FR954178A - Cathode fabrication methods - Google Patents
Cathode fabrication methodsInfo
- Publication number
- FR954178A FR954178A FR954178DA FR954178A FR 954178 A FR954178 A FR 954178A FR 954178D A FR954178D A FR 954178DA FR 954178 A FR954178 A FR 954178A
- Authority
- FR
- France
- Prior art keywords
- fabrication methods
- cathode fabrication
- cathode
- methods
- fabrication
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US475737A US2397533A (en) | 1943-02-13 | 1943-02-13 | Method of making cathodes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR954178A true FR954178A (en) | 1949-12-20 |
Family
ID=23888899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR954178D Expired FR954178A (en) | 1943-02-13 | 1947-10-10 | Cathode fabrication methods |
Country Status (2)
Country | Link |
---|---|
US (1) | US2397533A (en) |
FR (1) | FR954178A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2693546A (en) * | 1948-07-10 | 1954-11-02 | Eitel Mccullough Inc | Electron emitter for electron tubes |
US2827407A (en) * | 1954-06-15 | 1958-03-18 | Federal Mogul Corp | Method of producing powdered steel products |
US2879432A (en) * | 1956-03-16 | 1959-03-24 | Gen Electric | Electron emitter |
US3650850A (en) * | 1970-04-07 | 1972-03-21 | Richard Corth | Method of making an undistorted coiled-coil tantalum carbide filament |
DE3784507T2 (en) * | 1987-10-29 | 1993-09-16 | Varian Associates | SHAPING A BASKET-SHAPED ELECTRODE. |
-
1943
- 1943-02-13 US US475737A patent/US2397533A/en not_active Expired - Lifetime
-
1947
- 1947-10-10 FR FR954178D patent/FR954178A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2397533A (en) | 1946-04-02 |
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