GB1164413A - Cathode Assembly - Google Patents
Cathode AssemblyInfo
- Publication number
- GB1164413A GB1164413A GB565168A GB565168A GB1164413A GB 1164413 A GB1164413 A GB 1164413A GB 565168 A GB565168 A GB 565168A GB 565168 A GB565168 A GB 565168A GB 1164413 A GB1164413 A GB 1164413A
- Authority
- GB
- United Kingdom
- Prior art keywords
- osmium
- per cent
- atom per
- tungsten
- dispenser cathode
- 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 4
- 229910052721 tungsten Inorganic materials 0.000 abstract 3
- 239000010937 tungsten Substances 0.000 abstract 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract 2
- 229910045601 alloy Inorganic materials 0.000 abstract 2
- 239000000956 alloy Substances 0.000 abstract 2
- ILNKLXHFYKXPKY-UHFFFAOYSA-N iridium osmium Chemical compound [Os].[Ir] ILNKLXHFYKXPKY-UHFFFAOYSA-N 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 229910052762 osmium Inorganic materials 0.000 abstract 2
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 abstract 2
- 238000004544 sputter deposition Methods 0.000 abstract 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910000575 Ir alloy Inorganic materials 0.000 abstract 1
- 229910000929 Ru alloy Inorganic materials 0.000 abstract 1
- 230000003213 activating effect Effects 0.000 abstract 1
- 150000004645 aluminates Chemical class 0.000 abstract 1
- 229910052786 argon Inorganic materials 0.000 abstract 1
- 150000001553 barium compounds Chemical class 0.000 abstract 1
- 239000010406 cathode material Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- GIDFDWJDIHKDMB-UHFFFAOYSA-N osmium ruthenium Chemical compound [Ru].[Os] GIDFDWJDIHKDMB-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- 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
-
- 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
Landscapes
- Solid Thermionic Cathode (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6701867A NL154360B (nl) | 1967-02-08 | 1967-02-08 | Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis. |
| NL686800278A NL154047B (nl) | 1968-01-09 | 1968-01-09 | Elektrische ontladingsbuis met een kathode die in het inwendige activeringsmateriaal bevat, en kathode bestemd voor een dergelijke ontladingsbuis. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1164413A true GB1164413A (en) | 1969-09-17 |
Family
ID=26644145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB565168A Expired GB1164413A (en) | 1967-02-08 | 1968-02-05 | Cathode Assembly |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH477756A (enExample) |
| FR (1) | FR1555031A (enExample) |
| GB (1) | GB1164413A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004424A1 (en) * | 1978-03-23 | 1979-10-03 | Thorn Emi-Varian Limited | Thermionic cathode |
| EP0028954A1 (fr) * | 1979-11-09 | 1981-05-20 | Thomson-Csf | Cathode thermo-ionique, son procédé de fabrication et tube électronique incorporant une telle cathode |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH629033A5 (de) * | 1978-05-05 | 1982-03-31 | Bbc Brown Boveri & Cie | Gluehkathode. |
| DE2822665A1 (de) * | 1978-05-05 | 1979-11-08 | Bbc Brown Boveri & Cie | Gluehkathodenmaterial |
-
1968
- 1968-02-05 GB GB565168A patent/GB1164413A/en not_active Expired
- 1968-02-05 CH CH166068A patent/CH477756A/de not_active IP Right Cessation
- 1968-02-07 FR FR1555031D patent/FR1555031A/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0004424A1 (en) * | 1978-03-23 | 1979-10-03 | Thorn Emi-Varian Limited | Thermionic cathode |
| EP0028954A1 (fr) * | 1979-11-09 | 1981-05-20 | Thomson-Csf | Cathode thermo-ionique, son procédé de fabrication et tube électronique incorporant une telle cathode |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1639344B2 (de) | 1976-02-12 |
| FR1555031A (enExample) | 1969-01-24 |
| CH477756A (de) | 1969-08-31 |
| DE1639344A1 (de) | 1971-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |