GB444945A - Improvements in x-ray tubes - Google Patents
Improvements in x-ray tubesInfo
- Publication number
- GB444945A GB444945A GB28245/35A GB2824535A GB444945A GB 444945 A GB444945 A GB 444945A GB 28245/35 A GB28245/35 A GB 28245/35A GB 2824535 A GB2824535 A GB 2824535A GB 444945 A GB444945 A GB 444945A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- electrode
- spreading
- strip
- plate
- 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
- 239000011324 bead Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000010445 mica Substances 0.000 abstract 1
- 229910052618 mica group Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/06—Cathodes
- H01J35/064—Details of the emitter, e.g. material or structure
Landscapes
- X-Ray Techniques (AREA)
- Measurement Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE444945X | 1934-11-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB444945A true GB444945A (en) | 1936-03-31 |
Family
ID=6537688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28245/35A Expired GB444945A (en) | 1934-11-09 | 1935-10-12 | Improvements in x-ray tubes |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2090722A (en:Method) |
| FR (1) | FR796281A (en:Method) |
| GB (1) | GB444945A (en:Method) |
| NL (1) | NL43904C (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2471298A (en) * | 1943-10-02 | 1949-05-24 | Gen Electric X Ray Corp | Cathode cup construction |
| BE627165A (en:Method) * | 1962-01-15 | |||
| US3701915A (en) * | 1971-01-04 | 1972-10-31 | Air Reduction | Electron beam gun |
| EP0698907A3 (de) * | 1994-07-20 | 1996-05-01 | Mishnarodnij Zentr Elektronno | Elektronenkanone. |
-
0
- NL NL43904D patent/NL43904C/xx active
-
1935
- 1935-10-12 GB GB28245/35A patent/GB444945A/en not_active Expired
- 1935-10-14 FR FR796281D patent/FR796281A/fr not_active Expired
- 1935-10-22 US US46204A patent/US2090722A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR796281A (fr) | 1936-04-03 |
| US2090722A (en) | 1937-08-24 |
| NL43904C (en:Method) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB458631A (en) | Improvements in or relating to magnetron tubes | |
| GB444945A (en) | Improvements in x-ray tubes | |
| GB440094A (en) | Improvements in or relating to electron emitters for electron discharge devices | |
| GB743200A (en) | Improvements in or relating to cathode ray tubes | |
| GB434643A (en) | Improvements in or relating to electron discharge devices | |
| US2054234A (en) | Electric discharge device | |
| GB438227A (en) | Improvements in incandescent cathodes particularly for gasfilled discharge tubes | |
| US2374684A (en) | Push-pull electron tube | |
| GB395660A (en) | Improvements in and relating to electric discharge devices | |
| GB490652A (en) | Improvements in or relating to electric discharge tubes | |
| US1875002A (en) | Discharge tube with glow cathode | |
| US2040530A (en) | Electron discharge device | |
| GB424610A (en) | Improvements in and relating to electron discharge devices | |
| GB415165A (en) | Improvements in or relating to electric discharge tubes | |
| US1938636A (en) | Alternating current heated thermionic device | |
| GB354141A (en) | Improvements in or relating to electric gas- or vapour-filled arc discharge tubes | |
| US2152830A (en) | Tube for short waves | |
| GB422694A (en) | Improvements in oxide cathodes more particularly for gasfilled discharged tubes | |
| GB411257A (en) | Improvements in or relating to electron discharge tubes | |
| GB357002A (en) | Improvements relating to electron discharge tubes | |
| GB433854A (en) | Improvements in or relating to electric discharge tubes | |
| GB477787A (en) | Electric discharge tube | |
| GB370297A (en) | Improvements relating to electron discharge tubes or thermionic valves | |
| GB289975A (en) | Improvements in or relating to electric vacuum or gas-filled tubes | |
| GB529183A (en) | Electron discharge device employing successive multiple secondary emissions |