%0 Journal Article %T Small-Sized Flat-Tip CNT Emitters for Miniaturized X-Ray Tubes %A Hyun Jin Kim %A Jun Mok Ha %A Sung Hwan Heo %A Sung Oh Cho %J Journal of Nanomaterials %D 2012 %I Hindawi Publishing Corporation %R 10.1155/2012/854602 %U http://dx.doi.org/10.1155/2012/854602