ES428492A1 - Procedimiento para la fabricacion de una masa para electro-dos de emision que operan a temperaturas elevadas. - Google Patents
Procedimiento para la fabricacion de una masa para electro-dos de emision que operan a temperaturas elevadas.Info
- Publication number
- ES428492A1 ES428492A1 ES428492A ES428492A ES428492A1 ES 428492 A1 ES428492 A1 ES 428492A1 ES 428492 A ES428492 A ES 428492A ES 428492 A ES428492 A ES 428492A ES 428492 A1 ES428492 A1 ES 428492A1
- Authority
- ES
- Spain
- Prior art keywords
- tungsten
- aluminum oxide
- thorium dioxide
- production
- temperature
- Prior art date
- 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.)
- Expired
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
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- 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)
- Discharge Lamp (AREA)
- Solid Thermionic Cathode (AREA)
- Arc Welding In General (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732337344 DE2337344C3 (de) | 1973-07-23 | Emissionselektrode bestehend aus einem Trägerkörper, der eine die Elektronenemission begünstigende Masse trägt |
Publications (1)
Publication Number | Publication Date |
---|---|
ES428492A1 true ES428492A1 (es) | 1976-11-16 |
Family
ID=5887721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES428492A Expired ES428492A1 (es) | 1973-07-23 | 1974-07-22 | Procedimiento para la fabricacion de una masa para electro-dos de emision que operan a temperaturas elevadas. |
Country Status (13)
Country | Link |
---|---|
US (1) | US3970888A (es) |
JP (1) | JPS5518015B2 (es) |
AT (1) | AT343233B (es) |
BE (1) | BE817987A (es) |
DK (1) | DK141349C (es) |
ES (1) | ES428492A1 (es) |
FR (1) | FR2245579B1 (es) |
GB (1) | GB1430723A (es) |
IT (1) | IT1017249B (es) |
LU (1) | LU70583A1 (es) |
NL (1) | NL7409815A (es) |
SE (1) | SE397745B (es) |
ZA (1) | ZA744074B (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5598434A (en) * | 1979-01-22 | 1980-07-26 | Toshiba Corp | Electrode for discharge tube |
JPS59167563U (ja) * | 1983-04-26 | 1984-11-09 | 大木 欣平 | ゴルフスコアホルダ− |
JPS61164185U (es) * | 1985-04-02 | 1986-10-11 | ||
JPS63139968U (es) * | 1987-03-05 | 1988-09-14 | ||
JPS63179148U (es) * | 1987-05-08 | 1988-11-21 | ||
JPH0210969U (es) * | 1988-07-04 | 1990-01-24 | ||
US5447763A (en) * | 1990-08-17 | 1995-09-05 | Ion Systems, Inc. | Silicon ion emitter electrodes |
DE4026301A1 (de) * | 1990-08-20 | 1992-02-27 | Siemens Ag | Elektronenemitter einer roentgenroehre |
GB2279495A (en) * | 1993-06-22 | 1995-01-04 | Thorn Microwave Devices Limite | Thermionic cathode |
US5627430A (en) * | 1994-06-29 | 1997-05-06 | Ushiodenki Kabushiki Kaisha | Discharge lamp having a cathode with a sintered tip insert |
ES2117460T3 (es) * | 1995-03-24 | 1998-08-01 | Siemens Ag | Electrodo de emision, compuesto de un cuerpo portador que lleva una masa sinterizada en fusion, que favorece la emision de electrones. |
US6384534B1 (en) | 1999-12-17 | 2002-05-07 | General Electric Company | Electrode material for fluorescent lamps |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3134924A (en) * | 1960-07-05 | 1964-05-26 | Monsanto Co | Emissive materials of a metal matrix with molecularly dispersed additives |
NL272981A (es) * | 1961-01-02 | |||
US3706001A (en) * | 1971-03-15 | 1972-12-12 | Us Army | Thermionic electron emitter containing thorium carbide,thorium oxide and zirconium carbide |
US3798492A (en) * | 1971-05-17 | 1974-03-19 | Itt | Emissive electrode |
US3798490A (en) * | 1972-09-01 | 1974-03-19 | Gen Electric | Vibration resistant lamp |
-
1974
- 1974-06-25 ZA ZA00744074A patent/ZA744074B/xx unknown
- 1974-07-03 AT AT550274A patent/AT343233B/de not_active IP Right Cessation
- 1974-07-17 FR FR7424852A patent/FR2245579B1/fr not_active Expired
- 1974-07-18 IT IT25296/74A patent/IT1017249B/it active
- 1974-07-18 SE SE7409380A patent/SE397745B/xx unknown
- 1974-07-19 NL NL7409815A patent/NL7409815A/xx not_active Application Discontinuation
- 1974-07-22 LU LU70583A patent/LU70583A1/xx unknown
- 1974-07-22 JP JP8404574A patent/JPS5518015B2/ja not_active Expired
- 1974-07-22 GB GB3232874A patent/GB1430723A/en not_active Expired
- 1974-07-22 DK DK394974A patent/DK141349C/da active
- 1974-07-22 ES ES428492A patent/ES428492A1/es not_active Expired
- 1974-07-23 US US05/491,040 patent/US3970888A/en not_active Expired - Lifetime
- 1974-07-23 BE BE146848A patent/BE817987A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL7409815A (nl) | 1975-01-27 |
ZA744074B (en) | 1975-06-25 |
IT1017249B (it) | 1977-07-20 |
LU70583A1 (es) | 1974-11-28 |
SE7409380L (es) | 1975-01-24 |
DK394974A (es) | 1975-03-10 |
ATA550274A (de) | 1977-09-15 |
JPS5044767A (es) | 1975-04-22 |
GB1430723A (en) | 1976-04-07 |
DK141349C (da) | 1980-08-18 |
SE397745B (sv) | 1977-11-14 |
JPS5518015B2 (es) | 1980-05-15 |
DE2337344B2 (de) | 1977-05-12 |
FR2245579A1 (es) | 1975-04-25 |
US3970888A (en) | 1976-07-20 |
BE817987A (fr) | 1974-11-18 |
FR2245579B1 (es) | 1977-10-14 |
AT343233B (de) | 1978-05-10 |
DE2337344A1 (de) | 1975-04-24 |
DK141349B (da) | 1980-02-25 |
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