EP1760557A1 - Uhr mit einem halbleitenden Zifferblatt und Zifferblatt für eine solche Uhr - Google Patents

Uhr mit einem halbleitenden Zifferblatt und Zifferblatt für eine solche Uhr Download PDF

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Publication number
EP1760557A1
EP1760557A1 EP05108136A EP05108136A EP1760557A1 EP 1760557 A1 EP1760557 A1 EP 1760557A1 EP 05108136 A EP05108136 A EP 05108136A EP 05108136 A EP05108136 A EP 05108136A EP 1760557 A1 EP1760557 A1 EP 1760557A1
Authority
EP
European Patent Office
Prior art keywords
dial
main body
timepiece
etched
control circuit
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.)
Granted
Application number
EP05108136A
Other languages
English (en)
French (fr)
Other versions
EP1760557B1 (de
Inventor
Pierre-André Meister
André Zanetta
Emmanuel Fleury
Fabien Blondeau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ETA SA Manufacture Horlogere Suisse
Original Assignee
ETA SA Manufacture Horlogere Suisse
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ETA SA Manufacture Horlogere Suisse filed Critical ETA SA Manufacture Horlogere Suisse
Priority to DE602005017620T priority Critical patent/DE602005017620D1/de
Priority to AT05108136T priority patent/ATE448511T1/de
Priority to EP05108136A priority patent/EP1760557B1/de
Priority to SG200605814-3A priority patent/SG131020A1/en
Priority to TW095131809A priority patent/TW200734840A/zh
Priority to JP2006234669A priority patent/JP4842737B2/ja
Priority to CNB2006101514031A priority patent/CN100454181C/zh
Priority to US11/470,288 priority patent/US7663979B2/en
Publication of EP1760557A1 publication Critical patent/EP1760557A1/de
Priority to HK07103778.5A priority patent/HK1097056A1/xx
Application granted granted Critical
Publication of EP1760557B1 publication Critical patent/EP1760557B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • G04B19/00—Indicating the time by visual means
    • G04B19/06—Dials
    • G04B19/12—Selection of materials for dials or graduations markings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings

