EP1138516A2 - Procédé pour former une gravure dans la masse d'un corps plat et appareil pour la réalisation dudit procédé - Google Patents

Procédé pour former une gravure dans la masse d'un corps plat et appareil pour la réalisation dudit procédé Download PDF

Info

Publication number
EP1138516A2
EP1138516A2 EP01107685A EP01107685A EP1138516A2 EP 1138516 A2 EP1138516 A2 EP 1138516A2 EP 01107685 A EP01107685 A EP 01107685A EP 01107685 A EP01107685 A EP 01107685A EP 1138516 A2 EP1138516 A2 EP 1138516A2
Authority
EP
European Patent Office
Prior art keywords
flat body
engraving
flat
internal
measuring device
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
EP01107685A
Other languages
German (de)
English (en)
Other versions
EP1138516A3 (fr
EP1138516B1 (fr
Inventor
Andreas Wienkamp
Remy Renaud
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.)
Vitro Laser GmbH
Original Assignee
Vitro Laser GmbH
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 Vitro Laser GmbH filed Critical Vitro Laser GmbH
Publication of EP1138516A2 publication Critical patent/EP1138516A2/fr
Publication of EP1138516A3 publication Critical patent/EP1138516A3/fr
Application granted granted Critical
Publication of EP1138516B1 publication Critical patent/EP1138516B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/262—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used recording or marking of inorganic surfaces or materials, e.g. glass, metal, or ceramics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used

Definitions

  • the invention relates at least to a method for introducing an interior engraving in a flat body in particular made of transparent material, preferably in one Flat glass that has a mechanical prestress or which subsequently receives a mechanical preload.
  • the invention also relates to an insertion device at least one inside engraving in a flat body, in particular made of transparent material, preferably in a flat glass that has a mechanical prestress or who subsequently receives a mechanical prestress, comprising at least one radiation source for generating the Beam high power density, a focusing optics for Focus the beam and a holding device for the flat body, especially for performing the aforementioned Procedure.
  • Flat bodies preferably flat glasses, are used for certain Purpose mechanically pre-stressed.
  • Preloading increases mechanical strength.
  • the preloading also causes the setting a specific crumbly breaking behavior, a risk of injury if the flat body breaks to prevent.
  • Pre-stressing creates sections in a flat body of opposite mechanical stresses.
  • Methods of the type mentioned are for the technical marking or for the decoration of three-dimensional bodies known.
  • compact glass bodies such as glass cubes due to internal engravings or glass balls, decorated or labeled.
  • the invention has for its object with a method of the genus mentioned at the beginning flat bodies or flat ones intended for prestressing Body in particular made of transparent material to be engraved on the inside. A device is also intended be demonstrated for performing the method.
  • this object is achieved according to the invention solved that for the introduction of the inner engraving at least a high power density beam is used is in an effective volume immediately below the Flat body surface is focused.
  • the interior engraving uses a beam of high power density.
  • This beam preferably a laser beam
  • This beam is in an effective volume immediately below the Focused flat body surface. From the effective volume an inner engraving point is formed. Because of the focus just below the surface of the flat body is the inside engraving point likewise immediately below the surface of the flat Body arranged.
  • the inside engraving is preferred from several inner engraving points, each separate from each other formed with each inner engraving point is formed by an effective volume.
  • Power density immediately below the surface of the flat body are the or, are the internal engraving points arranged in the section of the flat body that under Compressive stress is present. This avoids internal engraving points in the core area of the flat body, for example a flat glass pane, to be arranged under Tension is there.
  • the method according to the invention is also for a flat one Apply body after inserting internal engraving points is mechanically preloaded.
  • This one too Body is to be carried out according to the method of the invention, are the inner engraving points immediately below to arrange its surface.
  • the interior engraving points are such according to the inventive method immediately below the surface of the flat body arranged that the inner engraving points within one Layer whose thickness is about 25% of the total thickness of the body.
  • the beam of high power density is thus focused in such a way that the effective volumes trained in the upper quarter of the body to be treated the surface of the body is not injured becomes.
  • Each inner engraving point is preferably of a diameter trained, which is approximately equal to the distance from each other adjacent engraving points. Too closely arranging each other neighboring inner engraving points would become one Weakening of the engraved material, in particular with a pretension to break the material could lead. Then there would be local destruction if tensile stress occurs, the tear continues Body will be destroyed.
  • the diameter of an internal engraving point is, for example, 100 to 300 microns.
  • At least three internal engraving points be arranged three-dimensionally to each other. It is possible in addition to two-dimensional and three-dimensional Form internal engravings in a flat body. It is important to ensure that everyone Internal engraving points of a three-dimensional marking are located within the section under compressive stresses stands.
  • Each interior engraving point is a two-dimensional one or with a three-dimensional interior engraving below arranged on the surface of the flat body.
  • two-dimensional Internal engravings are preferably provided, that each interior engraving point is equidistant from the surface formed below the surface of the flat body becomes. By setting this equal distance is advantageously avoided that internal engraving points formed within the core area of the flat body become.
  • the task according to the invention is thereby solved that a device of the aforementioned Genus a measuring device for measuring the distance between the focusing optics and the surface of the flat Body.
  • This adjustment can be done by changing the distance between the body surface and focusing optics or by changing the focal length of the focusing optics respectively.
  • the measuring device is, for example, the focusing optics assigned. It can be a non-contact measurement Be a measuring device, preferably a laser measuring device. In addition to flat glasses, flat ones can also be used Plastic discs are treated.
  • Embodiments of the invention from which there are further inventive features are shown in the drawing shown.
  • the two figures of the drawing show devices for inserting at least one internal engraving in a flat body.
  • a flat body 1 With each device, a flat body 1, the approximately is plate-shaped, with one or more Internal engravings 2 provided.
  • Each inner engraving 2 consists of several separate internal engraving points, which in the exemplary embodiments shown approximately along a line is formed inside the flat body 1 become.
  • Each beam 3 is a laser beam and is in a schematically illustrated laser beam source 4 generated and one or, if necessary several deflecting mirrors 5 in the direction of the flat body 1 directed.
  • An actuating device is located in the light path of the beam 3 6 to change the focal length of the beam 3 arranged.
  • the focusing optics 8 is for example as a flat field lens (f-theta optics) or designed as telecentric optics.
  • Each of the devices also has a measuring device 10 assigned to the respective focusing optics 8 is. With this measuring device 10 is the distance z between the focusing optics 8 and the one facing them Surface 9 of the flat body 1 continuously measurable.
  • the measuring device 10 preferably works without contact.
  • the flat body 1 is no further on one shown table arranged. With the arrows x and y is shown that the body 1 with the table in one horizontal plane is freely movable.
  • the focusing optics 8 with respect to the surface 9 of the flat Body 1 in the direction of the arrow marked z be variably arranged.
  • the Focusing optics 8 can be parallel to the plane of the table Plane freely movable according to arrows x and y his.

Landscapes

  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laser Beam Processing (AREA)
  • Surface Treatment Of Glass (AREA)
  • Adornments (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
EP01107685A 2000-03-29 2001-03-28 Procédé pour former une gravure dans la masse d'un corps plat et appareil pour la réalisation dudit procédé Expired - Lifetime EP1138516B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10015702A DE10015702A1 (de) 2000-03-29 2000-03-29 Verfahren zum Einbringen wenigstens einer Innengravur in einen flachen Körper und Vorrichtung zum Durchführen des Verfahrens
DE10015702 2000-03-29

Publications (3)

Publication Number Publication Date
EP1138516A2 true EP1138516A2 (fr) 2001-10-04
EP1138516A3 EP1138516A3 (fr) 2003-07-23
EP1138516B1 EP1138516B1 (fr) 2006-02-22

Family

ID=7636891

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01107685A Expired - Lifetime EP1138516B1 (fr) 2000-03-29 2001-03-28 Procédé pour former une gravure dans la masse d'un corps plat et appareil pour la réalisation dudit procédé

Country Status (3)

