FR1050880A - - Google Patents
Info
- Publication number
- FR1050880A FR1050880A FR1050880DA FR1050880A FR 1050880 A FR1050880 A FR 1050880A FR 1050880D A FR1050880D A FR 1050880DA FR 1050880 A FR1050880 A FR 1050880A
- Authority
- FR
- France
- 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
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/14—Arrangements for concentrating, focusing, or directing the cathode ray
- H01J35/147—Spot size control
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE299077X | 1951-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1050880A true FR1050880A (en) | 1954-01-12 |
Family
ID=6091175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1050880D Expired FR1050880A (en) | 1951-02-16 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH299077A (en) |
| FR (1) | FR1050880A (en) |
| GB (1) | GB703387A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1074769B (en) * | 1954-06-01 | 1960-02-04 | Centre National De La Recherche Scientifique, Paris | X-ray tube with electrostatic focusing |
-
0
- FR FR1050880D patent/FR1050880A/fr not_active Expired
-
1952
- 1952-02-15 CH CH299077D patent/CH299077A/en unknown
- 1952-02-18 GB GB4303/52A patent/GB703387A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH299077A (en) | 1954-05-31 |
| GB703387A (en) | 1954-02-03 |