Yawancin masu siyan masana'antar lantarki sun rikice game da farashin PCBs.har ma wasu mutanen da ke da shekaru masu yawa na gogewa a cikin siyan PCB ƙila ba za su fahimci ainihin dalilin ba.A zahiri, farashin PCB ya ƙunshi abubuwa masu zuwa:
Na farko, farashin sun bambanta saboda kayan daban-daban da aka yi amfani da su a cikin PCB.
Ɗaukar talakawa biyu yadudduka pcb a matsayin misali, laminate bambanta daga FR-4, CEM-3, da dai sauransu tare da kauri jeri daga 0.2mm zuwa 3.6mm.Kaurin jan ƙarfe ya bambanta daga 0.5Oz zuwa 6Oz, duk wanda ya haifar da babban bambanci na farashi.Farashin tawada na soldermask shima ya sha bamban da kayan tawada na thermosetting na yau da kullun da kayan tawada mai ɗaukar hoto.
Na biyu, farashin ya bambanta saboda hanyoyin samarwa daban-daban.
Hanyoyin samarwa daban-daban suna haifar da farashi daban-daban.Irin su allon da aka yi da zinari da allon kwano, sifar kewayawa da naushi, yin amfani da layukan allo na siliki da busassun layin fim za su haifar da farashi daban-daban, wanda zai haifar da bambancin farashin.
Na uku, farashin sun bambanta saboda rikitarwa da yawa.
PCB zai zama daban-daban farashin ko da kayan da tsari iri ɗaya ne, amma tare da rikitarwa da yawa daban-daban.Misali, idan akwai ramuka 1000 akan allunan da’irar biyu, diamita na ramin allon daya ya fi 0.6mm kuma diamita na sauran allon bai wuce 0.6mm ba, wanda zai haifar da farashin hakowa daban-daban.Idan allunan kewayawa iri ɗaya ne a cikin wasu buƙatun, amma faɗin layin ya bambanta kuma yana haifar da farashi daban-daban, kamar faɗin allo ɗaya ya fi 0.2mm girma, ɗayan kuma yana da ƙasa da 0.2mm.Saboda fadin allunan ƙasa da 0.2mm suna da ƙarancin lahani, wanda ke nufin farashin samarwa ya fi na al'ada.
Na hudu, farashin ya bambanta saboda bukatun abokin ciniki daban-daban.
Bukatun abokin ciniki za su shafi kai tsaye ƙimar rashin lahani a cikin samarwa.Irin wannan yarjejeniya guda ɗaya zuwa IPC-A-600E class1 yana buƙatar ƙimar wucewa 98%, yayin da yarjejeniya zuwa class3 na buƙatar samun ƙimar wucewa 90% kawai, haifar da farashi daban-daban ga masana'anta kuma a ƙarshe yana haifar da canje-canje a farashin samfur.
Lokacin aikawa: Juni-25-2022
