DE625602C - Mittelbar geheizte Kathode fuer elektrische Entladungsroehren - Google Patents
Mittelbar geheizte Kathode fuer elektrische EntladungsroehrenInfo
- Publication number
- DE625602C DE625602C DE1930625602D DE625602DD DE625602C DE 625602 C DE625602 C DE 625602C DE 1930625602 D DE1930625602 D DE 1930625602D DE 625602D D DE625602D D DE 625602DD DE 625602 C DE625602 C DE 625602C
- Authority
- DE
- Germany
- Prior art keywords
- indirectly heated
- heated cathode
- cathode according
- cylinder
- 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
- 238000010438 heat treatment Methods 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 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
- Solid Thermionic Cathode (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL362627X | 1930-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE625602C true DE625602C (de) | 1936-02-12 |
Family
ID=19785436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1930625602D Expired DE625602C (de) | 1930-01-22 | 1930-12-24 | Mittelbar geheizte Kathode fuer elektrische Entladungsroehren |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US1875106A (instruction) |
| DE (1) | DE625602C (instruction) |
| FR (1) | FR708235A (instruction) |
| GB (1) | GB362627A (instruction) |
| NL (1) | NL28875C (instruction) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1113269B (de) * | 1955-06-10 | 1961-08-31 | Vickers Electrical Co Ltd | Verfahren zur Herstellung einer indirekt geheizten Kathode fuer elektrische Entladungsroehren |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2456579A (en) * | 1942-10-30 | 1948-12-14 | Rca Corp | Electron discharge device for ultra high frequencies |
-
0
- NL NL28875D patent/NL28875C/xx active
-
1930
- 1930-11-12 GB GB34062/30A patent/GB362627A/en not_active Expired
- 1930-11-15 US US495806A patent/US1875106A/en not_active Expired - Lifetime
- 1930-12-22 FR FR708235D patent/FR708235A/fr not_active Expired
- 1930-12-24 DE DE1930625602D patent/DE625602C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1113269B (de) * | 1955-06-10 | 1961-08-31 | Vickers Electrical Co Ltd | Verfahren zur Herstellung einer indirekt geheizten Kathode fuer elektrische Entladungsroehren |
Also Published As
| Publication number | Publication date |
|---|---|
| FR708235A (fr) | 1931-07-21 |
| US1875106A (en) | 1932-08-30 |
| NL28875C (instruction) | |
| GB362627A (en) | 1931-12-10 |
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