DE2509180A1 - Verfahren zum aktivieren einer elektronenemittierenden multialkali- kathodenschicht - Google Patents
Verfahren zum aktivieren einer elektronenemittierenden multialkali- kathodenschichtInfo
- Publication number
- DE2509180A1 DE2509180A1 DE19752509180 DE2509180A DE2509180A1 DE 2509180 A1 DE2509180 A1 DE 2509180A1 DE 19752509180 DE19752509180 DE 19752509180 DE 2509180 A DE2509180 A DE 2509180A DE 2509180 A1 DE2509180 A1 DE 2509180A1
- Authority
- DE
- Germany
- Prior art keywords
- tube
- vapor
- cathode layer
- cesium
- potassium
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims description 21
- 230000003213 activating effect Effects 0.000 title claims description 6
- 229910052792 caesium Inorganic materials 0.000 claims description 27
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 27
- 229910052787 antimony Inorganic materials 0.000 claims description 21
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 21
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 18
- 229910052700 potassium Inorganic materials 0.000 claims description 18
- 239000011591 potassium Substances 0.000 claims description 18
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 17
- 229910052708 sodium Inorganic materials 0.000 claims description 17
- 239000011734 sodium Substances 0.000 claims description 17
- 206010034972 Photosensitivity reaction Diseases 0.000 claims description 16
- 230000036211 photosensitivity Effects 0.000 claims description 16
- 230000008020 evaporation Effects 0.000 claims description 8
- 238000001704 evaporation Methods 0.000 claims description 8
- 239000003513 alkali Substances 0.000 claims description 5
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 150000001340 alkali metals Chemical class 0.000 claims description 3
- -1 cesium is formed Chemical compound 0.000 claims description 2
- 238000005019 vapor deposition process Methods 0.000 claims 1
- 238000001994 activation Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 239000006200 vaporizer Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- 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)
- Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US447936A US3884539A (en) | 1972-12-11 | 1974-03-04 | Method of making a multialkali electron emissive layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2509180A1 true DE2509180A1 (de) | 1975-09-11 |
Family
ID=23778350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752509180 Ceased DE2509180A1 (de) | 1974-03-04 | 1975-03-03 | Verfahren zum aktivieren einer elektronenemittierenden multialkali- kathodenschicht |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS5750024B2 (enExample) |
| DE (1) | DE2509180A1 (enExample) |
| GB (1) | GB1495859A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3217405A1 (de) * | 1981-05-20 | 1982-12-09 | Naamloze Vennootschap Philips' Gloeilampenfabrieken, 5621 Eindhoven | Elektronenvervielfachungsstruktur, verfahren zum herstellen einer derartigen struktur und ihre anwendung in einer fotoelektrischen roehre |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112802726B (zh) * | 2021-01-14 | 2023-04-11 | 北方夜视技术股份有限公司 | 一种提高多碱光电阴极灵敏度均匀性的方法 |
-
1975
- 1975-03-03 JP JP2642575A patent/JPS5750024B2/ja not_active Expired
- 1975-03-03 DE DE19752509180 patent/DE2509180A1/de not_active Ceased
- 1975-03-04 GB GB897875A patent/GB1495859A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3217405A1 (de) * | 1981-05-20 | 1982-12-09 | Naamloze Vennootschap Philips' Gloeilampenfabrieken, 5621 Eindhoven | Elektronenvervielfachungsstruktur, verfahren zum herstellen einer derartigen struktur und ihre anwendung in einer fotoelektrischen roehre |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5750024B2 (enExample) | 1982-10-25 |
| JPS50122163A (enExample) | 1975-09-25 |
| GB1495859A (en) | 1977-12-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OI | Miscellaneous see part 1 | ||
| 8131 | Rejection |