NL271769A - - Google Patents
Info
- Publication number
- NL271769A NL271769A NL271769DA NL271769A NL 271769 A NL271769 A NL 271769A NL 271769D A NL271769D A NL 271769DA NL 271769 A NL271769 A NL 271769A
- Authority
- NL
- Netherlands
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
- H01J9/047—Cathodes having impregnated bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F3/26—Impregnating
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Solid Thermionic Cathode (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4161661A GB924775A (en) | 1961-11-21 | 1961-11-21 | Improvements in or relating to impregnated tungsten cathode structures and methods for fabricating same |
Publications (1)
Publication Number | Publication Date |
---|---|
NL271769A true NL271769A (it) |
Family
ID=10420511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL271769D NL271769A (it) | 1961-11-21 |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB924775A (it) |
NL (1) | NL271769A (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT403692B (de) * | 1996-12-18 | 1998-04-27 | Electrovac | Verfahren zur herstellung von keramischen formkörpern |
-
0
- NL NL271769D patent/NL271769A/xx unknown
-
1961
- 1961-11-21 GB GB4161661A patent/GB924775A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB924775A (en) | 1963-05-01 |