Definitions

  • the invention relates to a dial made of semiconductor material and an electronic timepiece equipped with such a dial.
  • an electronic timepiece such as a wristwatch has a housing that contains an electronic circuit controlling display means for displaying information on a dial.
  • the dial is made in the form of a trim plate having, on the side of its display face, ornamental elements, indexes, and / or inscriptions representing for example the hour numbers.
  • the dial may also include a window associated with a liquid crystal display connected to the electronic circuit.
  • the dial is most often made of plastic material or metal.
  • the electronic control circuit is generally arranged on a printed circuit board (PCB) and includes electronic components such as a control unit, conductive tracks, and a reference oscillator which serves as a time base.
  • the oscillator comprises a resonator, for example quartz.
  • Some watches lack PCBs.
  • the electronic components are then mounted directly on the bottom of the housing.
  • the conductive tracks are made, for example, in the form of metal blades fixed in the housing.
  • dials made of a crystalline material such as silicon.
  • the dial has an upper layer, for example silicon dioxide, which is permeable to light and capable of forming colored interference.
  • ornamental patterns or indexes can be made on the upper face of the dial, from an opaque material, by printing or by vapor deposition.
  • This type of dial has an aesthetic advantage, but the overall structure of the watch is not modified and still has the same disadvantages.
  • the invention aims to remedy these drawbacks.
  • the present invention proposes an electronic timepiece comprising a housing which is provided with a dial and which contains an electronic control circuit controlling a display device, of the type in which the dial comprises a main body in plate form which is made of semiconductor material, and of the type in which the control circuit comprises at least one control unit and a time base circuit, characterized in that the control circuit comprises at least one circuit element integrated which is engraved in the main body of the dial.
  • An advantage of the invention is that it facilitates the integration of micro- or nano-structures in the timepiece. Indeed, more and more micro electromechanical systems (Micro ElectroMechanical Systems) made by etching in a silicon plate. Thanks to the silicon dial and the integrated circuit which it is provided with, it is possible to arrange electromechanical microsystems directly in the dial and to control them, for example, by means of the integrated circuit.
  • micro electromechanical systems Micro ElectroMechanical Systems
  • the present invention also proposes a display dial for a timepiece made according to one of the preceding characteristics, comprising a plate-shaped main body which is made of a semiconductor material, characterized in that it comprises at least one least an integrated circuit element that is etched into the main body.
  • FIGs 1 to 2 there is shown an electronic timepiece 10 made according to a first embodiment in accordance with the teachings of the invention.
  • the timepiece 10 is constituted here by a watch 10 which comprises a housing 12, for example of cylindrical shape.
  • the housing 12 is formed by a bottom wall 14 extending generally in a transverse plane, by a peripheral axial wall 16, and by a glass of upper protection 18 which closes the housing 12 on the side of the upper display face 20 of the watch 10.
  • the housing 12 contains an electronic control circuit 22 which drives a display device 24.
  • the display device 24 is of the analog type. It comprises indicator hands 26 which extend over a dial 28 and which are rotated about the axis A1 of the housing 12 by an electrically driven drive device 30.
  • the driving device 30 comprises, for example, at least one clock-type electric motor and transmission means making it possible to obtain the required reduction ratio for driving each needle 26.
  • analog display means 24 may be replaced by, or combined with, a liquid crystal display.
  • the electronic control circuit 22 is arranged partly on the lower face 31 of a printed circuit board 32 mounted in the housing 12, under the dial 28.
  • Electronic components are arranged on the printed circuit board 32, in particular a control unit 36 and a time base circuit constituted by a reference oscillator 34.
  • Electrical conductive tracks 38 arranged on the printed circuit board 32 connect the components to each other.
  • the control unit 36 may consist, for example, of a microcontroller or a logic circuit.
  • the driver 30 is mounted here on the underside 31 of the printed circuit board 32 and its drive shaft 40 extends upwardly through a first opening 42 in the printed circuit board 32 and is through a second opening 44 arranged in the dial 28.
  • the power supply is provided by a battery 46 arranged between the printed circuit board 32 and the bottom wall 14 of the housing 12.
  • external control means cooperating with the control unit 36, such as pushbuttons or a crown, may be provided to enable a user to control the display means 24 and perform for example the delivery on time.
  • the dial 28 comprises a main body 48, here in the form of a circular plate, which is made of semiconductor material.
  • this semiconductor material is made of silicon.
  • the main body 48 can thus be made from a silicon wafer such as those used in microelectronics to produce integrated circuits.
  • the electronic control circuit 22 comprises at least one integrated circuit element 36 which is etched in the main body 48 of the dial 28, using known methods for manufacturing integrated circuits on silicon.
  • the integrated circuit element is constituted by the control unit 36 which is etched in the lower face 50 of the dial 28.
  • the electronic control circuit 22 is provided with electrical connection means 52 which connect the connection pads 54 of the control unit 36 to conductive tracks 38 of the printed circuit board 32.
  • these electrical connection means 52 are contact bosses 56, for example made of conductive anisotropic adhesive, which are arranged on the connection pads 54 and which are in electrical contact with conductive tracks. 58 which are carried by the upper face 60 of the printed circuit board 32.
  • These conductive tracks 58 are electrically connected to the conductive tracks 38 carried by the lower face 31 of the printed circuit board 32 by means of metallized holes 60 passing through said plate 32 of apart.
