NO164401B - Fremgangsmaate og innretning til dannelse av et makroskopisk flatemoenster med en mikroskopisk struktur, saerlig en boeyningsoptisk virksom struktur. - Google Patents

Fremgangsmaate og innretning til dannelse av et makroskopisk flatemoenster med en mikroskopisk struktur, saerlig en boeyningsoptisk virksom struktur. Download PDF

Info

Publication number
NO164401B
NO164401B NO852716A NO852716A NO164401B NO 164401 B NO164401 B NO 164401B NO 852716 A NO852716 A NO 852716A NO 852716 A NO852716 A NO 852716A NO 164401 B NO164401 B NO 164401B
Authority
NO
Norway
Prior art keywords
embossing
thermoplastic layer
focal point
piston
matrix
Prior art date
Application number
NO852716A
Other languages
English (en)
Other versions
NO164401C (no
NO852716L (no
Inventor
Gregor Antes
Original Assignee
Landis & Gyr Ag
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 Landis & Gyr Ag filed Critical Landis & Gyr Ag
Publication of NO852716L publication Critical patent/NO852716L/no
Publication of NO164401B publication Critical patent/NO164401B/no
Publication of NO164401C publication Critical patent/NO164401C/no

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/0276—Replicating a master hologram without interference recording
    • G03H1/028—Replicating a master hologram without interference recording by embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
    • G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
    • G06K1/126—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by photographic or thermographic registration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
    • B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
    • B29C2035/0838—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation using laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/0236—Form or shape of the hologram when not registered to the substrate, e.g. trimming the hologram to alphanumerical shape
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
    • G03H1/024—Hologram nature or properties
    • G03H1/0244—Surface relief holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/04—Processes or apparatus for producing holograms
    • G03H1/0493—Special holograms not otherwise provided for, e.g. conoscopic, referenceless holography
    • G03H2001/0497—Dot matrix holograms
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2224/00—Writing means other than actinic light wave
    • G03H2224/06—Thermal or photo-thermal means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2260/00—Recording materials or recording processes
    • G03H2260/50—Reactivity or recording processes
    • G03H2260/61—Producing material deformation

Claims (10)

