BR7405601D0 - Catodio termico para valvulas eletronicas e processo para sua fabricacao - Google Patents
Catodio termico para valvulas eletronicas e processo para sua fabricacaoInfo
- Publication number
- BR7405601D0 BR7405601D0 BR5601/74A BR560174A BR7405601D0 BR 7405601 D0 BR7405601 D0 BR 7405601D0 BR 5601/74 A BR5601/74 A BR 5601/74A BR 560174 A BR560174 A BR 560174A BR 7405601 D0 BR7405601 D0 BR 7405601D0
- Authority
- BR
- Brazil
- Prior art keywords
- catodio
- thermal
- manufacturing
- electronic valves
- valves
- Prior art date
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
- H01J1/26—Supports for the 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH994073A CH582951A5 (pt) | 1973-07-09 | 1973-07-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7405601D0 true BR7405601D0 (pt) | 1975-05-13 |
Family
ID=4357329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR5601/74A BR7405601D0 (pt) | 1973-07-09 | 1974-07-08 | Catodio termico para valvulas eletronicas e processo para sua fabricacao |
Country Status (13)
Country | Link |
---|---|
US (1) | US4083811A (pt) |
JP (1) | JPS5728176B2 (pt) |
AT (1) | AT377639B (pt) |
BR (1) | BR7405601D0 (pt) |
CH (1) | CH582951A5 (pt) |
DE (1) | DE2344936C3 (pt) |
FR (1) | FR2237303B1 (pt) |
GB (1) | GB1469554A (pt) |
HU (1) | HU169833B (pt) |
IN (1) | IN143037B (pt) |
NL (1) | NL179013C (pt) |
SE (1) | SE388717C (pt) |
YU (2) | YU185274A (pt) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56114664A (en) * | 1980-02-01 | 1981-09-09 | Disco Abrasive Sys Ltd | Manufacture of grindstone |
US4273683A (en) * | 1977-12-16 | 1981-06-16 | Hitachi, Ltd. | Oxide cathode and process for production thereof |
JPS5488059A (en) * | 1977-12-26 | 1979-07-12 | Hitachi Ltd | Thermion emission cathode |
DE2822665A1 (de) * | 1978-05-05 | 1979-11-08 | Bbc Brown Boveri & Cie | Gluehkathodenmaterial |
CH629033A5 (de) * | 1978-05-05 | 1982-03-31 | Bbc Brown Boveri & Cie | Gluehkathode. |
JPS605424B2 (ja) * | 1978-11-09 | 1985-02-12 | 本田技研工業株式会社 | 研削整用半球形砥石の砥粒電着装置 |
US4250428A (en) * | 1979-05-09 | 1981-02-10 | The United States Of America As Represented By The Secretary Of The Army | Bonded cathode and electrode structure with layered insulation, and method of manufacture |
FR2498372A1 (fr) * | 1981-01-16 | 1982-07-23 | Thomson Csf | Cathode a chauffage direct, son procede de fabrication, et tube electronique incorporant une telle cathode |
JPS58143957A (ja) * | 1982-02-23 | 1983-08-26 | Kurisutensen Maikai Kk | 砥石支持台の製造方法 |
CN85100483B (zh) * | 1985-04-01 | 1988-10-19 | 上海灯泡厂 | 超声波换能器用背载材料 |
JPS63187527A (ja) * | 1987-01-28 | 1988-08-03 | Hitachi Ltd | 電子管陰極構体 |
DE4305558A1 (de) * | 1993-02-24 | 1994-08-25 | Asea Brown Boveri | Verfahren zur Herstellung von Drähten, welche insbesondere für Kathoden von Elektronenröhren geeignet sind |
DE4421810C2 (de) * | 1994-06-22 | 1996-08-29 | Siemens Ag | Thermionischer Elektronenemitter und Verfahren zu dessen Herstellung |
DE4421793A1 (de) * | 1994-06-22 | 1996-01-04 | Siemens Ag | Thermionischer Elektronenemitter für eine Elektronenröhre |
