Tignoolajiyada PERC: Tignoolajiyada PERC waa tignoolajiyada wanaajisa waxtarka unugyada iyadoo ku daraysa lakabka filimka dahaadhka tayada sare leh ee dhabarka unugyada cadceedda silikon monocrystalline.Filimku wuxuu dhaafaa eedaha, wuxuu yareeyaa dib-u-habaynta dusha sare ee kharashyada, wuxuuna yareeyaa luminta milicsiga dhabarka batteriga, taas oo kor u qaadaysa waxtarka beddelka sawir-qaadista ee batteriga.