ROTATING ANODE X-RAY TUBE

PURPOSE:To make it into a focus excellent in modulation degree transmitting function and that, focuses great in X-ray output by forming each surrounding side face of a focusing electrode parallel to each groove which houses each filament, into a recessed circular arc other than a plane. CONSTITUTION...

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1. Verfasser: TANABE SADAO
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To make it into a focus excellent in modulation degree transmitting function and that, focuses great in X-ray output by forming each surrounding side face of a focusing electrode parallel to each groove which houses each filament, into a recessed circular arc other than a plane. CONSTITUTION:The curvature of each surrounding side face 6 of a focusing electrode in the perpendicular direction to each groove 7, 8 which houses each filament 9, 10 is made small and each surrounding side face 6 a focusing electrode parallel to each groove is formed into a recessed circular arc other than a plane. Hereby, a rectangular line focus can be formed. Hereby, the maximum focus input to the nominal dimension of the focus can be given. Also, if the short time input of the focus is limited equally, the focus width can be made small and modulation degree transmitting function in the width direction is improved.