FR2253271A1 - - Google Patents
Info
- Publication number
- FR2253271A1 FR2253271A1 FR7438666A FR7438666A FR2253271A1 FR 2253271 A1 FR2253271 A1 FR 2253271A1 FR 7438666 A FR7438666 A FR 7438666A FR 7438666 A FR7438666 A FR 7438666A FR 2253271 A1 FR2253271 A1 FR 2253271A1
- 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.)
- Granted
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
- H01J43/12—Anode arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US420325A US3875441A (en) | 1973-11-29 | 1973-11-29 | Electron discharge device including an electron emissive electrode having an undulating cross-sectional contour |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2253271A1 true FR2253271A1 (OSRAM) | 1975-06-27 |
| FR2253271B1 FR2253271B1 (OSRAM) | 1978-09-22 |
Family
ID=23666003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7438666A Expired FR2253271B1 (OSRAM) | 1973-11-29 | 1974-11-26 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3875441A (OSRAM) |
| JP (1) | JPS5530663B2 (OSRAM) |
| CA (1) | CA1015020A (OSRAM) |
| DE (1) | DE2456596A1 (OSRAM) |
| FR (1) | FR2253271B1 (OSRAM) |
| GB (1) | GB1494836A (OSRAM) |
| NL (1) | NL180714C (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2508232A1 (fr) * | 1981-06-19 | 1982-12-24 | Hyperelec | Tube photoelectrique a optique correctrice de focalisation electronique |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4006376A (en) * | 1975-02-28 | 1977-02-01 | Rca Corporation | Phototube having improved electron collection efficiency |
| US4079282A (en) * | 1976-01-26 | 1978-03-14 | Rca Corporation | Phototube having apertured electrode recessed in cup-shaped electrode |
| GB1571551A (en) * | 1976-02-04 | 1980-07-16 | Rca Corp | Electron discharge tube having an electron emissive electrode |
| US4306171A (en) * | 1979-08-13 | 1981-12-15 | Rca Corporation | Focusing structure for photomultiplier tubes |
| JPH04315758A (ja) * | 1991-01-14 | 1992-11-06 | Hamamatsu Photonics Kk | 光電子増倍管 |
| CN114999885B (zh) * | 2022-06-10 | 2025-03-11 | 金陵科技学院 | 一种具有高时间分辨率的大面积微通道板光电倍增管 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2160798A (en) * | 1936-11-20 | 1939-05-30 | Bell Telephone Labor Inc | Electron discharge apparatus |
| US2392155A (en) * | 1940-06-27 | 1946-01-01 | Rca Corp | Electron beam tube |
| US2702865A (en) * | 1949-04-02 | 1955-02-22 | Texas Co | Electron multiplier |
| US2908840A (en) * | 1955-09-01 | 1959-10-13 | Rca Corp | Photo-emissive device |
| GB845412A (en) * | 1956-07-18 | 1960-08-24 | Siemens Edison Swan Ltd | Improvements relating to photomultiplier tubes |
| US3244922A (en) * | 1962-11-05 | 1966-04-05 | Itt | Electron multiplier having undulated passage with semiconductive secondary emissive coating |
| JPS4518435Y1 (OSRAM) * | 1966-12-09 | 1970-07-28 | ||
| US3660654A (en) * | 1969-09-15 | 1972-05-02 | Bendix Corp | Mass spectrometer having means compensating electron transit time across the cathode of the electron multiplier |
-
1973
- 1973-11-29 US US420325A patent/US3875441A/en not_active Expired - Lifetime
-
1974
- 1974-10-30 CA CA212,688A patent/CA1015020A/en not_active Expired
- 1974-11-26 FR FR7438666A patent/FR2253271B1/fr not_active Expired
- 1974-11-27 JP JP13696474A patent/JPS5530663B2/ja not_active Expired
- 1974-11-28 NL NLAANVRAGE7415532,A patent/NL180714C/xx not_active IP Right Cessation
- 1974-11-29 DE DE19742456596 patent/DE2456596A1/de not_active Withdrawn
- 1974-11-29 GB GB51813/74A patent/GB1494836A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2508232A1 (fr) * | 1981-06-19 | 1982-12-24 | Hyperelec | Tube photoelectrique a optique correctrice de focalisation electronique |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7415532A (nl) | 1975-06-02 |
| FR2253271B1 (OSRAM) | 1978-09-22 |
| JPS5530663B2 (OSRAM) | 1980-08-12 |
| GB1494836A (en) | 1977-12-14 |
| DE2456596A1 (de) | 1975-06-05 |
| NL180714B (nl) | 1986-11-03 |
| JPS50106559A (OSRAM) | 1975-08-22 |
| CA1015020A (en) | 1977-08-02 |
| AU7567974A (en) | 1976-05-27 |
| NL180714C (nl) | 1987-04-01 |
| US3875441A (en) | 1975-04-01 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |