CH215769A - Kathode für Elektronenröhren. - Google Patents
Kathode für Elektronenröhren.Info
- Publication number
- CH215769A CH215769A CH215769DA CH215769A CH 215769 A CH215769 A CH 215769A CH 215769D A CH215769D A CH 215769DA CH 215769 A CH215769 A CH 215769A
- Authority
- CH
- Switzerland
- Prior art keywords
- cathode
- electron tubes
- tubes
- electron
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE215769X | 1938-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH215769A true CH215769A (de) | 1941-07-15 |
Family
ID=5825698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH215769D CH215769A (de) | 1938-12-02 | 1939-11-28 | Kathode für Elektronenröhren. |
Country Status (3)
Country | Link |
---|---|
US (1) | US2214902A (de) |
CH (1) | CH215769A (de) |
FR (1) | FR868423A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL69250C (de) * | 1946-03-05 | |||
US2733319A (en) * | 1950-07-14 | 1956-01-31 | Material for electric contacts | |
US2879432A (en) * | 1956-03-16 | 1959-03-24 | Gen Electric | Electron emitter |
US3175904A (en) * | 1961-10-30 | 1965-03-30 | New England Materials Lab Inc | Dispersion strengthening of platinumbase alloys |
-
1939
- 1939-11-28 CH CH215769D patent/CH215769A/de unknown
- 1939-12-27 US US311136A patent/US2214902A/en not_active Expired - Lifetime
-
1940
- 1940-12-27 FR FR868423D patent/FR868423A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2214902A (en) | 1940-09-17 |
FR868423A (fr) | 1941-12-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CH213806A (de) | Braunsche Röhre für grosse Stromstärken. | |
CH220849A (de) | Kathodenstrahlröhre. | |
CH220324A (de) | Elektronenmikroskop. | |
CH222663A (de) | Ablenkspulensystem für Kathodenstrahlröhren. | |
CH215769A (de) | Kathode für Elektronenröhren. | |
CH255241A (de) | Kathodenstrahlröhre. | |
CH206302A (de) | Elektronen-Multiplikatorröhre. | |
FR859226A (fr) | Tube à luminescence cathodique | |
CH219289A (de) | Elektronenmikroskop. | |
CH231847A (de) | Elektronenvervielfacher. | |
FR841997A (fr) | Cathode pour tubes électroniques | |
CH211724A (de) | Kathodenstrahlröhre. | |
CH219290A (de) | Elektronenmikroskop. | |
CH219006A (de) | Kathodenstrahlröhre. | |
CH217878A (de) | Kathode für Ultrakurzwellenröhren. | |
CH211061A (de) | Elektronenvervielfacher. | |
DK59246C (da) | Elektronmultiplikatorrør. | |
DK56465C (da) | Katodestraalerør. | |
CH208248A (de) | Entladungsgefäss, insbesondere für Elektronenröhren. | |
DK59731C (da) | Fremgangsmaade til Fremstilling af Elektronstraalerør. | |
DK55471C (da) | Elektronrørskobling. | |
FR878777A (fr) | Tube électronique | |
DK75399C (da) | Elektronrør til ultrahøjfrekvente strømme. | |
FR939450A (fr) | Tubes électroniques à refroidissement | |
CH216059A (de) | Hochstromkathode für Senderöhren. |