GB413766A - Indirectly heated cathode - Google Patents
Indirectly heated cathodeInfo
- Publication number
- GB413766A GB413766A GB3061/33A GB306133A GB413766A GB 413766 A GB413766 A GB 413766A GB 3061/33 A GB3061/33 A GB 3061/33A GB 306133 A GB306133 A GB 306133A GB 413766 A GB413766 A GB 413766A
- Authority
- GB
- United Kingdom
- Prior art keywords
- insulating tube
- feb
- coated
- low temperature
- tube
- 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
- 230000004913 activation Effects 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000012986 modification Methods 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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Landscapes
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE413766X | 1932-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB413766A true GB413766A (en) | 1934-07-26 |
Family
ID=6444918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3061/33A Expired GB413766A (en) | 1932-02-02 | 1933-02-01 | Indirectly heated cathode |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB413766A (enrdf_load_stackoverflow) |
| NL (1) | NL38926C (enrdf_load_stackoverflow) |
-
0
- NL NL38926D patent/NL38926C/xx active
-
1933
- 1933-02-01 GB GB3061/33A patent/GB413766A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL38926C (enrdf_load_stackoverflow) |
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