EP2952978A1 - Verkleidungselement aus fotostrukturierbarem glas - Google Patents

Verkleidungselement aus fotostrukturierbarem glas Download PDF

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Publication number
EP2952978A1
EP2952978A1 EP15167412.4A EP15167412A EP2952978A1 EP 2952978 A1 EP2952978 A1 EP 2952978A1 EP 15167412 A EP15167412 A EP 15167412A EP 2952978 A1 EP2952978 A1 EP 2952978A1
Authority
EP
European Patent Office
Prior art keywords
piece
silicon
cladding
alloys
substrate
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
EP15167412.4A
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English (en)
French (fr)
Other versions
EP2952978B1 (de
Inventor
Philippe Dubois
Thierry Hessler
Christian Charbon
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.)
Swatch Group Research and Development SA
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Swatch Group Research and Development SA
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Filing date
Publication date
Application filed by Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP15167412.4A priority Critical patent/EP2952978B1/de
Publication of EP2952978A1 publication Critical patent/EP2952978A1/de
Application granted granted Critical
Publication of EP2952978B1 publication Critical patent/EP2952978B1/de
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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
    • G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
    • G04B39/002—Watch crystals; Fastening or sealing of crystals; Clock glasses made of glass
    • 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
    • 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
    • G04B37/00—Cases
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D3/00—Watchmakers' or watch-repairers' machines or tools for working materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/19—Sheets or webs edge spliced or joined

Definitions

  • the invention relates to a photostructurable glass-based covering part and in particular to such a covering part comprising at least one part based on photostructurable glass and at least one other part based on silicon, metal or ceramic .
  • trim parts are formed using fragile materials such as those based on silicon or ceramic.
  • fragile materials such as those based on silicon or ceramic.
  • the object of the present invention is to overcome all or part of the disadvantages mentioned above by providing a trim part which is less limited in its shape while having the possibility of always using silicon-based or ceramic parts.
  • the invention relates to a covering part comprising a first portion based on photostructurable glass, at least a second part based on at least one second material characterized in that a surface of the first part is secured on a surface of the second part to form a piece of one-piece cladding.
  • the covering part is of the composite type, that is to say formed of glass photostructurable and at least one other material. It is thus clear that particular shapes can be obtained by the photostructurable glass part while keeping a functional element based on silicon, metal or ceramic.
  • the invention relates to a timepiece characterized in that it comprises a trim piece according to one of the preceding variants.
  • trim parts are made on the same substrate in order to manufacture them in series.
  • the invention relates to a trim piece for a timepiece formed using a first part based on photostructurable glass with a second part comprising the same type of material or a another type of material, that is to say, for example, based on silicon, metal or ceramic.
  • This piece of clothing has been devised for applications in the field of watchmaking and is made necessary by the structuring limitation of fragile materials such as those based on silicon or ceramic. It is possible, for example, to form a case, a dial, a flange, an ice, a bezel, a pusher, a crown, a case back, a needle or a bracelet wholly or partially based on materials. fragile.
  • the invention relates to a covering part comprising a first portion made of photostructurable glass, at minus a second part based on at least one second material, characterized in that a surface of the first part is secured to a surface of the second part so as to form a one-piece covering part.
  • the first part may have a greater possibility of shape while keeping a second part using the advantages of its material.
  • two surfaces of corresponding shapes are sufficient to secure the first part with the second part.
  • the one-piece cladding piece can be formed wholly or partially based on photostructurable glass.
  • said at least one second material may be based on silicon, metal or ceramic.
  • said at least one second material may also optionally comprise an intermediate material intended to promote bonding between two difficult to attach materials.
  • this intermediate material can be likened to a solder intended to attach two materials by joint adhesion to the intermediate material, or to form a layer intended to induce a sufficiently intense heating to generate the melting of the two materials.
  • said at least one second material is silicon-based, it may comprise monocrystalline silicon, doped monocrystalline silicon, polycrystalline silicon, doped polycrystalline silicon, porous silicon, silicon oxide, quartz, silica, silicon nitride or silicon carbide.
  • said at least one second material when it is based on ceramics, it may comprise photostructurable glass, borosilicate, aluminosilicate, quartz glass, zerodur, monocrystalline corundum, polycrystalline corundum, alumina, aluminum oxide, aluminum nitride, monocrystalline ruby, polycrystalline ruby, zirconium oxide, titanium oxide, titanium nitride, titanium carbide, tungsten nitride, tungsten carbide, boron nitride or boron carbide.
  • the said at least one second material when it is based on metal, it may comprise an iron alloy such as 15P, 20AP or 316L steel, a copper alloy such as brass, a nickel alloy such as nickel silver, titanium or one of its alloys, gold or one of its alloys, silver or one of its alloys, platinum or one of its alloys, ruthenium or one of its alloys, rhodium or an alloy thereof, or palladium or one of its alloys.
  • an iron alloy such as 15P, 20AP or 316L steel
  • a copper alloy such as brass
  • a nickel alloy such as nickel silver, titanium or one of its alloys, gold or one of its alloys, silver or one of its alloys, platinum or one of its alloys, ruthenium or one of its alloys, rhodium or an alloy thereof, or palladium or one of its alloys.
  • said at least one second material also based on silicon, metal or ceramic, may also comprise at least one partial coating of silicon oxide, silicon nitride, silicon carbide or an allotrope of the carbon.
  • the first part and / or the second part can form a wide variety of trim parts for a timepiece.
  • the first part and / or the second part can thus form in particular a housing 1 such as the middle part 2 and the horns 3, a dial 4, a flange, a bezel 5, a pusher 6, a crown 7, a bottom 8 of the housing , a needle 9, a bracelet 10 as a link 11, a decoration 12, a wall 13, an ice 14, a clasp, a dial foot, a crown rod or a push rod.
  • the figure 2 has a dressing part 21 forming a dial 22.
  • the body of the dial 22 comprises several appliques 23, 24 forming for example a timehole, a decor 25 may for example represent a trademark and several feet 26, 27 of dial for fixing the dial 22 to a timepiece.
  • the dial 22 can be integral at its contact surfaces 28, 29, 30, 31, 32 with the appliques 23, 24 and / or the decor 25 and / or the feet 26, 27 , the photostructurable glass-based part being formed by the dial 22 and / or the sconces 23, 24 and / or the decor 25 and / or the feet 26, 27.
  • other types of contact surface may be intended as sloping surfaces or non-rectilinear surfaces.
  • the first portion and / or the second portion may form a variety of trim pieces.
  • the housing 1 could be formed from a first part forming the middle part 2 and several second parts forming the horns 3 or the bracelet 10 could be formed from several first parts forming several links 11 each first part being secured to several second parts forming decorations.
  • a first portion could form a lens 14 and be integral with a second portion forming a bezel 5 or a magnifying glass
