EP2045091A2 - Dispositif et procédé de marquage d'une surface d'un substrat - Google Patents

Dispositif et procédé de marquage d'une surface d'un substrat Download PDF

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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
Authority
EP
European Patent Office
Prior art keywords
carrier
coating material
substrate
arrangement according
laser
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.)
Withdrawn
Application number
EP08105180A
Other languages
German (de)
English (en)
Other versions
EP2045091A3 (fr
Inventor
Holm Dr. Baeger
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.)
Mobil Mark GmbH
Original Assignee
Mobil Mark 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 Mobil Mark GmbH filed Critical Mobil Mark GmbH
Publication of EP2045091A2 publication Critical patent/EP2045091A2/fr
Publication of EP2045091A3 publication Critical patent/EP2045091A3/fr
Withdrawn legal-status Critical Current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
    • B41M5/382—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
    • 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
    • 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.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laser Beam Processing (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP08105180A 2007-09-26 2008-08-29 Dispositif et procédé de marquage d'une surface d'un substrat Withdrawn EP2045091A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200710046176 DE102007046176A1 (de) 2007-09-26 2007-09-26 Anordnung und Verfahren zur Beschriftung einer Oberfläche eines Substrats

Publications (2)

Publication Number Publication Date
EP2045091A2 true EP2045091A2 (fr) 2009-04-08
EP2045091A3 EP2045091A3 (fr) 2009-06-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105180A Withdrawn EP2045091A3 (fr) 2007-09-26 2008-08-29 Dispositif et procédé de marquage d'une surface d'un substrat

Country Status (2)

Country Link
EP (1) EP2045091A3 (fr)
DE (1) DE102007046176A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3023256A4 (fr) * 2013-07-16 2017-06-07 Torrecid, S.A. Procédé d'impression directe destiné à l'émaillage et à la décoration

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009029903A1 (de) 2009-06-19 2010-12-23 Tesa Se Verfahren zum Aufbringen einer dauerhaften Prozessmarke auf einem Produkt, insbesondere Glas

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430390A1 (de) 1993-09-09 1995-03-16 Krone Ag Verfahren zur Herstellung von strukturierten Metallisierungen auf Oberflächen
DE19637255C1 (de) 1996-09-13 1997-12-11 Jenoptik Jena Gmbh Verfahren zum indirekten Beschriften von transparenten Materialien
DE20317427U1 (de) 2003-11-12 2004-04-01 Stadlbauer, Gerhard Laserbeschriftungsanordnung
EP1490222B1 (fr) 2002-03-23 2006-05-24 Tesa AG Film de transfert par laser a plusieurs couches pour le marquage durable de pieces

Family Cites Families (6)

* Cited by examiner, † Cited by third party
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 (fr) * 1996-09-19 2000-10-18 Koninklijke Philips Electronics N.V. Procede pour produire des marques dessinees a la surface d'un corps transparent
US6709720B2 (en) * 1997-03-21 2004-03-23 Kabushiki Kaisha Yaskawa Denki Marking method and marking material
KR100283415B1 (ko) * 1998-07-29 2001-06-01 구자홍 레이저를이용한투명매질의가공방법및장치
SG122749A1 (en) * 2001-10-16 2006-06-29 Inst Data Storage Method of laser marking and apparatus therefor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4430390A1 (de) 1993-09-09 1995-03-16 Krone Ag Verfahren zur Herstellung von strukturierten Metallisierungen auf Oberflächen
DE19637255C1 (de) 1996-09-13 1997-12-11 Jenoptik Jena Gmbh Verfahren zum indirekten Beschriften von transparenten Materialien
EP1490222B1 (fr) 2002-03-23 2006-05-24 Tesa AG Film de transfert par laser a plusieurs couches pour le marquage durable de pieces
DE20317427U1 (de) 2003-11-12 2004-04-01 Stadlbauer, Gerhard Laserbeschriftungsanordnung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3023256A4 (fr) * 2013-07-16 2017-06-07 Torrecid, S.A. Procédé d'impression directe destiné à l'émaillage et à la décoration

Also Published As

Publication number Publication date
DE102007046176A1 (de) 2009-04-02
EP2045091A3 (fr) 2009-06-17

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