DRAWING AND OBSERVATION OF ELECTRIFIED IM AGES ON CERAMIC SUBSTRATES USING ELECTRON-BEAM

Main process of the powder particles' assembly, proposed for creation of multi-functional materials, consists of drawing electrified pattern s on substrates and introducing electrified powder particles onto the substrates, In the process, the powder particles are arranged along wi th the patterns by electrostatic force, In the present paper, electrif ication behaviors on ceramic substrates was studied. Electrified image s were formed on calcium titanium oxide (CaTiO3) substrates using elec tron beam. The substrates were positively electrified by 1 kV electron beam, while the substrates were negatively electrified by electron be ams with 3 kV and higher voltages, Electrified images were observed by the voltage contrast method using 2 kV electron beam scanning, Sharpn ess of electrified images were influenced by the condition of electron exposure, Sharp images were obtained by the electron beams with dose electron density of 0.2 pC/mu m(2) and accelerating voltage of 5-15 kV , The electrified images disappeared after Ih in air, but were maintai ned for 62h in vacuum.