EP2045091A2 - Assembly and method for illustrating a surface of a substrate - Google Patents
Assembly and method for illustrating a surface of a substrate Download PDFInfo
- Publication number
- EP2045091A2 EP2045091A2 EP08105180A EP08105180A EP2045091A2 EP 2045091 A2 EP2045091 A2 EP 2045091A2 EP 08105180 A EP08105180 A EP 08105180A EP 08105180 A EP08105180 A EP 08105180A EP 2045091 A2 EP2045091 A2 EP 2045091A2
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- Prior art keywords
- carrier
- coating material
- substrate
- arrangement according
- laser
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Classifications
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- 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
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
- B41J2/44—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements
- B41J2/442—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using single radiation source per colour, e.g. lighting beams or shutter arrangements using lasers
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- 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
- B41M5/382—Contact thermal transfer or sublimation processes
- B41M5/38207—Contact thermal transfer or sublimation processes characterised by aspects not provided for in groups B41M5/385 - B41M5/395
- B41M5/38221—Apparatus features
Definitions
- the invention relates to an arrangement and a method for inscribing a surface of a substrate by means of a laser transfer method.
- inscription of a surface of a substrate using a laser beam typically takes place by removing material or changing the material on the surface under the action of the absorbed laser energy.
- application of a flat layer of labeling material on the surface to be labeled the structured exposure of the layer and the replacement of unexposed layer surface areas.
- laser transfer methods are also known in which a transparent carrier is provided on one of the surfaces to be labeled facing side with a coating material and placed on the surface to be labeled or held at a defined distance from this.
- the film is adhered to a surface to be labeled and a laser beam is directed through the film on the layer sequence, wherein the absorber absorbs the laser energy and passes as heat to the glass particles and a metal oxide.
- the metal oxide precipitates on the surface to be labeled and is remelted with a glass envelope.
- the film is then removed from the surface again.
- the DE 203 17 427 U1 describes a laser marking arrangement in which a transparent laser transfer film is present as a roll material and can be transported between a laser beam optic and the workpiece over the workpiece surface.
- the DE19637255C1 describes a method for indirectly marking transparent materials, in which a silicate coating material with an organic binder forms a green ceramic body which is spaced from a surface to be inscribed and is acted upon by a laser beam through the transparent material. Due to the selective action on the green ceramic body locally vaporizes the binder and hurls the silicate particles of the coating material on the surface to be labeled. The body can be used many times.
- the present invention is based on the object, an arrangement and a method for labeling the surface of a transparent substrate indicate by means of a laser transfer method, which are characterized by simple structure and low processing costs.
- the invention offers particular advantages in that the metal of the carrier, hereinafter also referred to as support material for short, itself or a layer of a metal compound as a coating material formed by chemical modification of the surface of the metallic support, a particularly advantageous arrangement for labeling the surface of a transparent substrate by means of a laser transfer method.
- a caption generated by the invention also applies to problematic surfaces, such as. B. smooth glass surfaces with high resolution and very good adhesion of the carrier transferred to the surface of the coating material can be generated, resulting in an interaction of the laser beam with the coating material in the region of the passage of the laser beam through the surface and, as far as this is spaced from the coating material , between the surface and the carrier of the coating material is explained.
- the term "inscription" does not only mean the depiction of alphanumeric characters but generally an arbitrarily two-dimensionally structured coating of a part of the surface of the substrate.
- the labeling material is applied directly to the surface to be labeled and is preferably pressed against this, for which in the arrangement advantageously arranged on the side facing away from the substrate of the support pressing device, for. B. a plunger device is provided.
- the coating material is arranged at a distance from the surface to be coated.
- spacer elements may be provided in the first advantageous arrangement on the surface of the carrier having the coating material, which abut the substrate in the labeling operation.
- a carrier receptacle is connected to the receptacle for the substrate, which has spacer structures against which the carrier bears in the inscription mode.
- the distance between the coating material of the carrier and the surface of the substrate to be labeled is advantageously at least 0.05 mm, in particular at least 0.1 mm.
- the distance is advantageously at most 0.5 mm, in particular at most 0.3 mm.
- the receptacle for the substrate advantageously forms a support plane.
- the substrate is advantageously disc-shaped or plate-shaped.
- the substrate may in particular be a glass plate or a transparent plastic.
- the carrier is advantageously disc-shaped or plate-shaped.
- the carrier may be formed by a flexible band and be present as a roll material.
- the carrier is advantageously not transparent to lasers.
- the carrier may in particular be formed by a metallic sheet or strip.
- the carrier can be provided on both sides with coating material in an advantageous embodiment and used after consumption of one side and turning for a further cycle with the second side.
- the carrier is advantageously displaceable relative to the substrate parallel to the surface of the coating material, preferably by means of an automatic feed device.
- the coating material may be a metal in a first advantageous embodiment, wherein in particular the carrier may consist of the metal material homogeneous.
- the coating material may be formed by a metal compound, wherein in particular the metal compound may be formed by chemical conversion of the surface of a metallic carrier.
- the coating material is a layer formed by anodization of the carrier metal, in particular an aluminum oxide, which is preferably present as the anodized surface layer by anodization of the surface of a carrier consisting of aluminum, in particular aluminum sheet or plate.
- An inscription with a metal oxide, in particular an aluminum oxide proves to be advantageous even in a subsequent heat treatment of the substrate, for. B. a glass substrate at temperatures above 800 ° C as resistant.
- the coating material may contain a mineral dye or a plastic in another advantageous embodiment.
- Fig. 1 shows schematically the structure of a laser marking device according to the invention.
- a substrate holder SA for example the surface of a work table
- a substrate SU is positioned, the downwardly facing side SO of which is supported by the support surface SA is determined, lies in a defined position.
- a window FE is recessed in the substrate holder SA.
- the surface area SO of the substrate to be inscribed is arranged above the window.
- a carrier TR is positioned, whose surface facing the substrate SU is provided with a coating material BM.
- the carrier may be held in a carrier receptacle TA and in particular guided displaceably in a direction perpendicular to the plane of the drawing.
- a feed device for automated displacement of the carrier is not shown for clarity.
- a laser beam optics LO for example with a focusing lens and / or a tiltable mirror arrangement, is arranged on the side of the substrate or the substrate receptacle facing away from the carrier TR.
- a laser beam LS is incident on the substrate SU made of laser-transparent material through the optical fiber LO and passes through the substrate SU and onto the coating material BM through the gap between the coating material and the substrate.
- the coating material is released from the carrier under the action of the laser energy and strikes off firmly in the region of the passage of the laser beam LS on the surface SO of the substrate SU.
- the laser beam LS is advantageously variably alignable over the beam optics in at least one direction, preferably in two directions, so that the beam impact point of the laser beam on the coating material can be controlled following the control of the beam optics, in particular a tilting mirror arrangement following a two-dimensional pattern, and that solved by the wearer Coating material deposits in a corresponding two-dimensional pattern as a label on the surface SO of the substrate SU.
- the coating material which dissolves from the carrier and which is located in the passage region of the laser beam and deposits on the substrate surface SO, is located on the substrate surface and in the space between the substrate SU and the carrier TR within the laser beam and can interact therewith ,
- the carrier is made of metal and is preferably homogeneous in material.
- the surface of the metallic carrier facing the substrate can be metallically bright, in which case the metal itself forms the coating material on the surface of the carrier.
- the surface of the metallic carrier is a metal compound formed by surface chemical conversion of the carrier metal which forms the coating material as a surface layer on the carrier.
- Particularly advantageous is a surface layer of anodized carrier metal.
