| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electron/ion source device, which suppresses effects on the functions of the device and controls the focusing of electrons/ions with a relatively simple structure, and also to provide its manufacturing method and a display device. <P>SOLUTION: In the electron/ion source device having an electron/ion source emitting electrons or ions, a permittivity modulation part 30 having regions of different permittivities is provided at least in a part between an anode 15 and a cathode 5. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