1. Fremgangsmåte til dannelse av et makroskopisk flatemøns-
ter med en mikroskopisk struktur, særlig en bøyningsoptisk virksom struktur, ved i et termoplastisk skikt (3) å inn-prege utvalgte flateområder fra en pregematrise ( 4) som har en mikrostruktur,karakterisert ved at det ved hjelp av en strålekilde (12) foretas oppvarming av et i dens brennpunkt (14) liggende, tilnærmet punktformet flateelement av det termoplastiske skikt (3), slik at pregematrisens (4) mikrostruktur bare innpreges plastisk i dette flateelement og at flatemønsteret sammensettes av flere slike flateelementer.
2. Fremgangsmåte ifølge krav 1,karakterisert ved at et pregetrykk utelukkende dannes i området ved brennpunktet (14).
3. Fremgangsmåte ifølge krav 2,karakterisert ved at pregetrykket dannes i området ved brennpunktet (14) ved hjelp av et stempel (5; 5') med konveks overflate.
4. Fremgangsmåte ifølge et av kravene 1-3,karakterisert ved at det ved kontinuerlig forskyvning av pregematrisen (4) og det termoplastiske skikt (3) i forhold til brennpunktet (14) innpreges sammenhengende båndformede flateområder av pregematrisens (4) mikrostruktur .
5. Fremgangsmåte ifølge et av kravene 1-3, karakterisert ved at det termoplastiske skikt (3) ved utkoblet strålekilde (12) og opphevet pregetrykk forskyves trinnvis i forhold til brennpunktet (14).
6. Fremgangsmåte ifølge krav 5, karakterisert ved at pregematrisen (4) dreies eller utskiftes ved forskyvningen.
7. Fremgangsmåte ifølge et av kravene 1-6, karakterisert ved at det ved hjelp av en optoelektronisk føler (23) avføles et mønsterforbilde (21), at pregematrisen (4) og det termoplastiske skikt (3) forskyves synkront dertil, i forhold til brennpunktet (14) og at strålekilden (12) styres slik i avhengighet av følerens (23) utgangssignal, at pregematrisens (4) mikrostruktur bare innpreges på tilsvarende steder av skiktet (3) når den lokale reflektivitet for mønsterforbildet (21) overskrider en forutbestemt verdi.
8. Innretning for gjennomføring av fremgangsmåten ifølge et av kravene 1-7, med en plan, stiv trykkplate (1), et substrat (2) med et termoplastisk skikt (3), en pregematrise (4) og et stempel (5; 5 ' ) , - karakterisert ved at trykkplaten (1) og substratet (2) er transparent, at det på den motsatt til stempelet (5; 5') liggende side av trykkplaten (1) er anordnet en strålekilde (12), hvis brennpunkt (14) oppvarmer et tilnærmet punktformet flateelement på det termoplastiske skikt (3), at stempelet (5; 5'.) har en konveks overflate og utelukkende i området ved brennpunktet (14) danner et pregetrykk og at pregematrisen (4) og det termoplastiske skikt (3) er forskyvbart anordnet i forhold til brennpunktet (14) og stempelet (5; 5') i et til det termoplastiske skikt (3) parallelt plan.
9. Innretning ifølge krav 8, karakterisert ved at stempelet (5) består av en kuleholder (15) og en kule (16), at kulen (16) er anordnet i et sylindrisk rom (17) i kuleholderen (15) og at det sylindriske rom (17) er tilsluttet over en trykkluftledning (18) til en trykkluftkilde (20).
10. Innretning ifølge krav 8 eller 9,karakterisert ved at det er anordnet en forskyvningsenhet (24), som fører en optoelektronisk føler (23) over et mønsterforbilde (21) og synkront dertil forskyver pregematrisen (4) og det termoplastiske skikt (3) i forhold til brennpunktet (14) og stempelet (5; 5'), og at den elektriske utgang fra føleren (23) er forbundet med en styreinngang (29) på en modulator (10) for energien til den fra strålekilden (12) utgående stråle.
NO852716A 1984-07-06 1985-07-05 Fremgangsmaate og innretning til dannelse av et makroskopisk flatemoenster med en mikroskopisk struktur, saerlig en boeyningsoptisk virksom struktur. NO164401C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3277/84A CH664030A5 (de) 1984-07-06 1984-07-06 Verfahren zur erzeugung eines makroskopischen flaechenmusters mit einer mikroskopischen struktur, insbesondere einer beugungsoptisch wirksamen struktur.

Publications (3)

Publication Number Publication Date
NO852716L NO852716L (no) 1986-01-07
NO164401B true NO164401B (no) 1990-06-25
NO164401C NO164401C (no) 1990-10-03

Family

ID=4252505

Family Applications (1)

Application Number Title Priority Date Filing Date
NO852716A NO164401C (no) 1984-07-06 1985-07-05 Fremgangsmaate og innretning til dannelse av et makroskopisk flatemoenster med en mikroskopisk struktur, saerlig en boeyningsoptisk virksom struktur.

Country Status (11)

