TheossilaDipCoaterisnowavailableforpurchase.Theestimatedshippingdateiscurrentlyoneweekfromordering.
TheOssilaDipCoaterprovideshigh-performancespecifications andsimple-to-useintegratedsoftware–givingresearchersthetoolstocoathigh-qualityfilmsatareasonableprice.
Dipcoatingisoneofthemostwidely-usedcoatingprocessesinindustryandacademiaforproducingthinfilms.Bycontrollingthespeedofsubstratewithdrawalfromsolution,youcanvarythethicknessofthedepositedfilm.Byusingahigh-precisionmotor,therateofwithdrawal-andthereforethefilmthickness-canbecontrolledwithahighdegreeofaccuracyandreproducibility.
TheOssilaDipCoaterusesthesamehigh-precisionstagesusedinourSlot-DieCoaterandSyringePumptoprovideaccuratemovement.Thisresultsinhigh-qualityfilmsthatareeasily&repeatedlyproduced-givingyoutheresultsyouwant,everytime.ThisproductcomeswithaFREE2-yearwarranty,soyoucanrestassuredintheunlikelyeventofanysystemfailure/damage.
- Features
- Applications
- In-builtSoftware
- Specifications
- Theory
Features
High-PrecisionMotor-Buildinguponourmotorisedstagesusedinourslot-diecoaterandsyringepump,wehavedevelopedamotorwithahighdegreeofaccuracyandreproducibility.Youcanbesurethateachtimeyoucoatyoursample,youwillgetthesameresultseverytime.
SmoothMotion-Withthemicro-steppingmotor,yoursubstratewillbeimmersedandwithdrawnusingsmoothandprecisemovements,ensuringhigh-qualityfilmcoatings.
VersatileSubstrateCompatibility-Youcandipcoatsubstratesofvarioussizes,shapes,andmaterials
WideRangeofSpeeds-OurDipCoatercanwithdrawasubstratefromsolutionatratesvaryingfromaslowas0.01mm/stoashighas50mm/s.Thisgivesawiderangeofcoatingthicknesses-allfromasingledip-coatingsystem.
CompactSize-Thesmallfootprintofthesystemenablesyoutoperformmeasurementseveninthesmallestandbusiestlabs!Withatotalbenchareaof20cmx30cm,youcanbeassuredthattheDipCoaterwillfitinyourlab.
Sturdy,Non-SlipDesign-Withrubberisedfeet,theDipCoaterwillremaininplacewhereyouwantitto!
Simple-to-UseSoftware-Thein-builtsoftwareandcontrolsontheDipCoaterhavebeendesignedtomakeiteasyforyoutoprogrammeanexperiment.Bysettingtheimmersionspeed,dwelltime,withdrawalspeed,anddryingtime,theentiredipcoatingprocesscanbecompleted.
FullColourDisplay-Inanylightingcondition,youcaneasilyreadtheDipCoater"scolouredscreen.Theangledscreenhasbeencleverlydesignedforcomfortableviewinginthelab.
In-BuiltSafety-Ensuringthehighestdegreeofsafety,theDipCoaterhasacrashdetectionsystembuiltintothesoftware.Thiswilldetectwhenthesubstrateorarmcrashesintothebaseofthecoaterorabeaker.Upondetectingthis,themotorwillstop.Thisreducesthechanceofdamagingyoursamples,glassware,ortheDipCoateritself.
VariableWithdrawalSpeeds-Thespeedofwithdrawalcanbevariedacrossthesubstratelength.ThisenablesyoutoproducethicknessgrADIentsacrossafilmforthequickoptimisationoffilmthicknesses.
SavedRecipes-Thedipcoateriscapableofsavingupto20differentcoatingrecipes.Thissavestimebyallowingyoutostoreworkingrecipesforfutureuse-perfectforbusylabs,wheremultiplescientistssharethesamepieceofequipment!
Quick-ReleaseClamp-Ourquickreleaseclampdesignallowstheusertoquicklyloadandunloadsamplesontothedipcoaterarm.
