| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an electron gun capable of aiming at higher quality of electron beams in a simple way and provide an electron microscope and an electron generation method. <P>SOLUTION: The electron gun 100 in this application is an electron gun discharging electrons in a direction of incident laser beams, and is provided with a laser beam source, a hollow light guide member where the laser beam from the laser beam source enters and the incident light propagates repeating total reflections inside, a hollow lens refracting light emitted from the light guide member, and a photo-cathode where the laser beam refracted by the lens enters. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