- the support is made of aluminum and the coating material forming surface layer of anodized aluminum
- Fig. 2 shows an enlarged section with an embodiment of a carrier TR, which on a coating material BM side having additional spacer elements DE, which in the inscription operation on the substrate side SO, which is to be labeled, and in this way a defined distance between the layer of coating material BM on the support TR and the surface to be inscribed SO of the substrate SU sets and guaranteed.
- Means for holding the carrier TR on the side SO of the substrate are not shown for clarity, as well as the presentation of means for supporting the substrate SU on the substrate holder SA is omitted for clarity.
- a preferred alternative embodiment of the carrier is outlined, in which the carrier has on two opposite planar surfaces a first layer BM1 and a second layer BM2 of coating material.
- the carrier has on two opposite planar surfaces a first layer BM1 and a second layer BM2 of coating material.
- a defined distance DS between the layer of coating material and the surface of the substrate to be inscribed is formed by spacer structures DS, for example a conditioning step, on the carrier receptacle, which is preferably fixedly connected to the substrate receptacle or integral therewith.
- the carrier is applied to the carrier mount TA with the layer BM1 of coating material.
- the coating material in the area of the system of the wearer on the support receptacle may also be removed.
- the stepped carrier mount with the spacer structures as in Fig. 3 on the one hand and a step on the support in its abutting on the support receiving edge region as in Fig. 2 on the other hand advantageously combined to set with the same distance structures for different carriers by interaction of the two stages carrier-specific different distances between the coating material and the substrate.
- a preferred embodiment according to Fig. 4 is the carrier TR4 with the coating material BM1 or after turning BM2 during the inscription process on the surface to be inscribed SO of the substrate SU and is advantageously pressed by means of a pressing AV, for example a plunger device with predetermined force against the surface to be labeled.
- a pressing AV for example a plunger device with predetermined force against the surface to be labeled.
- the figures are not to scale and especially in the laser beam direction with respect to the relative dimensions of the spacer elements DE or spacer structures, the layer thicknesses BM, BM1, BM2 and the carrier TR or TRD significantly excessive.
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Laser Beam Processing (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
- Decoration By Transfer Pictures (AREA)
Abstract
Description
Die Erfindung betrifft eine Anordnung und ein Verfahren zur Beschriftung einer Oberfläche eines Substrats mittels eines Lasertransferverfahrens.The invention relates to an arrangement and a method for inscribing a surface of a substrate by means of a laser transfer method.
Die Beschriftung einer Oberfläche eines Substrats unter Verwendung eines Laserstrahls erfolgt typischerweise durch Materialabtrag oder Materialveränderung an der Oberfläche unter Einwirkung der absorbierten Laserenergie. Gebräuchlich ist auch der Auftrag einer flächigen Schicht aus Beschriftungsmaterial auf die zu beschriftende Oberfläche, die strukturierte Belichtung der Schicht und die Ablösung nicht belichteter Schichtflächenbereiche. Darüber hinaus sind auch Lasertransferverfahren bekannt, bei welchen ein transparenter Träger auf einer der zu beschriftenden Oberfläche zugewandten Seite mit einem Beschichtungsmaterial versehen und auf die zu beschriftende Oberfläche aufgelegt oder in definiertem Abstand von dieser gehalten ist.The inscription of a surface of a substrate using a laser beam typically takes place by removing material or changing the material on the surface under the action of the absorbed laser energy. Also common is the application of a flat layer of labeling material on the surface to be labeled, the structured exposure of the layer and the replacement of unexposed layer surface areas. In addition, laser transfer methods are also known in which a transparent carrier is provided on one of the surfaces to be labeled facing side with a coating material and placed on the surface to be labeled or held at a defined distance from this.
Aus der
Die
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine Anordnung und ein Verfahren zur Beschriftung der Oberfläche eines transparenten Substrats mittels eines Lasertransferverfahrens anzugeben, welche sich durch einfachen Aufbau und geringe Bearbeitungskosten auszeichnen.The present invention is based on the object, an arrangement and a method for labeling the surface of a transparent substrate indicate by means of a laser transfer method, which are characterized by simple structure and low processing costs.
