GB713709A - Method of forming a coating on the emissive materials of an electrode for electric discharge apparatus - Google Patents
Method of forming a coating on the emissive materials of an electrode for electric discharge apparatusInfo
- Publication number
- GB713709A GB713709A GB14215/52A GB1421552A GB713709A GB 713709 A GB713709 A GB 713709A GB 14215/52 A GB14215/52 A GB 14215/52A GB 1421552 A GB1421552 A GB 1421552A GB 713709 A GB713709 A GB 713709A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- coating
- emissive
- coated
- poorly
- 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
- 239000011248 coating agent Substances 0.000 title abstract 4
- 238000000576 coating method Methods 0.000 title abstract 4
- 239000000463 material Substances 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- 230000004913 activation Effects 0.000 abstract 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- ZJRXSAYFZMGQFP-UHFFFAOYSA-N barium peroxide Chemical compound [Ba+2].[O-][O-] ZJRXSAYFZMGQFP-UHFFFAOYSA-N 0.000 abstract 1
- 229910052790 beryllium Inorganic materials 0.000 abstract 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 abstract 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 1
- 239000007772 electrode material Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 150000004677 hydrates Chemical class 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- 239000000395 magnesium oxide Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052750 molybdenum Inorganic materials 0.000 abstract 1
- 239000011733 molybdenum Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 239000000047 product Substances 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 238000004544 sputter deposition Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-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
- H01J9/042—Manufacture, activation of the emissive part
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR964793X | 1951-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB713709A true GB713709A (en) | 1954-08-18 |
Family
ID=9499566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB14215/52A Expired GB713709A (en) | 1951-06-08 | 1952-06-05 | Method of forming a coating on the emissive materials of an electrode for electric discharge apparatus |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2753615A (enrdf_load_stackoverflow) |
| BE (1) | BE511706A (enrdf_load_stackoverflow) |
| CH (1) | CH302721A (enrdf_load_stackoverflow) |
| DE (1) | DE964793C (enrdf_load_stackoverflow) |
| FR (1) | FR1038245A (enrdf_load_stackoverflow) |
| GB (1) | GB713709A (enrdf_load_stackoverflow) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2872611A (en) * | 1953-11-16 | 1959-02-03 | Sylvania Electric Prod | Cathode |
| NL237157A (enrdf_load_stackoverflow) * | 1958-03-17 | |||
| US3018404A (en) * | 1958-03-27 | 1962-01-23 | Raytheon Co | Electron tube cathodes |
| US2932757A (en) * | 1958-04-04 | 1960-04-12 | Rca Corp | High transconductance electron tube |
| US3041210A (en) * | 1959-12-02 | 1962-06-26 | Tung Sol Electric Inc | Method of making cold cathodes for vacuum tubes and article |
| US3226806A (en) * | 1960-03-18 | 1966-01-04 | Eitel Mccullough Inc | Method of making a cathode heater assembly |
| US3210589A (en) * | 1960-04-28 | 1965-10-05 | Westinghouse Electric Corp | Electric incandescent lamp having filament of partially recrystallized fibrous structure |
| US3184636A (en) * | 1961-06-15 | 1965-05-18 | Sylvania Electric Prod | Cold cathode |
| US3525135A (en) * | 1964-04-16 | 1970-08-25 | Gen Electric | Thermionic cathode |
| DE1120016B (de) * | 1964-07-08 | 1961-12-21 | Elger 1 Alpenlaendisches Unter | Nicht geheizte Elektrode, insbesondere fuer Niederspannungsleuchtstofflampen, sowie Lampe mit solchen Elektroden |
| US5585694A (en) * | 1990-12-04 | 1996-12-17 | North American Philips Corporation | Low pressure discharge lamp having sintered "cold cathode" discharge electrodes |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2142331A (en) * | 1935-03-09 | 1939-01-03 | Bell Telephone Labor Inc | Electron emitting cathode |
| US2249672A (en) * | 1936-12-10 | 1941-07-15 | Gen Electric | Discharge device |
| CH209750A (de) * | 1937-09-25 | 1940-04-30 | Lorenz C Ag | Verfahren zur Herstellung einer Entladungsröhre. |
| US2317754A (en) * | 1940-07-31 | 1943-04-27 | Gorlich Paul | Method of producing secondary electron emitting cathodes |
| BE461895A (enrdf_load_stackoverflow) * | 1944-01-17 | |||
| NL77182C (enrdf_load_stackoverflow) * | 1948-12-04 |
-
0
- BE BE511706D patent/BE511706A/xx unknown
-
1951
- 1951-06-08 FR FR1038245D patent/FR1038245A/fr not_active Expired
-
1952
- 1952-05-28 CH CH302721D patent/CH302721A/fr unknown
- 1952-06-04 DE DEE5569A patent/DE964793C/de not_active Expired
- 1952-06-05 GB GB14215/52A patent/GB713709A/en not_active Expired
- 1952-06-06 US US292216A patent/US2753615A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CH302721A (fr) | 1954-10-31 |
| BE511706A (enrdf_load_stackoverflow) | |
| US2753615A (en) | 1956-07-10 |
| FR1038245A (fr) | 1953-09-25 |
| DE964793C (de) | 1957-05-29 |
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