ES446661A1 - Mejoras introducidas en una estructura de catodo termoioni- co. - Google Patents
Mejoras introducidas en una estructura de catodo termoioni- co.Info
- Publication number
- ES446661A1 ES446661A1 ES446661A ES446661A ES446661A1 ES 446661 A1 ES446661 A1 ES 446661A1 ES 446661 A ES446661 A ES 446661A ES 446661 A ES446661 A ES 446661A ES 446661 A1 ES446661 A1 ES 446661A1
- Authority
- ES
- Spain
- Prior art keywords
- layer
- base plate
- cathode
- ceramic base
- ceramic
- 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
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/04—Cathodes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
- Solid Thermionic Cathode (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50040590A JPS51115765A (en) | 1975-04-03 | 1975-04-03 | Electron tube cathode apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
ES446661A1 true ES446661A1 (es) | 1977-11-01 |
Family
ID=12584706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES446661A Expired ES446661A1 (es) | 1975-04-03 | 1976-04-02 | Mejoras introducidas en una estructura de catodo termoioni- co. |
Country Status (13)
Country | Link |
---|---|
US (1) | US4053807A (es) |
JP (1) | JPS51115765A (es) |
AT (1) | AT346919B (es) |
AU (1) | AU499602B2 (es) |
BE (1) | BE840322A (es) |
CA (1) | CA1045670A (es) |
DE (1) | DE2614368A1 (es) |
ES (1) | ES446661A1 (es) |
FR (1) | FR2306521A1 (es) |
GB (1) | GB1528687A (es) |
IT (1) | IT1058750B (es) |
NL (1) | NL7603551A (es) |
SE (1) | SE409385B (es) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2654554C2 (de) * | 1976-12-02 | 1983-04-21 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Pilzkathode für Kathodenstrahlröhren |
US4151440A (en) * | 1978-04-17 | 1979-04-24 | Gte Sylvania Incorporated | Cathode heater assembly for electron discharge device |
US4532452A (en) * | 1983-10-31 | 1985-07-30 | Rca Corporation | Cathode structure for a cathodoluminescent display devices |
JPH053851Y2 (es) * | 1987-04-23 | 1993-01-29 | ||
EP0389228B1 (en) * | 1989-03-24 | 1995-01-25 | Mitsubishi Denki Kabushiki Kaisha | High temperature operating element |
US5350969A (en) * | 1991-12-03 | 1994-09-27 | Litton Systems, Inc. | Cathode heater and cathode assembly for microwave power tubes |
US7556356B1 (en) | 1997-07-15 | 2009-07-07 | Silverbrook Research Pty Ltd | Inkjet printhead integrated circuit with ink spread prevention |
US6188415B1 (en) | 1997-07-15 | 2001-02-13 | Silverbrook Research Pty Ltd | Ink jet printer having a thermal actuator comprising an external coil spring |
US7468139B2 (en) | 1997-07-15 | 2008-12-23 | Silverbrook Research Pty Ltd | Method of depositing heater material over a photoresist scaffold |
US20100277531A1 (en) * | 1997-07-15 | 2010-11-04 | Silverbrook Research Pty Ltd | Printer having processor for high volume printing |
US6682174B2 (en) | 1998-03-25 | 2004-01-27 | Silverbrook Research Pty Ltd | Ink jet nozzle arrangement configuration |
US6935724B2 (en) | 1997-07-15 | 2005-08-30 | Silverbrook Research Pty Ltd | Ink jet nozzle having actuator with anchor positioned between nozzle chamber and actuator connection point |
US6557977B1 (en) * | 1997-07-15 | 2003-05-06 | Silverbrook Research Pty Ltd | Shape memory alloy ink jet printing mechanism |
