Ndeupi mutsauko pakati epoxy resin board and epoxy glass cloth board?

FR-4 izita rekodhi regiredhi rinodzivirira moto. Iyo inomiririra kutsanangurwa kwezvinhu izvo resin zvinhu zvinofanirwa kukwanisa kudzima pachazvo mushure mekupisa. Harisi zita renyama, asi giredhi rezvinhu. Naizvozvo, iyo yazvino general circuit Kune akawanda marudzi eFR-4 giredhi zvinhu zvinoshandiswa mubhodhi, asi mazhinji acho akaumbwa zvinhu zvakagadzirwa neinonzi Tera-Function epoxy resin, Filler uye girazi fiber.