1. Surface of PCB: OSP, HASL, HASL bébas kalungguhan, Immersion Tin, ENIG, Immersion Silver, Plating emas teuas, Plating emas pikeun sakabéh dewan, ramo emas, ENEPIG... OSP: béaya rendah, solderability alus, kaayaan gudang kasar, waktos pondok, téhnologi lingkungan, las alus, lemes ... HASL: biasana éta mu ...
Maca deui