Ultrasonic Cleaning Systems for the Fine Cleaning of ...

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Ultrasonic Cleaning Systems for the Fine Cleaning of Precision Optics / Micro Optics / Infrared Optics

www.elma-ultrasonic.com

•Ready-for-inspectioncleaningandready-for-coatingcleaningwithcustomizedand modularultrasoniccleaninglines•Bathcaremodules,specializedequipment,largerangeofaccessories•Serialunitswithvarioustankdimensions,alsoavailablewithmulti-frequency technology•Elmacleaningchemicals,efficientandenvironment-friendly

Optics

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What Elma offers

Customer requirements

Stageofcleaningprocess(readyforinspectionand/orreadyforcoating)

Cleaningprocessfortheglasstypeshasnotyetbeenestablished

Cleaning lines

Elmaconfiguresthesuitablecleaninglinebasedontherequiredprocess(aqueous,semi-aqueousorincombinationwithsolventsorHFE)anddependingonthe

requiredthroughput

Processes using Elma chemicals

IntheElmaapplicationlaboratoryourengineerscooperatewiththecustomertoestablishtheindividualcleaningprocess

usingElmachemicals

The advantages at a glance

Customizedcleaningunitsandcleaninglinesfordifferentglasstypesanddependingonthroughputrequirements

Ultrasoundwithmulti-frequencytechnology

Measuringsystemsforqualitycontrolandprocessoptimization

Applicationlaboratoryfortheperfectcleaningprocess

CleaningchemicalsdevelopedandmadebyElma

AfterSalesServiceinEurope,theUSAandAsia

Cleaningprocessfortheglasstypes hasalreadybeenestablished

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Elma STC robot systemSingle transport system – standardized cleaning system for large throughput rates and high cleaning demands

Elma MTC Lift-Push systemMultiple transport system – fully automatic standard systems in various sizes for cleaning jobs requiring a high throughput

• standardized cleaning system at excellent price perfor-manceratio•5standardtanksizes(50,100,200,350,600litre)•variablecleaningprocesseswithnumerousoptions•variousprocesschambers(cleaning,rinsingwith/withoutultrasound)•variousdryingsystems(hotair,trough-shapeorflow dryer,IRdryer)•additionalequipmentavailable(vacuumdryer,wet loadingtank,etc.)•variousbathcaresystems(pump-filtersystems,oilsepara-tors,purewaterunits)•controlbyindustrialPCwithintuitivevisualization,remotecontrolandremotemaintenancepossible,datalogger•easyswitchingoflanguages(withspecialcharacters), integratedoperatinginstructions•Elmamulti-frequencytechnology•robustandprovencomponents•process-controlledproductionforvalidatedstableproduc-tionquality(datalogger)•lowerinvestmentcostduetostandardization

•Lift-Pushtechnologyallowshighthroughputrates•3standardchambersizes(50,100,200litre)•otherfeatures:seeSTCsystems

Customized Ultrasonic Cleaning Lines

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HSO 350/350/300/9-WLT

Type:Push-LiftdeviceforthecleaningreadyforcoatingCleaningproduct:FineopticalelementsandprismPollution:Fillers,grindingoil,dust,fingerprintsCleaningresult:FinalcleaningbeforeassemblyProcess:AqueoussystemwithhotairdryingCleaningchemicals:elmacleanproductsThroughput:5–12batches/hTransport:Lift-PushtechnologyPeriphery:CleanwatercirculationequipmentMachinespeciality:Twin-sectiondevicefortheseparatetransportationoftheproductsfromtheindividualprocesssteps

NA 300/300/400/10-ALR

Type:RobotdeviceforthecleaningreadyforcoatingCleaningproduct:LensesforendoscopesPollution:Dust,fingerprints,residuesofprotectivelacquersCleaningresult:FinalcleaningbeforeassemblyProcess:Semi-aqueousbasedsystemwithcentrifugaldryingCleaningchemicals:NEPandelmacleanproductsThroughput:10batches/dayTransport:RobotwithrotationdrivePeriphery:CleanwatercirculationequipmentMachinespeciality:Robotdevicewithrotationdriveforthetransportationofdisccarriersthroughtheprocesschambersrsp.forthedryingoftheproductsbycentrifugaltechnology

