Abstract: The carbon nanotube film cathode is prepared on the silicon substrate by the catalyst-pyrolysis process. The triode CNTFED device sample is fabricated by the simple screen-printing process, high temperature sintering process and low-melting-point-glass sealing-in technology. The carbon nanotube cathode is assembled by new cathode-pasting technology, so the difficulty of the existence of the difference in thermal expansion coefficients between the silicon substrate and the packaging glass is settled, and the contamination of the carbon nanotube cathode is avoided. The stable and reliable whole device packaging is confirmed by new cathode-pasting technology, and the applicability and flexibility of the cathode-assembly-method are obviously improved. The whole FED possesses better filed emission characteristics and higher vision brightness.

Key words: carbon nanotube, field emission, cathode-pasting, triode display