Page 69 - LiteOn_Cover01
P. 69







FordHotdBar
Step 1 > Dispense Thermal Conductive Agent and Solder Flux
UsedsolderdfuxdfordgooddheatdtransferdduringdsolderingdofdthedLightingdLEDdterminalsdtodreducedrequireddsolderingd
time.dNotedthatdthedspreaddofdfuxdcompounddshoulddbedrestricteddtodthedsolderdpaddareas.dYoudmaydwantdtodopti-
mizedyourdsolderingdprocessdbydadjustingdthedamountdofdfux.

Step 2 > Placement of Lighting LED
Itdisdrecommendeddtodusedautomateddpick-and-placedequipmentdtodplacedLightingdLEDdontodMCPCB.dThedpick-and-
placedmechanismdshalldnotdtouchdthedlensdordthedleadsdofdLightingdLED.

Step 3 > Soldering the Electrical Leads by Hot bar Soldering
Thisdprocessdwilldhelpdtransferdheatdonlydondtodthedleadsdanddsolderdpaddareasdanddthereforedavoidddamagingdemitterd
body.dTodtransferdsu cientdheatdfromdhotdbarsdtoddevice-leads,ditdisdstronglydrecommendeddthatdthedfollowingdpro-
cessdparametersdmustdbedconsidered:d1)dAmountdofdfuxddispenseddontodsolderdpads,d2)dPressingdforcedofdhotdbardtips,d
anddd3)dHotdbardtemperature.


Step 4 > Curing for Thermal Conductive Agent
Pleasedfollowdthedcuringdinstructionsdsetdforthdbydmanufacturersdfordthedchosendthermaldconductivedagent.










Pick & Place Nozzle




LTPL Emitter
Thermal Conductine Agent LightingdLED
Flux
MCPCB
1 2






Curing Oven
Hotbar








4 3



FordManualdSolderingdIron
Whendmanualdhanddsolderingdisdconcerned,ditdisdrecommendeddtodhanddsolderdthedleadsdwithdadsolder-tipdtempera-
turedofd290@Cdfordlessdthand3dsecondsdanddatdleastd2dsecondsdordmoredintervalsdduringdeachdsolder.dFurthermore,d
avoidddamagingdthedemitterdordthedepoxydlayerdondMCPCB.





Lighting LED > Application Notes




067 d2013dCatalogd|dwww.liteon.com/opto
   64   65   66   67   68   69   70   71   72   73   74