CH323452A - Process for the manufacture of an oxide cathode - Google Patents
Process for the manufacture of an oxide cathodeInfo
- Publication number
- CH323452A CH323452A CH323452DA CH323452A CH 323452 A CH323452 A CH 323452A CH 323452D A CH323452D A CH 323452DA CH 323452 A CH323452 A CH 323452A
- Authority
- CH
- Switzerland
- Prior art keywords
- manufacture
- oxide cathode
- cathode
- oxide
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HU323452X | 1952-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH323452A true CH323452A (en) | 1957-07-31 |
Family
ID=10978777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH323452D CH323452A (en) | 1952-04-24 | 1953-04-18 | Process for the manufacture of an oxide cathode |
Country Status (3)
Country | Link |
---|---|
CH (1) | CH323452A (en) |
DE (1) | DE1021482B (en) |
NL (1) | NL95838C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5847498A (en) * | 1994-12-23 | 1998-12-08 | Philips Electronics North America Corporation | Multiple layer composite electrodes for discharge lamps |
DE19957420A1 (en) | 1999-11-29 | 2001-05-31 | Philips Corp Intellectual Pty | Gas discharge lamp with an oxide emitter electrode |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB182817A (en) * | 1921-07-11 | 1923-08-09 | Drahtlose Telegraphie Gmbh | Improvements in the cathodes of electric discharge tubes |
DE597580C (en) * | 1928-05-01 | 1934-05-26 | Osram G M B H Komm Ges | Electric light or ultraviolet radiation tubes |
DE540618C (en) * | 1928-06-09 | 1932-04-26 | Telefunken Gmbh | Process for the production of glow cathodes |
DE696506C (en) * | 1930-12-07 | 1940-09-23 | Osram G M B H Komm Ges | Electric high pressure discharge tubes for lighting addition of a vaporizable metal |
DE860384C (en) * | 1943-12-16 | 1952-12-22 | Patra Patent Treuhand | Incandescent electrode for electric gas discharge tubes, especially electric light tubes |
BE482916A (en) * | 1947-06-05 | |||
US2547869A (en) * | 1947-10-31 | 1951-04-03 | Sylvania Electric Prod | Fluorescent lamp electrode |
-
0
- NL NL95838D patent/NL95838C/xx active
-
1953
- 1953-04-18 CH CH323452D patent/CH323452A/en unknown
- 1953-04-21 DE DEE7086A patent/DE1021482B/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1021482B (en) | 1957-12-27 |
NL95838C (en) |
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