GB548673A - Improvements relating to x-ray tubes - Google Patents
Improvements relating to x-ray tubesInfo
- Publication number
- GB548673A GB548673A GB748241A GB748241A GB548673A GB 548673 A GB548673 A GB 548673A GB 748241 A GB748241 A GB 748241A GB 748241 A GB748241 A GB 748241A GB 548673 A GB548673 A GB 548673A
- Authority
- GB
- United Kingdom
- Prior art keywords
- target
- block
- cylinder
- extension
- cathode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
Landscapes
- X-Ray Techniques (AREA)
Abstract
548,673. Rontgen-ray tubes. WOOD, W: A., and FROMMER, L. June 13, 1941, No. 7482; [Class. 39 (i)] In an X-ray tube particularly for. use in radiography and crystallography a large area target is used to give a converging, conical emission of rays the solid angle of the cone being 30 degrees or more. A filamentary cathode 12, Fig. 1, is supported at one end' by a steel. rod 14 encased in, quartz and at the other end by a tube 13 through which the upper end of the rod passes, with a vacuum tight seal: The target 5 is a copper block with cooling water circulation holes made therein. The window is formed by a thin aluminium plate 10; Fig. 3, held' in a recess by a steel plate 8 with hole 9. The whole of the cylindrical surface 5a of the block is used as a target and secondary X-rays generated in the block form part of the emission. A glass cylinder 2 forms an extension of the block, the top of the cylinder 2 being closed by a further cylinder which is water cooled. In a modification the target is formed by the cylinder 20, Fig. 4, removably: carried in an extension 19 connected to a pump. Thetop of the extension is closed by a glass cylinder 2, the seal 16 being cooled by the water in the jacket 23a; an independent cooling jacket 32 is placed on the' target. In this form the window 10 is arranged at the end of the target block. The filament may be wound round a ceramic support or an indirectly heated cathode may be used. The target may be spherical with the cathode at the centre. The block may be of any material which it is desired to examine or may be coated with such material' such as zinc, gallium or the alkali metals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB748241A GB548673A (en) | 1941-06-13 | 1941-06-13 | Improvements relating to x-ray tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB748241A GB548673A (en) | 1941-06-13 | 1941-06-13 | Improvements relating to x-ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB548673A true GB548673A (en) | 1942-10-20 |
Family
ID=9833960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB748241A Expired GB548673A (en) | 1941-06-13 | 1941-06-13 | Improvements relating to x-ray tubes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB548673A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0630038A1 (en) * | 1993-06-18 | 1994-12-21 | Hamamatsu Photonics K.K. | X-ray generation tube |
| EP0630039A1 (en) * | 1993-06-18 | 1994-12-21 | Hamamatsu Photonics K.K. | X-ray generation tube |
-
1941
- 1941-06-13 GB GB748241A patent/GB548673A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0630038A1 (en) * | 1993-06-18 | 1994-12-21 | Hamamatsu Photonics K.K. | X-ray generation tube |
| EP0630039A1 (en) * | 1993-06-18 | 1994-12-21 | Hamamatsu Photonics K.K. | X-ray generation tube |
| US5504799A (en) * | 1993-06-18 | 1996-04-02 | Hamamatsu Photonics K.K. | X-ray generation tube for ionizing ambient atmosphere |
| US5504798A (en) * | 1993-06-18 | 1996-04-02 | Hamamatsu Photonics K. K. | X-ray generation tube for ionizing ambient atmosphere |
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