ES2081972T3 - Red de difraccion. - Google Patents

Red de difraccion.

Info

Publication number
ES2081972T3
ES2081972T3 ES90900740T ES90900740T ES2081972T3 ES 2081972 T3 ES2081972 T3 ES 2081972T3 ES 90900740 T ES90900740 T ES 90900740T ES 90900740 T ES90900740 T ES 90900740T ES 2081972 T3 ES2081972 T3 ES 2081972T3
Authority
ES
Spain
Prior art keywords
grid
differation
total
free
reflector
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.)
Expired - Lifetime
Application number
ES90900740T
Other languages
English (en)
Inventor
Robert Arthur Lee
Wayne Kevin Jackson
Richard Alexander Goodman
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.)
Reserve Bank of Australia
Original Assignee
Reserve Bank of Australia
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 Reserve Bank of Australia filed Critical Reserve Bank of Australia
Application granted granted Critical
Publication of ES2081972T3 publication Critical patent/ES2081972T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/08—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means
    • G06K19/10—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards
    • G06K19/16—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code using markings of different kinds or more than one marking of the same kind in the same record carrier, e.g. one marking being sensed by optical and the other by magnetic means at least one kind of marking being used for authentication, e.g. of credit or identity cards the marking being a hologram or diffraction grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/18—Diffraction gratings
    • G02B5/1842—Gratings for image generation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F7/00—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus
    • G07F7/08—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means
    • G07F7/086—Mechanisms actuated by objects other than coins to free or to actuate vending, hiring, coin or paper currency dispensing or refunding apparatus by coded identity card or credit card or other personal identification means by passive credit-cards adapted therefor, e.g. constructive particularities to avoid counterfeiting, e.g. by inclusion of a physical or chemical security-layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Holo Graphy (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Credit Cards Or The Like (AREA)
  • Aerials With Secondary Devices (AREA)

Abstract

UNA REJILLA DE DIFRACCION DE LINEAS REFLECTORAS O TRANSMISORAS FORMADA POR UNA MATRIZ REGULAR DE PIXELS QUE CONTIENEN CADA UNO UNA ZONA CURVILINEA RESPECTIVA DE UNA O MAS DE ESTAS LINEAS, ESTOS PIXELS CUANDO SE ILUMINAN GENERA CADA UNO UN ESQUEMA DE DIFRACCION DE IMAGEN DE CATASTROFE OPTICA EN DOS DIMENSIONES POR EL QUE EL ESQUEMA DE DIFRACCION DE IMAGEN TOTAL ES VARIABLE OPTICAMENTE PERO ESTABLE ESTRUCTURALMENTE. LA INVENCION FACILITA ADEMAS UNA REJILLA DIFRACCION DE LINEAS REFLECTORAS O TRANSMISORAS, QUE COMPRENDE MUCHAS REGIONES (G) DE REJILLA DE DIFRACCION , QUE ESTAN SEPARADAS POR LO MENOS EN PARTE POR MUCHAS REGIONES (N) LIBRES DE REJILLA, CADA REGION LIBRE DE REJILLA (N) TIENE UNA DIMENSION QUE ES LO SUFICIENTEMENTE AMPLIA COMO PARA SER RESUELTA POR EL OJO HUMANO, EL TOTAL DE, LAS AREAS LIBRES DE REJILLA NO EXCEDE DE UN 20 A UN 50% APROXIMADAMENTE DEL AREA TOTAL DE LA REJILLA.
ES90900740T 1988-12-19 1989-12-19 Red de difraccion. Expired - Lifetime ES2081972T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPJ202088 1988-12-19

Publications (1)

Publication Number Publication Date
ES2081972T3 true ES2081972T3 (es) 1996-03-16

Family

ID=3773599

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90900740T Expired - Lifetime ES2081972T3 (es) 1988-12-19 1989-12-19 Red de difraccion.

