NL6909169A - - Google Patents
Info
- Publication number
- NL6909169A NL6909169A NL6909169A NL6909169A NL6909169A NL 6909169 A NL6909169 A NL 6909169A NL 6909169 A NL6909169 A NL 6909169A NL 6909169 A NL6909169 A NL 6909169A NL 6909169 A NL6909169 A NL 6909169A
- Authority
- NL
- Netherlands
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
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
- H01J1/26—Supports for the emissive material
-
- 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 |
---|---|---|---|
DE19681764509 DE1764509A1 (de) | 1968-06-18 | 1968-06-18 | Thorium-Film-Kathode fuer elektrische Entladungsgefaesse |
Publications (1)
Publication Number | Publication Date |
---|---|
NL6909169A true NL6909169A (xx) | 1969-12-22 |
Family
ID=5698015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6909169A NL6909169A (xx) | 1968-06-18 | 1969-06-16 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1764509A1 (xx) |
FR (1) | FR2011137A6 (xx) |
NL (1) | NL6909169A (xx) |
-
1968
- 1968-06-18 DE DE19681764509 patent/DE1764509A1/de active Pending
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1969
- 1969-06-16 FR FR6919953A patent/FR2011137A6/fr not_active Expired
- 1969-06-16 NL NL6909169A patent/NL6909169A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1764509A1 (de) | 1971-08-05 |
FR2011137A6 (en) | 1970-02-27 |