GB818051A - Improvements in or relating to the manufacture of thermionic cathodes - Google Patents
Improvements in or relating to the manufacture of thermionic cathodesInfo
- Publication number
- GB818051A GB818051A GB917256A GB917256A GB818051A GB 818051 A GB818051 A GB 818051A GB 917256 A GB917256 A GB 917256A GB 917256 A GB917256 A GB 917256A GB 818051 A GB818051 A GB 818051A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- manufacture
- thermionic cathodes
- per cent
- thermionic
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 239000003638 reducing agent Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 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
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
-
- 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
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
Abstract
An alloy used as a reducing agent in a thermionic cathode consists of 70 per cent by weight of nickel and 30 per cent silicon.
Publications (1)
Publication Number | Publication Date |
---|---|
GB818051A true GB818051A (en) | 1959-08-12 |
Family
ID=1629679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB917256A Expired GB818051A (en) | 1956-03-23 | Improvements in or relating to the manufacture of thermionic cathodes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB818051A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148056A (en) * | 1962-08-10 | 1964-09-08 | Westinghouse Electric Corp | Cathode |
-
1956
- 1956-03-23 GB GB917256A patent/GB818051A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3148056A (en) * | 1962-08-10 | 1964-09-08 | Westinghouse Electric Corp | Cathode |
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