8 Umaleko FR4 ENIG Tg170 PCB
Izinto eziluncedo kwiTg PCB ephezulu
1. Ukuzinza okuphezulu: ukuba i-Tg ye-PCB inyukile, iya kuphucula ngokuzenzekelayo ukumelana nokushisa, ukuchasana kweekhemikhali, ukuxhathisa umswakama kunye nokuzinza kwesixhobo.
I-2.Ukumelana noyilo loxinaniso lwamandla aphezulu: ukuba isixhobo sinoxinzelelo lwamandla aphezulu kunye nexabiso le-calorific ephezulu, i-Tg PCB ephezulu iya kuba sisisombululo esilungileyo solawulo lobushushu.
3.Xa unciphisa ukuveliswa kobushushu beebhodi eziqhelekileyo, iibhodi zesekethe ezinkulu eziprintiweyo zingasetyenziselwa ukutshintsha iimfuno zoyilo kunye namandla ezixhobo, kunye ne-Tg PCB ephezulu ingasetyenziswa.
4. Ukhetho olufanelekileyo lwe-multilayer kunye ne-HDI PCB: ngenxa yokuba i-multilayer kunye ne-HDI PCB i-compact kunye ne-circuit intensive, iya kukhokelela kwinqanaba eliphezulu lokutshatyalaliswa kobushushu.Ngoko ke, i-Tg ephezulu ye-PCB idla ngokusetyenziswa kwi-multilayer kunye ne-HDI PCB ukuqinisekisa ukuthembeka kokuveliswa kwe-PCB.