| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an electron emission device, an electron source and an image-forming apparatus which can improve electron emission efficiency and focusing characteristics of emitted electron trajectories. SOLUTION: A conductive layer 5 is formed on a emitter material 4, so as to expose only an edge 41 on an extraction electrode side 2 and cover other edges 42, 43, 44.</p> |