NA 300/400/360/8-WLT

Type:RobotdeviceforthecleaningreadyforcoatingCleaningproduct:FineopticalelementsandmountedtrinovidprismswithairgapPollution:Dust,grease,fingerprintsCleaningresult:FinalcleaningbeforeassemblyProcess:AqueoussystemwithhotairdryingCleaningchemicals:elmacleanproductsThroughput:DifferentaccordingtopartstocleanFixedcycle:90sec/batch,Transport:RobotinturningoperationPeriphery:CleanwatercirculationequipmentMachinespeciality.Automaticbasketlockingsystemattherobotdeviceforthefastbaskettransportationbetweentheprocesschambers

Customized Cleaning Lines / Sample Applications

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X-tra pre 300-7-WLT-F-R

Type:Modularcleaninglinewithtransportrobotforfinalinspec-tionbeforeassembly;cleaninglinewithpartialcasingandlaminarflowCleaningproduct:PrecisionopticsMaterial:LensesPollution:Dust,fingerprintsProcess:AqueouswithhotairdryingandcleanroomfilterCleaningchemicals:elmaclean270d&sandelmaclean260d&sPeriphery:CleanwatercirculationequipmentMachinespeciality:Additionalverticalrotationdevicetotakeverysmalloptics

X-tra pre 550-8-WLT-R

Type:Modularcleaninglinewithtransportrobotforfinalinspec-tionbeforecoating;cleaninglinewithpartialcasingandlaminarflowCleaningproduct:PrecisionopticsMaterial:LensesandprismsPollution:Dust,fingerprintsProcess:AqueouswithhotairdryingandcleanroomfilterCleaningchemicals:elmaclean270d&sandelmaclean260d&sPeriphery:Cleanwatercirculationwithcooling

X-tra pre 550-7-WLT-F-R

Type:Modularcleaninglinewithtransportrobotforfinalinspec-tionbeforecoatingCleaningproduct:PrecisionopticsMaterial:LensesPollution:Protectivelacquers,polishingmedia,dust,fingerprintsProcess:Semi-aqueouswithhotairdryingandcleanroomfilterCleaningchemicals:elmaclean275d&sandelmaclean260d&sPeriphery:CleanwatercirculationequipmentThroughput:30batches/h

Modular Cleaning Lines / Sample Applications

Vertical rotation device

Transportrobotforthecleaningofverysmalloptics(microoptics)whichcannotbeplacedandfixedinacleaningbasket.

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Elmasonic X-tra line pro

for the cleaning ready for inspection

Individual solutions with Elma serial components,from manual up to fully automatic cleaning lines

• availablein5differentunitsizes:300,550,800(manualandautomatic),1200,1600(manual);(X-traLSMunitsforthepre-cleaningwithsolventscanbeintegrated)

•multi-frequencytechnology(25/45kHzor35/130kHz)• expandablebynumerousperipheralunitsandequipment(automaticloadingandunloadingbelt,dosingsystems,digitaltemperaturemonitoring,Lift-out,filter-pumpunit,oilseparator,etc.)

• flexiblestructuresandcleaningprocedurestoadjusttovariouscleaningtasks•wellprovenandreliablecomponents• graphiccontrolsystem(withautomatictransportrobot)• controlbyindustrialPC(optional)withvisualization• remotecontrolpossible• simplechangeofcontrollanguage• integratedoperatinginstructions• process-controlledproductiontoguaranteeaconstantproductionalquality(datalogger)• adjustmentofinvestmentcoststoshorterproductlifetimes• flexibleintegrationofthecleaninglineintoexistingproductionprocesses• shortdeliverytimesduetomodularsystem

Modular Cleaning Lines

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Elmasonic X-tra line precision for the cleaning ready for coatingMulti-frequency cleaning line for fine cleaning applications before inspection and coating in the optical industry

•3differenttanksizes:X-tralinepreci-sion300,550and800•multi-frequency technology: 25/45kHzor35/130kHz•the tanks have rounded corners,electro-polished surfaces and a spe-ciallydesignedpipingtooptimizethedrainingofliquidresiduesandtopre-vententrainment

Special Modular Ultrasonic Cleaning Lines

•special peripheral units for finestcleaningtasks – hotairdryerwithspecialparticle filter – IRdryer – casinginlaminarflowboxesfor cleaningundercleanroom conditions•manualorautomaticrobotsystems•individualcarriers•modular system, variable to fitchangedrequirements•operatingscreenwithvisualizationtocontrolandmonitortheprocess

•datalogger canbe integrated in IPCcontrol•barcodescannerfororderentry•remotemaintenanceofsoftwareviaVPNconnection•shortdeliverytimes•Plug&Cleantechnology

Safe, IR welded pipingOptional: infrared or hot air dryerTanks with rounded corners, electro-polished surfaces

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Dryer WLT, VTD,IRHot air dryer, vacuum dryer, infrared dryer

Oil separatorsÖA100 and ÖA200

•user-friendlyloadingfromthetop•digitaldisplayofsetandactual temperature•verysafeduetointegratedlimittem-peraturemonitor•casing and inner chamber made ofstainlesssteel•extremelyshortdryingperiod

Peripheral Bath Care Equipment / Special Units / Accessories

Elmapur

•bathcareforoilemulsions•prolongedservicelife•increasedcleaningpower•stable bath quality, therefore con-stantcleaningresults•lower consumption of fresh waterandenergy•lowconsumptionofchemicals•increasedbathcapacity

Water processing units for the creationofsoftenedtapwater,re-osmosiswaterorpurewaterforrecirculationsystemsinvarioussizesbetween100and2400l/h.

Water processing units

Elmasonic X-tra LSMfor the cleaning in flammable and aqueous liquids

• 2unitsizes:250and550•multi-frequencytechnology• integrated explosion protectionagainst the formingof an explosiveatmosphere(primaryexplosion

protection)• TÜV-certificationfortheuseof solvents• good for the use of solvents withflashpoint>55°C

• permanentoperationpossibleduetocoolingdeviceforaconstantoperat-ingtemperature

• Occupational exposure limits arekeptduetooptionalsuctiondevice

• unitscanbeintegratedintoexistingX-traLine

Pump-filterunitsforthecontinuedbathcareofcleaningandrinsingbaths.

Processingofsolventbyseparationofdirtparticles,e.g.fillers,pitches,protec-tivelacquers.

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All from one sourceFrom table-top unit to custom-made robot installation

Theproductprogrammerangingfromindividual units via modular add-oncleaning lines tocustom-madespecialindustrial cleaning installations pro-videstheperfectsolutionforeachfinecleaningproblematanexcellentpriceperformanceratio.

Elmahasitsownchemicallaboratorytotestandestablishhigh-qualitycleaningprocesses. The advantages: process,chemicals, units, cleaning technologyandservice–allfromonesourcemadebyElma.

Elmasonic SUltrasonic table-top units with state-of-the-art technology

Practical accessoriesElmasonic S 60 and S 60 H Elmasonic P table-top unit

Ultrasonic Serial Units

unit sizes from 0.8 to 90 litre

Theadvantagesataglance

• perfectqualityandlongservicelife• shortcleaningperiodduetostrongultrasonicpower•modernandfunctionaldesign• intensiveandgentlecleaningat37kHzwithElmaperformancetransducers• uniformcleaningduetoelectronicsoundfieldoscillation(Sweep)• quickdegassing(Degas/Autodegas)• electronictimeandtemperaturecontrol• temperature-controlledautorun• ceramicheatingelements,safetorundry• 13differentsizes–0.8to90litre–theperfectunitforeachcleaningjob• largerangeofspecialaccessories

Elmasonic PThe most professional way of using ultrasound

Digitaldisplay,self-explanatory,alldataclearlyarranged,setandactualvalueseasy tomonitor.Veryeasy tooperatewithallparametersataglance.