AUPP398798A0 (en) * | 1998-06-09 | 1998-07-02 | Silverbrook Research Pty Ltd | Image creation method and apparatus (ij43) |
US6712453B2 (en) | 1997-07-15 | 2004-03-30 | Silverbrook Research Pty Ltd. | Ink jet nozzle rim |
US7465030B2 (en) | 1997-07-15 | 2008-12-16 | Silverbrook Research Pty Ltd | Nozzle arrangement with a magnetic field generator |
US7337532B2 (en) | 1997-07-15 | 2008-03-04 | Silverbrook Research Pty Ltd | Method of manufacturing micro-electromechanical device having motion-transmitting structure |
US6227653B1 (en) * | 1997-07-15 | 2001-05-08 | Silverbrook Research Pty Ltd | Bend actuator direct ink supply ink jet printing mechanism |
US7195339B2 (en) | 1997-07-15 | 2007-03-27 | Silverbrook Research Pty Ltd | Ink jet nozzle assembly with a thermal bend actuator |
US6648453B2 (en) | 1997-07-15 | 2003-11-18 | Silverbrook Research Pty Ltd | Ink jet printhead chip with predetermined micro-electromechanical systems height |
US6412912B2 (en) | 1998-07-10 | 2002-07-02 | Silverbrook Research Pty Ltd | Ink jet printer mechanism with colinear nozzle and inlet |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3096211A (en) * | 1959-03-31 | 1963-07-02 | Emi Ltd | Alkali metal generators |
GB962926A (en) * | 1962-03-19 | 1964-07-08 | Rank Bush Murphy Ltd | Improvements in thermionic cathodes and in methods of manufacturing such cathodes |
GB1109083A (en) * | 1965-04-14 | 1968-04-10 | Sony Corp | An electron emitter |
US3748522A (en) * | 1969-10-06 | 1973-07-24 | Stanford Research Inst | Integrated vacuum circuits |
US3745403A (en) * | 1971-11-30 | 1973-07-10 | Hitachi Ltd | Direct heating cathode structure for electron tubes |
NL158647B (nl) * | 1973-06-06 | 1978-11-15 | Philips Nv | Oxydkathode voor een elektrische ontladingsbuis. |
-
1975
- 1975-04-03 JP JP50040590A patent/JPS51115765A/ja active Granted
-
1976
- 1976-03-31 AU AU12504/76A patent/AU499602B2/en not_active Expired
- 1976-03-31 GB GB13037/76A patent/GB1528687A/en not_active Expired
- 1976-03-31 CA CA249,239A patent/CA1045670A/en not_active Expired
- 1976-03-31 US US05/672,501 patent/US4053807A/en not_active Expired - Lifetime
- 1976-04-02 DE DE19762614368 patent/DE2614368A1/de not_active Ceased
- 1976-04-02 IT IT21912/76A patent/IT1058750B/it active
- 1976-04-02 ES ES446661A patent/ES446661A1/es not_active Expired
- 1976-04-02 BE BE2054928A patent/BE840322A/xx not_active IP Right Cessation
- 1976-04-05 SE SE7603981A patent/SE409385B/xx not_active IP Right Cessation
- 1976-04-05 FR FR7609858A patent/FR2306521A1/fr active Granted
- 1976-04-05 NL NL7603551A patent/NL7603551A/xx not_active Application Discontinuation
- 1976-04-05 AT AT243076A patent/AT346919B/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US4053807A (en) | 1977-10-11 |
CA1045670A (en) | 1979-01-02 |
JPS5524646B2 (es) | 1980-06-30 |
FR2306521A1 (fr) | 1976-10-29 |
ATA243076A (de) | 1978-04-15 |
GB1528687A (en) | 1978-10-18 |
IT1058750B (it) | 1982-05-10 |
FR2306521B1 (es) | 1979-06-01 |
NL7603551A (nl) | 1976-10-05 |
AT346919B (de) | 1978-12-11 |
SE7603981L (sv) | 1976-10-04 |
JPS51115765A (en) | 1976-10-12 |
DE2614368A1 (de) | 1976-10-21 |
SE409385B (sv) | 1979-08-13 |
AU499602B2 (en) | 1979-04-26 |
AU1250476A (en) | 1977-10-06 |
BE840322A (fr) | 1976-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19980202 |