Muri iyi nyandiko ya blog, tuzaganira kubintu byibanze tugomba gusuzuma muguhitamo ubugari bwumurongo hamwe nibisobanuro byumwanya wa PCBs 2.
Mugihe cyo gushushanya no gukora imbaho zicapye zumuzingo (PCBs), kimwe mubyingenzi byingenzi ni uguhitamo ubugari bwumurongo hamwe nibisobanuro byihariye. Ibi bisobanuro bifite ingaruka zikomeye kumikorere ya PCB, kwizerwa, no mumikorere.
Mbere yuko tujya muburyo burambuye, ni ngombwa kugira gusobanukirwa neza icyo ubugari bwumurongo hamwe nintera bivuze. Linewidth bivuga ubugari cyangwa ubunini bwumuringa wumuringa cyangwa kiyobora kuri PCB. Kandi intera bivuga intera iri hagati yibi bisobanuro. Ibipimo mubisanzwe bisobanurwa muri mil cyangwa milimetero.
Ikintu cya mbere ugomba gusuzuma muguhitamo ubugari bwumurongo nuburinganire bwumwanya ni amashanyarazi ya PCB. Ubugari bwibisobanuro bigira ingaruka kumuzunguruko wogutwara ubushobozi hamwe na impedance. Inzira ndende irashobora gutwara imitwaro ihanitse idateye igihombo kirenze urugero. Byongeye kandi, intera iri hagati yinzira igira ingaruka kubishobora kwambukiranya umuhanda no guhuza amashanyarazi (EMI) hagati yinzira zegeranye cyangwa ibice. Reba urwego rw'umuzunguruko w'umuzunguruko, inshuro zerekana ibimenyetso, hamwe no kumva urusaku kugirango umenye amashanyarazi akwiye.
Ikindi kintu cyingenzi tugomba gusuzuma ni imicungire yumuriro. Ubugari bwumurongo n'umurongo bigira uruhare mukwirakwiza ubushyuhe bukwiye. Inzira nini yorohereza ihererekanyabubasha ryiza, bigabanya amahirwe yibigize kurubaho rushyushye. Niba PCB yawe ikeneye kwihanganira porogaramu zikoresha ingufu nyinshi cyangwa ikorera ahantu hafite ubushyuhe bwo hejuru, hashobora gukenerwa inzira nini n'umwanya munini.
Muguhitamo ubugari bwumurongo nintera, ubushobozi bwo gukora uruganda rwa PCB bugomba gutekerezwa. Bitewe nibikoresho bigarukira, ntabwo ababikora bose bashobora kugera kumurongo mugari cyane no kwaguka. Ni ngombwa kugisha inama uwagukora kugirango umenye neza ko ibyatoranijwe byujujwe mubushobozi bwabo. Kutabikora birashobora gutuma umusaruro utinda, ibiciro byiyongera, cyangwa inenge za PCB.
Ubunyangamugayo bwibimenyetso nibyingenzi mugushushanya PCB. Ubugari bwumurongo hamwe nubusobanuro bwihariye birashobora kugira ingaruka cyane kubimenyetso byerekana ubunyangamugayo bwihuse bwa sisitemu. Kurugero, mubishushanyo-byinshi byashushanyije, ubugari buto bwumurongo hamwe nintera ndende birashobora gusabwa kugabanya ibimenyetso byatakaye, kudahuza impedance, no gutekereza. Ikimenyetso cyerekana ubunyangamugayo no gusesengura birashobora gufasha kumenya ibisobanuro bikwiye kugirango ukomeze imikorere myiza.
Ingano ya PCB nubucucike nabyo bigira uruhare runini muguhitamo ubugari bwumurongo no gutandukanya umwanya. Ikibaho gito gifite umwanya muto gishobora gusaba ibisobanuro bigufi hamwe n'umwanya muto kugirango uhuze ibyangombwa byose bikenewe. Kurundi ruhande, imbaho nini zifite imbogamizi nkeya zishobora kwemerera inzira nini n'umwanya munini. Ni ngombwa gushyira mu gaciro hagati yo kugera ku mikorere yifuzwa no kwemeza umusaruro mu mwanya waboneka.
Hanyuma, birasabwa kwifashisha amahame yinganda nubuyobozi bwogushushanya mugihe uhitamo ubugari bwumurongo nubusobanuro bwihariye. Amashyirahamwe nka IPC (Inama ya Electronic Industries Council) atanga amahame nubuyobozi byihariye bishobora kuba ibyingenzi. Izi nyandiko zitanga amakuru arambuye kumurongo wagutse no gutandukanya porogaramu zitandukanye na tekinoroji.
Guhitamo umurongo wukuri wubugari hamwe nubusobanuro bwihariye kuri 2-PCB ni intambwe ikomeye mubikorwa byo gushushanya. Kugirango hamenyekane imikorere myiza, kwizerwa, no gukora, ibintu nkibiranga amashanyarazi, gutekereza kubushyuhe, ubushobozi bwo gukora, ubudahangarwa bwibimenyetso, ibipimo bya PCB, nibipimo byinganda. Mugusuzuma witonze ibyo bintu kandi ugakorana cyane nuwakoze PCB, urashobora gukora PCB yuzuye, ikora neza, kandi yujuje ibyo usabwa.
Igihe cyo kohereza: Nzeri-26-2023
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