| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To promote further improvement of electron-emission efficiency in an electron beam device having an electron-emitting element, and provide an image display having further higher display quality. <P>SOLUTION: In the electron beam device that includes an insulating member 2 having a recess 7 on its surface, a gate 4 and a cathode 6 opposing to the gate 4 across the recess 7, there is a hollow part 8 in the surface of the recess 7. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
