GB496856A - Improvements in the manufacture of highly exhausted discharge tubes - Google Patents
Improvements in the manufacture of highly exhausted discharge tubesInfo
- Publication number
- GB496856A GB496856A GB7157/38A GB715738A GB496856A GB 496856 A GB496856 A GB 496856A GB 7157/38 A GB7157/38 A GB 7157/38A GB 715738 A GB715738 A GB 715738A GB 496856 A GB496856 A GB 496856A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- getter
- envelope
- barium
- compound
- 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
- 239000007789 gas Substances 0.000 abstract 5
- 150000001875 compounds Chemical class 0.000 abstract 4
- 229910052788 barium Inorganic materials 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 2
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 1
- -1 barium nitride Chemical class 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract 1
- 238000000354 decomposition reaction Methods 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000011777 magnesium Substances 0.000 abstract 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052753 mercury Inorganic materials 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/183—Composition or manufacture of getters
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE207012X | 1937-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB496856A true GB496856A (en) | 1938-12-07 |
Family
ID=5793476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7157/38A Expired GB496856A (en) | 1937-03-09 | 1938-03-07 | Improvements in the manufacture of highly exhausted discharge tubes |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH207012A (enrdf_load_stackoverflow) |
GB (1) | GB496856A (enrdf_load_stackoverflow) |
NL (1) | NL50729C (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2540647A (en) * | 1945-05-04 | 1951-02-06 | Hartford Nat Bank & Trust Co | Method of manufacturing electronic tubes with active getters |
US3389288A (en) * | 1965-02-25 | 1968-06-18 | Getters Spa | Gettering device including a getter metal and a gas releasing material |
-
0
- NL NL50729D patent/NL50729C/xx active
-
1938
- 1938-03-07 CH CH207012D patent/CH207012A/de unknown
- 1938-03-07 GB GB7157/38A patent/GB496856A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2540647A (en) * | 1945-05-04 | 1951-02-06 | Hartford Nat Bank & Trust Co | Method of manufacturing electronic tubes with active getters |
US3389288A (en) * | 1965-02-25 | 1968-06-18 | Getters Spa | Gettering device including a getter metal and a gas releasing material |
Also Published As
Publication number | Publication date |
---|---|
CH207012A (de) | 1939-09-15 |
NL50729C (enrdf_load_stackoverflow) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB926387A (en) | Indicator tube | |
GB496856A (en) | Improvements in the manufacture of highly exhausted discharge tubes | |
US1894948A (en) | Manufacture of electron discharge devices | |
GB315704A (en) | Improvements in or relating to luminous electric discharge tubes | |
US2228945A (en) | Electric discharge tube | |
GB542390A (en) | Improvements in or relating to electron discharge apparatus | |
US3784275A (en) | Method of manufacturing an incandescent lamp | |
US1993767A (en) | Space discharge device and method of making it | |
US1752747A (en) | Electron-discharge device and getter therefor | |
US1917044A (en) | Process for manufacturing highly emissive cathodes | |
GB352756A (en) | Improvements in and relating to gaseous electric discharge devices | |
GB203266A (en) | Improvements in or relating to cooling electrodes of x-ray tubes | |
US2054649A (en) | Production of highly electro-positive metals within sealed vessels, such, for example, as thermionic valves | |
GB264258A (en) | Improved process of inserting c?sium or rubidium in an electric discharge tube | |
GB473863A (en) | Improvements in methods of producing electric lamps with high pressure gas fillings | |
US1890402A (en) | Mercury luminescent tube electrode | |
US1758710A (en) | Electron-discharge device | |
US1966254A (en) | Production of active metals | |
GB170569A (en) | Improvements in thermionic devices | |
GB238664A (en) | Improvements relating to evacuated devices and methods of exhausting the same | |
US1659207A (en) | Method of cleaning up residual gases | |
US1485505A (en) | Process for introducing alkali or earth-alkali metals in discharging tubes and the like | |
GB471409A (en) | Improvements in the manufacture of high-vacuum tubes | |
US1552606A (en) | Electron-discharge device | |
US1835117A (en) | Introduction of alkali metals into evacuated containers |