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Electronic parts on PCB generally contain lead and other sulfides. In the past decades, many manufacturers have said that they will not use electronic components containing lead, but it is not credible and possible. Lead is an important material in electronic components. It is practical to reduce lead but impossible to eliminate it.
consulte Mais informação: Proteção Ambiental
#PCB Design #PCB Material
I know the paste mask layer is also called the stencil layer. It’s only used for assembly. I want to know if the paste mask layer (camada superior e inferior) is necessary for through hole components. For SMD components I know the paste mask layer is required to solder the components. Is it necessary for through hole components?
Encomendei PCBA para dispositivo IoT e recebi o produto de hardware com boa qualidade. Contudo, há um processo que eu ignorei antes – desenvolvimento de firmware baseado no hardware. Como devo seguir em frente?
Semana passada, I visit a PCBA manufacturer for our new project. They not only introduce in-circuit tester but also flying probe tester, which can both ensure the quality level. assim, Why does the manufacturer use a flying probe tester when they already have an in-circuit tester?
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