X-RAY TUBE
PURPOSE:To provide an X-ray tube which allows easy assembly of cathode, presents an enhanced reliability, and can be manufactured at a low cost. CONSTITUTION:A coil-shaped filament 4 is arranged so that its longitudinal direction lies perpendicular to the inclining direction of the target 5 of an an...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:To provide an X-ray tube which allows easy assembly of cathode, presents an enhanced reliability, and can be manufactured at a low cost. CONSTITUTION:A coil-shaped filament 4 is arranged so that its longitudinal direction lies perpendicular to the inclining direction of the target 5 of an anode 2. The focusing groove 7 of a cathode 3 is enlarged, or the gap between the filament and focusing groove is made large, or the mounting level of filament with respect to the focusing groove is made shallow. |
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