BE515205A - - Google Patents
Info
- Publication number
- BE515205A BE515205A BE515205DA BE515205A BE 515205 A BE515205 A BE 515205A BE 515205D A BE515205D A BE 515205DA BE 515205 A BE515205 A BE 515205A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
-
- 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
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/066—Cold cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/067—Main electrodes for low-pressure discharge lamps
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Discharge Lamp (AREA)
- Vibration Dampers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE314128X | 1951-11-01 | ||
| DE111052X | 1952-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE515205A true BE515205A (ru) |
Family
ID=25750583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE515205D BE515205A (ru) | 1951-11-01 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2911376A (ru) |
| BE (1) | BE515205A (ru) |
| CH (2) | CH111052A (ru) |
| DE (1) | DE944621C (ru) |
| FR (1) | FR1065061A (ru) |
| GB (1) | GB740456A (ru) |
| NL (2) | NL173358B (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2980617A (en) * | 1956-03-13 | 1961-04-18 | Indiana General Corp | Ferrite compositions and method of making same |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1157411B (de) * | 1959-10-22 | 1963-11-14 | Leybolds Nachfolger E | Luftbestaendige Gluehkathode fuer Ionisationsmanometerroehren |
| US4158153A (en) * | 1978-01-23 | 1979-06-12 | Eckberg Edwin E | Low voltage fluorescent lamp having a plurality of cathode means |
| US4321503A (en) * | 1978-11-06 | 1982-03-23 | Westinghouse Electric Corp. | HID Lamp electrode comprising barium-calcium niobate or tantalate |
| US5744905A (en) * | 1994-12-23 | 1998-04-28 | Philips Electronics North America Corporation | Emission materials for discharge lamps and method for manufacturing electrode structures with such materials |
| US6037714A (en) * | 1995-09-19 | 2000-03-14 | Philips Electronics North America Corporation | Hollow electrodes for low pressure discharge lamps, particularly narrow diameter fluorescent and neon lamps and lamps containing the same |
| US5982097A (en) * | 1995-12-29 | 1999-11-09 | Philips Electronics North America Corporation | Hollow electrodes for low pressure discharge lamps, particularly narrow diameter fluorescent and neon lamps and lamps containing the same |
| US5905339A (en) * | 1995-12-29 | 1999-05-18 | Philips Electronics North America Corporation | Gas discharge lamp having an electrode with a low heat capacity tip |
| KR100445908B1 (ko) * | 2001-12-26 | 2004-08-25 | 한국전자통신연구원 | 형광 디스플레이용 청색 형광체 및 그 제조 방법 |
| WO2008151670A1 (de) * | 2007-06-14 | 2008-12-18 | Osram Gesellschaft mit beschränkter Haftung | Verfahren zur herstellung eines elektrisch leitenden hohlkörpers für den lampenbau und zugehörige lampe |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2147447A (en) * | 1936-09-21 | 1939-02-14 | Siemens Ag | Glow cathode |
| US2249672A (en) * | 1936-12-10 | 1941-07-15 | Gen Electric | Discharge device |
| DE858738C (de) * | 1941-03-24 | 1952-12-08 | Telefunken Gmbh | Pulverfoermiger, nicht verdampfender Fangstoff fuer elektrische Entladungsgefaesse |
| DE875695C (de) * | 1945-02-03 | 1953-05-04 | Lorenz C Ag | Mischgetter fuer die Hochvakuumtechnik |
| US2447038A (en) * | 1945-10-31 | 1948-08-17 | Raytheon Mfg Co | Cathode structure |
| US2477279A (en) * | 1946-09-11 | 1949-07-26 | Hanovia Chemical & Mfg Co | Electrical discharge device |
| US2661336A (en) * | 1948-11-17 | 1953-12-01 | Rca Corp | Getter material for electron discharge devices |
| US2586768A (en) * | 1949-02-24 | 1952-02-26 | Driver Harris Co | Vacuum tube electrode element |
| US2663816A (en) * | 1949-09-28 | 1953-12-22 | Sylvania Electric Prod | Electric discharge lamp |
| DE823909C (de) * | 1950-05-28 | 1951-12-06 | Hoerner Fa Eugen | Elektrode fuer Entladungsroehren |
| CH301568A (de) * | 1951-09-06 | 1954-09-15 | Izzolampa Egysult | Getterstoff und Verfahren zu dessen Herstellung. |
-
0
- BE BE515205D patent/BE515205A/xx unknown
- NL NL91686D patent/NL91686C/xx active
- NL NLAANVRAGE7511990,A patent/NL173358B/xx unknown
-
1924
- 1924-03-27 CH CH111052D patent/CH111052A/de unknown
-
1952
- 1952-10-12 DE DEP8502A patent/DE944621C/de not_active Expired
- 1952-10-17 CH CH314128D patent/CH314128A/de unknown
- 1952-10-23 GB GB26637/52A patent/GB740456A/en not_active Expired
- 1952-10-23 US US316359A patent/US2911376A/en not_active Expired - Lifetime
- 1952-10-27 FR FR1065061D patent/FR1065061A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2980617A (en) * | 1956-03-13 | 1961-04-18 | Indiana General Corp | Ferrite compositions and method of making same |
Also Published As
| Publication number | Publication date |
|---|---|
| NL173358B (nl) | |
| DE944621C (de) | 1956-06-28 |
| CH314128A (de) | 1956-05-31 |
| US2911376A (en) | 1959-11-03 |
| FR1065061A (fr) | 1954-05-20 |
| GB740456A (en) | 1955-11-16 |
| CH111052A (de) | 1925-07-16 |
| NL91686C (ru) |