| 摘要 |
This X-ray tube device (100) includes an anode (2) and a cathode (1) including an emitter (10) emitting an electron to the anode. The emitter includes an electron emission portion (11) in a flat plate shape, a pair of terminal portions (12) extending from the electron emission portion, connected to an electrode (1a), and a supporting portion (13) provided separately from the terminal portions, insulated from the electrode, supporting the electron emission portion. |
