Itheyiphu yobhedu efakiweyo yinto ebalulekileyo kumzi mveliso we-elektroniki, ngakumbi kwizicelo ezifuna ukukhusela okusebenzayo kunye nokuqhuba. Olu hlobo lweteyiphu lwenziwe ngumaleko wobhedu obukumgangatho ophezulu, eyaziwa ngokuqhuba kakuhle kombane, kunye nezinto ezixhasayo ezihlala ziqulathe i-polyimide okanye i-polyester. Ukudityaniswa kwezi zinto