Alpha锡膏OM340EN规格书英文版Word文档格式.docx
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Alpha锡膏OM340EN规格书英文版Word文档格式.docx
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InnoLot(90.95%Sn/3.8%Ag/0.7%Cu/1.4%Sb/0.15%Ni/3%Bi)
Forotheralloys,pleasecontactyourlocalCooksonElectronicsSalesOffice.Type3(25-45μmperIPCJ-STD-005)Type4(20-38μmperIPCJ-STD-005)
Type4.5(ProprietaryPowderSizeDistribution)CavailableuponrequestType5(15-25μmperIPCJ-STD-005)CavailableuponrequestApproximately5%by(w/w)ComplieswithRoHSDirective2022年/95/EC.
Formulatedforbothstandardandfinepitchstencilprinting,atprintspeedsofbetween25mm/sec(1”/sec)and150mm/sec(6”/sec),withstencilthicknessof100μm(4mil)to150μm(6mil),particularlywhenusedwithALPHAStencils.Bladepressuresshouldbe0.18-0.27kg/cmofblade(1.0-1.5Ibs/inch),dependingupontheprintspeed.Thehighertheprintspeedemployed,thehigherthebladepressurethatisrequired.Thereflowprocesswindowwillgivehighsolderingyieldwithgoodcosmeticsandminimizedrework.
__STATUS
ALPHAOM-340isaZeroHalogenproductandpassesthestandardslistedintheTablebelow:
HalogenStandards
Standard
JEITAET-7304
DefinitionofHalogenFreeSolderingMaterialsIEC__-2-21
JEDEC
AGuidelineforDefining“LowHalogen"
Electronics
Requirement
1000ppmBr,Cl,FinsoldermaterialsolidsPostSolderingResiduescontain
900ppmeachortotalof1500ppmBrorClfromflameretardantsource
Postsolderingresiduescontain
1000ppmBrorClfromflameretardantsource
TestMethodStatus
Pass
TMEN__
ZeroHalogen:
Nohalogenatedcompoundshavebeenintentionallyaddedtothisproduct
SAFETY
WhiletheALPHAOM-340fluxsystemisnotconsideredtoxic,itsuseintypicalreflowwillgenerateasmallamountofreactionanddecompositionvapors.Thesevaporsshouldbeadequatelyexhaustedfromtheworkarea.ConsultthemostrecentMSDS(availableat)foradditionalsafetyinformation.
__
__RES/__
ALPHAOM-340TechnicalData
__Y
__L__IES
ActivityLevelHalideContentHalogenContentCopperMirror
CopperCorrosionTest__
__CAL__IESSIR
(IPC7days@85°
C/85%RH)SIR
(Bellcore96hours@35°
C/85%RH)Electromigration
ROL0IPCJ-STD-004Halidefree(bytitration).PassesAgIPCJ-STD-004ChromateTest
Pass,ZeroHalogen-NohalogenEN__,byoxygenbombcombustion,intentionallyaddedNon-detectable(ND)at50ppmPassIPCJ-STD-004
PassPass,8.6x109ohmsPass,2.1x1011ohmsPass,Initial=3.9x10ohms
Clear,ColorlessFluxResidue
(Bellcore96hours@65°
C/85%RH10V500hours)
__L__IES(Using88.0%Metal,IPCType3Powder,unlessotherwisenoted)Color
TackForcevs.Humidity
(t=8hours)
Final=1.9x109ohms
IPCJ-STD-004
8
(Pass≥1x10ohm)BellcoreGR78-CORE
11
(Pass≥1x10ohm)BellcoreGR78-CORE(Pass=finalinitial/10)
Pass,Changeof1g/mm2over24hours
at25%and75%RelativeHumidity
IPCJ-STD-005TM-6502.4.44JISZ3284Annex9
Pass,Changeof10%whenstoredat
25±
2Cand50±
10%relativehumidity.Type3powder,88.0%metalloaddesignatedM16forprinting
Viscosity(Typical)1600poiseat10RPMMalcom
Type4powder,88.3%metalloaddesignatedM18forprinting
Viscosity(Typical)1800poiseat10RPMMalcom
Type4powder,84%metalload,designatedM06fordispensing
Type4powder,85%metalload,designatedM08fordispensing
Type5powder,88.3%metalloaddesignatedM19forprinting
Type5powder,78%metalload,designatedM04fordispensing
Type6powder,78%metalload,designatedM04fordispensing
o
ViscosityMalcomSpiralViscometer;
J-STD-005
SolderballStencilLifeSpread
Acceptable(SAC305andSAC405alloys)Pass,ClassI-1hourand72hour
8hours
IPCJ-STD-005
DINStandard32513,4.4
@50%RH,25C(74°
F)JIS-Z-3197:
19998.3.1.1IPCJ-STD-005(10min150C)TM-6502.4.35
JIS-Z-3284-1994Annex7
PassPass
Slump
Nobridging0.2mmgapaboveNobridging0.3mmgapabove
JIS-Z-3284-1994Annex8
ALPHAOM-340ProcessingGuidelines
__and__G
Refrigeratetoguaranteestability@0-10°
C(32-50°
F)
__G
RecommendCookson
ElectronicsALPHACUT,
ALPHANICKEL-CUT,ALPHA
__ND,or__RMstencils@0.100mm-0.150mm(4-6mil)thickfor0.4-0.5mm(0.016”or0.020”)pitch.Stencildesignissubjecttomanyprocessvariables.ContactyourlocalCooksonElectronicsstencilsiteforadvice.