MagneticAttachmentforRulers-Built-inmagnetsarestrategicallylocatedbesidetheclamp,soyoucanconvenientlysecureametalrulerinplaceforstorageorforeasymeasurement.(A rulerisincludedwiththisproduct.)
Applications
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Software
TheDipCoater"sin-builtsoftware(noPCrequired)allowsforbothmanualandautomatedcontrol.Manualcoatingallowsyoutosettheimmersionandwithdrawalofthesystemindependently.Thesystemhasatotalof10individualuserprofiles,witheachprofileallowingatotalof20uniquerecipeprogrammestobesaved.
Forautomatedcoating,theimmersionandwithdrawalspeedscanbesetindependently.Ifvariablethicknessesacrossthesubstrateareneeded,agradientofwithdrawalspeedcanbesetacrossthesubstratelength.Boththetimethatthesubstrateisimmersedforandthetimeofdryingcanbecontrolled,whiletheroutinecanberepeatedusingthe"RepeatCycles"function.
Additionally,theDipCoaterhasmultiplein-builtsafetyfeatures,includingasoftware-basedcrashdetectionsystem.Thiswillstopthemovementofthesystemifitdetectsthecrashingofthesubstrateintoabeaker-savingtheuserfromdamagetothesampleorbeakers.
Specifications
| MinimumWithdrawalRate | 0.01mm.s-1 |
| MaximumWithdrawalRate | 50mms-1 |
| RateReproducibility | ±0.01%@1mms-1;±0.1%@10mm.s-1;±0.3%@50mm.s-1 |
| MaximumTravelDistance | 100mm |
| MaximumNumberofCycles | 1000cycles |
| MaximumTimerDuration | 99:59:59(HH:MM:SS) |
| In-builtSoftwareFeatures | VariablewithdrawalspeedRepeatcyclesCrashdetection |
| Programmes | 20 |
| PowerSupply | DC24V |
| OverallProductDimensions | Width:200mmHeight:350mm(450mmfullyextended)Depth:300mm |
| ShippingWeight | <5kg |
Theory
Dipcoatingutilisesthebehaviourofthesolutionmeniscus,atthewithdrawalpointofthesubstratefromthesolutionbath,tocontrolthethicknessandpropertiesofthedepositedfilm.Theinteractionbetweenthegravitationalforceactingonthewithdrawnsolution,thecapillaryforcesofthesolution,thesurfacetension,andinertialforcesultimatelydeterminetheamountofsolutiondepositedontothesubstrate.Althoughtherearemanyfactorsinvolvedindeterminingthestrengthoftheseforcesandhowanequilibriumbetweenthemisreached,almostalloftheseareconstantforagivensolution.
Thethicknessofthefilmsformedduringdip-coatingismostcloselygivenbytheLandau-Levichequation.Thevaluesc,ρ,γ andη arepropertiesofthedepositedsolution;wherecisaconstantthatisdependentuponthebehaviourofasolution,ρ isthedensityofthesolution,γ isthesurfacetensionattheliquid-airinterface,andηistheviscosityofthesolution.ThevaluegisthegravitationalconstantandUisthewithdrawalspeed.
Pleasenotethatinpracticalcircumstances,theseequationsdonotgivecompletelyaccuratetheoreticaldeterminationsforthin-filmthicknesses.Thisisbecausetheexponentofthewithdrawalspeedcanvaryduetosolutionproperties.Whentryingtooptimisetheprocessingconditions,calibrationcurvesshouldbetakenforthesolutioninuse.
MoreinformationonthetheoryofdipcoatingcanbefoundinourDipCoatingTheoryGuide.Thisincludesmoredetailsonthetheoreticalthin-filmthicknesses,theinteractionofthecapillaryandgravitationalforces,andbehaviourofthewetfilmduringthewithdrawalanddryingphase.
Tothebestofourknowledgethetechnicalinformationprovidedhereisaccurate.However,OssilaassumenoliABIlityfortheaccuracyofthisinformation.Thevaluesprovidedherearetypicalatthetimeofmanufactureandmayvaryovertimeandfrombatchtobatch.
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