2frequencies(switchable)inoneunit:37kHz–fortheremovalofcoarsecon-tamination80kHz–silent,idealforquietworkar-eas,withprolongedprocesstime.

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Ultrasonic Technology

The Elma Kavimeter

Mobile system for the measuring ofthecavitation;forvalidationandqual-ity control of ultrasonic cleaning linesandunits

What the Kavimeter does

Measuring of the following ultrasonicparameters:frequency,soundpressureandsignalform;measuringandevalu-ation of the cavitation noise; calcula-tion of the cavitational intensity andthepowerdensityofultrasonicequip-mentincleaninglinesandunits

Applications

Measuringandsettingoftherequiredultrasonicparametersinprocesscham-bers;measuring and recordingof theultrasonic parameters for validationandqualitycontrolofcleaningsystemsinproductionprocesses

Thecleaningchemicalsareformulatedand produced individually for eachcleaning task, so quite often a newcleaningproblemleadstotheproduc-tionanddistributionofanewcleaningproduct.

Each year, Elmacarries out nu-merous clean-ing tests rangingfrom simple pro-cesses to highlycomplex cleaninga r rangements ,which providesolutionswithse-rialunitsorwhichgenerate newprocesses for the Elma cleaning lines.The cleaning problem is always thecoreissue,andtheElmacustomersap-preciatethecommitmentwithwhichitissolved.

Ultrasound reduces the cleaning period by up to 90%!

Ultrasound is thetermusedforvibra-tions thatcannotbeperceivedby thehumanear(>20kHz).Forcleaning,vi-brationsbetween20and130kHzareapplied.Transducerelementsmountedtothebottomofacleaningtanktrans-mithighand lowpressurewaves intothe liquid. At a certain level of vibra-tions the compound structure of theliquidtearsandvacuumbubblesofsiz-esinthenanorangearecreated.These

bubbles implodeclose to the sur-facesofimmersedcleaning itemsthereby direct-ing a pressure jettoward surfaces

of the cleaning items. This process iscalledcavitation. It removesdirtparti-cles bothgently and thoroughly fromallpartsthatarecompletelyimmersed,even from the tiniestgroovesorboreholes. In particular, cleaning items of

complicated geo-metric shape andhollow parts arecleaned, which iswhere cleaningjets or manual

cleaningmethodsfail.

Multi-frequency technology

The development of multi-frequencyunitsbyElmaisamasterpieceoftechni-cal engineering.Multi-frequency unitsare fittedwith a single transducer sys-temthatcanproducetwodifferentul-trasonic frequencies. So two differentmaterials can be cleaned in the samecleaning tank: sensitive surfaces canbe treated with high frequencies, androbustpieces canbecleanedwith lowfrequencies.

Only the right cleaning procedure yields a perfect result

Elmaresearchesanddevelopstheopti-mizedcleaningprocedureintheirownapplicationlaboratory.Eachnewclean-ingproblemisregardedasachallengewhich is generally addressed in coop-eration with thecustomer.

The technicalequipment pro-vided in theElmaapplication labo-ratory is of the highest standard andincludes the latest cleaning technolo-gies for ultrasonic, spray and steamjetcleaning,forrinsingandfordrying.Evencleanroomconditionscanbesim-

ulated.

Finding a solu-tion for a difficultcleaning problemsatisfies the cus-tomer and proves

the high quality of Elma technologyandElmaservicetohim.

Cleaning with ultrasound – today one of the best cleaning technologies: ecological, economical, intensive and gentle

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Cleaning Chemicals for Precision Optics

Cleaning concentrates for the aqueous cleaning of precision & infrared opticsOptical elements (frameless)

Kind of parts Preceding process step Contaminations supposed to be removed Cleaning agent Properties of application Concentration; pH-value

Elements from mineral glass*1) Cleaning ready for inspection

Glass types insensitive to alkaline media

Solvent-based removal of protective laquer, putty,

pitch & (if necessary) adhesive

Residues of colophonium-based protective laquer, putty & pitch, of grinding & polishing

suspension, fingerprints, dust

elma clean 275 dip&splash

(EC 275 d&s)