Country Link
EP (1) EP1138516B1 (fr)
AT (1) ATE318217T1 (fr)
DE (2) DE10015702A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2204255A2 (fr) 2000-09-13 2010-07-07 Hamamatsu Photonics K. K. Appareil d'usinage laser avec un contrôleur pour positionner le point de focalisation à différents niveaux dans la pièce à usiner
ITTO20090018A1 (it) * 2009-01-13 2010-07-14 Bottero Spa Metodo per la codifica di una lastra di vetro stratificata e lastra di vetro stratificata ottenuta con tale metodo
US8183131B2 (en) 2002-03-12 2012-05-22 Hamamatsu Photonics K. K. Method of cutting an object to be processed
US8268704B2 (en) 2002-03-12 2012-09-18 Hamamatsu Photonics K.K. Method for dicing substrate
US8450187B2 (en) 2002-12-03 2013-05-28 Hamamatsu Photonics K.K. Method of cutting semiconductor substrate
US8547008B2 (en) 2006-01-12 2013-10-01 Ppg Industries Ohio, Inc. Material having laser induced light redirecting features
US8629610B2 (en) 2006-01-12 2014-01-14 Ppg Industries Ohio, Inc. Display panel
EP2685306A1 (fr) 2012-07-11 2014-01-15 Carl Zeiss Vision International GmbH Verre de lunette, son procédé de fabrication et dispositif de fabrication d'un verre de lunette
US8969752B2 (en) 2003-03-12 2015-03-03 Hamamatsu Photonics K.K. Laser processing method
US11008250B2 (en) 2014-06-25 2021-05-18 Nkt Photonics A/S Laser processing

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FR2852250B1 (fr) 2003-03-11 2009-07-24 Jean Luc Jouvin Fourreau de protection pour canule, un ensemble d'injection comportant un tel fourreau et aiguille equipee d'un tel fourreau
DE60315515T2 (de) 2003-03-12 2007-12-13 Hamamatsu Photonics K.K., Hamamatsu Laserstrahlbearbeitungsverfahren
DE10356223A1 (de) 2003-12-02 2005-06-30 Mtu Aero Engines Gmbh Verfahren, Vorrichtung und Probekörper zum Prüfen eines Bauteils, sowie Verwendung des Verfahrens und der Vorrichtung
DE102007004524B4 (de) 2007-01-24 2022-02-03 Carl Zeiss Vision Gmbh Verfahren zur Erzeugung einer sichtbaren Struktur mit mehreren nebeneinander angeordneten Gravurpunkten in einem transparenten Gegenstand sowie transparenter Gegenstand
DE102009025671A1 (de) 2008-06-19 2009-12-24 Andreas Mader Verfahren zur Bearbeitung eines insbesondere transparenten und/oder lichtdurchlässigen Elements
DE202008017478U1 (de) 2008-07-17 2009-09-17 Schott Ag Photovoltaik-Modul mit teilvorgespannter gläserner Abdeckscheibe mit Innengravur
CN101987554B (zh) * 2009-08-07 2013-04-17 深圳市大族激光科技股份有限公司 一种激光雕刻装置
DE102009059015B4 (de) * 2009-12-17 2014-02-13 Heraeus Quarzglas Gmbh & Co. Kg Quarzglasbauteil mit opaker Innenzone sowie Verfahren zur Herstellung desselben
DE102011106097B4 (de) 2011-06-09 2017-02-16 Cero Gmbh Verfahren und Vorrichtung zum Bearbeiten eines Werkstückes
DE102014205066A1 (de) 2014-03-19 2015-10-08 Schott Ag Vorgespannter Glasartikel mit Laserinnengravur und Herstellverfahren
EP3263271A1 (fr) 2016-06-30 2018-01-03 Cero GmbH Procédé de traitement de la surface de verres précontraints

