NL47731C - - Google Patents
Info
- Publication number
- NL47731C NL47731C NL79420A NL79420A NL47731C NL 47731 C NL47731 C NL 47731C NL 79420 A NL79420 A NL 79420A NL 79420 A NL79420 A NL 79420A NL 47731 C NL47731 C NL 47731C
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DER94368D DE724812C (de) | 1935-10-02 | 1935-10-02 | Heizelement fuer indirekt geheizte Hochvoltkathoden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL47731C true NL47731C (fr) | 1940-02-15 |
Family
ID=7419148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL79420A NL47731C (fr) | 1935-10-02 | 1936-09-30 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2083196A (fr) |
| DE (1) | DE724812C (fr) |
| FR (1) | FR811528A (fr) |
| GB (1) | GB474179A (fr) |
| NL (1) | NL47731C (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2563573A (en) * | 1951-08-07 | Hot cathode electron tube which re | ||
| US2528425A (en) * | 1950-10-31 | Electron tube cathode heater | ||
| US2817605A (en) * | 1947-03-24 | 1957-12-24 | Manuel C Sanz | Method for sealing the pores in a carbon body |
| GB962926A (en) * | 1962-03-19 | 1964-07-08 | Rank Bush Murphy Ltd | Improvements in thermionic cathodes and in methods of manufacturing such cathodes |
| GB1204316A (en) * | 1966-09-26 | 1970-09-03 | Atomic Energy Authority Uk | Improvements in or relating to electron emitting cathodes for irradiation machines |
| US3534218A (en) * | 1967-03-30 | 1970-10-13 | Atomic Energy Authority Uk | Electron emitting cathodes for irradiation machines |
| CN110218987A (zh) * | 2019-07-24 | 2019-09-10 | 合肥百思新材料研究院有限公司 | 一种冷壁法cvd沉积设备及其工作方法 |
-
1935
- 1935-10-02 DE DER94368D patent/DE724812C/de not_active Expired
-
1936
- 1936-09-29 US US103120A patent/US2083196A/en not_active Expired - Lifetime
- 1936-09-30 NL NL79420A patent/NL47731C/xx active
- 1936-10-01 FR FR811528D patent/FR811528A/fr not_active Expired
- 1936-10-02 GB GB26774/36A patent/GB474179A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR811528A (fr) | 1937-04-16 |
| US2083196A (en) | 1937-06-08 |
| GB474179A (en) | 1937-10-27 |
| DE724812C (de) | 1942-09-05 |