GB1159233A - Method of Manufacturing an Indirectly Heated Cathode - Google Patents
Method of Manufacturing an Indirectly Heated CathodeInfo
- Publication number
- GB1159233A GB1159233A GB3245/68A GB324568A GB1159233A GB 1159233 A GB1159233 A GB 1159233A GB 3245/68 A GB3245/68 A GB 3245/68A GB 324568 A GB324568 A GB 324568A GB 1159233 A GB1159233 A GB 1159233A
- Authority
- GB
- United Kingdom
- Prior art keywords
- support
- holder
- emissive material
- suspension
- heating element
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 4
- 239000000463 material Substances 0.000 abstract 4
- 229910052751 metal Inorganic materials 0.000 abstract 4
- 239000002184 metal Substances 0.000 abstract 4
- 239000000843 powder Substances 0.000 abstract 4
- 239000000725 suspension Substances 0.000 abstract 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 3
- 229910052721 tungsten Inorganic materials 0.000 abstract 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 abstract 2
- 229910052759 nickel Inorganic materials 0.000 abstract 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 2
- 239000010937 tungsten Substances 0.000 abstract 2
- 239000000020 Nitrocellulose Substances 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 229920001220 nitrocellulos Polymers 0.000 abstract 1
- 229910052763 palladium Inorganic materials 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- NEDFZELJKGZAQF-UHFFFAOYSA-J strontium;barium(2+);dicarbonate Chemical compound [Sr+2].[Ba+2].[O-]C([O-])=O.[O-]C([O-])=O NEDFZELJKGZAQF-UHFFFAOYSA-J 0.000 abstract 1
- 238000003466 welding Methods 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)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6701138A NL6701138A (enrdf_load_stackoverflow) | 1967-01-25 | 1967-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1159233A true GB1159233A (en) | 1969-07-23 |
Family
ID=19799112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3245/68A Expired GB1159233A (en) | 1967-01-25 | 1968-01-22 | Method of Manufacturing an Indirectly Heated Cathode |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3574910A (enrdf_load_stackoverflow) |
| AT (1) | AT276575B (enrdf_load_stackoverflow) |
| BE (1) | BE709773A (enrdf_load_stackoverflow) |
| CH (1) | CH470077A (enrdf_load_stackoverflow) |
| DK (1) | DK118299B (enrdf_load_stackoverflow) |
| ES (1) | ES349611A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1555931A (enrdf_load_stackoverflow) |
| GB (1) | GB1159233A (enrdf_load_stackoverflow) |
| NL (1) | NL6701138A (enrdf_load_stackoverflow) |
| SE (1) | SE325341B (enrdf_load_stackoverflow) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3117249A (en) * | 1960-02-16 | 1964-01-07 | Sperry Rand Corp | Embedded heater cathode |
| NL274464A (enrdf_load_stackoverflow) * | 1961-02-07 | |||
| AT265448B (de) * | 1963-04-30 | 1968-10-10 | Matsushita Electronics Corp | Verfahren zur Herstellung flacher Kathoden für Elektronenröhren |
| GB1052995A (enrdf_load_stackoverflow) * | 1963-10-24 |
-
1967
- 1967-01-25 NL NL6701138A patent/NL6701138A/xx unknown
- 1967-12-21 DK DK644767AA patent/DK118299B/da unknown
-
1968
- 1968-01-03 US US695410A patent/US3574910A/en not_active Expired - Lifetime
- 1968-01-22 CH CH98568A patent/CH470077A/de unknown
- 1968-01-22 AT AT62068A patent/AT276575B/de active
- 1968-01-22 ES ES349611A patent/ES349611A1/es not_active Expired
- 1968-01-22 GB GB3245/68A patent/GB1159233A/en not_active Expired
- 1968-01-22 SE SE00830/68A patent/SE325341B/xx unknown
- 1968-01-23 BE BE709773D patent/BE709773A/xx unknown
- 1968-01-25 FR FR1555931D patent/FR1555931A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE709773A (enrdf_load_stackoverflow) | 1968-07-23 |
| ES349611A1 (es) | 1969-10-01 |
| NL6701138A (enrdf_load_stackoverflow) | 1968-07-26 |
| US3574910A (en) | 1971-04-13 |
| DE1614307A1 (de) | 1970-07-09 |
| SE325341B (enrdf_load_stackoverflow) | 1970-06-29 |
| FR1555931A (enrdf_load_stackoverflow) | 1969-01-31 |
| DK118299B (da) | 1970-08-03 |
| DE1614307B2 (de) | 1976-01-02 |
| CH470077A (de) | 1969-03-15 |
| AT276575B (de) | 1969-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |