PCB boto electroplating ke ho fumana khauta ka electrolysis, ‘me phokotso ea lik’hemik’hale ke ho fumana khauta ka karabelo ea phokotso ea lik’hemik’hale. Ka mantsoe a bonolo feela, khauta ea PCB ea electroplating, joalo ka lisebelisoa tse ling tsa PCB, e hloka matla le se lokisa. Ho na le mefuta e mengata ea lits’ebetso, tse kenyelletsang li-cyanide-containing, li-non-cyanide system, le li-non-cyanide, joalo ka mofuta oa citric acid le mofuta oa sulfite. Litsamaiso tsohle tseo e seng tsa cyanide li sebelisoa indastering ea PCB.

Khauta ea lik’hemik’hale (khauta e se nang motlakase) ha e hloke ho matlafatsoa, ​​​​e kenya khauta holim’a boto ka karabelo ea lik’hemik’hale ka tharollo.

Ba na le melemo le mathata a bona. Ntle le matla a ho sebetsa empa e se matla, boto ea PCB e ka etsoa e teteaneng haholo, ha feela nako e ntse e atolosoa, e loketse liboto tsa bonding. Monyetla oa hore PCB e etse potion ea electro-gold e lahliloe o monyane ho feta oa khauta ea lik’hemik’hale. Leha ho le joalo, khauta ea motlakase ea PCB e hloka ho hokahanngoa le boto kaofela, ‘me ha e tšoanelehe bakeng sa mela e tšesaane haholo-holo.

Khauta ea lik’hemik’hale hangata e tšesaane haholo (ka tlase ho 0.2 microns), ‘me bohloeki ba khauta bo tlase. Mokelikeli o sebetsang o ka lahloa feela ha o sebelisoa ho isa bohōleng bo itseng.

E ‘ngoe ke PCB electroplating ho etsa khauta ea nickel

E ‘ngoe ke ts’ebeliso ea sodium hypophosphite’s “oxidation-foduction reaction” ho etsa lesela la nickel, le karabelo ea sebaka sa ho etsa lesela la khauta (Uemura’s (TSB71 e nang le khauta e inyenyefatsang)), e leng mokhoa oa lik’hemik’hale.

Ivy: Ntle le liphapang tsa ts’ebetso lipakeng tsa PCB electroplating le khauta e qoelisoang, ho na le liphapang tse latelang:

PCB electroplating khauta layer ke e motenya le ho feta, kahoo hangata e sebelisoa bakeng sa ho plug hangata le ho kenya likarolo tse thellang, joalo ka menoana ea khauta ea likarete tsa switch;

Khauta e qoelisoang e ntle bakeng sa ho hlongoa ka lebaka la bokaholimo bo bataletseng ba pad mme e boetse e sebelisoa bakeng sa solder e se nang loto.