * | 1998-07-14 | 2005-04-12 | Elmar Mock | Timepiece with mechanical regulation |
| JP2001221269A (ja) * | 2000-02-07 | 2001-08-17 | Super Silicon Kenkyusho:Kk | 石英コイルスプリングとその製造法 |
| EP1302821A3 (fr) * | 2001-10-10 | 2010-05-05 | Franck Muller-Watchland SA | Ressort spiral pour appareil à mesurer le temps |
| JP2004007420A (ja) * | 2002-03-26 | 2004-01-08 | Seiko Epson Corp | 圧電振動片、圧電振動子および圧電デバイス |
| FR2842313B1 (fr) * | 2002-07-12 | 2004-10-22 | Gideon Levingston | Oscilliateur mecanique (systeme balancier et ressort spiral) en materiaux permettant d'atteindre un niveau superieur de precision, applique a un mouvement d'horlogerie ou autre instrument de precision |
| ATE307990T1 (de) * | 2002-11-25 | 2005-11-15 | Suisse Electronique Microtech | Spiraluhrwerkfeder und verfahren zu deren herstellung |
| EP1445670A1 (fr) * | 2003-02-06 | 2004-08-11 | ETA SA Manufacture Horlogère Suisse | Spiral de résonateur balancier-spiral et son procédé de fabrication |
-
2003
- 2003-09-26 DE DE60333191T patent/DE60333191D1/de not_active Expired - Lifetime
- 2003-09-26 EP EP03021787A patent/EP1519250B1/fr not_active Expired - Lifetime
-
2004
- 2004-09-20 TW TW093128448A patent/TWI372952B/zh not_active IP Right Cessation
- 2004-09-20 US US10/943,855 patent/US7503688B2/en not_active Expired - Lifetime
- 2004-09-22 KR KR1020040075712A patent/KR20050030558A/ko not_active Ceased
- 2004-09-23 CN CNB2004100801241A patent/CN100483271C/zh not_active Expired - Lifetime
- 2004-09-27 JP JP2004279139A patent/JP4805560B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| HK1073697A1 (zh) | 2005-10-14 |
| KR20050030558A (ko) | 2005-03-30 |
| US7503688B2 (en) | 2009-03-17 |
| CN100483271C (zh) | 2009-04-29 |
| US20050068852A1 (en) | 2005-03-31 |
| JP2005106819A (ja) | 2005-04-21 |
| TW200512553A (en) | 2005-04-01 |
| EP1519250A1 (fr) | 2005-03-30 |
| TWI372952B (en) | 2012-09-21 |
| EP1519250B1 (fr) | 2010-06-30 |
| DE60333191D1 (de) | 2010-08-12 |
| CN1601402A (zh) | 2005-03-30 |
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