BE492888A - - Google Patents
Info
- Publication number
- BE492888A BE492888A BE492888DA BE492888A BE 492888 A BE492888 A BE 492888A BE 492888D A BE492888D A BE 492888DA BE 492888 A BE492888 A BE 492888A
- Authority
- BE
- Belgium
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
-
- 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
- H01J9/045—Activation of assembled cathode
-
- 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
- H01J9/06—Machines therefor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66642A US2664361A (en) | 1948-12-22 | 1948-12-22 | Method and apparatus for applying electron emission material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE492888A true BE492888A (en) |
Family
ID=22070770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE492888D BE492888A (en) | 1948-12-22 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2664361A (en) |
| BE (1) | BE492888A (en) |
| DE (1) | DE959574C (en) |
| FR (1) | FR1006991A (en) |
| GB (1) | GB692479A (en) |
| NL (1) | NL77446C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3785341A (en) * | 1968-07-11 | 1974-01-15 | Western Electric Co | Apparatus for applying liquid to articles without touching the articles |
| US4382980A (en) * | 1979-03-07 | 1983-05-10 | E. I. Du Pont De Nemours And Company | Magnesium compositions and process for forming MGO film |
| DE4415748C2 (en) * | 1994-05-04 | 1998-08-13 | Matsushita Electric Works Ltd | Electrode for a fluorescent lamp |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US448888A (en) * | 1891-03-24 | Pomeroy l | ||
| US781025A (en) * | 1903-06-13 | 1905-01-31 | Gen Electric | Process of insulating coils. |
| US1695899A (en) * | 1922-09-27 | 1928-12-18 | Westinghouse Electric & Mfg Co | Electron-emitting element |
| US2329024A (en) * | 1940-11-23 | 1943-09-07 | Sylvania Electric Prod | Cathode coating machine |
| US2362510A (en) * | 1942-01-03 | 1944-11-14 | Raytheon Mfg Co | Emissive filament and method of making |
| US2363055A (en) * | 1942-01-14 | 1944-11-21 | Gen Electric | Coating apparatus |
| US2431135A (en) * | 1944-03-29 | 1947-11-18 | Westinghouse Electric Corp | Apparatus for coating cathodes |
-
0
- NL NL77446D patent/NL77446C/xx active
- BE BE492888D patent/BE492888A/xx unknown
-
1948
- 1948-12-22 US US66642A patent/US2664361A/en not_active Expired - Lifetime
-
1949
- 1949-12-13 GB GB31987/49A patent/GB692479A/en not_active Expired
- 1949-12-22 FR FR1006991D patent/FR1006991A/en not_active Expired
-
1950
- 1950-10-03 DE DEI3102A patent/DE959574C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE959574C (en) | 1957-03-07 |
| FR1006991A (en) | 1952-04-29 |
| US2664361A (en) | 1953-12-29 |
| GB692479A (en) | 1953-06-10 |
| NL77446C (en) |