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12 Igice cya FR4 ENIG Igenzura ryihuta PCB

12 Igice cya FR4 ENIG Igenzura ryihuta PCB

Ibisobanuro bigufi:

Imirongo: 12
Kurangiza hejuru: ENIG
Ibikoresho shingiro: FR4
Igice cyo hanze W / S: 5 / 4mil
Igice cy'imbere W / S: 4 / 5mil
Umubyimba: 3.0mm
Min.umwobo wa diameter: 0.3mm
Inzira idasanzwe: 5 / 5mil umurongo wo kugenzura inzitizi


Ibicuruzwa birambuye

Kuki ikibaho cya PCB gikeneye impedance?

1. Ikibaho cyumuzunguruko wa PCBkugirango dusuzume kwinjiza no gushiraho ibikoresho bya elegitoronike, nyuma ya SMT patch yinjizamo nayo igomba gutekereza ku mikorere nogukwirakwiza ibimenyetso nibindi bibazo, bityo bizasaba impedance nkibishoboka.

2. Ikibaho cyumuzunguruko wa PCB mugikorwa cyo kubyaza umusaruro umuringa, gusiga amabati (cyangwa isahani idafite amashanyarazi, amabati ashyushye ya spray), kugurisha nibindi bikorwa, ibikoresho byakoreshejwe bigomba gusaba imbaraga nke, kugirango hamenyekane agaciro rusange k’ibicuruzwa by’umuzunguruko kugeza kuzuza ibicuruzwa byiza bisabwa, kugirango ukore bisanzwe.

3. PCB yumuzunguruko wamabati yamabati niyo akunze guhura nibibazo mubikorwa byose byumuzunguruko, niwo murongo wingenzi ugira ingaruka;inenge nini cyane ni okiside yoroshye cyangwa deliquescence, kurigata nabi, kuburyo ikibaho cyumuzunguruko bigoye kugurisha, impedance ni ndende cyane, bikavamo imikorere mibi cyangwa imikorere idahwitse yubuyobozi bwose.

4. Kiyobora mu kibaho cyumuzunguruko wa PCB izaba ifite ibimenyetso bitandukanye byohereza ibimenyetso, umurongo ubwawo bitewe no gutobora, uburebure bwa laminate, ubugari bwinsinga nibindi bintu, bizatera impinduka zagaciro, gukora ibimenyetso bigoreka, biganisha kumikorere ikibaho cyumuzunguruko kigabanuka, birakenewe rero kugenzura agaciro impedance murwego runaka.


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