FR710617A - Improvements to electron tubes with control electrode - Google Patents
Improvements to electron tubes with control electrodeInfo
- Publication number
- FR710617A FR710617A FR710617DA FR710617A FR 710617 A FR710617 A FR 710617A FR 710617D A FR710617D A FR 710617DA FR 710617 A FR710617 A FR 710617A
- Authority
- FR
- France
- Prior art keywords
- control electrode
- electron tubes
- tubes
- electron
- electrode
- 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—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0019—Chemical composition and manufacture
- H01J2893/002—Chemical composition and manufacture chemical
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE710617X | 1930-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR710617A true FR710617A (en) | 1931-08-27 |
Family
ID=6619083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR710617D Expired FR710617A (en) | 1930-03-29 | 1931-02-05 | Improvements to electron tubes with control electrode |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR710617A (en) |
-
1931
- 1931-02-05 FR FR710617D patent/FR710617A/en not_active Expired
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