FR945455A - Perfectionnements aux scellements de tubes à vide - Google Patents
Perfectionnements aux scellements de tubes à videInfo
- Publication number
- FR945455A FR945455A FR945455DA FR945455A FR 945455 A FR945455 A FR 945455A FR 945455D A FR945455D A FR 945455DA FR 945455 A FR945455 A FR 945455A
- Authority
- FR
- France
- Prior art keywords
- vacuum tube
- tube seals
- seals
- vacuum
- tube
- 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
- H01J61/00—Gas-discharge 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/02—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing by fusing glass directly to metal
-
- 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
- H01J19/02—Electron-emitting electrodes; Cathodes
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US619568XA | 1945-04-20 | 1945-04-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR945455A true FR945455A (fr) | 1949-05-05 |
Family
ID=22039283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR945455D Expired FR945455A (fr) | 1945-04-20 | 1947-02-27 | Perfectionnements aux scellements de tubes à vide |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR945455A (fr) |
GB (1) | GB619568A (fr) |
-
1946
- 1946-12-12 GB GB36756/46A patent/GB619568A/en not_active Expired
-
1947
- 1947-02-27 FR FR945455D patent/FR945455A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB619568A (en) | 1949-03-10 |
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