FR416923A - Electrodes for rare earth tubes geissler - Google Patents
Electrodes for rare earth tubes geisslerInfo
- Publication number
- FR416923A FR416923A FR416923DA FR416923A FR 416923 A FR416923 A FR 416923A FR 416923D A FR416923D A FR 416923DA FR 416923 A FR416923 A FR 416923A
- Authority
- FR
- FRANCE
- Prior art keywords
- geissler
- electrodes
- rare earth
- earth tubes
- tubes
- 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
Classifications
-
- H—ELECTRICITY
- H01—BASIC ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas- or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR416923T | 1910-06-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR416923A true FR416923A (en) | 1910-11-02 |
Family
ID=1460377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR416923D Expired FR416923A (en) | 1910-06-09 | 1910-06-09 | Electrodes for rare earth tubes geissler |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR416923A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997005639A1 (en) * | 1995-07-31 | 1997-02-13 | Casio Computer Co., Ltd. | Electron-emitting electrode, method of manufacturing the same, and light-emitting device having the same |
-
1910
- 1910-06-09 FR FR416923D patent/FR416923A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997005639A1 (en) * | 1995-07-31 | 1997-02-13 | Casio Computer Co., Ltd. | Electron-emitting electrode, method of manufacturing the same, and light-emitting device having the same |
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