4 cov ntsiab lus uas yuav tsum tau them sai sai rau thaum soldering SMD LED teeb hlaws
1. huv
Tsis txhob siv cov kua tshuaj tsis paub meej los ntxuav SMDLEDs: Cov kua tshuaj tsis paub txog yuav ua rau SMDLEDs puas tsuaj. Thaum ntxuav yog tsim nyog, muab tso rau hauv SMDLED hauv cawv tsawg dua 1 feeb ntawm chav tsev kub thiab cia nws qhuav rau 15 feeb ua ntej pib siv.
2. Anti-moisture
Kev ntim khoom txhawm rau tiv thaiv cov khoom los ntawm absorbing noo noo thaum lub sij hawm thauj mus los thiab cia, ntim ntawm SMDLED yog ntim rau hauv ib lub hnab ntim khoom uas muaj noo noo-pov thawj, thiab lub hnab ntim khoom muaj ib daim ntawv desiccant thiab humidity card. Lub desiccant feem ntau tswj cov av noo hauv lub hnab ntim khoom, thiab daim npav humidity feem ntau yog siv. Saib xyuas cov av noo hauv lub hnab ntim khoom.
3. Cia
a) Tom qab lub hnab ntim tau kaw lawm, nws tau muab cia rau hauv qhov xwm txheej uas qhov kub thiab txias<40℃, the="" humidity="" is=""><90%rh, and="" the="" storage="" period="" is="" 12="" months.="" when="" the="" shelf="" life="" is="" exceeded,="" it="" needs="" to="" be="">
b) Ua ntej qhib lub pob, thov xyuas lub hnab ntim rau cov pa tawm. Yog tias muaj cua nkag, thov rov ua dua ua ntej siv nws;
c) Tom qab qhib, thov siv nws raws li hauv qab no: kub<30℃, humidity="" below="" 60%rh;="" if="" the="" use="" time="" exceeds="" 24="" hours,="" the="" following="" baking="" treatment="" must="" be="" done="" before="">
d) Ci tej yam kev mob: qhov kub ntawm cov khoom nyob rau hauv qhov cub yog 70 degree ± 5 degree; txheeb ze humidity Tsawg dua los yog sib npaug li 10 feem pua RH, sij hawm: 24 teev;
e) Tshem cov khoom tawm ntawm lub hnab thiab ci. Tsis txhob qhib lub qhov cub thaum lub sij hawm ci.
4. Vuam
a) soldering hlau siv yuav tsum tsawg dua 25W, qhov kub ntawm cov hlau soldering yuav tsum tau khaws cia qis dua 315 degree, thiab lub sij hawm soldering yuav tsum tsis pub tshaj 2 vib nas this;
b) Cov hlau tsis tuaj yeem kov cov epoxy resin ib feem;
c) Tom qab soldering, cia nws txias mus rau qhov kub qis dua 40 degree ua ntej packing.
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