Metal(recommended)
PASTEROLL:
1.5-2.0cm
diameterandmakeadditionswhenrollreaches1-cm(0.4”)diameter(min).Maxrollsizewilldependuponblade
__E:
0.45to0.7kg/inch25to150mmpersecond(1to6inchespersecond).:
3-10mm/sec.
PRINTPUMPHEAD:
PassesDEKProFlowcompatibilitytest
REFLOW(SeeFigure1)
Clean-dryairornitrogenatmosphere.
Acceptablereflow/coalescenceforfeaturesizedownto8mil(200μm).IPCClassIII
voidingobtainedforbothstraightrampandsoakprofiles.
ALPHAOM-340residueis
designedtoremainontheboardafterreflow.
Ifreflowedresiduecleaningisrequired,thefollowingaqueouscleanersarerecommended:
In-lineorBatchCleaners-ALPHABC-2200-ZestronVigonA201-ZestronVigonA250-ZestronVigonUS
Manualorsolventcleaning:
-ALPHASM-110andSM-110E-BioactTMSC-10andSC-10E
Misprintsandstencilcleaningmaybedonewiththefollowingcleaners:
ALPHASM-110EALPHASM-440
ZestronVigonSC200
TM
BioactSC-10E
Shelflifeofrefrigeratedpasteis6months.
Pastecanbestoredfor2weeksatroom
temperaturesupto25C(77°
F)priortouse.
Whenrefrigerated,warm-upofpastecontainertoroomtemperatureforupto4hours.Pastemustbe
oo
≥19C(66F)beforeprocessing.Verifypaste
temperaturewithathermometertoensurepasteis
at19C(66F)orgreaterbeforesetup.Printingcan
beperformedattemperaturesupto32C(89F).
Pastecanbemanuallystirredbeforeuse.Arotating,centrifugalforcemixingoperationisnotrequired.Ifarotating/centrifugalforcemixingisused,30-60secondsat300RPMisadequate.
Donotremoveworkedpastefromstencilandmixwithunusedpasteinjar.Thiswillalterrheologyofunusedpaste.
Thesearestartingrecommendationsandall
processsettingsshouldbereviewedindependently.
Note1:
Refertocomponentandboardsupplierdataforthermalpropertiesatelevatedtemperatures.LowerpeaktemperaturesrequirelongerTALforimprovedjointcosmetics.Keepingthepeak
temperaturebelow240°
Cwilllowertheamountofvoiding.
Figure1:
ALPHAOM-340SAC305TypicalReflowProfile
ParameterAtmosphereSAC305,SAC405,SACXPlus0807SACXPlus0307SettingZone*o40°
Cto225C170°
Cto225°
C120°
CTAL(217-225°
C)Peaktemperature
ALPHAOM-340-GeneralReflowProfileGuidelinesGuidelineAdditionalInformationAirorN2217-225°
CMeltingRange217-227°
CMeltingRangeOptimalDwellPeriodExtendedwindow2:
30to4:
30min.5:
00min.0:
30to2:
00min2:
30min.1:
25to3:
00min.3:
30min.45-90sec.NotRecommendedCompatiblewithmostcommonsurfacefinishes.(EntekHT,EntekOM,AlphaStar,ENIG,SACX235-245°
CHASL)1-6°
C/secondRecommendedtopreventsurfacecrackingissues.
Jointcooldownratefrom170°
C
*AboverecommendationsareforSAC305.Foralternativealloys,pleasefollowtheliquidustemperatureoftherespectivealloy.
109CorporateBlvd.,SouthPlainfield,NJ07080,1-800-367-5460,
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