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Nqa Resist Ntawm Ib Daim Ntawv Luam Circuit Court Hauv Cov Dav Hlau

Jul 13, 2020

Nqa Resist ntawm Daim Ntawv Luam Circuit Circuit Board hauv Wave soldering


Hauv qab daim duab qhia pom piv txwv pom tseeb heev ntawm tiv taus tawm los ntawm pawg thawj coj saib tom qab soldering. Ib qho yooj yim yooj yim qhov no yog vim qhov tseeb tsis muaj tseeb ntawm cov ntawv luam. Tin / lead yuav tsum tsis txhob siv thaum thev taus ntawm cov thawj kws tshaj lij. Raws li cov tin / txhuas txav mus rau hauv theem ua kua nws nthuav tawm thiab tej zaum yuav ua rau poob ntawm kev nplaum ntawm cov kav dej thiab cov tawm tsam. Yog tias qhov tawm tsam yog tawg lossis nyias nws yuav cais raws li pom hauv daim duab 1. Nws yog siv tau tin / lead yog tias cov tuab ntawm txheej tsis tsawg dua li 3-5µm li yuav muaj kev txav me heev thaum nthwv dej lossis reflow soldering.


Figure 1: The resist lifting here is due to incorrect specification of the PCB
Daim duab 1: Qhov tsis kam tiv taus ntawm no yog vim muaj cov lus tsis tseeb ntawm PCB.


Kab lus thiab cov duab hauv Is Taws Nem, yog muaj ib qho dab tsi thov hu rau peb kom tshem tawm.


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