FR588116A - - Google Patents
Info
- Publication number
- FR588116A FR588116A FR588116DA FR588116A FR 588116 A FR588116 A FR 588116A FR 588116D A FR588116D A FR 588116DA FR 588116 A FR588116 A FR 588116A
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
- H01J13/28—Selection of substances for gas filling; Means for obtaining the desired pressure within the tube
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0072—Disassembly or repair of discharge tubes
- H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
- H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
- H01J2893/0086—Gas fill; Maintaining or maintaining desired pressure; Producing, introducing or replenishing gas or vapour during operation of the tube; Getters; Gas cleaning; Electrode cleaning
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR588116A true FR588116A (xx) | 1925-04-30 |
Family
ID=1539960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR588116D Expired FR588116A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR588116A (xx) |
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0
- FR FR588116D patent/FR588116A/fr not_active Expired