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Ibyiciro by'ibicuruzwa
Ibicuruzwa byihariye
01
Ikibaho Cyinshi Cyacapwe
Ikibaho Cyinshi Cyacapwe
Ikibaho Cyinshi Cyacapwe
Ikibaho Cyinshi Cyacapwe
Ikibaho Cyinshi Cyacapwe
Ikibaho Cyinshi Cyacapwe

Ikibaho Cyinshi Cyacapwe

Ikibaho kinini PCB yerekana ubwoko bwihariye bwumuzunguruko ufite amashanyarazi menshi ya electronique, ikoreshwa mumirima yumurongo mwinshi (inshuro zirenga 300MHz cyangwa uburebure bwumuraba uri munsi ya metero 1) na microwave (inshuro zirenze 3GHz cyangwa uburebure buri munsi ya metero 0.1) . Nibibaho byumuzunguruko bikozwe kuri microwave substrate yumuringa wambaye umuringa ukoresheje inzira zimwe zisanzwe zisanzwe zikora imashanyarazi cyangwa uburyo bwihariye bwo gutunganya.

    Twandikire
    ibicuruzwa birambuye

    Nibihe bikoresho bikoreshwa mugukora imbaho ​​nyinshi za PCB?

    Imikorere yibibaho byinshi mumashanyarazi cyangwa ibindi bidukikije byihuta biterwa nibikoresho byubaka. Kubisabwa byinshi, ikoreshwa ryibikoresho bya FR4 byanduye birashobora guteza imbere dielectric.

    Urwego DF rwibikoresho rusange rugena neza imikorere ya PCBs:

    DK.

    DF. ahanini bigira ingaruka kumiterere yo kohereza ibimenyetso. DF ntoya irashobora kugabanya gutakaza ibimenyetso.

    Coefficient yo kwagura ubushyuhe igomba kuba imwe na fayili yumuringa bishoboka, kuko itandukaniro rishobora gutuma ifu yumuringa itandukana mugihe cyubukonje nubushyuhe.

    Mu bidukikije bitose, kwinjiza amazi bigomba kuba bike, mugihe amazi menshi ashobora kugira ingaruka kuri DK na DF.

    Kurwanya ubushyuhe, kurwanya imiti, kurwanya ingaruka, no kurwanya ibishishwa bigomba kuba byiza. Coefficente yo kwagura ubushyuhe bwibibaho byumuzunguruko mwinshi bigomba kuba bingana na fayili yumuringa uko bishoboka kwose, kuko imbaho ​​zumuzunguruko mwinshi zishobora gutuma umuringa utandukana mugihe cyubukonje nubushyuhe. Kugirango umenye neza imikorere yumurongo wumurongo wumurongo wumurongo, birakenewe kumera nkumuringa wumuringa bishoboka. Umuvuduko mwinshi PCBs ufite ibiranga kurwanya ubushyuhe, kurwanya imiti yangirika, kurwanya ingaruka, no kurwanya ibishishwa byiza.

    Ni izihe nyungu z'ibibaho bya PCB byihuta cyane bikunzwe cyane?

    Gukora neza

    Muri rusange, gutakaza imikoreshereze yibibaho byumuzunguruko mwinshi biterwa na mato mato mato ya dielectric, biva mubikorwa byibikoresho bakoresha, bityo ibyo bakoresha mubisanzwe ni bito kurenza izindi mbaho ​​zumuzunguruko. Mubihe nkibi byiza byavutse, tekinoroji yo gushyushya induction kumwanya wambere witerambere ryikoranabuhanga irashobora kandi guhaza icyifuzo cyo gushyushya intego, bigatuma imikorere yibibaho byumuzunguruko mwinshi cyane. Birumvikana ko, mugihe ukurikirana imikorere, kurengera ibidukikije ntibishobora gutereranwa.

    Umuvuduko Wakazi

    Nkuko bizwi, umuvuduko woherejwe uhwanye na dielectric ihoraho. Ku bijyanye n’amahame y’amashanyarazi, umuvuduko wo kohereza uringaniza ugereranije nu mizi ya kare ya dielectric ihoraho, ni ukuvuga, uko dielectric ihoraho, niko umuvuduko wo kohereza utinda; Ntoya ya dielectric ihoraho, byihuse umuvuduko wo kohereza. Iyi nayo ni imwe mu mpamvu zituma PCB yumurongo wihuta ukundwa mubantu. Ikoresha ibikoresho byihariye kugirango irebe ibiranga uduce duto twa dielectric duhoraho, mugihe tunatanga umuvuduko wo kohereza no gukora neza ugereranije ninama yumuzunguruko.

    Guhuza n'imihindagurikire y'ikirere

    Ikoreshwa cyane mubibaho byumuzunguruko mwinshi muruganda rutandukanye bisaba gushyushya ibikoresho byuma neza. Mubikorwa bya tekiniki, ntishobora kugera gusa kubushyuhe bwibice byimbitse zitandukanye, ariko kandi yibanda no gushyushya ibintu biranga. Byaba hejuru cyangwa ubujyakuzimu, uburyo bwo gushyushya bushyizwe hamwe cyangwa butatanye burashobora kurangira byoroshye.

    Kwihanganirana gukomeye hamwe nubushobozi bwo kurwanya kwivanga

    Ibidukikije bigira ingaruka kumiterere yikigereranyo, bityo imbaho ​​zumuzunguruko mwinshi ziracyafite bimwe mubisabwa kubidukikije, cyane cyane mumajyepfo aho ikirere kiba cyinshi. Ikibaho kinini cyumuzunguruko gishobora guhuza neza nibidukikije. Ikibaho kinini cyumuzunguruko gikozwe mubikoresho bifite amazi make cyane birashobora kwangiza ibidukikije. Muri icyo gihe, nibyiza ko PCB yumuzunguruko wa PCB igira amahirwe yo kurwanya ruswa yangiza, kugirango ibashe kwihanganira ubushuhe nubushyuhe bwo hejuru mubidukikije, kandi bifite imbaraga zikomeye.