  • a first portion could form a pusher 6 and be integral with a second portion forming a push rod
  • a first part could form a ring 7 and be integral with a second portion forming a crown rod
  • a first portion could form a bottom 8 of the housing and be integral with a second portion forming an ice intended to show the watch movement
  • a first part could form a bracelet attachment link and be secured to a second part forming a clasp or a first part could form a bracelet link 11 and be secured to a second part forming a counter-link.
  • the invention relates to a manufacturing method comprising a first step a) intended to be provided with a first plate 51 based on photostructurable glass having a first pattern 53 etched as illustrated in FIG. figure 3 .
  • Such glasses are, for example, available from Schott AG under the brand name Foturan®, at Hoya Corp. PEG3® or LifeBioScience Inc. under the brand name Apex TM.
  • the photostructuration of a photostructurable glass allows a greater variety of shape than etching materials based on silicon or ceramic.
  • the photostructuring process consists in a first phase in an illumination at a wavelength corresponding to the photostructurable glass through a partially opaque mask at said wavelength. Depending on the amount, orientation and distribution of the illumination, areas in the photostructurable glass plate are structured.
  • the illumination source may for example be a UV lamp whose peak of spectral distribution is located at a wavelength of between 200 and 400 nm.
  • a second phase involves subjecting the photostructurable glass plate to heat treatment.
  • the heating temperature varies according to the photostructurable glass and can reach the order of 600 ° C.
  • This heat treatment makes the illuminated areas more selective for the last phase of elimination by chemical etching.
  • This etching can be carried out, for example, in a bath of about 10% hydrofluoric acid at room temperature and under ultrasound. We then obtain a wafer 51 as illustrated in FIG. figure 3 .
  • a second step b) is intended to provide at least a second wafer 55 in at least a second material having at least a second pattern 57 etched as illustrated in FIG. figure 4 .
  • dry etching such as deep reactive ion etching (DRIE), laser etching or plasma etching.
  • a wet etching such as a chemical etching or even a new photostructuration as explained above.
  • a photostructuration mixing a photolithography of a resin followed by a dry or wet etching can also be carried out.
  • a third step c) is intended to secure the first wafer 51 to the said at least one second wafer 55 to produce a one-piece substrate and, by superposition of the said patterns 53, 55, to form a one-piece wrap piece comprising a first thickness based on photostructurable glass and at least a second thickness of said at least one second material based on silicon, metal or ceramic.
  • the method comprises a final step d) for releasing the one-piece cladding piece from the substrate.
  • a wide variety of materials can be used to form trim parts industrially. As illustrated in figure 2 it is possible for example to obtain the dial 22 having a first thickness 22 based on photostructurable glass and at least a second thickness 23, 24, 26, 27 of said at least second material.
  • step b) may consist of forming a plurality of second platelets formed from the same material or from several different materials.
  • step c) it is therefore understood that it is possible to obtain, during step c), a one-piece substrate with three interlocked plates that then make it possible to form a covering part comprising a first thickness based on photostructurable glass forming the body of the dial 22 and at least two second thicknesses formed from the same material or several different materials forming the appliques 23, 24 and the feet 26, 27.
  • the invention relates to a manufacturing method comprising a first step e) intended to join a first photostructurable glass-based wafer to at least a second wafer in at least a second material for producing a substrate. monoblock using the same methods described in step c) of the first embodiment.
  • step f) intended to engrave a pattern in each of the wafers of the substrate and, by superposition of said patterns, to form a one-piece cladding piece having a first thickness based on photostructurable glass and at least a second thickness of said at least one second material using the same methods described in steps a) and b) of the first embodiment.
  • the method comprises a final step g) for releasing the monoblock cladding piece from the substrate.
  • a wide variety of materials can be used to form trim parts industrially. As illustrated in figure 2 it is possible for example to obtain the dial 22 having a first thickness 22 based on photostructurable glass and at least a second thickness 23, 24, 26, 27 of said at least second material.
  • step e) may also consist of producing a substrate with the aid of several second platelets formed from the same material or from several different materials.
  • a substrate with three integral inserts then making it possible to form a covering part comprising a first thickness based on photostructurable glass and at least two second thicknesses formed from the same material or several different materials as for the first embodiment.
  • the method can make it possible to manufacture several trim pieces 61 on the same substrate 63 as illustrated in FIG. figure 5 .
  • the present invention is not limited to the illustrated example but is susceptible of various variations and modifications that will occur to those skilled in the art.
  • platelets can be joined together and then a single engraving can be provided.
  • the method using platelets is preferred, that is to say that all the appliques 13, 23, 24 are structured in the same photostructurable glass plate and joined to another plate. However, nothing prevents to detach one by one the appliques 13, 23, 24 to join them progressively on another finite part such as the dial 4, 22.
EP15167412.4A 2014-06-03 2015-05-12 Verkleidungselement aus fotostrukturierbarem glas Active EP2952978B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15167412.4A EP2952978B1 (de) 2014-06-03 2015-05-12 Verkleidungselement aus fotostrukturierbarem glas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14171016 2014-06-03
EP15167412.4A EP2952978B1 (de) 2014-06-03 2015-05-12 Verkleidungselement aus fotostrukturierbarem glas