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DE1696714B1 (de) * 1968-03-13 1970-12-03 Zeiss Carl Fa Verfahren zur Herstellung eines Kennzeichens auf durchsichtigen Werkstoffen
FR2495982A1 (fr) * 1980-12-16 1982-06-18 Saint Gobain Vitrage Procede de traitement d'un vitrage feuillete, notamment pour y executer une marque non falsifiable et vitrages obtenus
DE3425263A1 (de) * 1983-07-22 1985-01-31 Friedrich Schiller Universität, DDR 6900 Jena Verfahren zum einschreiben von informationen in das volumen von materialien mittels laserstrahl
DE3826355A1 (de) * 1988-08-03 1990-04-26 Flachglas Ag Verfahren zum beschriften von verbundbauteilen mit laserstrahlung und mit diesem verfahren hergestelltes verbundbauteil
IL99170A0 (en) * 1990-08-15 1992-07-15 United Distillers Plc Method and apparatus for sub-surface marking
CA2152067A1 (fr) * 1992-12-18 1994-07-07 Boris Goldfarb Methode et appareil de gravure d'images dans des corps solides
DE4326314A1 (de) * 1993-08-05 1995-02-09 Ver Glaswerke Gmbh Verfahren zum Beschriften einer eingebauten Autoglasscheibe
DE4407547C2 (de) * 1994-03-07 1996-05-30 Swarovski & Co Körper aus transparentem Material mit einer Markierung und Verfahren zu dessen Herstellung
LT4108B (en) * 1995-05-12 1997-01-27 Uzdaroji Akcine Bendrove Eksma Method and apparatus for laser marking of products from transparent materials
DE19841547B4 (de) * 1998-09-11 2004-04-08 Martin-Luther-Universität Halle-Wittenberg Gläser mit farbigen Strukturen und Verfahren zu deren Herstellung

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8716110B2 (en) 2000-09-13 2014-05-06 Hamamatsu Photonics K.K. Laser processing method and laser processing apparatus
US10796959B2 (en) 2000-09-13 2020-10-06 Hamamatsu Photonics K.K. Laser processing method and laser processing apparatus
EP2204255A3 (fr) * 2000-09-13 2010-07-21 Hamamatsu Photonics K. K. Appareil d'usinage laser avec un contrôleur pour positionner le point de focalisation à différents niveaux dans la pièce à usiner
EP2324948A1 (fr) * 2000-09-13 2011-05-25 Hamamatsu Photonics K. K. Méthode d'usinage d'un objet avec formation de trois régions modifiées, point de départ pour la découpe de l'objet
EP2359976A1 (fr) * 2000-09-13 2011-08-24 Hamamatsu Photonics K. K. Méthode d'usinage d'un objet avec formation de trois régions modifiées, point de départ pour la découpe de l'objet
US9837315B2 (en) 2000-09-13 2017-12-05 Hamamatsu Photonics K.K. Laser processing method and laser processing apparatus
US8227724B2 (en) 2000-09-13 2012-07-24 Hamamatsu Photonics K.K. Laser processing method and laser processing apparatus
US8946591B2 (en) 2000-09-13 2015-02-03 Hamamatsu Photonics K.K. Method of manufacturing a semiconductor device formed using a substrate cutting method
US8283595B2 (en) 2000-09-13 2012-10-09 Hamamatsu Photonics K.K. Laser processing method and laser processing apparatus
US8946592B2 (en) 2000-09-13 2015-02-03 Hamamatsu Photonics K.K. Laser processing method and laser processing apparatus
EP2204255A2 (fr) 2000-09-13 2010-07-07 Hamamatsu Photonics K. K. Appareil d'usinage laser avec un contrôleur pour positionner le point de focalisation à différents niveaux dans la pièce à usiner
US8937264B2 (en) 2000-09-13 2015-01-20 Hamamatsu Photonics K.K. Laser processing method and laser processing apparatus
US8361883B2 (en) 2002-03-12 2013-01-29 Hamamatsu Photonics K.K. Laser processing method
US8268704B2 (en) 2002-03-12 2012-09-18 Hamamatsu Photonics K.K. Method for dicing substrate
US8518800B2 (en) 2002-03-12 2013-08-27 Hamamatsu Photonics K.K. Substrate dividing method
US11424162B2 (en) 2002-03-12 2022-08-23 Hamamatsu Photonics K.K. Substrate dividing method
US8551865B2 (en) 2002-03-12 2013-10-08 Hamamatsu Photonics K.K. Method of cutting an object to be processed
US8598015B2 (en) 2002-03-12 2013-12-03 Hamamatsu Photonics K.K. Laser processing method
US10622255B2 (en) 2002-03-12 2020-04-14 Hamamatsu Photonics K.K. Substrate dividing method
US10068801B2 (en) 2002-03-12 2018-09-04 Hamamatsu Photonics K.K. Substrate dividing method
US8519511B2 (en) 2002-03-12 2013-08-27 Hamamatsu Photonics K.K. Substrate dividing method
US8183131B2 (en) 2002-03-12 2012-05-22 Hamamatsu Photonics K. K. Method of cutting an object to be processed
US8802543B2 (en) 2002-03-12 2014-08-12 Hamamatsu Photonics K.K. Laser processing method
US9711405B2 (en) 2002-03-12 2017-07-18 Hamamatsu Photonics K.K. Substrate dividing method
US8889525B2 (en) 2002-03-12 2014-11-18 Hamamatsu Photonics K.K. Substrate dividing method
US9553023B2 (en) 2002-03-12 2017-01-24 Hamamatsu Photonics K.K. Substrate dividing method
US8314013B2 (en) 2002-03-12 2012-11-20 Hamamatsu Photonics K.K. Semiconductor chip manufacturing method
US8518801B2 (en) 2002-03-12 2013-08-27 Hamamatsu Photonics K.K. Substrate dividing method
US9548246B2 (en) 2002-03-12 2017-01-17 Hamamatsu Photonics K.K. Substrate dividing method
US9543207B2 (en) 2002-03-12 2017-01-10 Hamamatsu Photonics K.K. Substrate dividing method
US9142458B2 (en) 2002-03-12 2015-09-22 Hamamatsu Photonics K.K. Substrate dividing method
US9287177B2 (en) 2002-03-12 2016-03-15 Hamamatsu Photonics K.K. Substrate dividing method
US9543256B2 (en) 2002-03-12 2017-01-10 Hamamatsu Photonics K.K. Substrate dividing method
US8450187B2 (en) 2002-12-03 2013-05-28 Hamamatsu Photonics K.K. Method of cutting semiconductor substrate
US8865566B2 (en) 2002-12-03 2014-10-21 Hamamatsu Photonics K.K. Method of cutting semiconductor substrate
US8969752B2 (en) 2003-03-12 2015-03-03 Hamamatsu Photonics K.K. Laser processing method
US8629610B2 (en) 2006-01-12 2014-01-14 Ppg Industries Ohio, Inc. Display panel
US8547008B2 (en) 2006-01-12 2013-10-01 Ppg Industries Ohio, Inc. Material having laser induced light redirecting features
ITTO20090018A1 (it) * 2009-01-13 2010-07-14 Bottero Spa Metodo per la codifica di una lastra di vetro stratificata e lastra di vetro stratificata ottenuta con tale metodo
US9122073B2 (en) 2012-07-11 2015-09-01 Carl Zeiss Vision International Gmbh Spectacle lens and method and apparatus for making the same
DE102012013683A1 (de) 2012-07-11 2014-05-15 Carl Zeiss Vision International Gmbh Brillenlinse, Verfahren zu deren Herstellung sowie Vorrichtung zur Herstellung einer Brillenlinse
EP2685306A1 (fr) 2012-07-11 2014-01-15 Carl Zeiss Vision International GmbH Verre de lunette, son procédé de fabrication et dispositif de fabrication d'un verre de lunette
US11008250B2 (en) 2014-06-25 2021-05-18 Nkt Photonics A/S Laser processing

Also Published As

Publication number Publication date
ATE318217T1 (de) 2006-03-15
EP1138516A3 (fr) 2003-07-23
DE50108969D1 (de) 2006-04-27
EP1138516B1 (fr) 2006-02-22
DE10015702A1 (de) 2001-10-18

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