Ka'idar fasahar bangon taɓawa tana cikin allon capacitive da aka zayyana, wanda ya ƙunshi yadudduka na fim mai haske, grid matrix Layer ya ƙunshi layin ƙarfe da ke ratsa sassan X da Y, kowane matrix yana samar da sashin ji wanda zai iya fahimtar taɓa hannun ɗan adam, bangon taɓawa shine kawai sabuwar hanyar da za ta iya cimma mai lankwasa, cikakken bayyananne, mai hana ruwa ruwa, gilashin hana ruwa, da hana ruwa gudu.