%0 Journal Article %T A study of head instabilities in TMR sensors using in high density perpendicular magnetic recoding systems %A Tongsomporn, Damrongsak %A Afzulpurkar, Nitin %A Sitthisak, Onjira %J International Journal of Applied Electromagnetics and Mechanics %V 31 %N 4 %P 257-265 %@ 1383-5416 %D 2009-12-16 %I IOS Press %~ DeepDyve