  • the electrical connection means 52 can be made differently, for example with metal strips, or with a "Zebra" type connector comprising an elastomer strip provided with parallel conductive wires. .
  • the dial 28 has on its upper face 62 indexes 64 which are made in relief, for example by crystallographic growth.
  • Said top face 62 may also include a coating, for example of metal type, to protect and / or decorate the dial 28, and include patterns in relief in the form of machined microstructures to obtain an optical effect similar to that obtained with guilloché dials.
  • the indexes and the relief patterns can also be made by depositing material on the dial 28.
  • the electronic control circuit 22 may comprise other electronic components such as sensors, a liquid crystal display module, an antenna for a watch 10 and / or a radio transmitter / receiver, a coil, units data storage (memories) ...
  • the dial 28 may comprise several identical control units 36 engraved in its lower face 50.
  • a control unit 36 is deficient, it suffices to connect the control circuit 22 to another unit of control. 36 control in working order.
  • the dial 28 may also include several control units 36 of different types, which makes it possible to use the same dial 28 for different types of watches 10. Thus, when the watch 10 is assembled, it is sufficient to connect the circuit control 22 to the control unit 36 adapted to the type of watch being assembled.
  • FIG. 3 shows a second embodiment of the watch 10 according to the invention comprising a drive device 30 in which the electric motor 66 is made in the form of an electromechanical microsystem by etching into a plate. silicon.
  • Such a type of motor 66 is described and shown, for example, in the document WO 2004/081695 , incorporated herein by reference.
  • the motor is made by etching in a silicon layer. It comprises a toothed drive wheel and actuating fingers which cooperate with the teeth of the wheel to cause its rotation. Each actuating finger is integral in displacement of a moving comb which moves relative to a fixed comb according to a voltage applied to the fixed comb.
  • S.O.I. motor 66 a technique for manufacturing the so-called S.O.I. motor 66 is used.
  • Silicon-On-Insulator such as that described with reference to Figures 7A-7D in the document mentioned above, and which allows to easily detach the moving parts of the silicon substrate that carries them.
  • the motor 66 has the form of an attached component which is fixed on the underside 50 of the dial 28, for example by gluing or welding.
  • the drive wheel (not shown) of the motor 66 meshes with a timer train 68 which is attached adjacent to the underside of the dial 28 and which drives the needles 26 at a suitable gear ratio.
  • the underside 50 of the dial 28 comprises conductive tracks 70 for connecting the motor 66 to associated contact bumps 72 arranged on the lower face 50 of the dial 28.
  • this electrical connection could be made in a different manner, for example by means of conducting son according to the technique known as "wire bonding" which is already implemented for integrated circuits.
  • the contact bumps 72 associated with the motor 66 come into electrical contact with conductive tracks 58 arranged opposite each other, on the upper face 60 of the printed circuit board 32, so as to allow the electrical connection of the motor 66 with the other components of the control circuit 22.
  • the conductive tracks 58 arranged on the lower face 50 of the dial 28 can also make it possible to directly connect the motor 66 to the control unit 36.
  • This second embodiment has the advantage of being more compact in height. In addition, it allows to integrate several components in the dial 28.
  • the manufacturing technique used is the technique S.O.I. so that the main body 48 of the dial 28 comprises, from top to bottom, an upper layer 74 of silicon forming a substrate, for example 350 microns thick, an intermediate layer 76 of silicon oxide (SiO2) insulating and a lower layer 78 of silicon, for example 15 to 75 microns thick.
  • the control unit 36, the oscillator 34, and the motor 66 are formed in the lower layer 78.
  • Conductive tracks 80 are also formed in the lower layer 78 to electrically connect the components to each other.
  • the motor 66 can be made according to the teachings of the document WO 2004/081695 cited previously.
  • the oscillator 34 can be produced according to the teachings of the document WO 2001/33711 , incorporated herein by reference, which describes and represents a silicon oscillator provided to be made on the same substrate as the integrated circuit forming the control unit 36 of the watch 10.
  • the oscillator 34 thus has the shape of a microphone - or electromechanical nano-structure which is etched in the main body 48 of the dial 28 and which is electrically connected to the control circuit 22.
  • the timer train 68 is here arranged in a housing 82 which is adjacent to the motor 66 and which is arranged in the lower layer 78 of the dial 28, to allow the timer train 68 to be rotated by the motor 66.
  • An intermediate electrical connection element such as a metal contact blade 84 can be fixed on the lower surface 50 of the dial 28 to connect the battery 46 to the control circuit 22.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
EP05108136A 2005-09-06 2005-09-06 Uhr mit einem halbleitenden Zifferblatt Active EP1760557B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE602005017620T DE602005017620D1 (de) 2005-09-06 2005-09-06 Uhr mit einem halbleitenden Zifferblatt
AT05108136T ATE448511T1 (de) 2005-09-06 2005-09-06 Uhr mit einem halbleitenden zifferblatt
EP05108136A EP1760557B1 (de) 2005-09-06 2005-09-06 Uhr mit einem halbleitenden Zifferblatt
SG200605814-3A SG131020A1 (en) 2005-09-06 2006-08-24 Timepiece including a dial made of semiconductor material and dial for the same
TW095131809A TW200734840A (en) 2005-09-06 2006-08-29 Timepiece including a dial made of semiconductor material and dial for the same
JP2006234669A JP4842737B2 (ja) 2005-09-06 2006-08-30 半導体材料製の文字板を有する時計と半導体材料製の文字板
CNB2006101514031A CN100454181C (zh) 2005-09-06 2006-09-05 包括由半导体材料制造的表盘的计时器和用于该计时器的表盘
US11/470,288 US7663979B2 (en) 2005-09-06 2006-09-06 Timepiece including a dial made of semiconductor material
HK07103778.5A HK1097056A1 (en) 2005-09-06 2007-04-11 Timepiece including a dial made of semiconductor material and dial for the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05108136A EP1760557B1 (de) 2005-09-06 2005-09-06 Uhr mit einem halbleitenden Zifferblatt

