FR2091148A5 - - Google Patents
Info
- Publication number
- FR2091148A5 FR2091148A5 FR7115957A FR7115957A FR2091148A5 FR 2091148 A5 FR2091148 A5 FR 2091148A5 FR 7115957 A FR7115957 A FR 7115957A FR 7115957 A FR7115957 A FR 7115957A FR 2091148 A5 FR2091148 A5 FR 2091148A5
- 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
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/32—Secondary-electron-emitting electrodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3469970A | 1970-05-05 | 1970-05-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2091148A5 true FR2091148A5 (en) | 1972-01-14 |
Family
ID=21878047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7115957A Expired FR2091148A5 (en) | 1970-05-05 | 1971-05-04 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5617782B1 (en) |
CA (1) | CA942371A (en) |
DE (1) | DE2120659C3 (en) |
FR (1) | FR2091148A5 (en) |
GB (1) | GB1307453A (en) |
NL (1) | NL170996C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2466851A1 (en) * | 1979-10-03 | 1981-04-10 | Labo Electronique Physique | SECONDARY EMISSION ELECTRODE, IN PARTICULAR FOR A PHOTOMULTIPLIER |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113512470A (en) * | 2021-03-31 | 2021-10-19 | 杭州安誉科技有限公司 | Photocathode for photomultiplier and method for producing the same |
-
1971
- 1971-03-15 CA CA107,800A patent/CA942371A/en not_active Expired
- 1971-04-19 GB GB2649671A patent/GB1307453A/en not_active Expired
- 1971-04-27 DE DE19712120659 patent/DE2120659C3/en not_active Expired
- 1971-05-01 JP JP2936971A patent/JPS5617782B1/ja active Pending
- 1971-05-04 NL NL7106069A patent/NL170996C/en not_active IP Right Cessation
- 1971-05-04 FR FR7115957A patent/FR2091148A5/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2466851A1 (en) * | 1979-10-03 | 1981-04-10 | Labo Electronique Physique | SECONDARY EMISSION ELECTRODE, IN PARTICULAR FOR A PHOTOMULTIPLIER |
EP0026949A1 (en) * | 1979-10-03 | 1981-04-15 | Laboratoires D'electronique Et De Physique Appliquee L.E.P. | Secondary-emission electrode, particularly for a photomultiplier |
Also Published As
Publication number | Publication date |
---|---|
NL7106069A (en) | 1971-11-09 |
JPS5617782B1 (en) | 1981-04-24 |
DE2120659A1 (en) | 1971-11-25 |
NL170996B (en) | 1982-08-16 |
CA942371A (en) | 1974-02-19 |
GB1307453A (en) | 1973-02-21 |
NL170996C (en) | 1983-01-17 |
DE2120659B2 (en) | 1977-08-04 |
DE2120659C3 (en) | 1978-04-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |