I-8 Layer ENIG FR4 Ingcwatywe ngePCB
Iintsilelo zeemfama ezingcwatywa ngePCB
Eyona ngxaki iphambili yokungcwatywa kweemfama ngePCB ziindleko eziphezulu.Ngokwahlukileyo, imingxuma engcwatyiweyo ixabisa ngaphantsi kwemingxuma eyimfama, kodwa ukusetyenziswa kwezi ntlobo zombini zemingxuma kunokunyusa kakhulu ixabiso lebhodi.Ukunyuka kweendleko kubangelwa inkqubo yokwenziwa kwenkqubo enzima ngakumbi yomngxuma oyimfama ongcwatywe, oko kukuthi, ukwanda kweenkqubo zokuvelisa nako kukhokelela ekwandeni kweenkqubo zokuvavanya nokuhlola.
Wangcwatywa ngePCB
Ukungcwatywa nge-PCBs zisetyenziselwa ukudibanisa iileya ezahlukeneyo zangaphakathi, kodwa zingabi nalunxibelelwano kunye ne-eutermost layer.Ifayile yoqheliso eyahlukileyo kufuneka yenziwe kwinqanaba ngalinye lomngxuma ongcwatywe.Umlinganiselo wobunzulu bomngxuma ukuya kwindawo yokuvula (inkalo yomlinganiselo/yobutyeba-idayamitha) kufuneka ube ngaphantsi okanye ulingane no-12.
I-keyhole inquma ubunzulu bomngxuma wesitshixo, umgama ophezulu phakathi kweengqimba zangaphakathi ezahlukeneyo.Ngokubanzi, inkulu indandatho yangaphakathi yomngxuma, uxhulumaniso oluzinzile kwaye oluthembekileyo.
Iimfama Zangcwatywa NgePCB
Eyona ngxaki iphambili yokungcwatywa kweemfama ngePCB ziindleko eziphezulu.Ngokwahlukileyo, imingxuma engcwatyiweyo ixabisa ngaphantsi kwemingxuma eyimfama, kodwa ukusetyenziswa kwezi ntlobo zombini zemingxuma kunokunyusa kakhulu ixabiso lebhodi.Ukunyuka kweendleko kubangelwa inkqubo yokwenziwa kwenkqubo enzima ngakumbi yomngxuma oyimfama ongcwatywe, oko kukuthi, ukwanda kweenkqubo zokuvelisa nako kukhokelela ekwandeni kweenkqubo zokuvavanya nokuhlola.
A: ungcwatywe nge
B: Yangcwatywa ngelamyini (ayikhuthazwa)
C: Umnqamlezo ungcwatywe ngendlela
Inzuzo yeVias eyimfama kunye nokungcwatywa kweVias yeenjineli kukwanda koxinaniso lwecandelo ngaphandle kokunyuka kwenani lomaleko kunye nobungakanani bebhodi yesekethe.Kwiimveliso ze-elektroniki ezinendawo emxinwa kunye nokunyamezelana koyilo oluncinci, uyilo lomgodi oyimfama lukhetho oluhle.Ukusetyenziswa kwemingxuma enjalo kunceda injineli yoyilo lwesekethe ukuyila umngxuma ofanelekileyo / umlinganiselo wephedi ukunqanda umlinganiselo ogqithisileyo.