BE625855A - - Google Patents
Info
- Publication number
- BE625855A BE625855A BE625855DA BE625855A BE 625855 A BE625855 A BE 625855A BE 625855D A BE625855D A BE 625855DA BE 625855 A BE625855 A BE 625855A
- Authority
- BE
- Belgium
Links
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/04—Cathodes
- H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
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- 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
- H01J1/30—Cold cathodes, e.g. field-emissive cathode
- H01J1/304—Field-emissive cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
- H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/42—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and with a magnet system producing an H-field crossing the E-field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
- H01J25/587—Multi-cavity magnetrons
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0029—Electron beam tubes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
- H05H1/4645—Radiofrequency discharges
- H05H1/466—Radiofrequency discharges using capacitive coupling means, e.g. electrodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H2240/00—Testing
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Electromagnetism (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US179853A US3109123A (en) | 1962-03-15 | 1962-03-15 | Electron discharge devices with a sharp edged cathode |
Publications (1)
Publication Number | Publication Date |
---|---|
BE625855A true BE625855A (nl) |
Family
ID=22658253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE625855D BE625855A (nl) | 1962-03-15 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3109123A (nl) |
BE (1) | BE625855A (nl) |
DE (1) | DE1441243B2 (nl) |
FR (1) | FR1339981A (nl) |
GB (1) | GB969833A (nl) |
NL (2) | NL285091A (nl) |
SE (1) | SE316239B (nl) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3305753A (en) * | 1963-05-03 | 1967-02-21 | Westinghouse Electric Corp | Magnetron having magnetic bias of such strength as to make cyclotron frequency equal to twice pi frequency, useful for cold cathode operation |
US3619709A (en) * | 1970-07-06 | 1971-11-09 | Ratheon Co | Gridded crossed field traveling wave device |
US3921027A (en) * | 1974-09-13 | 1975-11-18 | Joe Shelton | Microwave beam tube |
US4894586A (en) * | 1988-02-18 | 1990-01-16 | Litton Systems, Inc. | Crossed-field amplifier bias circuit and method for improved starting |
US4975656A (en) * | 1989-03-31 | 1990-12-04 | Litton Systems, Inc. | Enhanced secondary electron emitter |
US5159241A (en) * | 1990-10-25 | 1992-10-27 | General Dynamics Corporation Air Defense Systems Division | Single body relativistic magnetron |
RU2007777C1 (ru) * | 1992-04-15 | 1994-02-15 | Предприятие "Плутон" | Магнетрон |
US5327094A (en) * | 1992-12-11 | 1994-07-05 | Litton Systems, Inc. | Jitter suppression in crossed-field amplifier by use of field emitter |
IL106905A (en) * | 1993-09-03 | 1997-01-10 | Israel State | Magnetron construction particularly useful as a relativistic magnetron |
JP3390562B2 (ja) * | 1994-06-28 | 2003-03-24 | シャープ株式会社 | マグネトロンおよび電子レンジ |
US5874806A (en) * | 1996-10-02 | 1999-02-23 | Litton Systems, Inc. | Passive jitter reduction in crossed-field amplifier with secondary emission material on anode vanes |
JP3333421B2 (ja) * | 1997-02-28 | 2002-10-15 | シャープ株式会社 | 平板型マグネトロン |
RU2133515C1 (ru) * | 1997-12-09 | 1999-07-20 | Махов Владимир Ильич | Катодный узел для электронных приборов и электронный прибор |
US6686696B2 (en) * | 2001-03-08 | 2004-02-03 | Genvac Aerospace Corporation | Magnetron with diamond coated cathode |
US20100062288A1 (en) * | 2005-11-18 | 2010-03-11 | David Weber | System for generation of useful electrical energy from isotopic electron emission |
-
0
- NL NL130734D patent/NL130734C/xx active
- NL NL285091D patent/NL285091A/xx unknown
- BE BE625855D patent/BE625855A/xx unknown
-
1962
- 1962-03-15 US US179853A patent/US3109123A/en not_active Expired - Lifetime
- 1962-11-28 FR FR916847A patent/FR1339981A/fr not_active Expired
- 1962-12-08 DE DE19621441243 patent/DE1441243B2/de active Pending
-
1963
- 1963-01-17 GB GB2163/63A patent/GB969833A/en not_active Expired
- 1963-03-12 SE SE2707/63A patent/SE316239B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL285091A (nl) | |
DE1441243B2 (de) | 1970-07-09 |
DE1441243A1 (nl) | 1970-07-09 |
US3109123A (en) | 1963-10-29 |
SE316239B (nl) | 1969-10-20 |
NL130734C (nl) | |
FR1339981A (fr) | 1963-10-11 |
GB969833A (en) | 1964-09-16 |