Country Status (9)

Country Link
US (1) US5335113A (es)
EP (1) EP0449893B1 (es)
KR (1) KR0163018B1 (es)
AT (1) ATE133271T1 (es)
AU (1) AU633862B2 (es)
CA (1) CA2006056C (es)
DE (1) DE68925484T2 (es)
ES (1) ES2081972T3 (es)
WO (1) WO1990007133A1 (es)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69032939T2 (de) * 1989-09-04 1999-07-29 Commonwealth Scientific And Industrial Research Organisation, Campbell Lichtbrechungsnetz und verfahren zur herstellung
AU649625B2 (en) * 1989-09-04 1994-06-02 Commonwealth Scientific And Industrial Research Organisation Diffraction grating and method of manufacture
US5291317A (en) * 1990-07-12 1994-03-01 Applied Holographics Corporation Holographic diffraction grating patterns and methods for creating the same
GB9025390D0 (en) * 1990-11-22 1991-01-09 De La Rue Thomas & Co Ltd Security device
CA2060057C (en) * 1991-01-29 1997-12-16 Susumu Takahashi Display having diffraction grating pattern
WO1993018419A1 (en) * 1992-03-12 1993-09-16 Commonwealth Scientific And Industrial Research Organisation Security diffraction grating with special optical effects
US5672410A (en) * 1992-05-11 1997-09-30 Avery Dennison Corporation Embossed metallic leafing pigments
US5991078A (en) * 1992-08-19 1999-11-23 Dai Nippon Printing Co., Ltd. Display medium employing diffraction grating and method of producing diffraction grating assembly
EP0627675B1 (de) * 1993-04-16 2001-06-13 Infineon Technologies AG Diffraktive optische Einrichtung zur optischen Abbildung eines Raumpunktes auf andere Raumpunkte
US5909313A (en) * 1993-05-25 1999-06-01 Commonwealth Scientific And Industrial Research Organisation Multiple image diffractive device
US5784200A (en) * 1993-05-27 1998-07-21 Dai Nippon Printing Co., Ltd. Difraction grating recording medium, and method and apparatus for preparing the same
DE69427308T2 (de) * 1993-08-06 2001-09-06 Commonwealth Scientific And Industrial Research Organisation, Campbell Diffraktive Vorrichtung
TW265421B (es) * 1993-11-23 1995-12-11 Commw Scient Ind Res Org
AU679333B2 (en) * 1994-02-14 1997-06-26 Commonwealth Scientific And Industrial Research Organisation Diffractive device with enhanced anti-copying protection
AUPM382994A0 (en) * 1994-02-14 1994-03-10 Commonwealth Scientific And Industrial Research Organisation Diffractive device with enhanced anti-copying protection
CN1174611A (zh) * 1994-09-05 1998-02-25 米高技术有限公司 衍射表面及其制造方法
DE19819571A1 (de) * 1998-04-30 1999-11-04 Giesecke & Devrient Gmbh Wertdokument mit Sicherheitselement
US5906063A (en) * 1998-06-26 1999-05-25 Magee, Sr.; Orrice Novelty greeting card
TW452740B (en) * 1999-08-09 2001-09-01 Ind Tech Res Inst Diffraction type anti-counterfeiting tag for both of bare eye reading and machine reading
FI116086B (fi) * 2000-06-08 2005-09-15 Avantone Oy Varmistusmerkitty paperi- tai kartonkituote ja varmistusmerkitty pakkaus
WO2002006858A2 (en) * 2000-07-18 2002-01-24 Optaglio Limited Achromatic diffractive device
US20100085642A1 (en) * 2000-07-18 2010-04-08 Optaglio Limited Diffractive device
US20060216478A1 (en) * 2000-07-26 2006-09-28 Shimadzu Corporation Grating, negative and replica gratings of the grating, and method of manufacturing the same
US6716362B1 (en) * 2000-10-24 2004-04-06 International Business Machines Corporation Method for thin film laser reflectance correlation for substrate etch endpoint
AUPR483301A0 (en) * 2001-05-08 2001-05-31 Commonwealth Scientific And Industrial Research Organisation An optical device and methods of manufacture
AU2002252818B2 (en) * 2001-05-08 2007-10-25 Innovia Security Pty Ltd An optical device and methods of manufacture
