GB289762A - An improved process for the manufacture of cathodes for electric discharge tubes - Google Patents
An improved process for the manufacture of cathodes for electric discharge tubesInfo
- Publication number
- GB289762A GB289762A GB13022/27A GB1302227A GB289762A GB 289762 A GB289762 A GB 289762A GB 13022/27 A GB13022/27 A GB 13022/27A GB 1302227 A GB1302227 A GB 1302227A GB 289762 A GB289762 A GB 289762A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alloy
- cathode
- alkaline earth
- tubes
- metals
- 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 1
- 238000000034 method Methods 0.000 title 1
- 239000000956 alloy Substances 0.000 abstract 4
- 229910045601 alloy Inorganic materials 0.000 abstract 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 abstract 3
- 150000001342 alkaline earth metals Chemical class 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 3
- 239000002184 metal Substances 0.000 abstract 3
- 229910052788 barium Inorganic materials 0.000 abstract 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 abstract 2
- 150000002739 metals Chemical class 0.000 abstract 2
- 230000008016 vaporization Effects 0.000 abstract 2
- 230000001464 adherent effect Effects 0.000 abstract 1
- IJBYNGRZBZDSDK-UHFFFAOYSA-N barium magnesium Chemical compound [Mg].[Ba] IJBYNGRZBZDSDK-UHFFFAOYSA-N 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 230000001590 oxidative effect Effects 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)
- Solid Thermionic Cathode (AREA)
- Electrolytic Production Of Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT289762X | 1927-04-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB289762A true GB289762A (en) | 1929-01-03 |
Family
ID=3670921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13022/27A Expired GB289762A (en) | 1927-04-30 | 1927-11-18 | An improved process for the manufacture of cathodes for electric discharge tubes |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE348355A (enrdf_load_stackoverflow) |
| DE (1) | DE593719C (enrdf_load_stackoverflow) |
| GB (1) | GB289762A (enrdf_load_stackoverflow) |
-
0
- BE BE348355D patent/BE348355A/xx unknown
-
1927
- 1927-05-18 DE DEV22543D patent/DE593719C/de not_active Expired
- 1927-11-18 GB GB13022/27A patent/GB289762A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE593719C (de) | 1934-03-05 |
| BE348355A (enrdf_load_stackoverflow) |
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