FR65749E - - Google Patents
Info
- Publication number
- FR65749E FR65749E FR65749DA FR65749E FR 65749 E FR65749 E FR 65749E FR 65749D A FR65749D A FR 65749DA FR 65749 E FR65749 E FR 65749E
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/066—Cold cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR65749E true FR65749E (en) | 1956-03-12 |
Family
ID=1363857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR65749D Expired FR65749E (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR65749E (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1254427B (en) * | 1963-02-11 | 1967-11-16 | Philips Nv | Process for the production of a lanthanum coating on electrodes for glow lamps or glow generators |
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0
- FR FR65749D patent/FR65749E/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1254427B (en) * | 1963-02-11 | 1967-11-16 | Philips Nv | Process for the production of a lanthanum coating on electrodes for glow lamps or glow generators |