CA3134731A1 - Magnetic assemblies and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles - Google Patents

Magnetic assemblies and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles Download PDF

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Publication number
CA3134731A1
CA3134731A1 CA3134731A CA3134731A CA3134731A1 CA 3134731 A1 CA3134731 A1 CA 3134731A1 CA 3134731 A CA3134731 A CA 3134731A CA 3134731 A CA3134731 A CA 3134731A CA 3134731 A1 CA3134731 A1 CA 3134731A1
Authority
CA
Canada
Prior art keywords
magnetic
generating device
field generating
dipole
center
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.)
Pending
Application number
CA3134731A
Other languages
English (en)
French (fr)
Inventor
Evgeny LOGINOV
Claude-Alain Despland
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.)
SICPA Holding SA
Original Assignee
SICPA Holding 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 SICPA Holding SA filed Critical SICPA Holding SA
Publication of CA3134731A1 publication Critical patent/CA3134731A1/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/369—Magnetised or magnetisable materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
    • B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
    • B05D3/207—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields post-treatment by magnetic fields
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B05D5/065—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects having colour interferences or colour shifts or opalescent looking, flip-flop, two tones
    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • 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
    • B42D25/30—Identification or security features, e.g. for preventing forgery
    • B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
    • B42D25/378—Special inks
    • B42D25/387—Special inks absorbing or reflecting ultraviolet light
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/34—User authentication involving the use of external additional devices, e.g. dongles or smart cards
    • 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
    • G06K19/12—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 sensed by magnetic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Plasma & Fusion (AREA)
  • Toxicology (AREA)
  • Manufacturing & Machinery (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Credit Cards Or The Like (AREA)
  • Printing Methods (AREA)
  • Laminated Bodies (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Magnetic Record Carriers (AREA)
CA3134731A 2019-03-28 2020-02-17 Magnetic assemblies and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles Pending CA3134731A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP19165774.1 2019-03-28
EP19165774 2019-03-28
PCT/EP2020/054042 WO2020193009A1 (en) 2019-03-28 2020-02-17 Magnetic assemblies and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles

Publications (1)

Publication Number Publication Date
CA3134731A1 true CA3134731A1 (en) 2020-10-01

Family

ID=66000988

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3134731A Pending CA3134731A1 (en) 2019-03-28 2020-02-17 Magnetic assemblies and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles

Country Status (10)

Country Link
US (1) US12054000B2 (enExample)
EP (1) EP3946757B1 (enExample)
JP (1) JP7387961B2 (enExample)
KR (1) KR102809626B1 (enExample)
CN (1) CN113631282B (enExample)
AU (1) AU2020248987B2 (enExample)
CA (1) CA3134731A1 (enExample)
ES (1) ES2950045T3 (enExample)
SA (1) SA521430353B1 (enExample)
WO (1) WO2020193009A1 (enExample)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2988654T3 (es) * 2019-02-08 2024-11-21 Sicpa Holding Sa Conjuntos magnéticos y procesos para producir capas de efecto óptico que comprenden partículas de pigmento magnéticas o magnetizables, oblongas, no esféricas y orientadas
KR20230015445A (ko) 2020-05-26 2023-01-31 시크파 홀딩 에스에이 배향된 소판형 자성 또는 자화 가능한 안료 입자들을 포함하는 광학 효과 층들을 생성하기 위한 자기 어셈블리 및 방법
JP7501282B2 (ja) * 2020-09-28 2024-06-18 セイコーエプソン株式会社 磁性体シートおよびその製造方法
WO2022207692A1 (en) 2021-03-31 2022-10-06 Sicpa Holding Sa Methods for producing optical effect layers comprising magnetic or magnetizable pigment particles and exhibiting one or more indicia
CN113400782B (zh) * 2021-04-29 2023-06-02 惠州市华阳光学技术有限公司 定磁组件以及印刷装置
US12472665B2 (en) 2022-02-18 2025-11-18 Kohler Co. Molded solid surfaces including ferrous material
EP4486515A1 (en) 2022-02-28 2025-01-08 Sicpa Holding SA Methods for producing optical effect layers comprising magnetic or magnetizable pigment particles and exhibiting one or more indicia
KR102722132B1 (ko) * 2022-06-28 2024-10-28 (주)아셈스 물품의 패턴 형성 장치 및 방법
AR132225A1 (es) 2023-04-03 2025-06-04 Sicpa Holding Sa Aparatos y procesos para producir capas de efectos ópticos
CN116714352B (zh) * 2023-05-17 2025-12-05 惠州市华阳光学技术有限公司 定磁装置及定磁方法
TW202528492A (zh) 2023-08-24 2025-07-16 瑞士商西克帕控股有限公司 包含磁性或可磁化顏料顆粒之ｕｖ－ｖｉｓ輻射可固化塗料組成物及用於製造光學效應層之方法
WO2025132602A1 (en) 2023-12-20 2025-06-26 Sicpa Holding Sa Processes for producing optical effects layers
TW202532144A (zh) 2023-12-20 2025-08-16 瑞士商西克帕控股有限公司 用於產生光學效應層的製程
EP4338854A3 (en) 2023-12-20 2024-12-25 Sicpa Holding SA Processes for producing optical effects layers
TW202532145A (zh) 2023-12-20 2025-08-16 瑞士商西克帕控股有限公司 用於產生光學效應層的製程
WO2025176709A1 (en) 2024-02-22 2025-08-28 Sicpa Holding Sa Devices and method for producing security documents
WO2025181133A1 (en) 2024-02-27 2025-09-04 Sicpa Holding Sa Processes for producing optical effects layers
WO2025228771A1 (en) 2024-04-30 2025-11-06 Sicpa Holding Sa Processes for producing optical effect layers
WO2025233239A1 (en) 2024-05-08 2025-11-13 Sicpa Holding Sa Processes for producing optical effect layers
WO2025242569A1 (en) 2024-05-22 2025-11-27 Sicpa Holding Sa Apparatuses and processes for producing optical effects layers
WO2025242568A1 (en) 2024-05-22 2025-11-27 Sicpa Holding Sa Apparatuses and processes for producing optical effects layers

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570856A (en) 1947-03-25 1951-10-09 Du Pont Process for obtaining pigmented films
US3676273A (en) 1970-07-30 1972-07-11 Du Pont Films containing superimposed curved configurations of magnetically orientated pigment
IT938725B (it) 1970-11-07 1973-02-10 Magnetfab Bonn Gmbh Procedimento e dispositivo per otte nere disegni in strati superficiali per mezzo di campi magnetici
US4838648A (en) 1988-05-03 1989-06-13 Optical Coating Laboratory, Inc. Thin film structure having magnetic and color shifting properties
DE69218582T2 (de) 1992-02-21 1997-07-10 Hashimoto Forming Kogyo Co Lackierung mit magnetisch hergestelltem Muster und lackiertes Produkt mit magnetisch hergestelltem Muster
DE4419173A1 (de) 1994-06-01 1995-12-07 Basf Ag Magnetisierbare mehrfach beschichtete metallische Glanzpigmente
EP1017755B1 (de) 1997-09-02 2003-01-29 Basf Aktiengesellschaft Cholesterische effektschichten und verfahren zu deren herstellung
DE59810413D1 (de) 1997-09-02 2004-01-22 Basf Ag Mehrschichtige cholesterische pigmente
DE19820225A1 (de) 1998-05-06 1999-11-11 Basf Ag Mehrschichtige cholesterische Pigmente
US7517578B2 (en) 2002-07-15 2009-04-14 Jds Uniphase Corporation Method and apparatus for orienting magnetic flakes
ATE480599T1 (de) 1999-09-03 2010-09-15 Jds Uniphase Corp Verfahren und einrichtung zur herstellung von interferenzpigmenten
EP1239307A1 (en) 2001-03-09 2002-09-11 Sicpa Holding S.A. Magnetic thin film interference device
US20020160194A1 (en) 2001-04-27 2002-10-31 Flex Products, Inc. Multi-layered magnetic pigments and foils
US7934451B2 (en) 2002-07-15 2011-05-03 Jds Uniphase Corporation Apparatus for orienting magnetic flakes
EP1493590A1 (en) 2003-07-03 2005-01-05 Sicpa Holding S.A. Method and means for producing a magnetically induced design in a coating containing magnetic particles
NZ555662A (en) 2004-12-16 2010-08-27 Sicpa Holding Sa Cholesteric monolayers and monolayer pigments with particular properties, their production and use
CA2541568C (en) 2005-04-06 2014-05-13 Jds Uniphase Corporation Dynamic appearance-changing optical devices (dacod) printed in a shaped magnetic field including printable fresnel structures
EP1854852A1 (en) 2006-05-12 2007-11-14 Sicpa Holding S.A. Coating composition for producing magnetically induced images
NZ575677A (en) 2006-10-17 2011-01-28 Sicpa Holding Sa Method and means for producing a magnetically induced indicia in a coating containing magnetic particles
EP1990208A1 (en) 2007-05-10 2008-11-12 Kba-Giori S.A. Device and method for magnetically transferring indica to a coating composition applied to a substrate
TWI617365B (zh) 2008-08-18 2018-03-11 唯亞威方案公司 用於對準薄片之系統、方法及裝置
US20120001116A1 (en) 2010-06-30 2012-01-05 Jds Uniphase Corporation Magnetic multilayer pigment flake and coating composition
CN102529326B (zh) 2011-12-02 2014-08-06 惠州市华阳光学技术有限公司 磁性颜料印刷品的磁定向装置、制造装置及制造方法
HUE061637T2 (hu) * 2013-01-09 2023-08-28 Sicpa Holding Sa Látószögfüggõ optikai hatást mutató optikai hatású rétegek; eljárások és eszközök azok elõállítására; optikai hatású réteget hordozó tárgyak; és azok felhasználása
DE102013015277B4 (de) 2013-09-16 2016-02-11 Schwarz Druck GmbH Orientierung magnetisch orientierbarer Partikel in einer Farbe mit mehreren einander überlagerten Magnetfeldern
ES2755151T3 (es) 2013-12-04 2020-04-21 Sicpa Holding Sa Dispositivos para producir capas de efecto óptico
RU2648063C1 (ru) 2013-12-13 2018-03-22 Сикпа Холдинг Са Способы получения слоев с эффектами
TW201605655A (zh) * 2014-07-29 2016-02-16 西克帕控股有限公司 用於由磁場產生裝置產生凹形磁力線所製成之光學效果層之場內硬化之方法
AU2015306179A1 (en) 2014-08-22 2016-12-22 Sicpa Holding Sa Apparatus and method for producing optical effect layers
CN106999979B (zh) 2014-11-27 2020-05-19 锡克拜控股有限公司 用于对片状磁性或可磁化颜料粒子进行取向的装置和方法
TW201703879A (zh) * 2015-06-02 2017-02-01 西克帕控股有限公司 用於生產光學效應層之製程
TWI709626B (zh) * 2015-10-15 2020-11-11 瑞士商西克帕控股有限公司 用於製造包含定向非球面磁性或可磁化顏料顆粒的光學效應層之磁性組件與製程
AR107681A1 (es) * 2016-02-29 2018-05-23 Sicpa Holding Sa Aparatos y procesos para producir capas con efecto óptico que comprenden partículas de pigmento no esféricas orientadas magnéticas, o magnetizables
CN109414722B (zh) 2016-07-29 2021-08-17 锡克拜控股有限公司 用于生产效应层的方法
US11292027B2 (en) 2016-08-16 2022-04-05 Sicpa Holding Sa Processes for producing effect layers
PL3515609T3 (pl) * 2016-09-22 2021-05-04 Sicpa Holding Sa Przyrządy i sposoby do wytwarzania warstw z efektem optycznym zawierających zorientowane niesferyczne magnetyczne lub magnesowalne cząstki pigmentu
JP6309676B1 (ja) 2017-08-09 2018-04-11 株式会社コベルコ科研 スクリーン印刷用金属箔メッシュ部材、スクリーン印刷版、及び、該スクリーン印刷版を用いた太陽電池の製造方法

Also Published As

Publication number Publication date
US12054000B2 (en) 2024-08-06
AU2020248987B2 (en) 2025-04-17
KR102809626B1 (ko) 2025-05-20
JP7387961B2 (ja) 2023-11-29
CN113631282A (zh) 2021-11-09
EP3946757A1 (en) 2022-02-09
SA521430353B1 (ar) 2024-06-24
WO2020193009A1 (en) 2020-10-01
AU2020248987A1 (en) 2021-11-18
US20220144005A1 (en) 2022-05-12
CN113631282B (zh) 2023-03-31
BR112021018913A2 (pt) 2021-11-30
KR20210140765A (ko) 2021-11-23
EP3946757B1 (en) 2023-05-03
ES2950045T3 (es) 2023-10-04
JP2022526515A (ja) 2022-05-25

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