Pa PCB, faifi tambala amagwiritsidwa ntchito ngati zokutira gawo lapansi la zitsulo zamtengo wapatali komanso zoyambira. Panthawi imodzimodziyo, pamatabwa ena osindikizidwa a mbali imodzi, nickel amagwiritsidwanso ntchito ngati pamwamba. Kenako, ndigawana nanu zigawo za PCB nickel plating solution

1. Mchere waukulu: nickel sulfamate ndi nickel sulfate ndi mchere waukulu kwambiri nickel solution, yomwe makamaka imapereka ayoni zitsulo za nickel omwe amafunikira pakuyika kwa faifi tambala komanso amatenga gawo la mchere wowongolera. Ndi mchere wambiri wa nickel, kachulukidwe kakakulu ka cathode angagwiritsidwe ntchito, ndipo liwiro loyika limakhala lachangu. Amagwiritsidwa ntchito kwambiri popanga nickel plating yothamanga kwambiri. Mchere wochepa wa nickel umapangitsa kuti pakhale kutsika kochepa, koma kuthekera kwa kubalalitsidwa ndikwabwino kwambiri, ndipo zokutira zabwino komanso zowala za crystalline zitha kupezeka.

2. Buffer: asidi wa boric amagwiritsidwa ntchito ngati chotchingira kusunga pH mtengo wa nickel plating solution mkati mwamitundu ina. Boric asidi osati ntchito ya pH chotchinga, komanso akhoza kusintha cathodic polarization, kuti patsogolo ntchito kusamba.

3. Anode activator: nickel anode ndiyosavuta kuyimitsa panthawi yamagetsi. Kuti muwonetsetse kusungunuka kwabwino kwa anode, kuchuluka kwa anode activator kumawonjezeredwa ku yankho la plating.

4. Zowonjezera: chigawo chachikulu cha zowonjezera ndi wothandizira kupsinjika maganizo. Zomwe zimagwiritsidwa ntchito nthawi zambiri ndi naphthalene sulfonic acid, p-toluenesulfonamide, saccharin, etc.

5. Kunyowetsa wothandizila: Pofuna kuchepetsa kapena kuteteza m’badwo wa pinholes, pang’ono wetting wothandizila ayenera kuwonjezeredwa plating njira, monga sodium dodecyl sulfate, sodium diethylhexyl sulfate, sodium octyl sulfate, etc.