■ Tom qab lub sijhawm ntim cia ntawm cov khoom yuav tshiab tshaj 6 lub hlis, saib xyuas yuav tsum tau them rau lawv weldability ua ntej siv. Nws raug nquahu kom khaws cia rau hauv lub tshuab nqus tsev.
■ tho tawm ntawm lub qhov kub ntawm tus PCB thiab sau cov hlua.
■ Reflow Reflow yog qhov zoo dua rau hauv qab vuam, saib cov lus qhia mus rau refow vuam.
■ Ntxiv cov cua txias lossis dej txias yog tias tsim nyog.
Cov lus piav qhia:
■ NCHIB NESSION CESTELTELSTORS, RF deflors thiab RF cov ntaub ntawv muaj.