Claims
- 1. A method of assembly of a means for X-ray emission, the means for emission comprising a casing opened by a window and an X-ray tube placed in the casing, the X-ray tube comprising an anode assembly equipped with an anode, a cathode assembly equipped with a cathode and an envelope, the anode and the cathode being placed in the envelope in order to emit an X-ray beam passing through the window, wherein the longitudinal positioning of the X-ray tube in the casing is produced on the anode side and the angular positioning of the X-ray tube in the casing on a longitudinal axis is produced on the anode side.
- 2. The method according to claim 1 wherein the anode assembly comprises an anode shaft integral with the anode, a rotation axis support and an electric drive motor of the anode equipped with a stator and a rotor, one reference surface is formed on the rotation axis support, one reference surface is formed on the casing and both reference surfaces are brought in contact.
- 3. The method according to claim 2 wherein the axial distance between the reference surface of the rotation axis support and the zone of the anode from which the X-ray beam is emitted is predetermined.
- 4. The method according to claim 2 wherein the axial distance between the reference surface of the casing and the window is predetermined.
- 5. The method according to claim 3 wherein the axial distance between the reference surface of the casing and the window is predetermined.
- 6. The method according claim 1 wherein the rotation axis support is fastened by a bayonet on the casing.
- 7. The method according to claim 6 wherein the cathode is fixed in an angular position predetermined in relation to the bayonet.
- 8. The method according to claim 1 wherein the cathode assembly comprises feed pins and crosses the envelope, the pins are fastened in an angular position predetermined in relation to the cathode.
- 9. The method according to claim 8 wherein the cathode assembly is integral with a portion of the envelope, the portion of the envelope is fastened on another portion of the envelope integral with the anode assembly, with the pins in a an angular position predetermined in relation to the anode assembly.
- 10. The method according to claim 8 wherein the pins are fastened in a position aligned with the cathode.
- 11. The method according to claim 9 wherein the pins are fastened in a position aligned with the cathode.
- 12. An X-ray emission device comprising a casing opened by a window and an X-ray tube placed in the casing, the X-ray tube comprising an anode assembly equipped with an anode a cathode assembly equipped with a cathode and an envelope, the anode and the cathode being placed in the envelope in order to emit an X-ray beam passing through the window, the anode assembly comprising means for longitudinally positioning the X-ray tube in the casing and means for angular positioning of the X-ray tube in the casing on a longitudinal axis.
- 13. A device according to claim 12 wherein the anode assembly contains a reference surface capable of cooperating by contact with a corresponding reference surface formed on the casing.
- 14. A device according to claim 12 wherein the cathode assembly contains feed pins crossing the envelope, the pins being fastened in an angular position predetermined in relation to the cathode and, the cathode assembly being integral with a portion of the envelope, the portion of the envelope is fastened on another portion of the envelope integral with the anode assembly, with the pins in an angular position predetermined in relation to the anode assembly.
- 15. A device according to claim 13 wherein the cathode assembly contains feed pins crossing the envelope, the pins being fastened in an angular position predetermined in relation to the cathode and, the cathode assembly being integral with a portion of the envelope, the portion of the envelope is fastened on another portion of the envelope integral with the anode assembly, with the pins in an angular position predetermined in relation to the anode assembly.
- 16. A device according to claim 12 the rotation axis support comprises a bayonet for angularly positioning the X-ray tube in the casing on a longitudinal axis and for fastening the X-ray tube to the casing.
- 17. A device according to claim 13 the rotation axis support comprises a bayonet for angularly positioning the X-ray tube in the casing on a longitudinal axis and for fastening the X-ray tube to the casing.
- 18. A device according to claim 14 the rotation axis support comprises a bayonet for angularly positioning the X-ray tube in the casing on a longitudinal axis and for fastening the X-ray tube to the casing.
- 19. An X-ray emission device comprising a casing opened by a window and an X-ray tube placed in the casing, the X-ray tube comprising an anode assembly equipped with an anode, a cathode assembly equipped with a cathode and an envelope, the anode and the cathode being placed in the envelope in order to emit an X-ray beam passing through the window, the anode assembly including a bayonet for angularly positioning the X-ray tube in the casing on a longitudinal axis and for fastening the X-ray tube to the casing.
Priority Claims (1)
Number |
Date |
Country |
Kind |
00 06467 |
May 2000 |
FR |
|
CROSS REFERENCE TO RELATED APPLICATIONS
[0001] This application claims the benefit of a priority under 35 USC 119 to French Patent Application No. 0006467 filed May 19, 2000, the entire contents of which are incorporated by reference.