For ultrasonic dip- (1-2 vol%) and for splash-(0.5-1 vol%, >55°C)

cleaning, KOH-based,predominantly demulsifying

0.5 - 2 vol%; alkaline;

pH: 12 - 12,7

Glass types moderately sensitive to alkaline media



Traces of colophonium-based protective laquer & putty, of grinding & polishing



(EC 270 d&s)


cleaning, KOH-basedpredominantly demulsifying

0.5 - 2 vol%; mildly alkaline;

pH: 9 - 10

Also glass types very sensitive to alkaline media




suspension, lime soaps, fingerprints, dust


(EC 260 d&s)


cleaning, predominantly demulsifying

0.5 - 2 vol%;neutral, pH: 7 - 8

Glass types moderately sensitiveto alkaline media

Solvent-based removal of protective laquer,

putty, pitch, adhesive

Residues of grinding & polishing suspension, lime soaps, fingerprints, dust

elma clean 290 surfactant-free

(EC 290 tf)

For the surfactant-free dip- & splash-cleaning, demulsifying

0,5-2 vol%; alkaline; pH: ~11

Cleaning ready for coating

Glass types insensitive to alkaline media

Cleaning ready for inspection, inspection

Dirt after storage, fingerprints, dustelma clean 275

dip&splash (EC 275 d&s)

For ultrasonic dip- (~1 vol%) and for splash-(~0.5 vol%, >55°C)


0.5 - 1 vol%;alkaline;

pH: 12 - 12,4

Glass types moderately sensitiveto alkaline media


Dirt after storage, lime soaps (drying spots), fingerprints, dust


(EC 270 d&s)



0.5 - 1 vol%;mildly alkaline;

pH: 9 - 9,7

Also glass types very sensitive to alkaline media




(EC 260 d&s)


cleaning,predominantly demulsifying

0.5 - 1 vol%;neutral, pH: 7 - 8

*1) If a given mineral glass could be cleaned in aqueous media or not, depends on its chemical resistances to pure water (DI-water rinsing steps) and to the alkaline or acidic cleaning solutions. These are given e. g. by their Schott-indexes against acidic (SR, ISO 8424:1987) and alkaline (AR, ISO 10629: 1996) aqueous media and other indexes. Thus, e. g. a mineral glass with SR >~ 52 requires special measures for the rinsing with deionized water (temperatures < 20°C a. s. o.) or this glass can not be rinsed in deionized water at all. The coefficient of thermal expansion of the glass has to be considered for DT-jumps between processing steps.

Optical elements (frameless)

Kind of parts Preceding process step Contaminations supposed to be removed Cleaning agent Properties of application Concentration; pH-value

Elements of Infrared optics Cleaning ready for inspection

Ge, CaF2Solvent-based removal of

protective laquer, pitch & puttyResidues of grinding & polishing suspension,

storage dirt, fingerprints, dust


(EC 275 d&s)




pH: 12 - 12,7

Si*2), other glass types moderately sensitive to alkaline media

Solvent-based removal of protective laquer, pitch & putty




(EC 270 d&s)




pH: 9 - 10

Al*3), Cu/Ni*3), Ge, Si,ZnS (Cleartran), ZnSe, AMTIR, CaF2

Solvent-based removal of protective laquer, pitch & putty

Traces of colophonium-based protective laquer & putty; grinding & polishing

suspension, lime soaps, fingerprints, dust


(EC 260 d&s)



0.5 - 2 vol%;neutral, pH: 7 - 8

Cleaning ready for coating

Ge, CaF2Cleaning ready for inspection,

inspectionDirt after storage, fingerprints, dust


(EC 275 d&s)




pH: 12 - 12,4

Si*2), other glass types moderately sensitive to alkaline media


Fingerprints, dustelma clean 270

dip&splash (EC 270 d&s)




pH: 9 - 9,7

Al*3), Cu/Ni*3), Ge, Si, ZnS (Cleartran),ZnSe, AMTIR, CaF2




(EC 260 d&s)

For ultrasonic dip- (~1 vol%) and for splash-(~0.5 vol%, >55°C) cleaning,

predominantly demulsifying

0.5 - 1 vol%;neutral, pH: 7 - 8

*2) An alkaline cleaning of Si-elements includes etching. This should be restricted by limiting the dipping time to a thinning of the outermost SiO2-layer only.*3) Ultrasonic treatment of Aluminium-mirrors requires higher ultrasonic frequencies and restricted ultrasonic power. For Cu/Ni-mirrors this holds also, but to a lower extent.

