IT938725B - Procedimento e dispositivo per otte nere disegni in strati superficiali per mezzo di campi magnetici - Google Patents

Procedimento e dispositivo per otte nere disegni in strati superficiali per mezzo di campi magnetici

Info

Publication number
IT938725B
IT938725B IT12997/71A IT1299771A IT938725B IT 938725 B IT938725 B IT 938725B IT 12997/71 A IT12997/71 A IT 12997/71A IT 1299771 A IT1299771 A IT 1299771A IT 938725 B IT938725 B IT 938725B
Authority
IT
Italy
Prior art keywords
black
procedure
drawings
magnetic fields
surface layers
Prior art date
Application number
IT12997/71A
Other languages
English (en)
Original Assignee
Magnetfab Bonn Gmbh
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
Priority claimed from DE19702054934 external-priority patent/DE2054934C/de
Application filed by Magnetfab Bonn Gmbh filed Critical Magnetfab Bonn Gmbh
Application granted granted Critical
Publication of IT938725B publication Critical patent/IT938725B/it

Links

Classifications

    • 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
    • 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
    • B05D5/061—Special surface effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/003—Methods and devices for magnetising permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
    • H01F41/16—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0231—Magnetic circuits with PM for power or force generation
    • H01F7/0247—Orientating, locating, transporting arrangements
    • 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
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/50—Multilayers
    • B05D7/52—Two layers
    • B05D7/54—No clear coat specified
IT12997/71A 1970-11-07 1971-10-20 Procedimento e dispositivo per otte nere disegni in strati superficiali per mezzo di campi magnetici IT938725B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702054934 DE2054934C (de) 1970-11-07 Verfahren zum Erzeugen von Mustern mittels Magnetfeldern in Oberflächenschichten

Publications (1)

Publication Number Publication Date
IT938725B true IT938725B (it) 1973-02-10

Family

ID=5787506

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12997/71A IT938725B (it) 1970-11-07 1971-10-20 Procedimento e dispositivo per otte nere disegni in strati superficiali per mezzo di campi magnetici

Country Status (5)

Country Link
US (1) US3791864A (it)
BE (1) BE774930A (it)
FR (1) FR2113650A1 (it)
IT (1) IT938725B (it)
NL (1) NL7115172A (it)

