BE544065A - - Google Patents
Info
- Publication number
- BE544065A BE544065A BE544065DA BE544065A BE 544065 A BE544065 A BE 544065A BE 544065D A BE544065D A BE 544065DA BE 544065 A BE544065 A BE 544065A
- Authority
- BE
- Belgium
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
- H01J1/28—Dispenser-type cathodes, e.g. L-cathode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/027—Construction of the gun or parts thereof
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Solid Thermionic Cathode (AREA)
- Microwave Tubes (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB328590X | 1953-08-14 | ||
| GB3013171X | 1955-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE544065A true BE544065A (US20110009641A1-20110113-C00116.png) |
Family
ID=32396015
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE531122D BE531122A (US20110009641A1-20110113-C00116.png) | 1953-08-14 | ||
| BE544065D BE544065A (US20110009641A1-20110113-C00116.png) | 1953-08-14 | ||
| BE548876D BE548876A (US20110009641A1-20110113-C00116.png) | 1953-08-14 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE531122D BE531122A (US20110009641A1-20110113-C00116.png) | 1953-08-14 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE548876D BE548876A (US20110009641A1-20110113-C00116.png) | 1953-08-14 |
Country Status (7)
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3076915A (en) * | 1954-12-24 | 1963-02-05 | Egyesuelt Izzolampa | Cathode assembly and method of making same |
| US3159461A (en) * | 1958-10-20 | 1964-12-01 | Bell Telephone Labor Inc | Thermionic cathode |
| GB904505A (en) * | 1958-11-25 | 1962-08-29 | Harries Electronics Corp Ltd | Improvements in or relating to electron discharge tubes for television, radar and the like |
| NL101694C (US20110009641A1-20110113-C00116.png) * | 1959-03-06 | |||
| US3113236A (en) * | 1959-06-23 | 1963-12-03 | Philips Corp | Oxide dispenser type cathode |
| US3170772A (en) * | 1961-01-05 | 1965-02-23 | Tokyo Shibaura Electric Co | Oxide coated cathodes for electron tubes |
| US3160780A (en) * | 1961-01-17 | 1964-12-08 | Philips Corp | Indirectly heated cathode |
| NL278653A (US20110009641A1-20110113-C00116.png) * | 1961-06-01 | |||
| US3263115A (en) * | 1962-05-23 | 1966-07-26 | Gen Electric | Dispenser cathode and method of manufacture |
| US3374385A (en) * | 1963-07-10 | 1968-03-19 | Rca Corp | Electron tube cathode with nickel-tungsten alloy base and thin nickel coating |
| DE1255207B (de) * | 1963-09-19 | 1967-11-30 | Western Electric Co | Matrix- oder Schichtkathode fuer Gluehkathoden-Roehren |
| US3307241A (en) * | 1963-10-14 | 1967-03-07 | Litton Prec Products Inc | Process for making cathodes |
| US3303378A (en) * | 1964-06-17 | 1967-02-07 | Chorney Paul | Monolithic cathode structure |
| US3436583A (en) * | 1966-03-15 | 1969-04-01 | Gen Electric | Electron gun |
| US3436584A (en) * | 1966-03-15 | 1969-04-01 | Gen Electric | Electron emission source with sharply defined emitting area |
| NL6608782A (US20110009641A1-20110113-C00116.png) * | 1966-06-24 | 1967-12-27 | ||
| US3465400A (en) * | 1967-02-01 | 1969-09-09 | Varian Associates | Method of making cylindrical mesh electrode for electron tubes |
| BE759247A (fr) * | 1969-11-22 | 1971-05-21 | Philips Nv | Dispositif muni d'un tube electronique, et tube electronique destine a un tel dispositif |
| US3803677A (en) * | 1972-04-28 | 1974-04-16 | Air Liquide | Method for making cathodes for electron guns |
| US3835327A (en) * | 1972-05-08 | 1974-09-10 | United Aircraft Corp | Triode electron gun for electron beam machines |
| US3974414A (en) * | 1975-07-09 | 1976-08-10 | Gte Sylvania Incorporated | Cathode ray tube cathode |
| DE2808134A1 (de) * | 1978-02-25 | 1979-08-30 | Licentia Gmbh | Vorratskathode |
| FR2525808A1 (fr) * | 1982-04-23 | 1983-10-28 | Thomson Csf | Cathode thermoelectronique |