Framed optics / optical assemblies

Kind of parts Preceding process step Contaminations supposed to be removed Cleaning agent Properties of applicationt Concentration; pH-value

Frames & elements from mineral glass*1) Cleaning ready for assembling

Frames & glass types insensitiveto alkaline media

Framing, preassembling with cleaned elements, sticking

Residues of adhesive (not cured),oil, grease, storage dirt, fingerprints, dust


(EC 275 d&s)




pH: 12 - 12,4.

Also glass types & frames sensitiveto alkaline media


Traces of adhesive (not cured),oil, grease, storage dirt, fingerprints, dust

elma clean 225sonic

(EC 225sonic)

For the ultrasonic dip-cleaning,emulsifying

2 - 10 vol%; mildly alkaline,

pH: 9-10.

Also glass types & frames sensitiveto alkaline media


Traces of adhesive (not cured),oil, grease, storage dirt, fingerprints, dust

elma clean 225spray

(EC 225spray)

For splash-cleaning (>55°C), emulsifying

1 - 3 vol%; mildly alkaline,

pH: 9-9.5.

Glass types & frames very sensitive to alkaline media


Traces of adhesive (not cured),lime soaps, fingerprints, dust


(EC 260 d&s)



0.5 - 1 vol%;neutral, pH: 7 - 8.

Glass types & frames insensitive to alkaline media


Lime soaps, fingerprints, dustelma clean 290 surfactant-free

(EC 290 tf)

For the surfactant-free dip- & splash-cleaning,

demulsifying

0,5 - 2 vol%; alkaline; pH: ~11.

ThenameElmastandsforqualityandknow-howinallsec-torswherecleaningprocessesandcleaningtechnologyarerequired–andithasdonesoformorethan50yearsnow.Thebasisof thecompany’ssuccess is theultrasonictech-nology.

TheElmaproduct range forultrasoniccleaning is the lar-gestworldwide,bothwithregardtoserialunitsandstan-dardizedorspecialcustomizedcleaninglines.Basedonitslong-termexperience, its innovativedevelopmentandthespecializedknow-how,Elmamanufacturesandsuppliestop

About Us

Ultrasonic Cleaning Technology · Appliances · Cleaning Media

oftherangetechnologyforallsortsofcleaningjobs.ThisiswhathasmadeElmafamousassupplierofsolutionstoallsortsofcleaningproblemsallovertheworld,evenforthemostcrucialcleaningtasks.But thehighquality standarddoesnot endwithdeveloping andmanufacturing equip-mentandappliances:aperfectserviceandround-the-clocktechnical support complete the excellent general picture.Elmaalsodevelopsandproducesanumberofspecializedequipmentforthewatchandjewellerybusinesssector.

ElmaHansSchmidbauerGmbH&Co.KGKolpingstr.1-7D-78224Singen

Tel.+49(0)7731/[email protected]

zurElmaWebseite

Subjecttotechnicalandvisualmodifications–Präzisions-undInfrarotoptik_D_05/2013

Yourcontact:

MichaelSchnauferOptics/MedicalTechnology+49(0)7731/[email protected]

Thecleaningchemicals,developedforvariouscleaningpurposesintheElmaapplicationlaboratory,areanim-portantpartoftheElmaproductrange.Today,Elmaemploysmore than200people; thecom-panyiscertifiedaccordingtoDINEN9001andfocusesonreliabilityandclosecooperationwiththecustomers.“MadebyElmaGermany”–that’stheunderlyingprinci-plewhichguaranteesmotiviation,precision,qualityandaconstantenthusiasmfornewdevelopments.

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