EP1878586A1 - Lasermarkierungsverfahren - Google Patents

Lasermarkierungsverfahren Download PDF

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Publication number
EP1878586A1
EP1878586A1 EP06117094A EP06117094A EP1878586A1 EP 1878586 A1 EP1878586 A1 EP 1878586A1 EP 06117094 A EP06117094 A EP 06117094A EP 06117094 A EP06117094 A EP 06117094A EP 1878586 A1 EP1878586 A1 EP 1878586A1
Authority
EP
European Patent Office
Prior art keywords
support
article
laser
wavelength
marking
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
EP06117094A
Other languages
English (en)
French (fr)
Other versions
EP1878586B1 (de
Inventor
Nakis Karapatis
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.)
Montres Breguet SA
Original Assignee
Montres Breguet SA
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 Montres Breguet SA filed Critical Montres Breguet SA
Priority to DE602006009248T priority Critical patent/DE602006009248D1/de
Priority to AT06117094T priority patent/ATE442962T1/de
Priority to EP06117094A priority patent/EP1878586B1/de
Priority to SG200705116-2A priority patent/SG139652A1/en
Priority to CN2007101287795A priority patent/CN101104349B/zh
Priority to JP2007184146A priority patent/JP2008018428A/ja
Priority to US11/777,398 priority patent/US7771605B2/en
Priority to KR1020070070328A priority patent/KR20080007139A/ko
Publication of EP1878586A1 publication Critical patent/EP1878586A1/de
Priority to HK08107498.4A priority patent/HK1116738A1/xx
Application granted granted Critical
Publication of EP1878586B1 publication Critical patent/EP1878586B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B41M5/267—Marking of plastic artifacts, e.g. with laser