Publications (2)

Publication Number Publication Date
EP2952978A1 true EP2952978A1 (de) 2015-12-09
EP2952978B1 EP2952978B1 (de) 2017-03-08

Family

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EP15167412.4A Active EP2952978B1 (de) 2014-06-03 2015-05-12 Verkleidungselement aus fotostrukturierbarem glas

Country Status (7)

Country Link
US (2) US9958835B2 (de)
EP (1) EP2952978B1 (de)
JP (1) JP6154852B2 (de)
CN (1) CN105319945B (de)
CH (1) CH709729A2 (de)
HK (1) HK1221996A1 (de)
RU (1) RU2619732C2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3680731A1 (de) * 2019-01-08 2020-07-15 Patek Philippe SA Genève Herstellungsverfahren von uhrkomponenten aus zerbrechlichem material
US11719891B2 (en) 2020-08-05 2023-08-08 Corning Research & Development Corporation Method of making a lensed connector with photosensitive glass

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Publication number Priority date Publication date Assignee Title
EP3067220B1 (de) * 2015-03-13 2018-04-18 Rolex Sa Dekorationsverfahren eines uhrelements, und anhand eines solchen verfahrens hergestelltes uhrelement
CH712446A1 (fr) * 2016-05-10 2017-11-15 Lvmh Swiss Mft Sa Boîte de montre comportant des cornes amovibles et procédé d'assemblage d'un bracelet sur une telle boîte de montre.
EP3537226B1 (de) * 2018-03-06 2020-11-04 Nivarox-FAR S.A. Herstellungsverfahren einer diamantenpolierten applique für uhr
CN113693351A (zh) * 2021-08-19 2021-11-26 上海闻泰信息技术有限公司 手表
DE102022114229B3 (de) 2022-06-07 2023-10-26 Porsche Lifestyle GmbH & Co. KG Uhrengehäusegrundkörper, Uhr und Verfahren zur Herstellung einer Uhr

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EP1436830A1 (de) 2001-10-05 2004-07-14 Robert Bosch Gmbh Verfahren zur verbindung einer siliziumplatte mit einer weiteren platte
EP1791039A1 (de) * 2005-11-25 2007-05-30 The Swatch Group Research and Development Ltd. Spiralfeder aus athermisches Glas für ein Uhrwerk und Herstellungsverfahren dafür
EP2060534A1 (de) * 2007-11-16 2009-05-20 Nivarox-FAR S.A. Mikromechanisches Bauteil aus Silizium-Metall-Verbundmaterial und Verfahren zu dessen Herstellung
EP2145857A1 (de) * 2008-07-10 2010-01-20 The Swatch Group Research and Development Ltd. Verfahren zur Herstellung eines mikromechanischen Bauteils

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EP1548524B1 (de) * 2003-12-23 2007-08-22 Rolex S.A. Keramisches Element für Uhrengehäuse und Verfahren zu seiner Herstellung
ES2318778T3 (es) * 2005-06-28 2009-05-01 Eta Sa Manufacture Horlogere Suisse Pieza de micromecanica reforzada.
CH714952B1 (fr) * 2007-05-08 2019-10-31 Patek Philippe Sa Geneve Composant horloger, son procédé de fabrication et application de ce procédé.
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Publication number Priority date Publication date Assignee Title
US6710540B1 (en) * 1995-07-20 2004-03-23 E Ink Corporation Electrostatically-addressable electrophoretic display
EP1436830A1 (de) 2001-10-05 2004-07-14 Robert Bosch Gmbh Verfahren zur verbindung einer siliziumplatte mit einer weiteren platte
EP1791039A1 (de) * 2005-11-25 2007-05-30 The Swatch Group Research and Development Ltd. Spiralfeder aus athermisches Glas für ein Uhrwerk und Herstellungsverfahren dafür
EP2060534A1 (de) * 2007-11-16 2009-05-20 Nivarox-FAR S.A. Mikromechanisches Bauteil aus Silizium-Metall-Verbundmaterial und Verfahren zu dessen Herstellung
EP2145857A1 (de) * 2008-07-10 2010-01-20 The Swatch Group Research and Development Ltd. Verfahren zur Herstellung eines mikromechanischen Bauteils

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3680731A1 (de) * 2019-01-08 2020-07-15 Patek Philippe SA Genève Herstellungsverfahren von uhrkomponenten aus zerbrechlichem material
US11719891B2 (en) 2020-08-05 2023-08-08 Corning Research & Development Corporation Method of making a lensed connector with photosensitive glass

Also Published As

Publication number Publication date
RU2619732C2 (ru) 2017-05-17
US9958835B2 (en) 2018-05-01
US20150346693A1 (en) 2015-12-03
JP2015230308A (ja) 2015-12-21
US20180210402A1 (en) 2018-07-26
EP2952978B1 (de) 2017-03-08
JP6154852B2 (ja) 2017-06-28
CH709729A2 (fr) 2015-12-15
CN105319945B (zh) 2018-01-09
US10635052B2 (en) 2020-04-28
CN105319945A (zh) 2016-02-10
HK1221996A1 (zh) 2017-06-16
RU2015121112A (ru) 2016-12-27

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