FR2294542A1 - Electrode comportant une couche a emission secondaire - Google Patents
Electrode comportant une couche a emission secondaireInfo
- Publication number
- FR2294542A1 FR2294542A1 FR7538122A FR7538122A FR2294542A1 FR 2294542 A1 FR2294542 A1 FR 2294542A1 FR 7538122 A FR7538122 A FR 7538122A FR 7538122 A FR7538122 A FR 7538122A FR 2294542 A1 FR2294542 A1 FR 2294542A1
- Authority
- FR
- France
- Prior art keywords
- emission layer
- electrode containing
- secondary emission
- electrode
- layer
- 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.)
- 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
- H01J43/243—Dynodes consisting of a piling-up of channel-type dynode plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
- H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/32—Secondary emission electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physical Vapour Deposition (AREA)
- Electron Tubes For Measurement (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5400674A GB1523730A (en) | 1974-12-13 | 1974-12-13 | Secondaryemissive layers |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2294542A1 true FR2294542A1 (fr) | 1976-07-09 |
FR2294542B1 FR2294542B1 (fr) | 1980-06-13 |
Family
ID=10469661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7538122A Granted FR2294542A1 (fr) | 1974-12-13 | 1975-12-12 | Electrode comportant une couche a emission secondaire |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5835337B2 (fr) |
CA (1) | CA1038013A (fr) |
DE (1) | DE2554030C2 (fr) |
FR (1) | FR2294542A1 (fr) |
GB (1) | GB1523730A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2453494A1 (fr) * | 1979-04-02 | 1980-10-31 | Philips Nv | Methode permettant de former un recouvrement a emission secondaire sur une dynode |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2023333B (en) * | 1978-06-14 | 1982-09-08 | Philips Electronic Associated | Electron multipliers |
GB2023332B (en) * | 1978-06-14 | 1982-10-27 | Philips Electronic Associated | Electron multipliers |
EP0490154A3 (en) * | 1990-12-07 | 1992-09-30 | Siemens Aktiengesellschaft | Method for determining the charge of a sample region |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3672989A (en) * | 1968-08-03 | 1972-06-27 | Japan Broadcasting Corp | Porous layer of a secondary electron multiplier and a method of manufacturing the same |
JPS4833348A (fr) * | 1971-08-31 | 1973-05-09 |
-
1974
- 1974-12-13 GB GB5400674A patent/GB1523730A/en not_active Expired
-
1975
- 1975-12-02 DE DE19752554030 patent/DE2554030C2/de not_active Expired
- 1975-12-10 JP JP50146488A patent/JPS5835337B2/ja not_active Expired
- 1975-12-10 CA CA241,448A patent/CA1038013A/fr not_active Expired
- 1975-12-12 FR FR7538122A patent/FR2294542A1/fr active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2453494A1 (fr) * | 1979-04-02 | 1980-10-31 | Philips Nv | Methode permettant de former un recouvrement a emission secondaire sur une dynode |
Also Published As
Publication number | Publication date |
---|---|
JPS5177167A (fr) | 1976-07-03 |
DE2554030A1 (de) | 1976-06-16 |
JPS5835337B2 (ja) | 1983-08-02 |
FR2294542B1 (fr) | 1980-06-13 |
GB1523730A (en) | 1978-09-06 |
CA1038013A (fr) | 1978-09-05 |
DE2554030C2 (de) | 1982-10-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
DR | Decision of the appeal court due to an appeal at law against decisions of the director of the inpi, except decision of lapse | ||
ST | Notification of lapse |