Erfindungsgemäße Lösungen sind in den unabhängigen Ansprüchen beschrieben. Die abhängigen Ansprüche enthalten vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung.Solutions according to the invention are described in the independent claims. The dependent claims contain advantageous refinements and developments of the invention.
Die Erfindung bietet mit der Verwendung eines metallischenTrägers für das Beschichtungsmaterial besondere Vorteile, indem das Metall des Trägers, nachfolgend auch kurz als Trägermaterial bezeichnet, selbst oder eine durch chemische Veränderung der Oberfläche des metallischen Trägers gebildete Schicht einer Metallverbindung als Bechichtungsmaterial eine besonders vorteilhafte Anordnung zur Beschriftung der Oberfläche eines transparenten Substrats mittels eines Lasertransferverfahrens.With the use of a metallic carrier for the coating material, the invention offers particular advantages in that the metal of the carrier, hereinafter also referred to as support material for short, itself or a layer of a metal compound as a coating material formed by chemical modification of the surface of the metallic support, a particularly advantageous arrangement for labeling the surface of a transparent substrate by means of a laser transfer method.
Es zeigt sich überraschend, dass eine mit der Erfindung erzeugte Beschriftung auch auf als problematisch geltenden Flächen, wie z. B. glatten Glasflächen mit hoher Auflösung und sehr guter Haftung des vom Träger auf die Oberfläche transferierten Beschichtungsmaterials erzeugt werden kann, was mit einer Interaktion des Laserstrahls mit dem Beschichtungsmaterial im Bereich des Durchtritts des Laserstrahls durch die Oberfläche und, soweit diese von dem Beschichtungsmaterial beabstandet ist, zwischen der Oberfläche und dem Träger des Beschichtungsmaterials erklärt wird.It turns out, surprisingly, that a caption generated by the invention also applies to problematic surfaces, such as. B. smooth glass surfaces with high resolution and very good adhesion of the carrier transferred to the surface of the coating material can be generated, resulting in an interaction of the laser beam with the coating material in the region of the passage of the laser beam through the surface and, as far as this is spaced from the coating material , between the surface and the carrier of the coating material is explained.
Unter Beschriftung im Sinne der Erfindung sei nicht nur die Abbildung alphanumerischer Zeichen sondern allgemein eine beliebig zweidimensional strukturierte Beschichtung eines Teils der Oberfläche des Substrats verstanden.For the purposes of the invention, the term "inscription" does not only mean the depiction of alphanumeric characters but generally an arbitrarily two-dimensionally structured coating of a part of the surface of the substrate.
In bevorzugter Ausführung liegt das Beschriftungsmaterial direkt an den zu beschriftenden Oberfläche an und ist vorzugsweise an diese angedrückt, wofür in der Anordnung vorteilhafterweise eine auf der dem Substrat abgewandten Seite des Trägers angeordnete Andrückvorrichtung, z. B. eine Druckstempelvorrichtung vorgesehen ist.In a preferred embodiment, the labeling material is applied directly to the surface to be labeled and is preferably pressed against this, for which in the arrangement advantageously arranged on the side facing away from the substrate of the support pressing device, for. B. a plunger device is provided.
In anderer vorteilhafter Ausführung ist das Beschichtungsmaterial von der zu beschichtenden Oberfläche beabstandet angeordnet. Zur Einstellung eines definierten Abstands zwischen der zu beschichtenden Oberfläche des Substrats und dem Beschichtungsmaterial auf dem Träger können in erster vorteilhafter Anordnung auf der das Beschichtungsmaterial aufweisenden Fläche des Trägers Distanzelemente vorgesehen sein, welche im Beschriftungsbetrieb an dem Substrat anliegen. In bevorzugter Ausführungsform ist mit der Aufnahme für das Substrat eine Trägeraufnahme verbunden, welche Distanzstrukturen aufweist, an welchen im Beschriftungsbetrieb der Träger anliegt. Der Abstand zwischen dem Beschichtungsmaterial des Trägers und der zu beschriftenden Oberfläche des Substrats beträgt vorteilhafterweise wenigstens 0,05 mm, insbesondere wenigstens 0,1 mm. Der Abstand beträgt vorteilhafterweise maximal 0,5 mm, insbesondere maximal 0,3 mm.In another advantageous embodiment, the coating material is arranged at a distance from the surface to be coated. In order to set a defined distance between the surface of the substrate to be coated and the coating material on the carrier, spacer elements may be provided in the first advantageous arrangement on the surface of the carrier having the coating material, which abut the substrate in the labeling operation. In a preferred embodiment, a carrier receptacle is connected to the receptacle for the substrate, which has spacer structures against which the carrier bears in the inscription mode. The distance between the coating material of the carrier and the surface of the substrate to be labeled is advantageously at least 0.05 mm, in particular at least 0.1 mm. The distance is advantageously at most 0.5 mm, in particular at most 0.3 mm.
Die Aufnahme für das Substrat bildet vorteilhafterweise eine Auflageebene. Das Substrat ist vorteilhafterweise scheibenförmig oder plattenförmig eben. Das Substrat kann insbesondere eine Glasplatte oder ein transparenter Kunststoff sein. Der Träger ist vorteilhafterweise scheibenförmig oder plattenförmig eben. In anderer vorteilhafter Ausführung kann der Träger durch ein flexibles Band gebildet sein und als Rollenmaterial vorliegen. Der Träger ist vorteilhafterweise nicht lasertransparent. Der Träger kann insbesondere durch ein metallisches Blech oder Band gebildet sein. Der Träger kann in vorteilhafter Ausführung beidseitig mit Beschichtungsmaterial versehen und nach Verbrauch einer Seite und Wenden für einen weiteren Zyklus mit der zweiten Seite verwendet werden. Der Träger ist vorteilhafterweise relativ zu dem Substrat parallel zur Fläche des Beschichtungsmaterials verschiebbar, vorzugsweise mittels einer automatischen Vorschubeinrichtung.The receptacle for the substrate advantageously forms a support plane. The substrate is advantageously disc-shaped or plate-shaped. The substrate may in particular be a glass plate or a transparent plastic. The carrier is advantageously disc-shaped or plate-shaped. In another advantageous embodiment, the carrier may be formed by a flexible band and be present as a roll material. The carrier is advantageously not transparent to lasers. The carrier may in particular be formed by a metallic sheet or strip. The carrier can be provided on both sides with coating material in an advantageous embodiment and used after consumption of one side and turning for a further cycle with the second side. The carrier is advantageously displaceable relative to the substrate parallel to the surface of the coating material, preferably by means of an automatic feed device.
Das Beschichtungsmaterial kann in einer ersten vorteilhaften Ausführung ein Metall sein, wobei insbesondere der Träger materialhomogen aus dem Metall bestehen kann. In anderer vorteilhafter Ausführung kann das Beschichtungsmaterial durch eine Metallverbindung gebildet sein, wobei insbesondere die Metallverbindung durch chemische Umwandlung der Oberfläche eines metallischen Trägers gebildet sein kann. In besonders vorteilhafter Ausführung ist das Beschichtungsmaterial eine durch Anodisierung des Trägermetalls gebildete Schicht, insbesondere ein Aluminiumoxid, welches vorzugsweise durch Eloxierung der Oberfläche eines aus Aluminium, insbesondere als Aluminiumblech oder -platte bestehenden Trägers als eloxierte Oberflächenschicht vorliegt. Eine Beschriftung mit einem Metalloxid, insbesondere einem Aluminiumoxid erweist sich vorteilhafterweise auch bei einer nachfolgenden Wärmebehandlung des Substrats, z. B. eines Glassubstrats bei Temperaturen über 800°C als beständig.The coating material may be a metal in a first advantageous embodiment, wherein in particular the carrier may consist of the metal material homogeneous. In another advantageous embodiment, the coating material may be formed by a metal compound, wherein in particular the metal compound may be formed by chemical conversion of the surface of a metallic carrier. In a particularly advantageous embodiment, the coating material is a layer formed by anodization of the carrier metal, in particular an aluminum oxide, which is preferably present as the anodized surface layer by anodization of the surface of a carrier consisting of aluminum, in particular aluminum sheet or plate. An inscription with a metal oxide, in particular an aluminum oxide proves to be advantageous even in a subsequent heat treatment of the substrate, for. B. a glass substrate at temperatures above 800 ° C as resistant.
Das Beschichtungsmaterial kann in anderer vorteilhafter Ausführung einen mineralischen Farbstoff oder einen Kunststoff enthalten.The coating material may contain a mineral dye or a plastic in another advantageous embodiment.
Die Erfindung ist nachfolgend anhand bevorzugter Ausführungsbeispiele unter Bezugnahme auf die Abbildungen noch eingehend veranschaulicht. Dabei zeigt:
- Fig. 1
- einen schematischen Aufbau einer Laserbeschriftungsanordnung,
- Fig. 2
- ein Beispiel eines Trägers mit Distanzelementen,
- Fig. 3
- ein Beispiel eines zweiseitig beschichteten Trägers mit Distanzstrukturen an einer Aufnahme.
- Fig. 4
- eine Ausführungsform mit am Substrat anliegendem Träger
- Fig. 1
- a schematic structure of a laser marking arrangement,
- Fig. 2
- an example of a carrier with spacers,
- Fig. 3
- an example of a two-sided coated carrier with spacer structures on a recording.
- Fig. 4
- an embodiment with abutting substrate on the substrate
Eine Laserstrahloptik LO, beispielsweise mit einer bündelnden Linse und/oder einer kippbaren Spiegelanordnung ist auf der dem Träger TR abgewandten Seite des Substrat bzw. der Substrataufnahme angeordnet. Ein Laserstrahl LS fällt durch die Strahloptik LO auf das Substrat SU, welches aus lasertransparentem Material besteht, und tritt durch das Substrat SU hindurch und durch den zwischen dem Beschichtungsmaterial und dem Substrat freien Zwischenraum hindurch auf das Beschichtungsmaterial BM. Das Beschichtungsmaterial wird unter der Einwirkung der Laserenergie von dem Träger gelöst und schlägt sich im Bereich des Durchtritts des Laserstrahls LS fest haftend auf der Oberfläche SO des Substrats SU ab. Der Laserstrahl LS ist über die Strahloptik vorteilhafterweise in wenigstens einer Richtung, vorzugsweise in zwei Richtungen in begrenztem Umfang variabel ausrichtbar, so dass über die Steuerung der Strahloptik, insbesondere einer Kippspiegelanordnung, der Strahlauftreffpunkt des Laserstrahls auf dem Beschichtungsmaterial einem zweidimensionalen Muster folgend gesteuert werden kann und das von dem Träger gelöste Beschichtungsmaterial sich in einem korrespondierenden zweidimensionalen Muster als Beschriftung auf der Fläche SO des Substrats SU niederschlägt. Das sich von dem Träger lösende Beschichtungsmaterial, welches sich in dem Durchtrittsbereich des Laserstrahls befindet und auf die Substratoberfläche SO niederschlägt, befindet sich auf der Substratoberfläche und in dem Zwischenraum zwischen Substrat SU und dem Träger TR innerhalb des Laserstrahls und kann dort mit diesem in Interaktion treten.A laser beam optics LO, for example with a focusing lens and / or a tiltable mirror arrangement, is arranged on the side of the substrate or the substrate receptacle facing away from the carrier TR. A laser beam LS is incident on the substrate SU made of laser-transparent material through the optical fiber LO and passes through the substrate SU and onto the coating material BM through the gap between the coating material and the substrate. The coating material is released from the carrier under the action of the laser energy and strikes off firmly in the region of the passage of the laser beam LS on the surface SO of the substrate SU. The laser beam LS is advantageously variably alignable over the beam optics in at least one direction, preferably in two directions, so that the beam impact point of the laser beam on the coating material can be controlled following the control of the beam optics, in particular a tilting mirror arrangement following a two-dimensional pattern, and that solved by the wearer Coating material deposits in a corresponding two-dimensional pattern as a label on the surface SO of the substrate SU. The coating material which dissolves from the carrier and which is located in the passage region of the laser beam and deposits on the substrate surface SO, is located on the substrate surface and in the space between the substrate SU and the carrier TR within the laser beam and can interact therewith ,
Der Träger besteht aus Metall und ist vorzugsweise materialhomogen. Die dem Substrat zuweisende Oberfläche des metallischen Trägers kann in erster vorteilhafter Ausführung metallisch blank sein, wobei dann das Metall an der Oberfläche des Trägers selbst das Beschichtungsmaterial bildet. Vorzugsweise besteht die Oberfläche des metallischen Trägers aus einer durch oberflächige chemische Umwandlung des Trägermetalls gebildete Metallverbindung, welche das Beschichtungsmaterial als eine Oberflächenschicht auf dem Träger bildet. Besonders vorteilhaft ist eine Oberflächenschicht aus anodisiertem Trägermetall. Vorzugsweise besteht der Träger aus Aluminium und die das Beschichtungsmaterial bildende Oberflächenschicht aus eloxiertem AluminiumThe carrier is made of metal and is preferably homogeneous in material. In the first advantageous embodiment, the surface of the metallic carrier facing the substrate can be metallically bright, in which case the metal itself forms the coating material on the surface of the carrier. Preferably, the surface of the metallic carrier is a metal compound formed by surface chemical conversion of the carrier metal which forms the coating material as a surface layer on the carrier. Particularly advantageous is a surface layer of anodized carrier metal. Preferably, the support is made of aluminum and the coating material forming surface layer of anodized aluminum
In
Im Beispiel der
In anderer nicht skizzierter vorteilhafter Ausführung kann das Beschichtungsmaterial im Bereich der Anlage des Trägers an der Trägeraufnahme auch entfernt sein. Insbesondere kann die gestufte Trägeraufnahme mit den Distanzstrukturen wie in
In bevorzugter Ausführungsform nach
Die Abbildungen sind nicht maßstäblich zu verstehen und insbesondere in Lasersstrahlrichtung hinsichtlich der relativen Abmessungen der Distanzelemente DE oder Distanzstrukturen, der Schichtdicken BM, BM1, BM2 und der Träger TR bzw. TRD deutlich überhöht.The figures are not to scale and especially in the laser beam direction with respect to the relative dimensions of the spacer elements DE or spacer structures, the layer thicknesses BM, BM1, BM2 and the carrier TR or TRD significantly excessive.
Die vorstehend und die in den Ansprüchen angegebenen sowie die den Abbildungen entnehmbaren Merkmale sind sowohl einzeln als auch in verschiedener Kombination vorteilhaft realisierbar. Die Erfindung ist nicht auf die beschriebenen Ausführungsbeispiele beschränkt, sondern im Rahmen fachmännischen Könnens in mancherlei Weise abwandelbar.The features indicated above and in the claims, as well as the features which can be seen in the figures, can be implemented advantageously both individually and in various combinations. The invention is not limited to the exemplary embodiments described, but can be modified in many ways within the scope of expert knowledge.
