WO2007122443A1 - Dispositif laser amélioré destiné à former des textes ou des images sur des cartes de crédit ou analogues - Google Patents

Dispositif laser amélioré destiné à former des textes ou des images sur des cartes de crédit ou analogues Download PDF

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Publication number
WO2007122443A1
WO2007122443A1 PCT/IB2006/001256 IB2006001256W WO2007122443A1 WO 2007122443 A1 WO2007122443 A1 WO 2007122443A1 IB 2006001256 W IB2006001256 W IB 2006001256W WO 2007122443 A1 WO2007122443 A1 WO 2007122443A1
Authority
WO
WIPO (PCT)
Prior art keywords
card
optical path
focusing
laser
texts
Prior art date
Application number
PCT/IB2006/001256
Other languages
English (en)
Inventor
Robert Charles Bright
Original Assignee
Cl Inspiration Llc
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 Cl Inspiration Llc filed Critical Cl Inspiration Llc
Priority to PCT/IB2006/001256 priority Critical patent/WO2007122443A1/fr
Publication of WO2007122443A1 publication Critical patent/WO2007122443A1/fr

Links

Classifications

    • 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
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/12—Sheet holders, retainers, movable guides, or stationary guides specially adapted for small cards, envelopes, or the like, e.g. credit cards, cut visiting cards
    • 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
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/60—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
    • B42D25/40—Manufacture
    • B42D25/405—Marking
    • B42D25/41—Marking using electromagnetic radiation

Definitions

  • the present invention relates to a laser device for applying textual information or images to credit cards, identity cards and like which comprise a plastic substrate (normally polycarbonate, PVC or other) and at least one transparent covering layer on each side.
  • a plastic substrate normally polycarbonate, PVC or other
  • transparent covering layer on each side.
  • thermography Normally, the information on credit cards is written or transferred by thermography, or by means of the laser method.
  • the thermographic method has some disadvantages with respect to the laser method. Although it is advantageous in some respects, since for example it enables texts or logos to be formed with different colours, for information of a personal nature it is preferable, for reasons of security, to use the laser printing method. Texts formed by the latter technology are practically indelible and cannot be falsified (except by destroying the material of the credit card, identity card or similar).
  • the laser method is also used, for example, on what are known as SIM cards of cellular telephones, to write information on the opposite side of the SIM card from that on which the chip is present.
  • the object of the present invention is to accelerate, using the laser method, the process of printing information on credit cards, identity cards and cards for personal use in general.
  • the present invention is applicable in general to cards for personal use in which both sides can be written (printed) by the laser method.
  • the present invention is not applicable to the case of SIM cards, where printed information cannot be provided on one side of the card.
  • the laser printing modules used at the present time use a single laser beam to print a text or images on a personal plastic card. If, as assumed in the present document, the card is to be "printed" on both sides, in the prior art the card has to be rotated and then fed again into the laser printing module (the first, very slow, method), or else a second module has to be used, operating for example simultaneously with the first laser printing module (the second, very costly, method).
  • the object of the invention is to accelerate the "laser printing” or “laser etching” method, by providing a single pass of the card into the laser printing device. It is possible to print information simultaneously on both sides of the credit card, cash card, driver's licence, etc., without using a second laser, by making simple technical arrangements, and therefore without any significant increase in costs. Description of the invention
  • the principle of the present invention is that of splitting the laser beam (ray) of a single laser by means of a suitable beam splitter, so as to create two optical paths, one of which is directed towards the top side of the card while the other is directed towards its underside.
  • the device according to the invention uses common technologies already in use in this field, namely conventional mirror heads, the usual means for focusing a laser beam, etc.
  • the means of transporting the card must be such as to leave a sufficient free space which remains visible on both the top and bottom sides of the card, and which will be struck by the laser light.
  • polycarbonate cards are used, these being most suitable for laser printing.
  • the device is also applicable to identity cards or the like produced with other materials.
  • Figure 1 shows, in a highly schematic perspective view, a preferred embodiment of the improved type of laser printing device according to the present invention.
  • the number 1 indicates a laser of a known type, used for printing information or images on credit cards or the like (made from plastics material such as polycarbonate, PVC, etc.).
  • the wavelength of the laser is to be selected according to the properties of the material of the credit card 2.
  • three types of different wavelength are commonly used, but the invention is not limited to the type of plastics material used for the card (including any additives) or to the wavelength of the laser.
  • the transparent layer or layers of the card 2 which cover the layer of polycarbonate or the like are penetrated without modification by the laser beam, which on the other hand modifies the polycarbonate layer where the text consequently appears. All of this is familiar to those skilled in the art and therefore does not require a detailed description.
  • the laser beam 2 travels along an optical path 2' to what is known as a mirror head 3, also of a known type, which serves to create an image or text, being focused on the plane formed by the personal card 4.
  • the card 4 is, for example, fed on a conveyor belt (not shown) in the direction of the arrow
  • a part 2" of the laser beam 2 is diverted, for example in the orthogonal direction and downwards, to a mirror 7 which reflects substantially all the light of the beam 2" towards a second mirror head 3 ' located on the opposite side of the card 4 from the first mirror head 3.
  • the mirror head 3' is also of a known type.
  • the card 4 must not have its underside covered, and therefore, according to the present invention, the card 4 is guided by its edges, by means of rollers or the like, leaving its top side and underside substantially free.
  • the reference numeral 5' indicates a second focusing means positioned on the optical path 2".
  • the power of the laser will be regulated in such a way as to have sufficient power in both optical paths 2' and 2" to form the image or text on the card 4.
  • the present invention has been clearly described in a highly schematic way, and therefore it is obvious that the direction of the beam 2" could also be different (oblique but not orthogonal) from that shown.