KR100200661B1 (ko) * | 1994-10-12 | 1999-06-15 | 손욱 | 전자관용 음극 |
US6815876B1 (en) * | 1999-06-23 | 2004-11-09 | Agere Systems Inc. | Cathode with improved work function and method for making the same |
JP2012203998A (ja) * | 2011-03-23 | 2012-10-22 | Nippon Tungsten Co Ltd | タングステン陰極材料 |
US20170330725A1 (en) | 2016-05-13 | 2017-11-16 | Axcelis Technologies, Inc. | Lanthanated tungsten ion source and beamline components |
AT16409U1 (de) | 2017-05-23 | 2019-08-15 | Plansee Se | Kathodenwerkstoff |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB182817A (en) * | 1921-07-11 | 1923-08-09 | Drahtlose Telegraphie Gmbh | Improvements in the cathodes of electric discharge tubes |
US1794298A (en) * | 1926-09-21 | 1931-02-24 | Gen Electric | Thermionic cathode |
DE559817C (de) * | 1927-12-17 | 1932-09-24 | Siemens & Halske Akt Ges | Gasgefuelltes Entladungsrohr |
DE744453C (de) * | 1934-06-13 | 1944-01-15 | Hans Bodo Willers | Emissionselektrode mit einer aktiven Schicht aus stark elektronenemittierenden Stoffen mit einem Traegerdraht aus einer Nickellegierung |
NL48128C (pt) * | 1935-02-23 | |||
NL54775C (pt) * | 1940-01-24 | |||
DE875689C (de) * | 1942-06-28 | 1953-05-04 | Lorenz C Ag | Sekundaeremissionsschicht fuer Prallelektroden |
US2438732A (en) * | 1947-03-15 | 1948-03-30 | Eitel Mcculough Inc | Electron tube cathode |
DE973336C (de) * | 1952-04-09 | 1960-01-28 | Philips Nv | Kathode fuer elektrische Entladungsroehren mit einem Vorrat an Erdalkalimetallverbindungen |
US3105290A (en) * | 1958-12-18 | 1963-10-01 | Westinghouse Electric Corp | Cathode for electron discharge device |
NL266639A (pt) * | 1960-07-05 | |||
GB929668A (en) * | 1960-09-28 | 1963-06-26 | Gen Electric Co Ltd | Improvements in or relating to electrodes for electric discharge apparatus |
US3290543A (en) * | 1963-06-03 | 1966-12-06 | Varian Associates | Grain oriented dispenser thermionic emitter for electron discharge device |
DE1614938A1 (de) * | 1966-09-26 | 1970-12-23 | Atomic Energy Authority Uk | Elektronen emittierende Kathode,insbesondere fuer Elektronen-Bestrahlungsmaschinen |
NL6807899A (pt) * | 1967-06-06 | 1968-12-09 | ||
DE1614541A1 (de) * | 1967-06-21 | 1970-08-20 | Siemens Ag | Thorium-Film-Kathode fuer elektrische Entladungsgefaesse |
JPS5134675B2 (pt) * | 1971-09-03 | 1976-09-28 | ||
CH579824A5 (pt) * | 1974-10-25 | 1976-09-15 | Bbc Brown Boveri & Cie |
-
1973
- 1973-07-09 CH CH994073A patent/CH582951A5/xx not_active IP Right Cessation
- 1973-09-06 DE DE2344936A patent/DE2344936C3/de not_active Expired
-
1974
- 1974-05-27 AT AT0433974A patent/AT377639B/de not_active IP Right Cessation
- 1974-06-21 JP JP7122774A patent/JPS5728176B2/ja not_active Expired
- 1974-07-02 YU YU01852/74A patent/YU185274A/xx unknown
- 1974-07-05 SE SE7408863A patent/SE388717C/xx not_active IP Right Cessation
- 1974-07-08 GB GB3009874A patent/GB1469554A/en not_active Expired
- 1974-07-08 HU HUBO1507A patent/HU169833B/hu unknown
- 1974-07-08 FR FR7423728A patent/FR2237303B1/fr not_active Expired
- 1974-07-08 NL NLAANVRAGE7409188,A patent/NL179013C/xx not_active IP Right Cessation
- 1974-07-08 BR BR5601/74A patent/BR7405601D0/pt unknown
- 1974-07-08 US US05/486,396 patent/US4083811A/en not_active Expired - Lifetime
- 1974-09-04 IN IN/CAL/74A patent/IN143037B/en unknown
-
1980
- 1980-12-18 YU YU03207/80A patent/YU320780A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE2344936A1 (de) | 1975-02-06 |
SE388717C (sv) | 1983-05-02 |
DE2344936B2 (de) | 1975-09-04 |
HU169833B (pt) | 1977-02-28 |
YU320780A (en) | 1983-02-28 |
IN143037B (pt) | 1977-09-24 |
GB1469554A (en) | 1977-04-06 |
US4083811A (en) | 1978-04-11 |
JPS5728176B2 (pt) | 1982-06-15 |
ATA433974A (de) | 1979-07-15 |
SE7408863L (pt) | 1975-01-10 |
CH582951A5 (pt) | 1976-12-15 |
DE2344936C3 (de) | 1984-01-19 |
FR2237303B1 (pt) | 1977-10-07 |
FR2237303A1 (pt) | 1975-02-07 |
NL7409188A (nl) | 1975-01-13 |
YU185274A (en) | 1982-05-31 |
AT377639B (de) | 1985-04-10 |
NL179013C (nl) | 1988-04-18 |
JPS5039868A (pt) | 1975-04-12 |
NL179013B (nl) | 1986-01-16 |
SE388717B (sv) | 1976-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR7207976D0 (pt) | Gaxeta de material injetavel e processo para sua fabricacao | |
BR7405601D0 (pt) | Catodio termico para valvulas eletronicas e processo para sua fabricacao | |
BR7201060D0 (pt) | Recipiente protetor aperfeicoado e processo para sua fabricacao | |
BR7304507D0 (pt) | Cilindro recoberto aperfeicoado e processo para sua fabricacao | |
BR7506511A (pt) | Mecha aperfeicoada e processo para sua fabricacao | |
BR7607676A (pt) | Interconector vedado e processo para sua fabricacao | |
IT1001014B (it) | Chiave piatta e procedimento per la sua fabricazione | |
BR7410700D0 (pt) | Produtos fumaveis processo para a sua fabricacao e instalacao para a execucao do processo | |
BR7406259D0 (pt) | Gaxeta e processo para sua fabricacao | |
BR7403814D0 (pt) | Pigmentos ceramicos e processo para sua fabricacao | |
BR7406433D0 (pt) | Processo para a preparacao e n-n-di-alcoil-amidas | |
BR7407573D0 (pt) | Composto de 8-hidroxi-quimolina e processo para sua preparacao | |
BR7204020D0 (pt) | Processo para a obtencao de benzoxazolonas-(2) e benzotiazolonas-(2) | |
BR7203298D0 (pt) | Novos isotiociano-benzazois e processo para a sua preparacao | |
BR7408285A (pt) | Elemento de concreto e processo para a fabricacao do mesm | |
BR7602728A (pt) | Composicao explosiva e processo para sua fabricacao | |
BR7604433A (pt) | Valvula de superpressao bipartida processo para sua fabricacao e sua aplicacao | |
BR7305897D0 (pt) | Painel de adorno e processo para sua fabricacao | |
BR7507192A (pt) | Celula fotovoltaica e processo para sua fabricacao | |
BR7500638A (pt) | Laminado moldavel e processo para sua fabricacao | |
BR7507229A (pt) | Processo e preparado para estampagem por transferencia | |
BR7401295D0 (pt) | Elemento de resistencia eletrica e processo para sua fabricacao | |
BR7507240A (pt) | Composicao praguicida e processo para a sua fabricacao | |
BR7504277A (pt) | Corantes e processo para sua fabricacao | |
BR7401598D0 (pt) | Polimero termoendurecivel e processo para sua fabricacao |