PCB gungano inzira yekugadzira akadhindwa edunhu mabhodhi, nzira yekugadzira iyo inoshandura mbishi zvinhu kuita PCB mamabhodhi ezvigadzirwa zvemagetsi.Inogona kushandiswa mumaindasitiri mazhinji, kusanganisira echiuto uye aerospace.Nhasi tichadzidza nezve PCB ine chekuita neruzivo pamwechete.
A PCB itete, rakapfava chidimbu che dielectric zvinhu zvine maconductive nzira dzakaiswa mairi.Idzi nzira dzinobatanidza zvakasiyana-siyana zvemagetsi zvikamu.Izvo zvinoshandiswawo kubatanidza zvikamu kune zvigadziko pamapuranga akadhindwa edunhu.PCB gungano ndiyo maitiro ekugadzira edunhu mabhodhi ezvigadzirwa zvemagetsi.Maitiro acho anosanganisira etching mapatani pane dielectric substrate uye wobva wawedzera zvemagetsi kune substrate.
Nhanho yekutanga mune yakazara PCB gungano maitiro kugadzira PCB dhizaini.Dhizaini yakagadzirwa uchishandisa CAD (Computer Aided Design) software.Kana dhizaini yapera, inotumirwa kuCAM system.Iyo CAM sisitimu inoshandisa dhizaini kugadzira nzira dzekugadzira uye mirairo inodiwa kugadzira PCB.Nhanho inotevera ndeyekuisa pateni inodiwa pane substrate, iyo inowanzoitwa uchishandisa photochemical process.Mushure mekugadzirisa maitiro, zvikamu zvemagetsi zvinoiswa pa substrate uye soldered.Mushure mekuita solder kwapera, PCB inocheneswa uye inoongororwa mhando.Kana yangopfuura kuongororwa, yagadzirira kushandiswa.
Kuenzaniswa nemaitiro echinyakare PCB magungano, yemazuva ano SMT gungano kugadzirisa kune akawanda mabhenefiti.Imwe yemabhenefiti makuru ndeyekuti gungano reSMT rinobvumira mamwe madhizaini akaoma kupfuura mamwe maitiro.Izvi zvinodaro nekuti gungano reSMT haridi maburi ekuchera kubatanidza zvikamu zvakasiyana.Izvi zvinoreva kuti mamwe madhizaini akaomarara anogona kugadzirwa pasina kunetsekana pamusoro pekugumira kwekuchera kwemuviri.Imwe bhenefiti yeSMT musangano ndeyekuti inokurumidza kupfuura dzimwe nzira.Matanho ese anodiwa anoitwa pamushini mumwe.Izvi zvinoreva kuti hapana chikonzero chekufambisa PCB kubva kune imwe muchina kuenda kune imwe, iyo inochengetedza nguva yakawanda.
SMT musangano zvakare inzira inodhura-inoshanda yekugadzira maPCB ezvigadzirwa zvemagetsi.Izvi zvinodaro nekuti inokurumidza kupfuura dzimwe nzira, izvo zvinoreva kuti nguva shoma nemari inodiwa kugadzira nhamba yakafanana yemagungano ePCB.Asi ine zvimwe zvayakaipira.Chimwe chezvakanyanya kuipa ndechekuti zvakaoma zvikuru kugadzirisa PCB magungano anogadzirwa uchishandisa nzira iyi.Izvi zvinodaro nekuti dunhu rakanyanya kuoma kupfuura dzimwe nzira.
Iri pamusoro izivo nezvePCB yandinoda kugovana newe.SMT musangano parizvino ndiyo yakanakisa kugadzirisa nzira yePCB gungano.Kuti uwane rumwe ruzivo nezve izvi, ndapota tibvunze isu.
Nguva yekutumira: Zvita-05-2022