JPS4950863A - - Google Patents
Info
- Publication number
- JPS4950863A JPS4950863A JP5454373A JP5454373A JPS4950863A JP S4950863 A JPS4950863 A JP S4950863A JP 5454373 A JP5454373 A JP 5454373A JP 5454373 A JP5454373 A JP 5454373A JP S4950863 A JPS4950863 A JP S4950863A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
- H01J40/02—Details
- H01J40/04—Electrodes
- H01J40/06—Photo-emissive cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/08—Cathode arrangements
Landscapes
- Electrodes For Cathode-Ray Tubes (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Electron Beam Exposure (AREA)
- Cold Cathode And The Manufacture (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25425972A | 1972-05-17 | 1972-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4950863A true JPS4950863A (de) | 1974-05-17 |
Family
ID=22963565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5454373A Pending JPS4950863A (de) | 1972-05-17 | 1973-05-16 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3777209A (de) |
| JP (1) | JPS4950863A (de) |
| CA (1) | CA998732A (de) |
| DE (1) | DE2325136B2 (de) |
| FR (1) | FR2184980B1 (de) |
| GB (1) | GB1425194A (de) |
| NL (1) | NL7306812A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3930139A (en) * | 1974-05-28 | 1975-12-30 | David Grigorievich Bykhovsky | Nonconsumable electrode for oxygen arc working |
| US6259193B1 (en) * | 1998-06-08 | 2001-07-10 | General Electric Company | Emissive filament and support structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3307974A (en) * | 1962-03-19 | 1967-03-07 | Rank Radio And Television Ltd | Method of forming thermionic cathodes |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3066236A (en) * | 1958-05-14 | 1962-11-27 | Int Standard Electric Corp | Electron discharge devices |
| US3330991A (en) * | 1963-07-12 | 1967-07-11 | Raytheon Co | Non-thermionic electron emission devices |
| FR1432317A (fr) * | 1964-05-05 | 1966-03-18 | Philips Nv | Procédé de fabrication d'une cathode à chauffage indirect et cathode obtenue par ce procédé |
| US3408521A (en) * | 1965-11-22 | 1968-10-29 | Stanford Research Inst | Semiconductor-type photocathode for an infrared device |
-
1957
- 1957-03-22 DE DE19572325136 patent/DE2325136B2/de active Granted
-
1972
- 1972-05-17 US US00254259A patent/US3777209A/en not_active Expired - Lifetime
-
1973
- 1973-05-14 CA CA171,256A patent/CA998732A/en not_active Expired
- 1973-05-16 NL NL7306812A patent/NL7306812A/xx unknown
- 1973-05-16 JP JP5454373A patent/JPS4950863A/ja active Pending
- 1973-05-17 GB GB2363373A patent/GB1425194A/en not_active Expired
- 1973-05-17 FR FR7317931A patent/FR2184980B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3307974A (en) * | 1962-03-19 | 1967-03-07 | Rank Radio And Television Ltd | Method of forming thermionic cathodes |
Also Published As
| Publication number | Publication date |
|---|---|
| US3777209A (en) | 1973-12-04 |
| DE2325136B2 (de) | 1977-09-01 |
| GB1425194A (en) | 1976-02-18 |
| DE2325136C3 (de) | 1978-05-11 |
| CA998732A (en) | 1976-10-19 |
| DE2325136A1 (de) | 1973-11-29 |
| FR2184980A1 (de) | 1973-12-28 |
| FR2184980B1 (de) | 1977-12-30 |
| NL7306812A (de) | 1973-11-20 |