Families Citing this family (125)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4058116A (en) * 1974-10-09 1977-11-15 Louis Bucalo Methods, materials, and devices for providing electrical conductivity particularly for living beings
US4767584A (en) * 1985-04-03 1988-08-30 Massachusetts Institute Of Technology Process of and apparatus for producing design patterns in materials
DE3820709A1 (de) * 1988-06-18 1989-12-21 Michael Steiner Verfahren und vorrichtung zum erzeugen von farbmustern auf unterlagen
US4935083A (en) * 1988-09-21 1990-06-19 Massachusetts Inst Technology Process for producing design patterns on materials
EP0556449B1 (en) * 1992-02-21 1997-03-26 Hashimoto Forming Industry Co., Ltd. Painting with magnetically formed pattern and painted product with magnetically formed pattern
DE19520172A1 (de) * 1995-06-01 1996-12-05 Siemens Ag Magnetisierungseinrichtung für ein magnetoresistives Dünnschicht-Sensorelement mit einem Biasschichtteil
US6103361A (en) * 1997-09-08 2000-08-15 E. I. Du Pont De Nemours And Company Patterned release finish
US20070195392A1 (en) * 1999-07-08 2007-08-23 Jds Uniphase Corporation Adhesive Chromagram And Method Of Forming Thereof
US7667895B2 (en) * 1999-07-08 2010-02-23 Jds Uniphase Corporation Patterned structures with optically variable effects
US7047883B2 (en) 2002-07-15 2006-05-23 Jds Uniphase Corporation Method and apparatus for orienting magnetic flakes
US7604855B2 (en) * 2002-07-15 2009-10-20 Jds Uniphase Corporation Kinematic images formed by orienting alignable flakes
US7517578B2 (en) * 2002-07-15 2009-04-14 Jds Uniphase Corporation Method and apparatus for orienting magnetic flakes
US11768321B2 (en) 2000-01-21 2023-09-26 Viavi Solutions Inc. Optically variable security devices
EP1849620B1 (en) * 2000-01-21 2016-03-23 Viavi Solutions Inc. Optically variable security devices
US20020160194A1 (en) 2001-04-27 2002-10-31 Flex Products, Inc. Multi-layered magnetic pigments and foils
US6808806B2 (en) * 2001-05-07 2004-10-26 Flex Products, Inc. Methods for producing imaged coated articles by using magnetic pigments
JP4381804B2 (ja) * 2001-06-27 2009-12-09 サイクラセル リミテッド ２，６，９−置換プリン誘導体及び増殖性疾患の治療におけるその使用
US7625632B2 (en) * 2002-07-15 2009-12-01 Jds Uniphase Corporation Alignable diffractive pigment flakes and method and apparatus for alignment and images formed therefrom
US6902807B1 (en) 2002-09-13 2005-06-07 Flex Products, Inc. Alignable diffractive pigment flakes
US6893489B2 (en) * 2001-12-20 2005-05-17 Honeywell International Inc. Physical colored inks and coatings
US20100208351A1 (en) * 2002-07-15 2010-08-19 Nofi Michael R Selective and oriented assembly of platelet materials and functional additives
US7258900B2 (en) 2002-07-15 2007-08-21 Jds Uniphase Corporation Magnetic planarization of pigment flakes
US11230127B2 (en) 2002-07-15 2022-01-25 Viavi Solutions Inc. Method and apparatus for orienting magnetic flakes
US7934451B2 (en) * 2002-07-15 2011-05-03 Jds Uniphase Corporation Apparatus for orienting magnetic flakes
US9458324B2 (en) 2002-09-13 2016-10-04 Viava Solutions Inc. Flakes with undulate borders and method of forming thereof
US9164575B2 (en) * 2002-09-13 2015-10-20 Jds Uniphase Corporation Provision of frames or borders around pigment flakes for covert security applications
US8025952B2 (en) 2002-09-13 2011-09-27 Jds Uniphase Corporation Printed magnetic ink overt security image
US7645510B2 (en) 2002-09-13 2010-01-12 Jds Uniphase Corporation Provision of frames or borders around opaque flakes for covert security applications
US7258915B2 (en) * 2003-08-14 2007-08-21 Jds Uniphase Corporation Flake for covert security applications
US7674501B2 (en) * 2002-09-13 2010-03-09 Jds Uniphase Corporation Two-step method of coating an article for security printing by application of electric or magnetic field
US7241489B2 (en) * 2002-09-13 2007-07-10 Jds Uniphase Corporation Opaque flake for covert security applications
US7169472B2 (en) * 2003-02-13 2007-01-30 Jds Uniphase Corporation Robust multilayer magnetic pigments and foils
