Inona ny fahasamihafana epoxy resin board and epoxy glass cloth board?

FR-4 no anaran’ny kaody ho an’ny kilasy fitaovana mahatohitra lelafo. Izy io dia maneho ny fepetra ara-materialy izay tsy maintsy hovonoina ho azy ny akora resin rehefa avy may. Tsy anarana ara-materialy izany, fa naoty ara-materialy. Noho izany, ny faritra ankapobeny amin’izao fotoana izao Misy karazana fitaovana FR-4 kilasy maro ampiasaina ao amin’ny birao, fa ny ankamaroan’izy ireo dia fitaovana mitambatra vita amin’ny antsoina hoe Tera-Function epoxy resin, Filler sy fitaratra fibre.