| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electron emission device which can achieve a high electron emission efficiency even in case of a small exciting energy. <P>SOLUTION: The electron emission device is provided with a carbon nanotube layer 12 formed on a SiC base plate 11 and composed of a plurality of carbon nanotubes oriented in a perpendicular direction to a surface of the SiC base plate 11, a MgO layer 13 formed on the carbon nanotube layer 12 and contacting with the carbon nanotube layer 12, an Ohmic electrode 17 connected with the carbon nanotube layer 12, an electrode 15 arranged to face the MgO layer 13 with a space 14 in-between, and a voltage source to impress a voltage between the Ohmic electrode 17 and the electrode 15. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
