FI772508A - Grundmetallplaotmaterial foer direkt gloedgade oxikatoder - Google Patents
Grundmetallplaotmaterial foer direkt gloedgade oxikatoderInfo
- Publication number
- FI772508A FI772508A FI772508A FI772508A FI772508A FI 772508 A FI772508 A FI 772508A FI 772508 A FI772508 A FI 772508A FI 772508 A FI772508 A FI 772508A FI 772508 A FI772508 A FI 772508A
- Authority
- FI
- Finland
- Prior art keywords
- oxikatoder
- grundmetallplaotmaterial
- gloedgade
- direkt
- foer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11310576A JPS5339054A (en) | 1976-09-22 | 1976-09-22 | Basement metal plate material for direct heated oxide cathode |
Publications (1)
Publication Number | Publication Date |
---|---|
FI772508A true FI772508A (fi) | 1978-03-23 |
Family
ID=14603601
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI772508A FI772508A (fi) | 1976-09-22 | 1977-08-23 | Grundmetallplaotmaterial foer direkt gloedgade oxikatoder |
Country Status (5)
Country | Link |
---|---|
US (1) | US4146393A (fi) |
JP (1) | JPS5339054A (fi) |
DE (1) | DE2738207C2 (fi) |
FI (1) | FI772508A (fi) |
GB (1) | GB1585216A (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5814016B2 (ja) * | 1978-03-31 | 1983-03-17 | 株式会社日立製作所 | 直熱形酸化物陰極用基体金属板材 |
JPS5566819A (en) * | 1978-11-15 | 1980-05-20 | Hitachi Ltd | Oxide cathode for electron tube |
JPS5632627U (fi) * | 1979-08-21 | 1981-03-31 | ||
JPS5641636A (en) * | 1979-09-12 | 1981-04-18 | Hitachi Ltd | Directly heated type oxide cathode |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2921850A (en) * | 1958-03-03 | 1960-01-19 | Inouye Henry | Nickel-base alloy |
JPS4822295B1 (fi) * | 1970-12-04 | 1973-07-05 | ||
JPS5952503B2 (ja) * | 1975-11-07 | 1984-12-20 | 株式会社日立製作所 | 直熱形酸化物陰極用基体金属板 |
-
1976
- 1976-09-22 JP JP11310576A patent/JPS5339054A/ja active Granted
-
1977
- 1977-08-11 US US05/823,653 patent/US4146393A/en not_active Expired - Lifetime
- 1977-08-19 GB GB34966/77A patent/GB1585216A/en not_active Expired
- 1977-08-23 FI FI772508A patent/FI772508A/fi not_active Application Discontinuation
- 1977-08-24 DE DE2738207A patent/DE2738207C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5339054A (en) | 1978-04-10 |
JPS5650378B2 (fi) | 1981-11-28 |
GB1585216A (en) | 1981-02-25 |
DE2738207A1 (de) | 1978-03-30 |
DE2738207C2 (de) | 1982-12-02 |
US4146393A (en) | 1979-03-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: HITACHI, LTD. |