IT1009122B - Emettitori di elettroni procedimen to per la sua fabbricazione e dispo sitivi comprendenti tale emettitore - Google Patents
Emettitori di elettroni procedimen to per la sua fabbricazione e dispo sitivi comprendenti tale emettitoreInfo
- Publication number
- IT1009122B IT1009122B IT67225/74A IT6722574A IT1009122B IT 1009122 B IT1009122 B IT 1009122B IT 67225/74 A IT67225/74 A IT 67225/74A IT 6722574 A IT6722574 A IT 6722574A IT 1009122 B IT1009122 B IT 1009122B
- Authority
- IT
- Italy
- Prior art keywords
- emitter
- procedure
- manufacturing
- devices including
- electron emitters
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- H01J1/30—Cold cathodes, e.g. field-emissive cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/38—Cold-cathode tubes
- H01J17/48—Cold-cathode tubes with more than one cathode or anode, e.g. sequence-discharge tube, counting tube, dekatron
- H01J17/49—Display panels, e.g. with crossed electrodes, e.g. making use of direct current
- H01J17/491—Display panels, e.g. with crossed electrodes, e.g. making use of direct current with electrodes arranged side by side and substantially in the same plane, e.g. for displaying alphanumeric characters
-
- 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
- H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Cold Cathode And The Manufacture (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Chemical Vapour Deposition (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Electroluminescent Light Sources (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7303212A FR2215699B1 (enrdf_load_stackoverflow) | 1973-01-30 | 1973-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1009122B true IT1009122B (it) | 1976-12-10 |
Family
ID=9114057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT67225/74A IT1009122B (it) | 1973-01-30 | 1974-01-28 | Emettitori di elettroni procedimen to per la sua fabbricazione e dispo sitivi comprendenti tale emettitore |
Country Status (12)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2822665A1 (de) * | 1978-05-05 | 1979-11-08 | Bbc Brown Boveri & Cie | Gluehkathodenmaterial |
| JPS6391925A (ja) * | 1986-10-03 | 1988-04-22 | Canon Inc | 電子放出素子 |
| GB2204991B (en) * | 1987-05-18 | 1991-10-02 | Gen Electric Plc | Vacuum electronic devices |
| US5136212A (en) * | 1988-02-18 | 1992-08-04 | Canon Kabushiki Kaisha | Electron emitting device, electron generator employing said electron emitting device, and method for driving said generator |
| DE68926467T2 (de) * | 1988-02-18 | 1996-09-19 | Canon Kk | Elektronenemitter |
| RU2143766C1 (ru) * | 1999-02-08 | 1999-12-27 | Физико-технический институт им.А.Ф.Иоффе РАН | Эмиттер заряженных частиц |
| WO2017188422A1 (ja) * | 2016-04-27 | 2017-11-02 | デノラ・ペルメレック株式会社 | 電解槽 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL59317C (enrdf_load_stackoverflow) * | 1941-10-15 | 1946-06-15 | ||
| US3184636A (en) * | 1961-06-15 | 1965-05-18 | Sylvania Electric Prod | Cold cathode |
| GB1032768A (en) * | 1961-10-17 | 1966-06-15 | Emi Ltd | Improvements in or relating to electron discharge devices |
| NL296890A (enrdf_load_stackoverflow) * | 1962-08-23 | |||
| US3150282A (en) * | 1962-11-13 | 1964-09-22 | Stanford Research Inst | High efficiency cathode structure |
-
1973
- 1973-01-30 FR FR7303212A patent/FR2215699B1/fr not_active Expired
-
1974
- 1974-01-14 CH CH43074A patent/CH592362A5/de not_active IP Right Cessation
- 1974-01-23 US US435666A patent/US3921031A/en not_active Expired - Lifetime
- 1974-01-28 SE SE7401076A patent/SE398021B/xx unknown
- 1974-01-28 IT IT67225/74A patent/IT1009122B/it active
- 1974-01-28 DE DE2403893A patent/DE2403893A1/de not_active Withdrawn
- 1974-01-28 ES ES422685A patent/ES422685A1/es not_active Expired
- 1974-01-28 GB GB383674A patent/GB1466697A/en not_active Expired
- 1974-01-28 BE BE140216A patent/BE810216A/xx not_active IP Right Cessation
- 1974-01-29 NL NL7401168A patent/NL7401168A/xx not_active Application Discontinuation
- 1974-01-29 JP JP1212274A patent/JPS5133549A/ja active Granted
- 1974-02-28 SU SU741995635A patent/SU641890A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2215699A1 (enrdf_load_stackoverflow) | 1974-08-23 |
| FR2215699B1 (enrdf_load_stackoverflow) | 1976-04-30 |
| JPS5133549A (en) | 1976-03-22 |
| SU641890A3 (ru) | 1979-01-05 |
| NL7401168A (enrdf_load_stackoverflow) | 1974-08-01 |
| US3921031A (en) | 1975-11-18 |
| SE398021B (sv) | 1977-11-28 |
| BE810216A (fr) | 1974-05-16 |
| ES422685A1 (es) | 1977-11-16 |
| JPS5721822B2 (enrdf_load_stackoverflow) | 1982-05-10 |
| DE2403893A1 (de) | 1974-08-22 |
| GB1466697A (en) | 1977-03-09 |
| CH592362A5 (enrdf_load_stackoverflow) | 1977-10-31 |
| AU6492474A (en) | 1975-07-31 |
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