Country Link
US (1) US4761253A (no)
EP (1) EP0169326B1 (no)
JP (1) JPS6120723A (no)
AT (1) ATE41250T1 (no)
AU (1) AU572314B2 (no)
CA (1) CA1266194A (no)
CH (1) CH664030A5 (no)
DE (1) DE3568651D1 (no)
DK (1) DK160167C (no)
ES (1) ES8702836A1 (no)
NO (1) NO164401C (no)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE69407T1 (de) * 1988-03-03 1991-11-15 Landis & Gyr Betriebs Ag Dokument.
JP2789597B2 (ja) * 1988-03-18 1998-08-20 凸版印刷株式会社 ホログラム複製用多面付け原版の製造方法
EP0366858B1 (de) * 1988-09-30 1995-08-02 Landis & Gyr Technology Innovation AG Strichkodefeld und Strichkodeleser
JP2564638B2 (ja) * 1988-12-30 1996-12-18 太陽誘電株式会社 コンパクトディスクの製造方法
ATE131115T1 (de) * 1991-10-14 1995-12-15 Landis & Gyr Tech Innovat Sicherheitselement.
US5538753A (en) * 1991-10-14 1996-07-23 Landis & Gyr Betriebs Ag Security element
US6219015B1 (en) * 1992-04-28 2001-04-17 The Board Of Directors Of The Leland Stanford, Junior University Method and apparatus for using an array of grating light valves to produce multicolor optical images
EP0683404B1 (en) * 1994-04-08 1999-11-03 Enea Ente Per Le Nuove Tecnologie, L'energia E L'ambiente Method and apparatus for producing diffraction gratings by machine forming in a fast operation cycle
ATE170014T1 (de) * 1995-05-05 1998-09-15 Landis & Gyr Tech Innovat Verfahren zum aufbringen eines sicherheitselementes auf ein substrat
US5629801A (en) * 1995-06-07 1997-05-13 Silicon Light Machines Diffraction grating light doubling collection system
US5661592A (en) * 1995-06-07 1997-08-26 Silicon Light Machines Method of making and an apparatus for a flat diffraction grating light valve
US5798743A (en) * 1995-06-07 1998-08-25 Silicon Light Machines Clear-behind matrix addressing for display systems
US5841579A (en) * 1995-06-07 1998-11-24 Silicon Light Machines Flat diffraction grating light valve
US6064404A (en) * 1996-11-05 2000-05-16 Silicon Light Machines Bandwidth and frame buffer size reduction in a digital pulse-width-modulated display system
US5882770A (en) * 1996-12-31 1999-03-16 Makansi; Munzer Rainbow and hologram images on fabrics
US5982553A (en) 1997-03-20 1999-11-09 Silicon Light Machines Display device incorporating one-dimensional grating light-valve array
US6088102A (en) * 1997-10-31 2000-07-11 Silicon Light Machines Display apparatus including grating light-valve array and interferometric optical system
US6271808B1 (en) 1998-06-05 2001-08-07 Silicon Light Machines Stereo head mounted display using a single display device
US6130770A (en) 1998-06-23 2000-10-10 Silicon Light Machines Electron gun activated grating light valve
US6101036A (en) 1998-06-23 2000-08-08 Silicon Light Machines Embossed diffraction grating alone and in combination with changeable image display
US6215579B1 (en) 1998-06-24 2001-04-10 Silicon Light Machines Method and apparatus for modulating an incident light beam for forming a two-dimensional image
US6303986B1 (en) 1998-07-29 2001-10-16 Silicon Light Machines Method of and apparatus for sealing an hermetic lid to a semiconductor die
GB2365815B (en) * 1999-01-22 2002-10-30 Sony Corp Manufacture of optical elements
JP2000214884A (ja) 1999-01-22 2000-08-04 Olympus Optical Co Ltd 音声記録装置
JP4099887B2 (ja) * 1999-01-22 2008-06-11 ソニー株式会社 光学素子の製造方法、並びに光学素子製造用金型
DE19925175C1 (de) * 1999-05-27 2000-05-25 Jenoptik Jena Gmbh Einrichtung und Verfahren zur Übertragung von Mikrostrukturen
US6589628B1 (en) * 2000-06-27 2003-07-08 Omnova Solutions Inc. Article having optical effects
US20050037143A1 (en) * 2000-07-18 2005-02-17 Chou Stephen Y. Imprint lithography with improved monitoring and control and apparatus therefor
US7211214B2 (en) * 2000-07-18 2007-05-01 Princeton University Laser assisted direct imprint lithography
TW571291B (en) * 2001-01-31 2004-01-11 Ibm Mechanical data processing
US6707591B2 (en) 2001-04-10 2004-03-16 Silicon Light Machines Angled illumination for a single order light modulator based projection system
US6782205B2 (en) 2001-06-25 2004-08-24 Silicon Light Machines Method and apparatus for dynamic equalization in wavelength division multiplexing
US6747781B2 (en) 2001-06-25 2004-06-08 Silicon Light Machines, Inc. Method, apparatus, and diffuser for reducing laser speckle
US6829092B2 (en) 2001-08-15 2004-12-07 Silicon Light Machines, Inc. Blazed grating light valve
US6800238B1 (en) 2002-01-15 2004-10-05 Silicon Light Machines, Inc. Method for domain patterning in low coercive field ferroelectrics
ATE261350T1 (de) * 2002-01-25 2004-03-15 Leister Process Tech Verfahren zum abformen von mikro- und nanostrukturen
US6728023B1 (en) 2002-05-28 2004-04-27 Silicon Light Machines Optical device arrays with optimized image resolution
US6767751B2 (en) 2002-05-28 2004-07-27 Silicon Light Machines, Inc. Integrated driver process flow
US6822797B1 (en) 2002-05-31 2004-11-23 Silicon Light Machines, Inc. Light modulator structure for producing high-contrast operation using zero-order light
AU2003237738A1 (en) * 2002-06-20 2004-01-06 Obducat Ab Method and device for transferring a pattern
US6829258B1 (en) 2002-06-26 2004-12-07 Silicon Light Machines, Inc. Rapidly tunable external cavity laser
US6813059B2 (en) 2002-06-28 2004-11-02 Silicon Light Machines, Inc. Reduced formation of asperities in contact micro-structures
US6714337B1 (en) 2002-06-28 2004-03-30 Silicon Light Machines Method and device for modulating a light beam and having an improved gamma response
EP1526963A1 (de) 2002-08-09 2005-05-04 Leonhard Kurz Gmbh & Co. Laserunterst tztes replizierverfahren
DE10236597A1 (de) 2002-08-09 2004-02-19 Leonhard Kurz Gmbh & Co. Kg Laserunterstütztes Replizierverfahren
US6801354B1 (en) 2002-08-20 2004-10-05 Silicon Light Machines, Inc. 2-D diffraction grating for substantially eliminating polarization dependent losses
US6712480B1 (en) 2002-09-27 2004-03-30 Silicon Light Machines Controlled curvature of stressed micro-structures
US7194105B2 (en) * 2002-10-16 2007-03-20 Hersch Roger D Authentication of documents and articles by moiré patterns
US7295717B2 (en) * 2002-10-16 2007-11-13 Ecole polytechnique fédérale de Lausanne (EPFL) Synthesis of superposition images for watches, valuable articles and publicity
US7751608B2 (en) 2004-06-30 2010-07-06 Ecole Polytechnique Federale De Lausanne (Epfl) Model-based synthesis of band moire images for authenticating security documents and valuable products
US7305105B2 (en) 2005-06-10 2007-12-04 Ecole polytechnique fédérale de Lausanne (EPFL) Authentication of secure items by shape level lines
JP2005005245A (ja) * 2002-11-08 2005-01-06 Fuji Photo Film Co Ltd 転写素材の転写方法、形状転写方法及び転写装置
US6829077B1 (en) 2003-02-28 2004-12-07 Silicon Light Machines, Inc. Diffractive light modulator with dynamically rotatable diffraction plane
US6806997B1 (en) 2003-02-28 2004-10-19 Silicon Light Machines, Inc. Patterned diffractive light modulator ribbon for PDL reduction
US7245406B2 (en) * 2003-09-17 2007-07-17 Dai Nippon Printing Co., Ltd. Method for forming fine concavo-convex patterns, method for producing optical diffraction structure, and method for copying optical diffraction structure
US7037458B2 (en) * 2003-10-23 2006-05-02 Intel Corporation Progressive stamping apparatus and method
JP2005352334A (ja) * 2004-06-14 2005-12-22 Dainippon Printing Co Ltd 光回折構造転写シート及びその製造方法
JP4569185B2 (ja) * 2004-06-15 2010-10-27 ソニー株式会社 フィルム構造体の形成方法及びフィルム構造体
GB0426724D0 (en) * 2004-12-06 2005-01-12 Rue De Int Ltd Improved hologram
US20070194239A1 (en) * 2006-01-31 2007-08-23 Mcallister Abraham Apparatus and method providing a hand-held spectrometer
US7721843B1 (en) * 2006-02-08 2010-05-25 The United States Of America As Represented By The Secretary Of The Navy Visual acoustic device
EP2104930A2 (en) 2006-12-12 2009-09-30 Evans & Sutherland Computer Corporation System and method for aligning rgb light in a single modulator projector
DE102007039591A1 (de) 2007-08-22 2009-02-26 Giesecke & Devrient Gmbh Gitterbild
US8358317B2 (en) 2008-05-23 2013-01-22 Evans & Sutherland Computer Corporation System and method for displaying a planar image on a curved surface
US8702248B1 (en) 2008-06-11 2014-04-22 Evans & Sutherland Computer Corporation Projection method for reducing interpixel gaps on a viewing surface
US8077378B1 (en) 2008-11-12 2011-12-13 Evans & Sutherland Computer Corporation Calibration system and method for light modulation device
US8351087B2 (en) * 2009-06-15 2013-01-08 Ecole Polytechnique Federale De Lausanne (Epfl) Authentication with built-in encryption by using moire parallax effects between fixed correlated s-random layers
US9641826B1 (en) 2011-10-06 2017-05-02 Evans & Sutherland Computer Corporation System and method for displaying distant 3-D stereo on a dome surface
TWI672212B (zh) * 2016-08-25 2019-09-21 國立成功大學 奈米壓印組合體及其壓印方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170008A (en) * 1961-03-14 1965-02-16 Litton Systems Inc Embossing process
US3262122A (en) * 1963-05-01 1966-07-19 Ibm Thermoplastic memory
FR1603960A (no) * 1967-09-11 1971-06-21
US4064205A (en) * 1974-07-02 1977-12-20 Logetronics, Inc. Method for making a printing plate from a porous substrate
CH594495A5 (no) * 1976-05-04 1978-01-13 Landis & Gyr Ag
FR2401484A1 (fr) * 1977-08-25 1979-03-23 Landis & Gyr Ag Dispositif d'empreinte d'hologrammes dans un support thermoplastique
JPS59111820A (ja) * 1982-12-16 1984-06-28 Matsushita Electric Ind Co Ltd 光情報担体デイスクの製造方法
AU4922485A (en) * 1984-11-09 1986-05-15 Canadian Patents And Development Limited Optical interference authenticating device

Also Published As

Publication number Publication date
AU572314B2 (en) 1988-05-05
CH664030A5 (de) 1988-01-29
DE3568651D1 (en) 1989-04-13
ES8702836A1 (es) 1987-01-16
NO164401C (no) 1990-10-03
DK304085D0 (da) 1985-07-03
ATE41250T1 (de) 1989-03-15
AU4467485A (en) 1986-01-09
EP0169326A1 (de) 1986-01-29
JPS6120723A (ja) 1986-01-29
CA1266194A (en) 1990-02-27
DK304085A (da) 1986-01-07
JPH0423897B2 (no) 1992-04-23
ES544893A0 (es) 1987-01-16
US4761253A (en) 1988-08-02
NO852716L (no) 1986-01-07
DK160167C (da) 1991-07-08
EP0169326B1 (de) 1989-03-08
DK160167B (da) 1991-02-04

Similar Documents

Publication Publication Date Title
NO164401B (no) Fremgangsmaate og innretning til dannelse av et makroskopisk flatemoenster med en mikroskopisk struktur, saerlig en boeyningsoptisk virksom struktur.
CN108472980A (zh) 用于将薄膜的转印层施加到基质上的方法和施加设备
US20080030700A1 (en) Device and method for lithography
KR890016439A (ko) 인쇄 및 홀로그램 형성 방법과 장치
CN101746157A (zh) 用于在衬底上固定可辐射固化胶状油墨影像的方法和设备
WO2006027398A1 (es) Método y aparato para la obtención de hologramas y/o efectos ópticos sobre un material laminar
EP2104573B1 (en) Method and system for contacting of a flexible sheet and a substrate
US20100213637A1 (en) Machine head for production of a surface relief
JPS6116857A (ja) 加熱転写箔を使用して材料を乾式印刷するための方法および装置
FI954446A0 (fi) Menetelmä ja laite erikoisosien muotoilemiseksi superplastisen muovauksen avulla
US6376017B1 (en) Method and device for producing a foil material
US20230314687A1 (en) Optically variable film, apparatus and method for making the same
JP2003311831A (ja) 凹凸パターンの形成方法
KR102022268B1 (ko) 순간가열방식 및 용액전사방식의 임프린트 장치와, 그 방법
KR20020045675A (ko) 핫 스탬핑호일을 이용한 표면인쇄방법
CN115122801A (zh) 用于光学可变的防伪元件的制造方法
CN1005968B (zh) 具有微观结构的宏观表面图样的生成方法
CN115122800A (zh) 用于光学可变的防伪元件的制造方法
KR100974144B1 (ko) 대면적 리소그래피용 장치 및 방법
CN116997472A (zh) 光学可变的防伪元件、制造方法和压印组件
JPS5680488A (en) Polychromatic printing method using pad
IT1220910B (it) Procedimento che permette di stampare dei segni su di un supporto
WO2003051641A1 (en) Numberplates