EP1138516A2 - Verfahren zum Einbringen wenigstens einer Innengravur in einen flachen Körper und Vorrichtung zum Durchführen des Verfahrens - Google Patents
Verfahren zum Einbringen wenigstens einer Innengravur in einen flachen Körper und Vorrichtung zum Durchführen des Verfahrens Download PDFInfo
- 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
Links
Images
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)
- Adornments (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Surface Treatment Of Glass (AREA)
- Manufacture Or Reproduction Of Printing Formes (AREA)
Abstract
Description
Claims (10)
- Verfahren zum Einbringen wenigstens einer Innengravur in einen flachen Körper insbesondere aus transparentem Material, vorzugsweise in ein Flachglas, der eine mechanische Vorspannung aufweist bzw. der nachfolgend eine mechanische Vorspannung erhält,
dadurch gekennzeichnet, daß für das Einbringen zumindestens ein Strahl (3) hoher Leistungsdichte verwendet wird, der in einem Wirkvolumen unmittelbar unterhalb der Oberfläche des flachen Körpers (1) fokussiert wird. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Strahl (3) hoher Leistungsdichte in einer Schicht unterhalb der Oberfläche des flachen Körpers (1) fokussiert wird, wobei die Dicke dieser Schicht etwa 25 % der Gesamtdicke des Körpers (1) beträgt.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Innengravur (2) aus mehreren, voneinander jeweils separaten Innengravurpunkten gebildet wird, wobei jeder Innengravurpunkt aus einem Wirkvolumen ausgebildet wird.
- Verfahren nach Anspruch 3, dadurch gekennzeichnet, daß jeder Innengravurpunkt mit einem Durchmesser ausgebildet wird, der etwa gleich dem Abstand einander benachbarter Gravurpunkte ist.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß wenigstens drei Innengravurpunkte dreidimensional zueinander angeordnet werden.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß jeder Innengravurpunkt unterhalb der Oberfläche (9) des flachen Körpers (1) in gleichem Abstand zu dieser Oberfläche (9) ausgebildet wird.
- Vorrichtung zum Einbringen wenigstens einer Innengravur in einen flachen Körper insbesondere aus transparentem Material, vorzugsweise in ein Flachglas, der eine mechanische Vorspannung aufweist bzw, der nachfolgend eine mechanische Vorspannung erhält, umfassend wenigstens eine Strahlenquelle zum Erzeugen des Strahls hoher Leistungsdichte, eine Fokussieroptik zum Fokussieren des Strahls und eine Haltevorrichtung für den flachen Körper, insbesondere zur Durchführung des Verfahrens nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß sie eine Meßeinrichtung (10) zum Messen des Abstandes zwischen der Fokussieroptik (8) und der Oberfläche (9) des flachen Körpers (1) aufweist. - Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß die Meßeinrichtung (10) der Fokussieroptik (8) zugeordnet ist.
- Vorrichtung nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Meßeinrichtung (10) eine berührungslos messende Meßeinrichtung (10), vorzugsweise eine Laser-Meßeinrichtung (10), ist.
- Vorrichtung nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß die Strahlenquelle eine Laserstrahlquelle (4) ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10015702 | 2000-03-29 | ||
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 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1138516A2 true EP1138516A2 (de) | 2001-10-04 |
EP1138516A3 EP1138516A3 (de) | 2003-07-23 |
EP1138516B1 EP1138516B1 (de) | 2006-02-22 |
Family
ID=7636891
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01107685A Expired - Lifetime EP1138516B1 (de) | 2000-03-29 | 2001-03-28 | Verfahren zum Einbringen wenigstens einer Innengravur in einen flachen Körper und Vorrichtung zum Durchführen des Verfahrens |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1138516B1 (de) |
AT (1) | ATE318217T1 (de) |
DE (2) | DE10015702A1 (de) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2204255A2 (de) | 2000-09-13 | 2010-07-07 | Hamamatsu Photonics K. K. | Laser-Bearbeitungsvorrichtung mit einer Steuereinrichtung zur Positionierung des Fokuspunkts an unterschiedlichen Niveaus in dem zum bearbeitenden Werkstück |
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 (de) | 2012-07-11 | 2014-01-15 | Carl Zeiss Vision International GmbH | Brillenlinse, Verfahren zu deren Herstellung sowie Vorrichtung zur Herstellung einer Brillenlinse |
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 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
EP1609559B1 (de) | 2003-03-12 | 2007-08-08 | Hamamatsu Photonics K. K. | 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 (de) | 2016-06-30 | 2018-01-03 | Cero GmbH | Verfahren zum bearbeiten der oberfläche von vorgespannten gläsern |
Citations (5)
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DE3147385A1 (de) * | 1980-12-16 | 1982-09-16 | Vereinigte Glaswerke Gmbh, 5100 Aachen | "verfahren zum behandeln einer verbundglasscheibe, insbesondere zur faelschungssicheren kennzeichnung einer verbundglasscheibe" |
DE4126626A1 (de) * | 1990-08-15 | 1992-02-27 | United Distillers Plc | Unter der oberflaeche angeordnete markierungen |
WO1994014567A1 (en) * | 1992-12-18 | 1994-07-07 | Firebird Traders Ltd. | Process and apparatus for etching an image within a solid article |
DE4407547A1 (de) * | 1994-03-07 | 1995-09-21 | Swarovski & Co | Körper aus transparentem Material mit einer Markierung und Verfahren zu dessen Herstellung |
EP0743128A1 (de) * | 1995-05-12 | 1996-11-20 | NAICOTEC GmbH | Verfahren und Vorrichtung zur Kennzeichnung von Erzeugnissen aus transparenten (festen) Werkstoffen mittels Laser |
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DE1696714B1 (de) * | 1968-03-13 | 1970-12-03 | Zeiss Carl Fa | Verfahren zur Herstellung eines Kennzeichens auf durchsichtigen Werkstoffen |
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 |
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-
2000
- 2000-03-29 DE DE10015702A patent/DE10015702A1/de not_active Withdrawn
-
2001
- 2001-03-28 DE DE50108969T patent/DE50108969D1/de not_active Expired - Lifetime
- 2001-03-28 AT AT01107685T patent/ATE318217T1/de not_active IP Right Cessation
- 2001-03-28 EP EP01107685A patent/EP1138516B1/de not_active Expired - Lifetime
Patent Citations (5)
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DE3147385A1 (de) * | 1980-12-16 | 1982-09-16 | Vereinigte Glaswerke Gmbh, 5100 Aachen | "verfahren zum behandeln einer verbundglasscheibe, insbesondere zur faelschungssicheren kennzeichnung einer verbundglasscheibe" |
DE4126626A1 (de) * | 1990-08-15 | 1992-02-27 | United Distillers Plc | Unter der oberflaeche angeordnete markierungen |
WO1994014567A1 (en) * | 1992-12-18 | 1994-07-07 | Firebird Traders Ltd. | Process and apparatus for etching an image within a solid article |
DE4407547A1 (de) * | 1994-03-07 | 1995-09-21 | Swarovski & Co | Körper aus transparentem Material mit einer Markierung und Verfahren zu dessen Herstellung |
EP0743128A1 (de) * | 1995-05-12 | 1996-11-20 | NAICOTEC GmbH | Verfahren und Vorrichtung zur Kennzeichnung von Erzeugnissen aus transparenten (festen) Werkstoffen mittels Laser |
Non-Patent Citations (1)
Title |
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DICKMANN K.: "Innenbearbeitung von Glas mit Nd:YAG-Laser" LASER MAGAZIN, Bd. H. 1, 1995, Seiten 16-19, XP002240507 * |
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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 (de) * | 2000-09-13 | 2010-07-21 | Hamamatsu Photonics K. K. | Laser-Bearbeitungsvorrichtung mit einer Steuereinrichtung zur Positionierung des Fokuspunkts an unterschiedlichen Niveaus in dem zum bearbeitenden Werkstück |
EP2324948A1 (de) * | 2000-09-13 | 2011-05-25 | Hamamatsu Photonics K. K. | Verfahren zum bearbeiten eines Objektes mit Erzeugen von drei modifizierten Orten als Anfangspunkt zum schneiden dieses Objektes |
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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 |
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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 (de) | 2012-07-11 | 2014-01-15 | Carl Zeiss Vision International GmbH | Brillenlinse, Verfahren zu deren Herstellung sowie Vorrichtung zur Herstellung einer Brillenlinse |
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 |
DE50108969D1 (de) | 2006-04-27 |
EP1138516B1 (de) | 2006-02-22 |
EP1138516A3 (de) | 2003-07-23 |
DE10015702A1 (de) | 2001-10-18 |
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