GB0117391D0 (en) * 2001-07-17 2001-09-05 Optaglio Ltd Optical device and method of manufacture
RU2339981C2 (ru) * 2002-06-12 2008-11-27 Гизеке Унд Девриент Гмбх Способ получения решетчатых изображений
DE10226115A1 (de) * 2002-06-12 2003-12-24 Giesecke & Devrient Gmbh Verfahren zum Erzeugen eines Gitterbildes, Gitterbild und Sicherheitsdokument
US7367759B2 (en) * 2004-12-07 2008-05-06 A.M. Precision Machining, Inc. Surface relief grating image machining process and product
FI122671B (fi) * 2005-03-09 2012-05-15 M Real Oyj Menetelmä visuaalisesti tunnistettavan kuvion tuottamiseksi substraatille
ES2348045T3 (es) * 2006-11-18 2010-11-29 European Central Bank Documento de seguridad.
US9341621B2 (en) * 2007-05-31 2016-05-17 Purdue Research Foundation Ultrasensitive detection of biomolecules using immunoseparation and diffractometry
DE102009037629B4 (de) * 2009-08-14 2012-12-06 Friedrich-Schiller-Universität Jena Pixeliertes, diffraktives optisches Element mit zwei Höhenstufen zur Erzeugung einer Phasenverteilung mit beliebigem Phasenhub
DE102009056934A1 (de) 2009-12-04 2011-06-09 Giesecke & Devrient Gmbh Sicherheitselement, Wertdokument mit einem solchen Sicherheitselement sowie Herstellungsverfahren eines Sicherheitselementes
DE102010047250A1 (de) 2009-12-04 2011-06-09 Giesecke & Devrient Gmbh Sicherheitselement, Wertdokument mit einem solchen Sicherheitselement sowie Herstellungsverfahren eines Sicherheitselementes
DE102011108242A1 (de) 2011-07-21 2013-01-24 Giesecke & Devrient Gmbh Optisch variables Element, insbesondere Sicherheitselement
AU2011101251B4 (en) * 2011-09-29 2012-01-19 Innovia Security Pty Ltd Optically variable device
GB201417711D0 (en) 2014-10-07 2014-11-19 Qinetiq Ltd Optical identification system
CN111427107B (zh) * 2020-04-07 2022-02-15 上海冠众光学科技有限公司 一种衍射光学元件取值模型、衍射光学元件及其制作方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH505394A (de) * 1970-08-05 1971-03-31 Balzers Patent Beteilig Ag Filter für Objektive zur Erzeugung von optischen Abbildungen mit Beugungserscheinungen
US4130348A (en) * 1973-09-18 1978-12-19 Tokyo Shibaura Electric Co., Ltd. Optical system for a coherent light illuminating source
US4520387A (en) * 1980-08-06 1985-05-28 Moorfeed Corporation Holographic imager
US4426130A (en) * 1981-02-19 1984-01-17 Rca Corporation Semi-thick transmissive and reflective sinusoidal phase grating structures
CH659433A5 (de) * 1982-10-04 1987-01-30 Landis & Gyr Ag Dokument mit einem beugungsoptischen sicherheitselement.
EP0228088A3 (en) * 1985-12-30 1990-05-23 Robert Michael Dr. Schimpe Tunable surface emitting laser
US4788116A (en) * 1986-03-31 1988-11-29 Xerox Corporation Full color images using multiple diffraction gratings and masking techniques
US4832445A (en) * 1986-05-16 1989-05-23 American Bank Note Holographics, Inc. Security diffraction devices difficult to exactly duplicate
US5145212A (en) * 1988-02-12 1992-09-08 American Banknote Holographics, Inc. Non-continuous holograms, methods of making them and articles incorporating them
EP0330738B1 (de) * 1988-03-03 1991-11-13 Landis & Gyr Betriebs AG Dokument
EP0375833B1 (de) * 1988-12-12 1993-02-10 Landis & Gyr Technology Innovation AG Optisch variables Flächenmuster

Also Published As

Publication number Publication date
WO1990007133A1 (en) 1990-06-28
AU4811090A (en) 1990-07-10
CA2006056C (en) 1998-07-28
DE68925484D1 (de) 1996-02-29
CA2006056A1 (en) 1990-06-19
EP0449893B1 (en) 1996-01-17
DE68925484T2 (de) 1996-06-27
KR910700471A (ko) 1991-03-15
AU633862B2 (en) 1993-02-11
EP0449893A4 (en) 1992-03-11
EP0449893A1 (en) 1991-10-09
US5335113A (en) 1994-08-02
KR0163018B1 (ko) 1999-05-01
ATE133271T1 (de) 1996-02-15

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