NL60018C - - Google Patents
Info
- Publication number
- NL60018C NL60018C NL94801A NL94801A NL60018C NL 60018 C NL60018 C NL 60018C NL 94801 A NL94801 A NL 94801A NL 94801 A NL94801 A NL 94801A NL 60018 C NL60018 C NL 60018C
- 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
- H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
- H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/32—Secondary-electron-emitting electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/32—Secondary emission electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physical Vapour Deposition (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE750000T | 1938-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL60018C true NL60018C (fr) | 1947-05-16 |
Family
ID=6789965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL94801A NL60018C (fr) | 1938-08-17 | 1939-08-16 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE750000C (fr) |
| FR (1) | FR858936A (fr) |
| NL (1) | NL60018C (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE617353C (de) * | 1924-08-23 | 1935-08-17 | Lorenz Akt Ges C | Gitter fuer Elektronenroehren |
| US2141322A (en) * | 1935-06-25 | 1938-12-27 | Rca Corp | Cascaded secondary electron emitter amplifier |
| NL47272C (fr) * | 1935-09-06 |
-
1938
- 1938-08-18 DE DE1938750000D patent/DE750000C/de not_active Expired
-
1939
- 1939-08-10 FR FR858936D patent/FR858936A/fr not_active Expired
- 1939-08-16 NL NL94801A patent/NL60018C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| DE750000C (de) | 1944-12-12 |
| FR858936A (fr) | 1940-12-06 |