Na PCBA nhazi na mmepụta, e nwere ọtụtụ ihe na-emetụta àgwà nke SMT ịgbado ọkụ, dị ka PCB, electronic components, ma ọ bụ solder mado, ngwá na nsogbu ndị ọzọ na ebe ọ bụla ga-emetụta àgwà nke SMT ịgbado ọkụ, mgbe ahụ PCB elu ọgwụgwọ usoro ga- nwere mmetụta dị na àgwà nke ịgbado ọkụ SMT?

PCB elu ọgwụgwọ usoro tumadi na-agụnye OSP, electric gold plating, ịgba tin / itinye tin, gold / ọlaọcha, wdg, kpọmkwem oke nke usoro kwesịrị kpebisiri ike dị ka n'ezie ngwaahịa mkpa, PCB elu ọgwụgwọ bụ ihe dị mkpa usoro nzọụkwụ. na PCB n'ichepụta usoro, tumadi na-amụba ịgbado ọkụ ntụkwasị obi na mgbochi corrosion na mgbochi oxidation ọrụ, otú, PCB elu ọgwụgwọ usoro bụkwa isi ihe na-emetụta àgwà ịgbado ọkụ!

Ọ bụrụ na e nwere nsogbu na PCB n'elu ọgwụgwọ usoro, mgbe ahụ, ọ ga-akpa na-eduga oxidation ma ọ bụ mmetọ nke solder nkwonkwo, nke kpọmkwem na-emetụta ntụkwasị obi nke ịgbado ọkụ, na-akpata na-adịghị mma ịgbado ọkụ, sochiri PCB n'elu ọgwụgwọ usoro ga-emetụtakwa. na n'ibu Njirimara nke solder nkwonkwo, dị ka n'elu hardness bụ oke elu, ọ ga-adị mfe na-eduga solder nkwonkwo ịda oyi ma ọ bụ solder nkwonkwo cracking.