Emhlabeni obanzi we-electronics, isifinyezo se-PCB sivame ukusetshenziselwa ukubhekisela ebhodini lesifunda eliphrintiwe.Nokho, kulabo abangajwayelene nobunkimbinkimbi balobu buchwepheshe obubucayi, amagama angadida futhi avame ukuphakamisa imibuzo njengokuthi “isho ukuthini i-PCB?”Uma uzithola ufisa ukwazi ngama-PCB futhi ufuna ukuqonda okucacile kwezisekelo zawo, usendaweni efanele.Le bhulogi ihlose ukukunikeza incazelo eqondakala kalula mayelana nama-PCB, ukubaluleka kwawo kanye nokusebenza kwawo emhlabeni wanamuhla wezobuchwepheshe.
Chaza i-PCB
Amabhodi esekethe aphrintiwe (ama-PCB) ayizingxenye ezibalulekile kumishini kagesi yesimanje.Aqukethe amashidi ayisicaba ezinto ezingahlangani njenge-fiberglass esebenza njengesisekelo sokukhweza izingxenye ze-elekthronikhi ezihlukahlukene.Lezi zingxenye zixhunywe inethiwekhi yamathrekhi ethusi, abizwa ngokuthi ama-traces, aqoshwe ebusweni bebhodi.
1. Isakhiwo kanye nomsebenzi
Inhloso enkulu ye-PCB ukuhlinzeka ngosekelo lwemishini kanye nokuxhumana kukagesi phakathi kwezingxenye ze-elekthronikhi.Inesibopho sokuqinisekisa ukuxhumana okunembile nokuxhumana phakathi kwezingxenye ezahlukahlukene, kufaka phakathi amasekethe ahlanganisiwe (ama-IC), ama-resistors, ama-transistors, ama-capacitor, nokuningi.Amaphethini okulandela umkhondo kumabhodi esekethe asiza ukwenza ukuhamba kukagesi kube lula ukuze izinto zikagesi zisebenze kahle.
2. Izinzuzo PCB
Ukuhlanganisa ama-PCB ezintweni zikagesi kunezinzuzo ezimbalwa.Okokuqala, idizayini yabo ehlangene inika amandla i-miniaturization, ikhulisa isikhala ngaphakathi kwemishini kagesi.Ngaphezu kwalokho, ukusebenzisa i-PCB kunciphisa amathuba amaphutha ngesikhathi sokuhlanganiswa, njengoba izingxenye zibekwe ngendlela ehlelekile ebhodini, okwenza kube lula inqubo yokukhiqiza.Ama-PCB aphinde anikeze ukuqina okukhulu uma kuqhathaniswa nezinye izindlela zokufaka izintambo.Izingxenye ezidayisiwe ziqinisekisa ukuxhumana okuphephile futhi zinciphisa ingozi yezintambo ezixekethile noma ukuxhumana okungalungile.
3. Izinhlobo zama-PCB
Ama-PCB angahluka ngobunkimbinkimbi, idizayini, kanye nenani lezendlalelo ukuze ahlangabezane nezidingo zezinhlelo zokusebenza ezithile.Ezinye izinhlobo ezijwayelekile zama-PCB zifaka ungqimba olulodwa, ungqimba oluphindwe kabili, nama-PCB anezingqimba eziningi.I-PCB enesendlalelo esisodwa inongqimba olulodwa lwethusi ohlangothini olulodwa, kuyilapho i-PCB enezingqimba ezimbili inemikhondo yethusi nhlangothi zombili.Ama-PCB anezingqimba eziningi ahlanganisa izingqimba eziningi ezinqwabelene futhi zixhunywe ngezimbobo ezibhoboziwe ezibizwa ngokuthi i-vias, okuvumela inani elikhulu lezingxenye ukuthi zihlanganiswe futhi zithuthukiswe ukusebenza.
4. Inqubo yokukhiqiza ye-PCB
Inqubo yokukhiqiza ye-PCB ibandakanya izinyathelo ezimbalwa.Ekuqaleni, ubukhulu bebhodi kanye nokuhlelwa kwezingxenye kwakhiwa kusetshenziswa isofthiwe ye-computer-aid design (CAD).Uma umklamo usuqediwe, udluliselwa ebhodini lesifunda ngefilimu ye-photosensitive noma imaski yokuzivikela.Izindawo zethusi eziveziwe zibe sezigqitshwa kusetshenziswa isixazululo samakhemikhali, kushiye imikhondo efunwayo.Ekugcineni, izingxenye zifakwe ebhodini futhi zithengiswa, ziqedela inqubo yokuhlanganisa.
Ekuphetheni
Kafushane, amabhodi esekethe aphrintiwe (ama-PCB) adlala indima ebalulekile ku-elekthronikhi, ehlinzeka ngoxhumo oludingekayo lukagesi kanye nokwesekwa kwemishini kumadivayisi amaningi.Ukuqonda izinto eziyisisekelo zama-PCB, okuhlanganisa ukwakheka kwawo, umsebenzi, izinzuzo, nezinqubo zokukhiqiza, kubalulekile ukuze siqonde izinto zikagesi eziyinkimbinkimbi esibhekana nazo nsuku zonke.Njengoba ubuchwepheshe buqhubeka nokuthuthuka, ama-PCB ngokungangabazeki azohlala eyinsika yokuqamba izinto ezintsha, ethuthuka ukuze ahlangabezane nezinselele nezidingo ezintsha.
Isikhathi sokuthumela: Jun-26-2023