GB707285A - Improvements in or relating to electron emitting cathodes - Google Patents
Improvements in or relating to electron emitting cathodesInfo
- Publication number
- GB707285A GB707285A GB30137/52A GB3013752A GB707285A GB 707285 A GB707285 A GB 707285A GB 30137/52 A GB30137/52 A GB 30137/52A GB 3013752 A GB3013752 A GB 3013752A GB 707285 A GB707285 A GB 707285A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tungsten
- plate
- spraying
- mixture
- porous
- 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 8
- 229910052721 tungsten Inorganic materials 0.000 abstract 8
- 239000010937 tungsten Substances 0.000 abstract 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 4
- 229910052751 metal Inorganic materials 0.000 abstract 4
- 239000002184 metal Substances 0.000 abstract 4
- 239000000203 mixture Substances 0.000 abstract 4
- 238000005507 spraying Methods 0.000 abstract 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 2
- 229910052750 molybdenum Inorganic materials 0.000 abstract 2
- 239000011733 molybdenum Substances 0.000 abstract 2
- 229910052757 nitrogen Inorganic materials 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- 229910052715 tantalum Inorganic materials 0.000 abstract 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052788 barium Inorganic materials 0.000 abstract 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000010891 electric arc Methods 0.000 abstract 1
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 abstract 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical class [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Microwave Tubes (AREA)
- Coating By Spraying Or Casting (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1046165T | 1951-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB707285A true GB707285A (en) | 1954-04-14 |
Family
ID=9592108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30137/52A Expired GB707285A (en) | 1951-12-05 | 1952-11-27 | Improvements in or relating to electron emitting cathodes |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE515811A (enrdf_load_stackoverflow) |
| FR (1) | FR1046165A (enrdf_load_stackoverflow) |
| GB (1) | GB707285A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4976644A (en) * | 1988-11-12 | 1990-12-11 | Samsung Electron Devices Co., Ltd. | Manufacturing method for dispenser cathode for an electron gun |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1024171B (de) * | 1953-12-16 | 1958-02-13 | Siemens Ag | Verfahren zur Herstellung von Kathodenkoerpern fuer elektrische Entladungsgefaesse |
| DE1144404B (de) * | 1959-06-23 | 1963-02-28 | Philips Nv | Kathode fuer eine elektrische Entladungsroehre |
-
0
- BE BE515811D patent/BE515811A/xx unknown
-
1951
- 1951-12-05 FR FR1046165D patent/FR1046165A/fr not_active Expired
-
1952
- 1952-11-27 GB GB30137/52A patent/GB707285A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4976644A (en) * | 1988-11-12 | 1990-12-11 | Samsung Electron Devices Co., Ltd. | Manufacturing method for dispenser cathode for an electron gun |
Also Published As
| Publication number | Publication date |
|---|---|
| BE515811A (enrdf_load_stackoverflow) | |
| FR1046165A (fr) | 1953-12-03 |
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