Abstract

L'invention concerne un dispositif laser destiné à former des images ou des textes sur une carte (4) à usage personnel, telle que, par exemple, une carte de crédit, une carte de paiement, une carte d'identité ou analogue, la carte étant constituée d'une matière plastique, de préférence de polycarbonate. Le dispositif comprend un laser (1) présentant une longueur d'onde appropriée pour la formation d'images ou de textes sur la carte (4), une unité pour transporter la carte (4), une unité de focalisation (5) permettant de focaliser la lumière laser (2) dans un chemin optique (2'), et une unité (3) destinée à focaliser la lumière laser (2) du chemin optique (2') sur un premier côté de la carte (4). Ce dispositif se caractérise en ce qu'il comprend au moins un séparateur de faisceau (6) permettant de créer un chemin optique (2'') supplémentaire avec la lumière laser (2), une unité de réflexion (7) située sur le chemin optique (2'') supplémentaire, une unité (3') destinée à focaliser la lumière laser (2) du chemin optique (2'') supplémentaire sur un second côté de la carte (4), ainsi qu'une unité de focalisation (5') située sur ledit chemin optique (2'') supplémentaire, l'unité de transport de carte laissant libre la surface de la carte à imprimer sur le premier et le second côté de la carte (4).
PCT/IB2006/001256 2006-04-25 2006-04-25 Dispositif laser amélioré destiné à former des textes ou des images sur des cartes de crédit ou analogues WO2007122443A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/IB2006/001256 WO2007122443A1 (fr) 2006-04-25 2006-04-25 Dispositif laser amélioré destiné à former des textes ou des images sur des cartes de crédit ou analogues

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2006/001256 WO2007122443A1 (fr) 2006-04-25 2006-04-25 Dispositif laser amélioré destiné à former des textes ou des images sur des cartes de crédit ou analogues

Publications (1)

Publication Number Publication Date
WO2007122443A1 true WO2007122443A1 (fr) 2007-11-01

Family

ID=37561289

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/001256 WO2007122443A1 (fr) 2006-04-25 2006-04-25 Dispositif laser amélioré destiné à former des textes ou des images sur des cartes de crédit ou analogues

Country Status (1)

Country Link
WO (1) WO2007122443A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009031871A1 (de) * 2009-07-06 2011-01-13 Nanosec Gesellschaft Für Nanotechnologie In Der Sicherheitstechnik MBH Verfahren und Vorrichtung zur Laserbeschriftung
DE102018106580A1 (de) * 2018-03-20 2019-09-26 Erich Utsch Ag Verfahren zur zweifachen Markierung eines Kennzeichenschildes für ein Fahrzeug
CN112596343A (zh) * 2020-11-17 2021-04-02 东南大学 双光束激光3d打印装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5421619A (en) * 1993-12-22 1995-06-06 Drexler Technology Corporation Laser imaged identification card

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5421619A (en) * 1993-12-22 1995-06-06 Drexler Technology Corporation Laser imaged identification card

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009031871A1 (de) * 2009-07-06 2011-01-13 Nanosec Gesellschaft Für Nanotechnologie In Der Sicherheitstechnik MBH Verfahren und Vorrichtung zur Laserbeschriftung
US20120132630A1 (en) * 2009-07-06 2012-05-31 Nanosec Gesellschaft Für Nanotechnologie In Der Sicherheitstechnik MBH Method and Device for Laser Inscribing
DE102009031871B4 (de) * 2009-07-06 2013-10-24 Nanosec Gesellschaft Für Nanotechnologie In Der Sicherheitstechnik MBH Verfahren und Vorrichtung zur Laserbeschriftung
DE102018106580A1 (de) * 2018-03-20 2019-09-26 Erich Utsch Ag Verfahren zur zweifachen Markierung eines Kennzeichenschildes für ein Fahrzeug
CN112596343A (zh) * 2020-11-17 2021-04-02 东南大学 双光束激光3d打印装置
CN112596343B (zh) * 2020-11-17 2022-10-14 东南大学 双光束激光3d打印装置

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