NL274464A - - Google Patents
Info
- Publication number
- NL274464A NL274464A NL274464DA NL274464A NL 274464 A NL274464 A NL 274464A NL 274464D A NL274464D A NL 274464DA NL 274464 A NL274464 A NL 274464A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
-
- 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
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 |
|---|---|---|---|
| FR851902A FR1288133A (fr) | 1961-02-07 | 1961-02-07 | Perfectionnements aux procédés de fabrication de cathodes du type imprégné |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL274464A true NL274464A (US07655688-20100202-C00086.png) |
Family
ID=8748271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL274464D NL274464A (US07655688-20100202-C00086.png) | 1961-02-07 |
Country Status (5)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3525135A (en) * | 1964-04-16 | 1970-08-25 | Gen Electric | Thermionic cathode |
| US3458913A (en) * | 1966-04-19 | 1969-08-05 | Siemens Ag | Supply cathode for electrical discharge vessels and method for its production |
| NL6701138A (US07655688-20100202-C00086.png) * | 1967-01-25 | 1968-07-26 | ||
| NL8403031A (nl) * | 1984-10-05 | 1986-05-01 | Philips Nv | Werkwijze voor het vervaardigen van een scandaatnaleveringskathode en scandaatnaleveringskathode vervaardigd volgens deze werkwijze. |
| KR910003699B1 (en) * | 1988-11-19 | 1991-06-08 | Samsung Electronic Devices | Manufacturing method of dispenser cathode |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR742822A (US07655688-20100202-C00086.png) * | 1931-09-15 | 1933-03-17 | ||
| US2117636A (en) * | 1934-03-24 | 1938-05-17 | Gerald B Tjoflat | Thermionic electrode |
| DE707255C (de) * | 1936-09-21 | 1941-06-17 | Siemens Schuckertwerke Akt Ges | Gluehkathode hoher Leistung, insbesondere fuer gas- oder dampfgefuellte Entladungsgefaese |
| US2544112A (en) * | 1947-05-17 | 1951-03-06 | Accumulatoren Fabriek Varta N | Sintered battery plate and process of making |
| NL246331A (US07655688-20100202-C00086.png) * | 1951-07-11 | |||
| BE512939A (US07655688-20100202-C00086.png) * | 1951-07-20 | |||
| BE518608A (US07655688-20100202-C00086.png) * | 1952-03-21 | |||
| DE952543C (de) * | 1954-02-27 | 1956-11-15 | Siemens Ag | Indirekt geheitzte Kathode fuer elektrische Entladungsgefaesse |
| US2878409A (en) * | 1957-04-29 | 1959-03-17 | Philips Corp | Dispenser-type cathode and method of making |
-
0
- NL NL274464D patent/NL274464A/xx unknown
-
1961
- 1961-02-07 FR FR851902A patent/FR1288133A/fr not_active Expired
-
1962
- 1962-01-26 US US169021A patent/US3265495A/en not_active Expired - Lifetime
- 1962-01-30 GB GB3418/62A patent/GB924595A/en not_active Expired
- 1962-02-06 DE DEC26170A patent/DE1163462B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1163462B (de) | 1964-02-20 |
| FR1288133A (fr) | 1962-03-24 |
| GB924595A (en) | 1963-04-24 |
| US3265495A (en) | 1966-08-09 |
