8 rukoko impedance ENIG pcb 6351

Mushure mokunge pcbb yakaitwa muhafu yegomba, iyo tini yakatetepa inoiswa kumucheto kwegomba neelectroplating. Iyo tini tara inoshandiswa seye dziviriro yekudzivirira kusimudzira kusvimha kwemisodzi uye kudzivirira zvachose rukoko rwemhangura kudonha kubva pamadziro egomba. Naizvozvo, kusachena chizvarwa mukugadzirwa kwemaitiro akadhindwa wedunhu bhodhi kwaderedzwa, uye iro basa rekuchenesa rinoderedzwawo, kuti uvandudze mhando yePCB yapera.

Mushure mekugadzirwa kweyakajairika hafu-gomba pcb yapera, pachave nemachipisi emhangura pamativi ese ehafu-gomba, uye machipisi emhangura achabatanidzwa mukati memukati mehafu yehafu. Hafu gomba rinoshandiswa seMwana pcb, iro basa rehafu gomba riri kuita PCBA, ichatora hafu yemwana wePcb, nekupa hafu yegomba kuzadza tini kuita hafu tenzi ndiro yakasungirirwa pane chikuru bhodhi , uye hafu yegomba ine tsvina yemhangura, inokanganisa zvakananga tini, inokanganisa kumwaya kwakasimba kwetaiti pane iro raamai bhodhi, uye zvinokanganisa kutaridzika uye mashandisiro emuchina wese kuita.

Iko pamusoro pehafu yegomba kunopihwa nesimbi simbi, uye mharadzano yehafu yegomba uye kumucheto kwemuviri zvinopihwa gap, uye pamusoro pegapuru iri ndege kana pamusoro pegap iri kusanganiswa kwendege uye nepamusoro pechiso. Nekuwedzera mukaha pamipendero miviri yehafu gomba, machipisi emhangura pamharadzano yehafu gomba uye pamucheto wemuviri anobviswa kuti aite pcb yakanyorovera, achinyatso kudzivirira iwo machipisi emhangura anoramba ari muhafu yegomba, achiona mhando yeiyo Pcb, pamwe nekutendeseka kwekutendeseka uye kutaridzika kwePCB mukuita kwePCBA, uye kuona kushanda kwemuchina wese mushure megungano rinotevera.