Thaum siv cov khoom siv solder, xyuam xim rau cov nyiaj siv, kev cia khoom, kev tiv thaiv kev poob siab thiab kev ya raws, thiab qhov loj me kom tsis txhob oxidation thiab solder bridging.
Standardized Siv thiab Kev Ua Haujlwm: Thaum siv cov pob solder, tsuas yog tshem tawm qhov tsim nyog ntawm ib lub sijhawm kom tsis txhob noj ntau dhau ib zaug, uas tuaj yeem ua rau oxidation thaum raug huab cua. Cov khoom siv uas siv cov khoom siv yuav tsum tau muab cais rau hauv cov thawv tshwj xeeb, thiab lawv qhov kev ntseeg siab yuav tsum raug txheeb xyuas ua ntej rov siv dua. Tsis txhob co los yog ua phem agitate lub solder balls thaum lub sij hawm ua hauj lwm kom tsis txhob muaj degradation zoo.
Kev sib txuam ntawm cov txheej txheem tsis zoo: Cov kab uas hla ntawm lub pob solder yuav tsum raug muab sib xyaw ua ke rau lub ncoo loj. Nws raug nquahu tias lub pob inch yog 60% -80% ntawm lub ncoo loj (piv txwv li, 0.15mm pad yog haum rau 0.10-0.12mm solder balls) kom tsis txhob siv cov hlua khi vim qhov loj me lossis cov pob qij txha txias vim qhov loj me. Nyob rau tib lub sij hawm, tus nqi ntawm cov flux thiab solder paste siv thaum lub sij hawm tso pob yuav tsum tsis txhob ntau dhau los yog tsawg dhau los tiv thaiv cov teeb meem soldering.
Kev Tswj Xyuas Ib puag ncig nruj me ntsis: Cov khoom siv hlau yuav tsum tau muab cia rau hauv ib puag ncig nrog qhov kub ntawm 25 ± 10℃thiab qhov txheeb ze av noo qis dua 60% RH. Lub neej txee feem ntau yog 12 lub hlis. Cov lus pom zoo khaws cia nruj dua yog 18 ~ 28℃thiab 10% ~ 65% av noo, thiab deb ntawm cov roj oxidizing muaj zog. Cov pob uas tsis siv cov khoom siv yuav tsum tau khaws cia rau hauv lawv cov ntim khoom qub, nrog ob lub hau sab hauv thiab sab nraud kaw kom nruj kom tsis txhob muaj cua nkag thiab oxidation.
Tiv Thaiv Sab Nraud Factors: Lub chaw cia khoom yuav tsum tsis txhob muaj kev vibration, noo noo, thiab ncaj qha tshav ntuj, vim tias cov khoom no tuaj yeem ua rau lub pob solder ua haujlwm. Qhov zoo tshaj plaws, qhov kub thiab av noo ntawm kev siv ib puag ncig yuav tsum ua raws li kev cia khoom kom txo tau qhov cuam tshuam ntawm kev hloov pauv ib puag ncig.