| DE3485897T2 (de) * | 1983-12-20 | 1993-01-07 | Eev Ltd | Elektronenstrahlerzeuger. |
| JPS63224127A (ja) * | 1987-03-11 | 1988-09-19 | Hitachi Ltd | 含浸形陰極 |
| JPH0298921A (ja) * | 1988-10-05 | 1990-04-11 | Fujitsu Ltd | 電子銃およびその製造方法および該電子銃を備えた露光装置および該露光装置を用いる半導体装置の製造方法 |
| FR2647257B1 (fr) * | 1989-05-19 | 1991-07-05 | Thomson Tubes Electroniques | Cathode impregnee avec capacite reduite avec application aux tubes de visualisation du type indexation de faisceau, et tubes electroniques comprenant un tel dispositif |
| KR920008300B1 (ko) * | 1990-09-22 | 1992-09-26 | 삼성전관 주식회사 | 디스펜서 음극의 제조방법 |
| KR930007461B1 (ko) * | 1991-04-23 | 1993-08-11 | 주식회사 금성사 | 함침형 음극 제조방법 |
| JPH0850849A (ja) * | 1994-05-31 | 1996-02-20 | Nec Kansai Ltd | 陰極部材およびそれを用いた電子管 |
| JPH09147735A (ja) * | 1995-09-21 | 1997-06-06 | Matsushita Electron Corp | 陰極線管用エミッタ材料及びその製造方法 |
| JPH11339633A (ja) * | 1997-11-04 | 1999-12-10 | Sony Corp | 含浸型陰極およびその製造方法、並びに電子銃および電子管 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2733378A (en) * | 1956-01-31 | Thermionic cathodes for electronic discharge devices | ||
| US1552310A (en) * | 1923-07-24 | 1925-09-01 | Gen Electric | Electrode for discharge tubes |
| US1931254A (en) * | 1928-02-28 | 1933-10-17 | Electrons Inc | Electronic tube |
| US2147447A (en) * | 1936-09-21 | 1939-02-14 | Siemens Ag | Glow cathode |
| US2275886A (en) * | 1941-04-30 | 1942-03-10 | Gen Electric | Process of activating cathodes |
| US2543439A (en) * | 1945-05-02 | 1951-02-27 | Edward A Coomes | Method of manufacturing coated elements for electron tubes |
| US2492142A (en) * | 1945-10-17 | 1949-12-27 | Kenneth J Germeshausen | Electric system embodying coldcathode gaseous discharge device |
| GB629126A (en) * | 1947-04-14 | 1949-09-13 | British Thomson Houston Co Ltd | Improvements in and relating to cathodes for electric discharge devices |
| BE498869A (US20110009641A1-20110113-C00116.png) * | 1949-10-25 | |||
| US2640949A (en) * | 1951-02-07 | 1953-06-02 | Atomic Energy Commission | Electron source |
| US2640950A (en) * | 1951-06-06 | 1953-06-02 | Atomic Energy Commission | Point electron source |
| US2741717A (en) * | 1951-06-14 | 1956-04-10 | Siemens Ag | Dispenser type cathode having gettercoated parts |
| NL91132C (US20110009641A1-20110113-C00116.png) * | 1951-11-29 | |||
| BE517981A (US20110009641A1-20110113-C00116.png) * | 1952-02-27 | |||
| FR1093241A (US20110009641A1-20110113-C00116.png) * | 1953-02-16 | 1955-05-02 | ||
| NL94233C (US20110009641A1-20110113-C00116.png) * | 1954-12-06 |
-
0
- BE BE531122D patent/BE531122A/xx unknown
- BE BE544065D patent/BE544065A/xx unknown
- NL NL97850D patent/NL97850C/xx active
- BE BE548876D patent/BE548876A/xx unknown
-
1953
- 1953-08-14 GB GB22495/53A patent/GB750339A/en not_active Expired
-
1954
- 1954-07-28 US US446206A patent/US2912611A/en not_active Expired - Lifetime
- 1954-08-03 FR FR1113771D patent/FR1113771A/fr not_active Expired
- 1954-08-11 CH CH328590D patent/CH328590A/fr unknown
- 1954-08-14 DE DEI9023A patent/DE1015941B/de active Pending
-
1955
- 1955-11-16 FR FR68247D patent/FR68247E/fr not_active Expired
- 1955-11-17 CH CH337954D patent/CH337954A/fr unknown
-
1956
- 1956-05-03 US US582595A patent/US3013171A/en not_active Expired - Lifetime
- 1956-06-20 FR FR71337D patent/FR71337E/fr not_active Expired
- 1956-06-23 CH CH338908D patent/CH338908A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2912611A (en) | 1959-11-10 |
| CH338908A (fr) | 1959-06-15 |
| FR1113771A (fr) | 1956-04-04 |
| NL97850C (US20110009641A1-20110113-C00116.png) | |
| CH337954A (fr) | 1959-04-30 |
| CH328590A (fr) | 1958-03-15 |
| BE548876A (US20110009641A1-20110113-C00116.png) | |
| DE1015941B (de) | 1957-09-19 |
| FR68247E (fr) | 1958-04-09 |
| BE531122A (US20110009641A1-20110113-C00116.png) | |
| US3013171A (en) | 1961-12-12 |
| FR71337E (fr) | 1959-12-22 |
| GB750339A (en) | 1956-06-13 |
