NL89643C - - Google Patents
Info
- Publication number
- NL89643C NL89643C NL89643DA NL89643C NL 89643 C NL89643 C NL 89643C NL 89643D A NL89643D A NL 89643DA NL 89643 C NL89643 C NL 89643C
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB10393/51A GB699977A (en) | 1951-05-03 | 1951-05-03 | Improvements in or relating to thermionic cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL89643C true NL89643C (en:Method) |
Family
ID=9967000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL89643D NL89643C (en:Method) | 1951-05-03 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2748033A (en:Method) |
| BE (1) | BE511131A (en:Method) |
| CH (1) | CH307771A (en:Method) |
| DE (1) | DE911876C (en:Method) |
| GB (1) | GB699977A (en:Method) |
| NL (1) | NL89643C (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3755205A (en) * | 1972-03-28 | 1973-08-28 | Us Army | Method of making a catalytic bed |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1894059A (en) * | 1927-04-08 | 1933-01-10 | Forest Radio Company De | Process for producing electron emitters and the product |
| US2049372A (en) * | 1934-11-19 | 1936-07-28 | Gen Electric | Emissive coating for cathodes and method for preparing the same |
| US2430520A (en) * | 1945-03-06 | 1947-11-11 | Glass Science Inc | Deposition of metal on glass from metal formates |
-
0
- NL NL89643D patent/NL89643C/xx active
- BE BE511131D patent/BE511131A/xx unknown
-
1951
- 1951-05-03 GB GB10393/51A patent/GB699977A/en not_active Expired
-
1952
- 1952-04-29 DE DEN5441A patent/DE911876C/de not_active Expired
- 1952-05-01 CH CH307771D patent/CH307771A/de unknown
- 1952-05-01 US US285562A patent/US2748033A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2748033A (en) | 1956-05-29 |
| DE911876C (de) | 1954-05-20 |
| CH307771A (de) | 1955-06-15 |
| GB699977A (en) | 1953-11-18 |
| BE511131A (en:Method) |