Claims (16)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE200710046176 DE102007046176A1 (en) | 2007-09-26 | 2007-09-26 | Arrangement and method for labeling a surface of a substrate |
Publications (2)
Publication Number | Publication Date |
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EP2045091A2 true EP2045091A2 (en) | 2009-04-08 |
EP2045091A3 EP2045091A3 (en) | 2009-06-17 |
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Application Number | Title | Priority Date | Filing Date |
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EP08105180A Withdrawn EP2045091A3 (en) | 2007-09-26 | 2008-08-29 | Assembly and method for illustrating a surface of a substrate |
Country Status (2)
Country | Link |
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EP (1) | EP2045091A3 (en) |
DE (1) | DE102007046176A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3023256A4 (en) * | 2013-07-16 | 2017-06-07 | Torrecid, S.A. | Direct printing method for enamelling and decorating |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009029903A1 (en) * | 2009-06-19 | 2010-12-23 | Tesa Se | Method for applying permanently processed label on e.g. plate, involves loading laser transferring film with partially provided pigment layer and supporting layer by using laser, where pigment layer includes laser-sensitive pigment |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4430390A1 (en) | 1993-09-09 | 1995-03-16 | Krone Ag | Process for the production of structured metallic coatings on surfaces |
DE19637255C1 (en) | 1996-09-13 | 1997-12-11 | Jenoptik Jena Gmbh | Indirect laser marking of transparent material e.g. glass |
DE20317427U1 (en) | 2003-11-12 | 2004-04-01 | Stadlbauer, Gerhard | Laser marking device to transfer colored writing from foil onto work piece has adapter between beam source and write head and take-up and reel-out spools for transfer foil |
EP1490222B1 (en) | 2002-03-23 | 2006-05-24 | Tesa AG | Multi-layer laser transfer film for the permanent labeling of components |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4743463A (en) * | 1986-02-21 | 1988-05-10 | Eastman Kodak Company | Method for forming patterns on a substrate or support |
US5173441A (en) * | 1991-02-08 | 1992-12-22 | Micron Technology, Inc. | Laser ablation deposition process for semiconductor manufacture |
EP0861155B1 (en) * | 1996-09-19 | 2000-10-18 | Koninklijke Philips Electronics N.V. | Method of producing a patterned surfacial marking on a transparent body |
WO1998042474A1 (en) * | 1997-03-21 | 1998-10-01 | Kabushiki Kaisha Yaskawa Denki | Marking method and marking material |
KR100283415B1 (en) * | 1998-07-29 | 2001-06-01 | 구자홍 | Method and apparatus of machining a transparent medium by laser |
SG122749A1 (en) * | 2001-10-16 | 2006-06-29 | Inst Data Storage | Method of laser marking and apparatus therefor |
-
2007
- 2007-09-26 DE DE200710046176 patent/DE102007046176A1/en not_active Withdrawn
-
2008
- 2008-08-29 EP EP08105180A patent/EP2045091A3/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4430390A1 (en) | 1993-09-09 | 1995-03-16 | Krone Ag | Process for the production of structured metallic coatings on surfaces |
DE19637255C1 (en) | 1996-09-13 | 1997-12-11 | Jenoptik Jena Gmbh | Indirect laser marking of transparent material e.g. glass |
EP1490222B1 (en) | 2002-03-23 | 2006-05-24 | Tesa AG | Multi-layer laser transfer film for the permanent labeling of components |
DE20317427U1 (en) | 2003-11-12 | 2004-04-01 | Stadlbauer, Gerhard | Laser marking device to transfer colored writing from foil onto work piece has adapter between beam source and write head and take-up and reel-out spools for transfer foil |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3023256A4 (en) * | 2013-07-16 | 2017-06-07 | Torrecid, S.A. | Direct printing method for enamelling and decorating |
Also Published As
Publication number | Publication date |
---|---|
DE102007046176A1 (en) | 2009-04-02 |
EP2045091A3 (en) | 2009-06-17 |
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