Unlock instant, AI-driven research and patent intelligence for your innovation.

X-ray tube and X-ray source including same

An X-ray tube and X-ray technology, which is applied in the directions of X-ray tube parts, X-ray tube, X-ray tube electrodes, etc., can solve the problem of difficulty in increasing the magnification of the magnified fluoroscopic image, and the inability to obtain the clarity of the magnified fluoroscopic image. problem, to achieve the effect of increasing the magnification

Active Publication Date: 2008-10-08
HAMAMATSU PHOTONICS KK
View PDF1 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As described above, in the conventional X-ray tube, there is a problem that if the cover electrode is not provided, sufficient resolution (sharpness) of the magnified fluoroscopic image cannot be obtained. case, it is not easy to increase the magnification of the magnified fluoroscopic image

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • X-ray tube and X-ray source including same
  • X-ray tube and X-ray source including same
  • X-ray tube and X-ray source including same

Examples

Experimental program
Comparison scheme
Effect test

no. 1 Embodiment

[0084] First, refer to Figure 1~Figure 9 The X-ray tube 1A of the first embodiment will be described. and, figure 1 It is an exploded perspective view showing the first embodiment of the X-ray tube of the present invention. figure 2 It is a perspective view showing the overall structure of the X-ray tube 1A of the first embodiment. image 3 Yes means along figure 2 A cross-sectional view of the internal structure of the X-ray tube 1A of the first embodiment shown on the line III-III. Figure 4 Yes means along image 3 A cross-sectional view of the internal structure of the X-ray tube 1A of the first embodiment shown on the IV-IV line. Figure 5 Yes means along Figure 4 A cross-sectional view of the internal structure of the X-ray tube 1A of the first embodiment shown on the V-V line. FIG. 6 is an enlarged cross-sectional view of the equipotential surface formed around the protrusion in the X-ray tube 1A of the first embodiment for explanation. Figure 7 It is a cross-sectiona...

no. 2 Embodiment

[0107] Secondly, refer to Picture 10 11, the X-ray tube related to the second embodiment will be described. and, Picture 10 It is an enlarged perspective view showing the characteristic part of the second embodiment of the X-ray tube of the present invention, particularly the structure of the protruding part of the anode part. FIG. 11 is a diagram for explaining the equipotential surface formed around the protrusion in the X-ray tube of the second embodiment. Particularly in FIG. 11, the area (a) is an enlarged cross-sectional view of the vicinity of the protrusion, and the area (b) is a cross-sectional view of the vicinity of the protrusion along the line B-B shown in the area (a). In addition, in the X-ray tube 1B of the second embodiment, the same or equivalent structures as those of the X-ray tube 1A of the first embodiment are given the same reference numerals and their description is omitted.

[0108] In the X-ray tube 1B of the second embodiment, the anode 50 has a cylind...

no. 3 Embodiment

[0111] Secondly, refer to Figure 12 ~ Figure 16 , The X-ray tube 1C of the third embodiment will be described. and, Picture 12 It is an exploded perspective view showing the third embodiment of the X-ray tube of the present invention. Figure 13 Yes means along Picture 12 A cross-sectional view of the internal structure of the X-ray tube 1C of the third embodiment shown on the line XIII-XIII. Figure 14 Yes means along Figure 13 An enlarged cross-sectional view of the internal structure of the X-ray tube 1C of the third embodiment shown on the XIV-XIV line. FIG. 15 is an enlarged cross-sectional view for explaining the equipotential surface formed around the protrusion in the X-ray tube of the third embodiment. Figure 16 It is a cross-sectional view showing the internal structure of the X-ray tube 1C of the third embodiment along the line XVI-XVI shown in FIG. 15. In addition, in the X-ray tube 1C of the third embodiment, the same or equivalent structures as those of the X-ray...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

An X-ray tube generates X-rays by permitting electrons to enter from an electron gun toward the X-ray target of an anode arranged in an anode containing section (5) and takes out the X-rays thus generated from an X-ray exit window. In particular, the anode has a linear main body section (12), and a projection (27) extending from the distal end of the main body section along the axial direction thereof. An inclining face (27a) against which electrons from the electron gun collide, and a pair of side faces (27b) arranged in parallel while holding the inclining face between are formed at the projection (27). A distance between the pair of side faces at the protrusion is set smaller than the width of the main body section in the same direction as that of the distance. With such an arrangement, incident profile of electrons to the target can be brought close to a circle and generation profile of X-rays can be brought close to a circle. A sharp enlarged perspective image can be obtained and the FOD can be shortened because a hood is not required, and thereby enlargement ratio of the enlarged perspective image can be increased.

Description

Technical field [0001] The present invention relates to an X-ray tube that takes X-rays generated inside a container to the outside through an X-ray emission window, and an X-ray source including the X-ray tube. Background technique [0002] X-rays are electromagnetic waves with good permeability to objects, and are mostly used for non-destructive and non-contact observation of the internal structure of objects. An X-ray tube usually injects electrons emitted by an electron gun into an X-ray target to generate X-rays. The X-ray tube is described in Patent Document 1, and a cylindrical member that houses an electron gun is attached to a housing member that houses an anode having an X-ray target. The electrons emitted by the electron gun enter the X-ray target, and the X-ray target generates X-rays. X-rays pass through the X-ray emission window of the X-ray tube and irradiate the external sample. The X-rays transmitted through the sample are captured as an enlarged fluoroscopic ima...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H01J35/08H01J35/14
CPCH01J35/16H01J35/08H01J35/14H01J2235/086H01J35/112H01J35/18H05G1/06
Inventor 冈田知幸稻鹤务
Owner HAMAMATSU PHOTONICS KK