Definitions

  • the invention relates to the field of laser marking. It relates more specifically to a method of laser marking a material transparent to the wavelength of the laser.
  • the Nd: YAG laser which has a small footprint and a relatively modest cost, is widely used. Its wavelength of 1064nm makes it possible to mark absorbent materials in the infra-red such as metals and certain plastics or ceramics. However, there is a range of transparent materials at 1064nm, for which the use of the Nd: YAG laser at this wavelength is impossible.
  • One solution for these materials is to use a frequency multiplier to obtain radiation at 355 nm, that is to say in the ultraviolet. This solution is however expensive, bulky and unfavorable from the energy point of view. For this reason, it is best to avoid it.
  • Plexiglas or PMMA of the English Poly MethylMethAcrylate, is such a material. Transparent in the visible, it has good mechanical properties, so it is often used as a replacement for glass, for many applications.
  • Plexiglas being weakly absorbing at 1064nm several solutions already exist to mark it.
  • the marking at 355 nm suffers from the disadvantages mentioned.
  • Another method is to introduce into the mass of the plexiglass photosensitive pigments at 1064 nm. This solution, however, increases the cost of manufacturing plexiglass.
  • mechanical engraving by milling is long and poorly suited to serial marking.
  • the installation shown in FIG. 1 comprises a laser 10 of the Nd: YAG type emitting radiation at 1064 nm.
  • the laser 10 could be a CO2 laser emitting far-infrared radiation at 10 microns.
  • a support 12, consisting of a flat plate having a neat surface state, is disposed in the path of the laser radiation.
  • the support 12 is made of metal, such as brass or aluminum, or any other material capable of strongly absorbing the light radiation emitted by the laser and transforming it into thermal energy.
  • An article 14 intended to be marked is disposed in contact with the support 12, between the support 12 and the laser 10.
  • the article 14 is a solid plexiglass flat plate used as a support, for example.
  • article 14 could be made of any other plastic material transparent to the wavelength of 1064 nm, for example polycarbonate or nylon.
  • Article 14 could also have a form that is not flat but of any kind.
  • the thermal contact between the support 12 and the article 14 must be as good as possible, for reasons which will appear later.
  • the support 12 In the case of a non-flat article 14, the support 12 must be adapted to the shape thereof, so as to optimize the thermal contact between the two elements.
  • the laser 10 emits radiation in the form of a beam 16 of wavelength 1064 nm in the direction of the article 14.
  • the beam 16 passes through the plexiglass plate 14 with little or no absorption.
  • the beam 16 strikes the support 12 on a surface of the order of 2.10 -9 m 2 .
  • the support 12 absorbs the radiation and transforms it into thermal energy. It then heats locally up to a temperature of the order of a few tens to a few hundred degrees Celsius.
  • the thermal energy is transferred at least partially to Article 14.
  • the plexiglass is transformed locally chemically, for example by carbonization, or physically, for example by melting. Both types of transformations can occur simultaneously.
  • the plexiglass surface thus transformed presents a contrast with the untreated surface, this contrast giving rise to the marking of the plexiglass.
  • the scanning by the laser beam 16 of a given zone allows the marking of a bar code, a logo, an image or any other inscription.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Laser Beam Processing (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP06117094A 2006-07-13 2006-07-13 Lasermarkierungsverfahren Active EP1878586B1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
DE602006009248T DE602006009248D1 (de) 2006-07-13 2006-07-13 Lasermarkierungsverfahren
AT06117094T ATE442962T1 (de) 2006-07-13 2006-07-13 Lasermarkierungsverfahren
EP06117094A EP1878586B1 (de) 2006-07-13 2006-07-13 Lasermarkierungsverfahren
SG200705116-2A SG139652A1 (en) 2006-07-13 2007-07-09 Laser marking method
CN2007101287795A CN101104349B (zh) 2006-07-13 2007-07-12 激光打标方法
JP2007184146A JP2008018428A (ja) 2006-07-13 2007-07-13 レーザ・マーキング方法
US11/777,398 US7771605B2 (en) 2006-07-13 2007-07-13 Laser marking method
KR1020070070328A KR20080007139A (ko) 2006-07-13 2007-07-13 레이저 마킹 방법
HK08107498.4A HK1116738A1 (en) 2006-07-13 2008-07-08 Laser marking method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06117094A EP1878586B1 (de) 2006-07-13 2006-07-13 Lasermarkierungsverfahren

Publications (2)

Publication Number Publication Date
EP1878586A1 true EP1878586A1 (de) 2008-01-16
EP1878586B1 EP1878586B1 (de) 2009-09-16

Family

ID=37025029

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06117094A Active EP1878586B1 (de) 2006-07-13 2006-07-13 Lasermarkierungsverfahren

Country Status (9)

Country Link
US (1) US7771605B2 (de)
EP (1) EP1878586B1 (de)
JP (1) JP2008018428A (de)
KR (1) KR20080007139A (de)
CN (1) CN101104349B (de)
AT (1) ATE442962T1 (de)
DE (1) DE602006009248D1 (de)
HK (1) HK1116738A1 (de)
SG (1) SG139652A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7534263B2 (en) * 2001-05-25 2009-05-19 Conformis, Inc. Surgical tools facilitating increased accuracy, speed and simplicity in performing joint arthroplasty
CH699407A1 (de) * 2008-08-25 2010-02-26 Tecan Trading Ag Probenröhrchen mit Kennzeichnung.
US8585956B1 (en) 2009-10-23 2013-11-19 Therma-Tru, Inc. Systems and methods for laser marking work pieces
FI20105011A0 (fi) * 2010-01-08 2010-01-08 Lappeenrannan Teknillinen Ylio Menetelmä materiaalin työstämiseksi laserlaitteen avulla
US9132506B2 (en) 2011-03-04 2015-09-15 3M Innovative Properties Company Laser marking process and articles
FR3072090B1 (fr) * 2017-10-05 2022-05-27 Eurokera Procede de traitement laser d'une feuille de vitroceramique
US11261348B2 (en) 2018-03-16 2022-03-01 Brady Worldwide, Inc. Label construction for ablative laser marking
CN109048057A (zh) * 2018-09-04 2018-12-21 沈阳飞机工业（集团）有限公司 一种在玻璃零件上打标的方法
GB2578889A (en) * 2018-11-12 2020-06-03 Univ Of West Bohemia Method of invisible marking
CN109941015B (zh) * 2019-04-19 2021-03-02 常州大学 一种可重复用于高分子薄膜激光标记的激光敏感性无机衬底的制备方法
CN114289884B (zh) * 2021-12-31 2023-05-05 华侨大学 利用双金属合金靶材激光诱导等离子体加工装置及方法

Citations (5)

* 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
DE4022745A1 (de) * 1990-07-18 1992-01-23 Hans Lang Gmbh & Co Kg Ing Verfahren zum anbringen von konfigurationen, wie schriften, bildern o. dgl., auf der rueckseite eines spiegels
WO1995025639A1 (en) * 1994-03-24 1995-09-28 Laserplus Oy Method and device for making visually observable markings onto transparent material
DE19652253A1 (de) * 1996-12-16 1998-06-18 Kloeckner Moeller Gmbh Laser-Beschriftungsverfahren zur Beschriftung von Bezeichnungsschildern und Beschriftungsmaterial hierfür
US5987920A (en) * 1996-09-19 1999-11-23 U.S. Philips Corporation Method of producing a patterned surfacial marking on a transparent body

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0241785A (ja) * 1988-08-02 1990-02-09 Toyo Seikan Kaisha Ltd レーザマーキング部材
JPH08174263A (ja) * 1994-12-27 1996-07-09 Mitsui Toatsu Chem Inc レーザーマーキングの方法
JP3198242B2 (ja) * 1995-12-01 2001-08-13 日本鋼管株式会社 自動加熱曲げ加工された船体外板の切断線マーキング方法
JP3831046B2 (ja) * 1997-02-21 2006-10-11 株式会社安川電機 マーキング方法
JP2002117741A (ja) * 2000-10-10 2002-04-19 Shin Etsu Polymer Co Ltd レーザー刻印付きキートップ部材
JP2003080382A (ja) * 2001-09-07 2003-03-18 Seiko Epson Corp 装飾品およびレーザマーキング方法
US20040144760A1 (en) * 2002-05-17 2004-07-29 Cahill Steven P. Method and system for marking a workpiece such as a semiconductor wafer and laser marker for use therein
JP4231924B2 (ja) * 2003-03-27 2009-03-04 独立行政法人産業技術総合研究所 透明材料の微細加工装置

Patent Citations (5)

* 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
DE4022745A1 (de) * 1990-07-18 1992-01-23 Hans Lang Gmbh & Co Kg Ing Verfahren zum anbringen von konfigurationen, wie schriften, bildern o. dgl., auf der rueckseite eines spiegels
WO1995025639A1 (en) * 1994-03-24 1995-09-28 Laserplus Oy Method and device for making visually observable markings onto transparent material
US5987920A (en) * 1996-09-19 1999-11-23 U.S. Philips Corporation Method of producing a patterned surfacial marking on a transparent body
DE19652253A1 (de) * 1996-12-16 1998-06-18 Kloeckner Moeller Gmbh Laser-Beschriftungsverfahren zur Beschriftung von Bezeichnungsschildern und Beschriftungsmaterial hierfür

Also Published As

Publication number Publication date
CN101104349A (zh) 2008-01-16
CN101104349B (zh) 2010-09-01
HK1116738A1 (en) 2009-01-02
KR20080007139A (ko) 2008-01-17
US20080014370A1 (en) 2008-01-17
DE602006009248D1 (de) 2009-10-29
US7771605B2 (en) 2010-08-10
SG139652A1 (en) 2008-02-29
EP1878586B1 (de) 2009-09-16
JP2008018428A (ja) 2008-01-31
ATE442962T1 (de) 2009-10-15

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