Publications (2)

Publication Number Publication Date
EP1760557A1 true EP1760557A1 (de) 2007-03-07
EP1760557B1 EP1760557B1 (de) 2009-11-11

Family

ID=36143434

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05108136A Active EP1760557B1 (de) 2005-09-06 2005-09-06 Uhr mit einem halbleitenden Zifferblatt

Country Status (9)

Country Link
US (1) US7663979B2 (de)
EP (1) EP1760557B1 (de)
JP (1) JP4842737B2 (de)
CN (1) CN100454181C (de)
AT (1) ATE448511T1 (de)
DE (1) DE602005017620D1 (de)
HK (1) HK1097056A1 (de)
SG (1) SG131020A1 (de)
TW (1) TW200734840A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3495897A1 (de) 2017-12-08 2019-06-12 ETA SA Manufacture Horlogère Suisse Uhr, die einen an einer halteplatte befestigten elektromotor umfasst

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2687919A1 (de) * 2012-07-16 2014-01-22 ETA SA Manufacture Horlogère Suisse Antistoss-Befestigungsmittel eines Elektronikmoduls mit einem Quarzresonator
TWI454865B (zh) * 2013-05-06 2014-10-01 Princo Corp 腕錶結構、腕錶用的電子機芯及腕錶的製造方法
TWI489227B (zh) * 2013-05-06 2015-06-21 巨擘科技股份有限公司 腕錶結構、腕錶用的電子旋鈕以及顯示器型腕錶
JP6488590B2 (ja) * 2013-11-19 2019-03-27 セイコーエプソン株式会社 導通部材、ソーラーウォッチ、太陽電池モジュール、電子機器
CN111142362B (zh) * 2019-06-13 2024-03-22 广东小天才科技有限公司 可提升天线性能的智能主机及智能手表

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH626496GA3 (en) * 1977-12-12 1981-11-30 Electronic timepiece with analog and digital display
US4320483A (en) * 1979-04-09 1982-03-16 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Attaching device of a dial on stationary parts of a timepiece movement
US4599251A (en) * 1983-06-23 1986-07-08 Metalem S.A. Decorated article, method of fabricating the same and substrates used in connection therewith
EP0884661A2 (de) * 1997-06-13 1998-12-16 Junghans Uhren GmbH Kleinuhr mit Transponder
DE19857997A1 (de) * 1997-12-19 1999-08-19 Creativ Product Elektro Und Fe Zifferblatt für Armbanduhren
US6067277A (en) * 1997-09-09 2000-05-23 Asulab S.A. Dial formed of a solar cell in particular for a timepiece
WO2001033711A1 (en) 1999-11-02 2001-05-10 Eta Sa Fabriques D'ebauches Time base comprising an integrated micromechanical ring resonator
JP2003066169A (ja) * 2001-08-29 2003-03-05 Seiko Epson Corp 非接触データ通信機能を備えた時計
WO2004081695A2 (fr) 2003-03-05 2004-09-23 Centre National De La Recherche Scientifique (Cnrs) Dispositif mems comprenant un actionneur apte a generer un mouvement d’entrainement a hysteresis.
FR2855651A1 (fr) * 2003-06-02 2004-12-03 Jean Francois Lanier Procede de realisation de cadran d'afficheur par traitement de substrat en silicium

