GB519362A - Electrode for electric discharge tubes - Google Patents
Electrode for electric discharge tubesInfo
- Publication number
- GB519362A GB519362A GB714/39A GB71439A GB519362A GB 519362 A GB519362 A GB 519362A GB 714/39 A GB714/39 A GB 714/39A GB 71439 A GB71439 A GB 71439A GB 519362 A GB519362 A GB 519362A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electrode
- tantalum
- emissive material
- helix
- electric discharge
- 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
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 2
- 229910052715 tantalum Inorganic materials 0.000 abstract 2
- 230000004913 activation Effects 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
Landscapes
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU223649X | 1938-12-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB519362A true GB519362A (en) | 1940-03-21 |
Family
ID=19732406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB714/39A Expired GB519362A (en) | 1938-12-12 | 1939-01-09 | Electrode for electric discharge tubes |
Country Status (4)
-
0
- BE BE437154D patent/BE437154A/xx unknown
-
1939
- 1939-01-09 GB GB714/39A patent/GB519362A/en not_active Expired
- 1939-11-25 FR FR861887D patent/FR861887A/fr not_active Expired
- 1939-11-27 CH CH223649D patent/CH223649A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE437154A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| FR861887A (fr) | 1941-02-19 |
| CH223649A (fr) | 1942-09-30 |
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