FR2134030A1 - - Google Patents
Info
- Publication number
- FR2134030A1 FR2134030A1 FR7214222A FR7214222A FR2134030A1 FR 2134030 A1 FR2134030 A1 FR 2134030A1 FR 7214222 A FR7214222 A FR 7214222A FR 7214222 A FR7214222 A FR 7214222A FR 2134030 A1 FR2134030 A1 FR 2134030A1
- 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
- H01J43/18—Electrode arrangements using essentially more than one dynode
- H01J43/24—Dynodes having potential gradient along their surfaces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
- H01J31/50—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output
- H01J31/506—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output tubes using secondary emission effect
- H01J31/507—Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output tubes using secondary emission effect using a large number of channels, e.g. microchannel plates
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1068871 | 1971-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2134030A1 true FR2134030A1 (https=) | 1972-12-01 |
| FR2134030B1 FR2134030B1 (https=) | 1976-10-29 |
Family
ID=9972464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7214222A Expired FR2134030B1 (https=) | 1971-04-22 | 1972-04-21 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2219015A1 (https=) |
| FR (1) | FR2134030B1 (https=) |
| GB (1) | GB1321022A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4701618A (en) * | 1985-05-28 | 1987-10-20 | Galileo Electro-Optics Corp. | Middle-infrared imaging device |
| FR2592523A1 (fr) * | 1985-12-31 | 1987-07-03 | Hyperelec Sa | Element multiplicateur a haute efficacite de collection dispositif multiplicateur comportant cet element multiplicateur, application a un tube photomultiplicateur et procede de realisation |
-
1971
- 1971-04-22 GB GB1321022D patent/GB1321022A/en not_active Expired
-
1972
- 1972-04-19 DE DE19722219015 patent/DE2219015A1/de active Pending
- 1972-04-21 FR FR7214222A patent/FR2134030B1/fr not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2219015A1 (de) | 1972-10-26 |
| GB1321022A (en) | 1973-06-20 |
| FR2134030B1 (https=) | 1976-10-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |