GB1217477A - Improved photocathode - Google Patents
Improved photocathodeInfo
- Publication number
- GB1217477A GB1217477A GB442969A GB442969A GB1217477A GB 1217477 A GB1217477 A GB 1217477A GB 442969 A GB442969 A GB 442969A GB 442969 A GB442969 A GB 442969A GB 1217477 A GB1217477 A GB 1217477A
- Authority
- GB
- United Kingdom
- Prior art keywords
- grid
- glass
- transparency
- jan
- photo
- 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.)
- Expired
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 4
- 239000011521 glass Substances 0.000 abstract 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- 229910002804 graphite Inorganic materials 0.000 abstract 2
- 239000010439 graphite Substances 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 230000001680 brushing effect Effects 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- 239000012153 distilled water Substances 0.000 abstract 1
- 238000005323 electroforming Methods 0.000 abstract 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 230000005499 meniscus Effects 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052709 silver Inorganic materials 0.000 abstract 1
- 239000004332 silver Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
- H01J29/36—Photoelectric screens; Charge-storage screens
- H01J29/38—Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
-
- 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
- H01J1/34—Photo-emissive cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
- H01J40/02—Details
- H01J40/04—Electrodes
- H01J40/06—Photo-emissive cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/34—Photoemissive electrodes
- H01J2201/342—Cathodes
- H01J2201/3421—Composition of the emitting surface
- H01J2201/3426—Alkaline metal compounds, e.g. Na-K-Sb
Landscapes
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR138071 | 1968-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1217477A true GB1217477A (en) | 1970-12-31 |
Family
ID=8645332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB442969A Expired GB1217477A (en) | 1968-01-31 | 1969-01-27 | Improved photocathode |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1904467A1 (enExample) |
| FR (1) | FR1566316A (enExample) |
| GB (1) | GB1217477A (enExample) |
| NL (1) | NL6901416A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2157884A (en) * | 1981-11-30 | 1985-10-30 | Thermo Electron Corp | Photoemissive cathode for high current density photoelectron generators |
| WO2004112072A3 (en) * | 2003-05-29 | 2008-04-03 | Nova Scientific Inc | Electron multipliers and radiation detectors |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7508791A (nl) * | 1975-07-23 | 1977-01-25 | Optische Ind De Oude Delft Nv | Beeldversterkerbuis van het proximity focus type. |
-
1968
- 1968-01-31 FR FR1566316D patent/FR1566316A/fr not_active Expired
-
1969
- 1969-01-27 GB GB442969A patent/GB1217477A/en not_active Expired
- 1969-01-29 NL NL6901416A patent/NL6901416A/xx unknown
- 1969-01-30 DE DE19691904467 patent/DE1904467A1/de active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2157884A (en) * | 1981-11-30 | 1985-10-30 | Thermo Electron Corp | Photoemissive cathode for high current density photoelectron generators |
| WO2004112072A3 (en) * | 2003-05-29 | 2008-04-03 | Nova Scientific Inc | Electron multipliers and radiation detectors |
| US7508131B2 (en) * | 2003-05-29 | 2009-03-24 | Nova Scientific, Inc. | Electron multipliers and radiation detectors |
| US7990032B2 (en) | 2003-05-29 | 2011-08-02 | Nova Scientific, Inc. | Electron multipliers and microchannel plates |
| US8221181B2 (en) | 2003-05-29 | 2012-07-17 | Nova Scientific, Inc. | Electron multipliers and microchannel plates |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1904467A1 (de) | 1969-08-28 |
| FR1566316A (enExample) | 1969-05-09 |
| NL6901416A (enExample) | 1969-08-04 |
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