NL133280C - - Google Patents
Info
- Publication number
- NL133280C NL133280C NL133280DA NL133280C NL 133280 C NL133280 C NL 133280C NL 133280D A NL133280D A NL 133280DA NL 133280 C NL133280 C NL 133280C
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/02—Manufacture of incandescent bodies
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Solid Thermionic Cathode (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US311174A US3320091A (en) | 1963-09-24 | 1963-09-24 | Method for impregnating tungsten dispenser cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL133280C true NL133280C (https=) |
Family
ID=23205735
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL300312D NL300312A (https=) | 1963-09-24 | ||
| NL133280D NL133280C (https=) | 1963-09-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL300312D NL300312A (https=) | 1963-09-24 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3320091A (https=) |
| DE (1) | DE1234860B (https=) |
| NL (2) | NL133280C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1097424A (en) * | 1964-04-16 | 1968-01-03 | Gen Electric | Improvements in thermionic cathodes |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US944139A (en) * | 1909-10-11 | 1909-12-21 | Adrian Denman Jones | Electrode for electric-arc lamps. |
| US1993187A (en) * | 1929-05-04 | 1935-03-05 | Electrons Inc | Cold cathode discharge tube |
| BE515834A (https=) * | 1951-11-29 | |||
| US3118080A (en) * | 1959-12-10 | 1964-01-14 | Semicon Associates Inc | Tungsten dispenser cathodes and impregnants therefor |
| DE1120605B (de) * | 1960-09-21 | 1961-12-28 | Siemens Ag | Oxydkathode |
-
0
- NL NL300312D patent/NL300312A/xx unknown
- NL NL133280D patent/NL133280C/xx active
-
1963
- 1963-09-24 US US311174A patent/US3320091A/en not_active Expired - Lifetime
-
1964
- 1964-01-10 DE DES89008A patent/DE1234860B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3320091A (en) | 1967-05-16 |
| DE1234860B (de) | 1967-02-23 |
| NL300312A (https=) |