Kubera iki icyapa cyumuzunguruko ukeneye kugenzura inzitizi?
Mumurongo wogukwirakwiza kumurongo wigikoresho cya elegitoronike, guhangana byahuye nigihe ibimenyetso byumuvuduko mwinshi cyangwa amashanyarazi akwirakwiza byitwa impedance.Ni ukubera iki ikibaho cya PCB kigomba kubangamirwa mugihe cyo gukora uruganda rwumuzunguruko?Reka dusesengure ku mpamvu 4 zikurikira:
1. The Ikibaho cyumuzunguruko wa PCB y'uruganda rwumuzunguruko rugomba gutekereza gucomeka no gushiraho ibikoresho bya elegitoronike, hanyuma nyuma ya SMT patch ihuza nayo igomba gusuzuma ibibazo nkimikorere nogukwirakwiza ibimenyetso, bityo rero impedance ikagabanuka, nibyiza.
2. Ikibaho cyumuzunguruko wa PCB gihita kurohama umuringa, amabati ya electroplating (cyangwa plaque chimique, tin spray spray tin), kugurisha umuhuza nibindi bikorwa mugihe cyo gukora.Ibikoresho byakoreshejwe bigomba gusaba kutarwanya imbaraga kugirango hamenyekane agaciro rusange k’inzitizi yumuzunguruko Igikorwa gisanzwe gishobora kugerwaho gusa mugihe ibicuruzwa byujuje ubuziranenge byujujwe.
3. Amabati yamabati yumuzunguruko wa pcb niyo akunze guhura nibibazo mugukora ikibaho cyose cyumuzunguruko, kandi niwo murongo wingenzi ugira ingaruka kuri impedance;inenge nini cyane ni okiside yoroshye cyangwa deliquescence, kugurishwa nabi, bigatuma ikibaho cyumuzunguruko bigora kubagurisha no kubangamira bikabije.Hejuru, bivamo imyitwarire idahwitse cyangwa ihungabana ryimikorere rusange yubuyobozi.
4. Abayobora mu kibaho cyumuzunguruko wa PCB cyuruganda rwumuzunguruko bazatanga ibimenyetso bitandukanye.Umuzunguruko ubwawo uzahindura agaciro ka impedance bitewe na etching, uburebure bwa stack, ubugari bwinsinga nibindi bintu, bizatuma ibimenyetso bigoreka kandi biganisha ku kibaho cyumuzunguruko.Imikorere iragabanuka, ugomba rero kugenzura agaciro ka impedance murwego runaka
NYAKURI: Ikibaho cya Aluminium , LED Itara rya PCB , MCPCB
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