| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a device and a method for increasing an electron emission efficiency in a field emission device having a carbon nano tube as an electron emission material at a cathode. <P>SOLUTION: In the field emission device, the carbon nano tube as the electron emission material is installed at the cathode part 2. Infrared ray is irradiated to the carbon nano tube 1 to increase the efficiency of the emission of electrons from the carbon nano tube 1. <P>COPYRIGHT: (C)2003,JPO</p> |
