GB1425194A - Nonthermionic electron cathode comprising a heater element - Google Patents
Nonthermionic electron cathode comprising a heater elementInfo
- Publication number
- GB1425194A GB1425194A GB2363373A GB2363373A GB1425194A GB 1425194 A GB1425194 A GB 1425194A GB 2363373 A GB2363373 A GB 2363373A GB 2363373 A GB2363373 A GB 2363373A GB 1425194 A GB1425194 A GB 1425194A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heater
- layers
- photomultiplier
- emissive layer
- structure comprises
- 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
- 238000010438 heat treatment Methods 0.000 abstract 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 abstract 1
- 230000004913 activation Effects 0.000 abstract 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 abstract 1
- 238000010304 firing Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 229910052594 sapphire Inorganic materials 0.000 abstract 1
- 239000010980 sapphire Substances 0.000 abstract 1
- 229910052596 spinel Inorganic materials 0.000 abstract 1
- 239000011029 spinel Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
-
- 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
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/08—Cathode arrangements
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Cold Cathode And The Manufacture (AREA)
- Electron Beam Exposure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25425972A | 1972-05-17 | 1972-05-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1425194A true GB1425194A (en) | 1976-02-18 |
Family
ID=22963565
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2363373A Expired GB1425194A (en) | 1972-05-17 | 1973-05-17 | Nonthermionic electron cathode comprising a heater element |
Country Status (7)
Country | Link |
---|---|
US (1) | US3777209A (enrdf_load_stackoverflow) |
JP (1) | JPS4950863A (enrdf_load_stackoverflow) |
CA (1) | CA998732A (enrdf_load_stackoverflow) |
DE (1) | DE2325136B2 (enrdf_load_stackoverflow) |
FR (1) | FR2184980B1 (enrdf_load_stackoverflow) |
GB (1) | GB1425194A (enrdf_load_stackoverflow) |
NL (1) | NL7306812A (enrdf_load_stackoverflow) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1442075A (en) * | 1974-05-28 | 1976-07-07 | V N I Pk I T Chesky I Elektros | Electrodes for arc and plasma-arc working method and apparatus for coating glassware |
US6259193B1 (en) * | 1998-06-08 | 2001-07-10 | General Electric Company | Emissive filament and support structure |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3066236A (en) * | 1958-05-14 | 1962-11-27 | Int Standard Electric Corp | Electron discharge devices |
GB962926A (en) * | 1962-03-19 | 1964-07-08 | Rank Bush Murphy Ltd | Improvements in thermionic cathodes and in methods of manufacturing such cathodes |
US3330991A (en) * | 1963-07-12 | 1967-07-11 | Raytheon Co | Non-thermionic electron emission devices |
FR1432317A (fr) * | 1964-05-05 | 1966-03-18 | Philips Nv | Procédé de fabrication d'une cathode à chauffage indirect et cathode obtenue par ce procédé |
US3408521A (en) * | 1965-11-22 | 1968-10-29 | Stanford Research Inst | Semiconductor-type photocathode for an infrared device |
-
1957
- 1957-03-22 DE DE19572325136 patent/DE2325136B2/de active Granted
-
1972
- 1972-05-17 US US00254259A patent/US3777209A/en not_active Expired - Lifetime
-
1973
- 1973-05-14 CA CA171,256A patent/CA998732A/en not_active Expired
- 1973-05-16 JP JP5454373A patent/JPS4950863A/ja active Pending
- 1973-05-16 NL NL7306812A patent/NL7306812A/xx unknown
- 1973-05-17 FR FR7317931A patent/FR2184980B1/fr not_active Expired
- 1973-05-17 GB GB2363373A patent/GB1425194A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3777209A (en) | 1973-12-04 |
FR2184980A1 (enrdf_load_stackoverflow) | 1973-12-28 |
FR2184980B1 (enrdf_load_stackoverflow) | 1977-12-30 |
DE2325136B2 (de) | 1977-09-01 |
CA998732A (en) | 1976-10-19 |
NL7306812A (enrdf_load_stackoverflow) | 1973-11-20 |
DE2325136A1 (de) | 1973-11-29 |
DE2325136C3 (enrdf_load_stackoverflow) | 1978-05-11 |
JPS4950863A (enrdf_load_stackoverflow) | 1974-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |