Origin
Anti-counterfeitingisapreventivemeasuretakentopreventimitationorcopyingactivitiesforthepurposeofdeceptionwithoutthepermissionoftheowner.Anti-counterfeitingisatechnologyadoptedtoachievethepurposeofanti-counterfeiting.Itcanaccuratelyidentifytheauthenticitywithinacertainrangeandisnoteasytobecopiedandcopied.
Withthedevelopmentofhightechnologyandpeople'srequirementsforhigh-qualitypackagingprintedmatter,thepackagingandprintingindustryhasbegunalarge-scaletechnologicalrevolutioninrecentyears.Thecombineduseofmultipleprintingequipmentandthemutualpenetrationofmultipleprintingprocesses,Makeprintingproductsmoreunpredictableandcolorful.Productsprintedusingthesenewtechnologieshavesetupbarriersandresistanceforthosewhotrytofake.
Category
1.Plano-convexprintingandmulti-processprinting
Generally,high-endpackaginganddecorationprintsaredesignedwithlargeareasofcolorblocks,multi-colorsequentialcontinuousadjustmentpictures,andcomplexlines,patterns,etc.Bringsacertaindegreeofdifficultytoasingleprintingmethod.Ifyouuseplano-convexprinting,thatis,usingaletterpressprintingmachinewithhighpressureandeveninkingstrengthsandlargeareasofsolidcolorblocks,usingtheflatandsoftstrengthsofthelithographicprintingmachinetoprintfour-colorcontinuousandcomplexlineparts,soastomaximizethestrengthsandavoidtheweaknesses,theeffectisIt'sveryobvious.Forsomemoredemandingandmorecomplexprintedproducts,youcanalsousemulti-processprintingsuchashand,convex,concaveandflat,convex,concaveandleaking.Inshort,themorecomplextheprintingprocess,themoredifficulttheprintingofpackaginganddecoration,thebettertheanti-counterfeitingeffect.
2.Multi-colorserialprinting
Multi-colorserialprintingisalsocalledserialcolorprinting.Generally,letterpressprintingmachinesareusedforprinting.Putinksofmultiplehuesindifferentcompartments.Underthestringingactionofthestringingroller,theadjacentpartsoftheinkaremixedandthentransferredtotheprintingplate.Withthisprintingprocess,multiplecolorscanbeprintedatonetimewithasofttransitioninthemiddle.Sinceitisdifficulttoseetheplacementdistanceoftheinktankpartitionfromtheprintedproduct,itcanalsoplayacertainanti-counterfeitingeffect.Ifthistechnologyisusedinlarge-areashadingprinting,itsanti-counterfeitingeffectwillbemoreprominent.
3.Gravureprintingtechnology
meansthatthegraphicsandtextpartsontheprintingplateareraised,andtheprintedgraphicsandtextsarealsoraisedinink,andthegraphicsandtextlinesareclear,layered,andtouchable.Icanfeelit.Thisprintingtechnologynotonlyprotectsthepaper,butalsohasanti-counterfeitingproperties.Gravureprintingtechnologyisusedforimportantsecurities.
Thetypesofgravureprintingaredividedintotwocategoriesaccordingtotheplate-makingmethod:engravedintaglio(hand-engravedintaglio,mechanicalengravedintaglio),andcorrosionintaglio.
Theanti-counterfeitingeffectofhand-engravedgravureprintingisbetter.Combinedwithanti-counterfeitinginktechnology.Someprintinganti-counterfeitinginkshavelargerpigmentparticlesandrequireathickerinklayer,whilegravureprintinghasastrongertexture.Thecombinationofthetwowillachievedoubleanti-counterfeitinganddecorationeffects.Forexample,theuseoffluorescentinkingravureprintingnotonlyensuresthemicro-convexfeelofgravureprinting,butalsoguaranteestheuserequirementsoffluorescentink,andthesecretanti-counterfeitingfunctionsofbotharealsoguaranteed.
4.Laserholographicirisprinting
Laserholographicirisprintinguseslaserholographicphotographytomakeatemplateinananti-vibrationchamber,andthentransferthepatterntoacertaincarrierthroughacertainpressure.Undertheilluminationofa45-degreepointlightsource,itsproductscanproduceauniquecolorfulrainbow-likeeffect,andtheimagehasastrongthree-dimensionaleffect,whichisdeeplyfavoredbyconsumers.Itiscalledthe21stcenturyink-freecolorprintingbysomepeopleofinsight.Surgery.Twoprocessesaremostlyused:coldpresscoatinganddirectblanching.Becausetheplate-makingprocessofthistechnologyisrelativelycomplicatedanddifficult,onlyafewdomesticmanufacturerscanproduceit,sotheanti-counterfeitingeffectisexcellent.Itshouldbeparticularlypointedoutthatholographicphotographyusesalaserlightsourcetosimultaneouslycapturetheamplitudeinformationandphaseinformationofthescene'slightwavesinaveryshortperiodoftimeinananti-vibrationroom,andusestheprincipleoflightinterferencetoformeachparticleofthescenetoformalltheinformation.Intheprocessofplatemaking,theslightairflowintheroomcancausethecoloroftheholographicimagetochange,soitisimpossibletomaketwoidenticalholographicplatesinanycase.
5.Hand-engravedembossing
Mostofthepackaginganddecorationprintsrequirethekeyproductnamesandpatternstoberaised.Thesegraphicbulgesaremostlymadeofreliefplatesbychemicalcorrosionmethods,andthentheyarecombinedwithgypsumintagliotocompletetheimprinting.Althoughthismethodhastheadvantagesofsimplemanufacturingprocessandshortcycle,theembossingeffectisnotgoodanddoesnothavetheeffectofanti-counterfeiting.Therefore,manyprintingplantsadoptengravingplateembossingprocess.
Thehand-carvedversionshouldbemadeofcopperplateswithbettertexture,andthegraphicsandtexts(mainlypatterns)requiredbytheusershouldbecarvedwithacarvingknifebasedonthemanualskillsoftheengraver.Generally,3to4canbecarved.Levels.Inparticular,itshouldbepointedoutthatthechemicaletchingmethodcanonlymakeonelevel,andthedeadcorneroftheedgepartcannotbemadeintoacertaindegreeofsolitudelikemanualengravingtoimprovetheembossingeffectandpreventthepaperfromchipping.Sincetheskillsofasculptorcannotbemasteredinashorttime,anddifferentsculptorshavedifferentcarvingstyles,eventhesamesculptorcannotcarvetwoexactlythesametemplate.Therefore,stampingwithsuchatemplatePackagingprintedproductsnotonlyhavegoodembossingeffect,richlayersandhighimprintingrate,butalsohaveastronganti-counterfeitingeffect.
6.Specialglossyprinting
Specialglossyprintingisanewtypeofprintingtechnologythatismorepopularinthepackagingprintingindustryinrecentyears.Specialglossprintingprocessesmainlyincludemetallicglossprinting,pearlprinting,pearlglossprinting,refractiveprinting,variableglossprinting,laserholographicirisprinting,crystalglossprinting,imitationmetaletchingprintingandmatteprinting.Amongthem,themetalliclusterprintingusesaluminumfoil-typemetalcompositepaperwitharelativelytransparentinktoformaspecialmetalliclustereffectontheprintedproduct.Inpearlescentprinting,silverpasteisfirstappliedtothesurfaceoftheprintedproduct,andthenanextremelytransparentinkisapplied.Thesilverglitterreflectsapearlescenteffectthroughtheinklayer.Pearllusterprintingisprintingwithinkmixedwithmicaparticlestoproducealustereffectsimilartopearlsandshellfish.Refractiveprintingisauniqueeffectofusingarefractiveplatetoembossthepatternontheprintedproductthroughacertainpressuretoproduceauniqueeffectoflightrefraction.Matteprintingistousematteinkprintingorordinaryinkprintingandthencoveredwithmattingfilm,whichcanproducehazyandweakglosscharacteristics,soitalsohasasaferanti-counterfeitingeffect.