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
CH1342362A4 (de) 1962-11-16 1968-02-15
US3427797A (en) * 1966-12-12 1969-02-18 Kenjiro Kimura Timepiece using a solar battery as the power source
US3672155A (en) * 1970-05-06 1972-06-27 Hamilton Watch Co Solid state watch
IT992650B (it) * 1973-07-19 1975-09-30 Ates Componenti Elettron Elemento per accoppiare un radiatore di calore con la massa termica di un dispositivo integra to nel montaggio su circuito stam pato
GB1578573A (en) * 1976-06-08 1980-11-05 Citizen Watch Co Ltd Solar cell timepiece
US4059953A (en) * 1976-06-18 1977-11-29 General Time Corporation Timepiece calendar indexing apparatus
US4255802A (en) * 1977-11-29 1981-03-10 Citizen Watch Company Limited Electronic timepiece
JPS55138682A (en) * 1979-04-17 1980-10-29 Hamasawa Kogyo:Kk Dial for wristwatch
JPH04295791A (ja) * 1991-03-25 1992-10-20 Seiko Epson Corp 時計用文字板
JPH07209439A (ja) * 1994-01-18 1995-08-11 Citizen Watch Co Ltd 時計用文字板およびその製造方法
JP2001272480A (ja) * 2000-03-24 2001-10-05 Miyota Kk 通信機能付き腕時計
US20060126443A1 (en) * 2004-12-09 2006-06-15 Stanley Kuo Electric power supply mechanism on spinning indicator

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH626496GA3 (en) * 1977-12-12 1981-11-30 Electronic timepiece with analog and digital display
US4320483A (en) * 1979-04-09 1982-03-16 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Attaching device of a dial on stationary parts of a timepiece movement
US4599251A (en) * 1983-06-23 1986-07-08 Metalem S.A. Decorated article, method of fabricating the same and substrates used in connection therewith
EP0884661A2 (de) * 1997-06-13 1998-12-16 Junghans Uhren GmbH Kleinuhr mit Transponder
US6067277A (en) * 1997-09-09 2000-05-23 Asulab S.A. Dial formed of a solar cell in particular for a timepiece
DE19857997A1 (de) * 1997-12-19 1999-08-19 Creativ Product Elektro Und Fe Zifferblatt für Armbanduhren
WO2001033711A1 (en) 1999-11-02 2001-05-10 Eta Sa Fabriques D'ebauches Time base comprising an integrated micromechanical ring resonator
JP2003066169A (ja) * 2001-08-29 2003-03-05 Seiko Epson Corp 非接触データ通信機能を備えた時計
WO2004081695A2 (fr) 2003-03-05 2004-09-23 Centre National De La Recherche Scientifique (Cnrs) Dispositif mems comprenant un actionneur apte a generer un mouvement d’entrainement a hysteresis.
FR2855651A1 (fr) * 2003-06-02 2004-12-03 Jean Francois Lanier Procede de realisation de cadran d'afficheur par traitement de substrat en silicium

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 07 3 July 2003 (2003-07-03) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3495897A1 (de) 2017-12-08 2019-06-12 ETA SA Manufacture Horlogère Suisse Uhr, die einen an einer halteplatte befestigten elektromotor umfasst
US11119447B2 (en) 2017-12-08 2021-09-14 Eta Sa Manufacture Horlogere Suisse Timepiece comprising an electric motor fixed to a mounting plate

Also Published As

Publication number Publication date
ATE448511T1 (de) 2009-11-15
EP1760557B1 (de) 2009-11-11
DE602005017620D1 (de) 2009-12-24
CN100454181C (zh) 2009-01-21
HK1097056A1 (en) 2007-06-15
US7663979B2 (en) 2010-02-16
US20070053241A1 (en) 2007-03-08
JP2007071873A (ja) 2007-03-22
CN1928743A (zh) 2007-03-14
JP4842737B2 (ja) 2011-12-21
SG131020A1 (en) 2007-04-26
TW200734840A (en) 2007-09-16

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