US7550197B2 (en) * 2003-08-14 2009-06-23 Jds Uniphase Corporation Non-toxic flakes for authentication of pharmaceutical articles
DE102004028566A1 (de) † 2004-06-15 2006-01-05 Aumann Gmbh Wickelvorrichtung
FR2876011B1 (fr) 2004-10-05 2006-12-29 Oreal Procede de maquillage d'un support et kit pour la mise en oeuvre de ce procede
US9649261B2 (en) * 2004-10-05 2017-05-16 L'oreal Method of applying makeup to a surface and a kit for implementing such a method
EP1669213A1 (en) 2004-12-09 2006-06-14 Sicpa Holding S.A. Security element having a viewing-angle dependent aspect
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
EP1745940B2 (en) * 2005-07-20 2018-03-07 Viavi Solutions Inc. A two-step method of coating an article for security printing
CA2564764C (en) * 2005-10-25 2014-05-13 Jds Uniphase Corporation Patterned optical structures with enhanced security feature
FR2894508B1 (fr) * 2005-12-08 2008-03-14 Pivaudran Tech Et Innovations Procede de fabrication d'un objet en matiere synthetique moulee pouvant etre magnetisee et objet obtenu
CA2570965A1 (en) * 2005-12-15 2007-06-15 Jds Uniphase Corporation Security device with metameric features using diffractive pigment flakes
US10343436B2 (en) 2006-02-27 2019-07-09 Viavi Solutions Inc. Security device formed by printing with special effect inks
KR101457501B1 (ko) * 2006-03-21 2014-11-04 아크조노벨코팅스인터내셔널비.브이. 기재에 패턴을 적용하는 방법
CN101394939B (zh) * 2006-03-21 2012-07-18 阿克佐诺贝尔国际涂料股份有限公司 将图案应用于底材上的方法
JP4339328B2 (ja) * 2006-03-29 2009-10-07 日本ビー・ケミカル株式会社 模様形成用塗料及び塗装物品
AU2007201454A1 (en) * 2006-04-05 2007-10-25 Inoac Corporation Pattern forming apparatus and pattern forming method
EP1854852A1 (en) 2006-05-12 2007-11-14 Sicpa Holding S.A. Coating composition for producing magnetically induced images
TWI437059B (zh) * 2006-07-12 2014-05-11 Jds Uniphase Corp 壓印一經硬化及場配向之特效薄片之塗層及藉此形成之圖像
EP1880866A1 (en) * 2006-07-19 2008-01-23 Sicpa Holding S.A. Oriented image coating on transparent substrate
CA2666650C (en) * 2006-10-17 2015-04-28 Sicpa Holding S.A. Method and means for producing a magnetically induced indicia in a coating containing magnetic particles
US20080098912A1 (en) * 2006-10-30 2008-05-01 Sang Broli Company Limited Process and compound for producing printed design creating three-dimensional visual effect
US8057889B2 (en) * 2007-05-21 2011-11-15 Corning Incorporated Method for producing anisoptropic bulk materials
AU2008219354B2 (en) 2007-09-19 2014-02-13 Viavi Solutions Inc. Anisotropic magnetic flakes
US20090130448A1 (en) * 2007-11-16 2009-05-21 Arnold Magnetic Technologies Flexible magnets having a printable surface and methods of production
JP2009193069A (ja) 2008-02-13 2009-08-27 Jds Uniphase Corp 光学的な特殊効果フレークを含むレーザ印刷用の媒体
US9011752B2 (en) * 2008-03-03 2015-04-21 Nokia Corporation Electromagnetic wave transmission lines using magnetic nanoparticle composites
GB0820611D0 (en) * 2008-11-11 2008-12-17 Crown Packaging Technology Inc Magnetised coating effect
TWI443612B (zh) 2009-04-07 2014-07-01 Sicpa Holding Sa 受壓變色保密元件
EA201270177A1 (ru) 2009-07-28 2012-06-29 Сикпа Холдинг Са Трансферная фольга, содержащая магнитный пигмент с переменными оптическими свойствами, способ изготовления и применение трансферной фольги и изделие или документ, содержащие такую фольгу
AR080431A1 (es) 2010-03-03 2012-04-11 Sicpa Holding Sa Hilo o tira de seguridad que comprende particulas magneticas orientadas en tinta y procedimiento y medio para producir el mismo
HUE049370T2 (hu) 2010-09-24 2020-09-28 Sicpa Holding Sa Eszköz, rendszer és módszer mágnesesen indukált vizuális effektus létrehozására
IN2014MN01816A (it) 2012-01-12 2015-06-12 Jds Uniphase Corp
NO20120739A1 (no) * 2012-06-25 2013-12-26 Inst Energiteknik En metode for forming av et legeme med en partikkelstruktur fiksert i et matrisemateriale
NO20120740A1 (no) * 2012-06-25 2013-12-26 Inst Energiteknik En metode for forming av et legeme med en partikkelstruktur fiksert i et matrisemateriale
BE1020786A3 (fr) * 2012-07-10 2014-05-06 Agc Glass Europe Methode pour produire des motifs induits magnetiquement dans une couche deposee sur une feuille de verre.
WO2014019163A1 (en) 2012-08-01 2014-02-06 Sicpa Holding Sa Optically variable security threads and stripes
US9701152B2 (en) 2012-08-29 2017-07-11 Sicpa Holding Sa Optically variable security threads and stripes
MX2015006904A (es) 2012-12-07 2015-09-16 Sicpa Holding Sa Composiciones de tinta de secado oxidativo.
TW201431616A (zh) 2013-01-09 2014-08-16 Sicpa Holding Sa 顯示取決於視角的光學效應之光學效應層；用於其生產之工藝和裝置；攜帶光學效應層之物品；及其用途
ES2928495T3 (es) 2013-01-09 2022-11-18 Sicpa Holding Sa Capas de efecto óptico que muestran un efecto óptico dependiente del ángulo de visión, procesos y dispositivos para su producción, artículos provistos de una capa de efecto óptico, y usos de las mismas
CN108790388B (zh) 2013-03-27 2021-06-04 唯亚威通讯技术有限公司 具有虚幻光学效应的光学装置及其制造方法
US9482800B2 (en) 2013-06-10 2016-11-01 Viavi Solutions Inc. Durable optical interference pigment with a bimetal core
AU2014280095A1 (en) 2013-06-14 2015-12-17 Sicpa Holding Sa Permanent magnet assemblies for generating concave field lines and process for creating optical effect coating therewith (inverse rolling bar)
CN105452847B (zh) * 2013-08-02 2018-10-16 锡克拜控股有限公司 用于确定在光学效应层的延伸区域上方的颜料颗粒取向的方法和装置
TWI641660B (zh) 2013-08-05 2018-11-21 瑞士商西克帕控股有限公司 磁性或可磁化色料顆粒及光學效應層
EP2871065A1 (fr) * 2013-11-12 2015-05-13 AGC Glass Europe Méthode pour produire des motifs induits magnétiquement dans une couche déposée sur une feuille de verre
ES2755151T3 (es) 2013-12-04 2020-04-21 Sicpa Holding Sa Dispositivos para producir capas de efecto óptico
PL3079836T3 (pl) 2013-12-13 2020-04-30 Sicpa Holding Sa Sposoby wytwarzania warstw z efektem optycznym
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
EP3174733B1 (en) 2014-07-30 2018-05-09 Sicpa Holding SA Belt-driven processes for producing optical effect layers
AU2015306179A1 (en) 2014-08-22 2016-12-22 Sicpa Holding Sa Apparatus and method for producing optical effect layers
CN104260572B (zh) * 2014-09-26 2016-11-23 惠州市华阳光学技术有限公司 一种磁定向图案及其制备方法
GB201421078D0 (en) 2014-11-27 2015-01-14 Giamag Technologies As Magnet apparatus for generating high gradient magnetic field
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
US10918747B2 (en) 2015-07-30 2021-02-16 Vital Vio, Inc. Disinfecting lighting device
US9927097B2 (en) 2015-07-30 2018-03-27 Vital Vio Inc. Single diode disinfection
US10357582B1 (en) 2015-07-30 2019-07-23 Vital Vio, Inc. Disinfecting lighting device
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
RU2715166C2 (ru) * 2015-11-10 2020-02-25 Сикпа Холдинг Са Устройства и способы получения слоев с оптическим эффектом, содержащих ориентированные несферические магнитные или намагничиваемые частицы пигмента
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
EP3178569A1 (en) 2016-06-29 2017-06-14 Sicpa Holding Sa Processes and devices for producing optical effect layers using a photomask
PT3490722T (pt) 2016-07-29 2021-07-01 Sicpa Holding Sa Processos para produção de camadas de efeitos
HUE055599T2 (hu) 2016-08-16 2023-11-28 Sicpa Holding Sa Eljárások effekt rétegek elõállítására
DK3515609T3 (da) 2016-09-22 2021-01-11 Sicpa Holding Sa Apparater og fremgangsmåder til fremstilling af optiske effektlag omfattende orienterede ikke-sfæriske magnetiske eller magnetiserbare pigmentpartikler
PL3576888T3 (pl) 2017-01-31 2021-10-25 Sicpa Holding Sa Przyrządy i sposoby do wytwarzania warstw z efektem optycznym
TWI780201B (zh) 2017-08-25 2022-10-11 瑞士商西克帕控股有限公司 光學效果層及其使用方法、包括此光學效果層的安全性文件或裝飾構件、及用於產生此光學效果層的裝置及進程
TWI768096B (zh) 2017-08-25 2022-06-21 瑞士商西克帕控股有限公司 光學效果層、用於產生此光學效果層的裝置及進程、及此裝置的使用方法
TWI773805B (zh) 2017-08-25 2022-08-11 瑞士商西克帕控股有限公司 用於產生包括經定向非球面扁球狀的磁性或可磁化顏料粒子的光學效果層的組件及進程
US10835627B2 (en) 2017-12-01 2020-11-17 Vital Vio, Inc. Devices using flexible light emitting layer for creating disinfecting illuminated surface, and related method
US10309614B1 (en) 2017-12-05 2019-06-04 Vital Vivo, Inc. Light directing element
TWI794359B (zh) 2018-01-17 2023-03-01 瑞士商西克帕控股有限公司 用於生產光學效應層之製程
US10413626B1 (en) 2018-03-29 2019-09-17 Vital Vio, Inc. Multiple light emitter for inactivating microorganisms
CA3099609A1 (en) 2018-05-08 2019-11-14 Sicpa Holding Sa Magnetic assemblies, apparatuses and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles
EP3829891A1 (en) 2018-07-30 2021-06-09 Sicpa Holding SA Assemblies and processes for producing optical effect layers comprising oriented magnetic or magnetizable pigment particles
AU2019313421A1 (en) 2018-07-30 2021-03-18 Sicpa Holding Sa Processes for producing optical effects layers
TWI829734B (zh) 2018-09-10 2024-01-21 瑞士商西克帕控股有限公司 光學效應層、生產其之製程、及包含其之安全文件、裝飾元件及物件
US20220134794A1 (en) 2019-02-08 2022-05-05 Sicpa Holding Sa Magnetic assemblies and processes for producing optical effect layers comprising oriented non-spherical oblate magnetic or magnetizable pigment particles
TW202100960A (zh) 2019-02-28 2021-01-01 瑞士商西克帕控股有限公司 利用可攜式裝置來認證磁感應標記之方法
AU2020248987A1 (en) 2019-03-28 2021-11-18 Sicpa Holding Sa Magnetic assemblies and processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles
US11639897B2 (en) 2019-03-29 2023-05-02 Vyv, Inc. Contamination load sensing device
US11541135B2 (en) 2019-06-28 2023-01-03 Vyv, Inc. Multiple band visible light disinfection
US11369704B2 (en) 2019-08-15 2022-06-28 Vyv, Inc. Devices configured to disinfect interiors
US11878084B2 (en) 2019-09-20 2024-01-23 Vyv, Inc. Disinfecting light emitting subcomponent
KR20220088906A (ko) 2019-10-28 2022-06-28 시크파 홀딩 에스에이 배향된 비-구형 자성 또는 자화성 안료 입자를 포함하는 광학 효과층을 제조하기 위한 자성 어셈블리 및 공정
ES2961414T3 (es) 2019-10-28 2024-03-11 Sicpa Holding Sa Conjuntos magnéticos y procesos para producir capas de efecto óptico que comprenden partículas de pigmento magnéticas o magnetizables, no esféricas y orientadas
MX2022014804A (es) 2020-05-26 2023-01-18 Sicpa Holding Sa Conjuntos magneticos y metodos para producir capas de efecto optico que comprenden particulas de pigmento magneticas o magnetizables en forma de plaqueta orientadas.
JP2023530722A (ja) 2020-06-23 2023-07-19 シクパ ホルディング ソシエテ アノニム 磁性又は磁化可能な顔料粒子を含む光学効果層を作製する方法
AR123354A1 (es) 2020-09-02 2022-11-23 Sicpa Holding Sa Marca de seguridad, método y dispositivo para leer la marca de seguridad, documento de seguridad marcado con la marca de seguridad y método y sistema para verificar dicho documento de seguridad
AR123351A1 (es) 2020-09-02 2022-11-23 Sicpa Holding Sa Documentos o artículos de seguridad que comprenden capas de efecto óptico que comprenden partículas de pigmento magnéticas o magnetizables y métodos para producir dichas capas de efecto óptico
TW202239482A (zh) 2021-03-31 2022-10-16 瑞士商西克帕控股有限公司 用於產生包含磁性或可磁化顏料粒子且展現一或更多個標記的光學效應層之方法
KR20240019318A (ko) 2021-06-11 2024-02-14 시크파 홀딩 에스에이 자성 또는 자화성 안료 입자를 포함하는 광학 효과층 및 상기 광학 효과층의 제조 방법
WO2023161464A1 (en) 2022-02-28 2023-08-31 Sicpa Holding Sa Methods for producing optical effect layers comprising magnetic or magnetizable pigment particles and exhibiting one or more indicia
WO2024028408A1 (en) 2022-08-05 2024-02-08 Sicpa Holding Sa Methods for producing optical effect layers comprising magnetic or magnetizable pigment particles and exhibiting one or more indicia
EP4338854A2 (en) 2023-12-20 2024-03-20 Sicpa Holding SA Processes for producing optical effects layers

Family Cites Families (6)

* 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
US3043685A (en) * 1957-07-18 1962-07-10 Xerox Corp Xerographic and magnetic image recording and reproducing
US3047428A (en) * 1958-01-27 1962-07-31 Fuji Photo Film Co Ltd Magnetic recording material
US3149996A (en) * 1960-11-16 1964-09-22 Basf Ag Magnetic record member
DE1300052B (de) * 1963-01-25 1969-07-24 Westinghouse Electric Corp Verfahren zur Herstellung eines Ferrit-Dauermagneten hoher Koerzitivkraft
US3676273A (en) * 1970-07-30 1972-07-11 Du Pont Films containing superimposed curved configurations of magnetically orientated pigment

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DE2054934B2 (de) 1972-08-24
NL7115172A (it) 1972-05-09
FR2113650A1 (it) 1972-06-23
BE774930A (fr) 1972-03-01
US3791864A (en) 1974-02-12
DE2054934A1 (it) 1972-08-24

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