GB274509A - Incandescent cathode for electron discharge tubes - Google Patents
Incandescent cathode for electron discharge tubesInfo
- Publication number
- GB274509A GB274509A GB19054/27A GB1905427A GB274509A GB 274509 A GB274509 A GB 274509A GB 19054/27 A GB19054/27 A GB 19054/27A GB 1905427 A GB1905427 A GB 1905427A GB 274509 A GB274509 A GB 274509A
- Authority
- GB
- United Kingdom
- Prior art keywords
- platinum
- electron discharge
- discharge tubes
- coated
- iridium
- 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
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 2
- 238000000576 coating method Methods 0.000 abstract 2
- 229910052697 platinum Inorganic materials 0.000 abstract 2
- HWLDNSXPUQTBOD-UHFFFAOYSA-N platinum-iridium alloy Chemical compound [Ir].[Pt] HWLDNSXPUQTBOD-UHFFFAOYSA-N 0.000 abstract 2
- 238000007689 inspection Methods 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000000126 substance Substances 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
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE274509X | 1926-07-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB274509A true GB274509A (en) | 1928-10-18 |
Family
ID=6020873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB19054/27A Expired GB274509A (en) | 1926-07-19 | 1927-07-18 | Incandescent cathode for electron discharge tubes |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB274509A (enrdf_load_stackoverflow) |
| NL (1) | NL20977C (enrdf_load_stackoverflow) |
-
0
- NL NL20977D patent/NL20977C/xx active
-
1927
- 1927-07-18 GB GB19054/27A patent/GB274509A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL20977C (enrdf_load_stackoverflow) |
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