BE441898A - - Google Patents
Info
- Publication number
- BE441898A BE441898A BE441898DA BE441898A BE 441898 A BE441898 A BE 441898A BE 441898D A BE441898D A BE 441898DA BE 441898 A BE441898 A BE 441898A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/18—Electrode arrangements using essentially more than one dynode
- H01J43/22—Dynodes consisting of electron-permeable material, e.g. foil, grid, tube, venetian blind
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE216056X | 1938-11-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441898A true BE441898A (en:Method) |
Family
ID=5827202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441898D BE441898A (en:Method) | 1938-11-04 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE441898A (en:Method) |
| CH (1) | CH216056A (en:Method) |
| FR (1) | FR882472A (en:Method) |
-
0
- BE BE441898D patent/BE441898A/xx unknown
-
1940
- 1940-08-13 CH CH216056D patent/CH216056A/de unknown
-
1942
- 1942-06-01 FR FR882472D patent/FR882472A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR882472A (fr) | 1943-06-04 |
| CH216056A (de) | 1941-07-31 |