EP0259606A1 - Collecteur de faisceau électronique pour un tube à temps de transit - Google Patents

Collecteur de faisceau électronique pour un tube à temps de transit Download PDF

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Publication number
EP0259606A1
EP0259606A1 EP87111286A EP87111286A EP0259606A1 EP 0259606 A1 EP0259606 A1 EP 0259606A1 EP 87111286 A EP87111286 A EP 87111286A EP 87111286 A EP87111286 A EP 87111286A EP 0259606 A1 EP0259606 A1 EP 0259606A1
Authority
EP
European Patent Office
Prior art keywords
electron beam
insulating parts
collecting electrodes
metallic outer
collector
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.)
Granted
Application number
EP87111286A
Other languages
German (de)
English (en)
Other versions
EP0259606B1 (fr
Inventor
Wilhelm Bibracher
Josef Ing. Grad. Hauser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0259606A1 publication Critical patent/EP0259606A1/fr
Application granted granted Critical
Publication of EP0259606B1 publication Critical patent/EP0259606B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01J23/027—Collectors
    • H01J23/0275—Multistage collectors

Definitions

  • the invention relates to an electron beam receiver according to the preamble of patent claim 1.
  • a multi-stage collector for runtime tubes especially traveling wave tubes is known, with several collecting electrodes surrounding the electron beam, which are spaced apart by insulating bodies (spacers), which are in fixed connection with the collecting electrodes spaced from them, whereby these electrodes are each covered by a sleeve with a small thermal expansion in comparison to the electrodes, such that the radial thermal expansion of the spacers connected to the electrodes is adapted. All parts of the electron beam collector are soldered together at their contact surfaces.
  • a catcher for charge carriers of electrical discharge vessels which essentially consists of coal and is formed in one stage.
  • the carbon body forming the active part of the collector is inserted into a metal sheathing in such a way that the major part of the carbon body used is at a short distance from the metal sheathing.
  • the invention has for its object to provide a multi-stage collector, which is characterized by perfect electrical insulation of the collecting electrodes and mechanical robustness by optimal dissipation of the heat caused by high electrical power loss and which is particularly easy to manufacture.
  • the advantages achieved by the invention are, in particular, that instead of the previous complex soldering technique when assembling the individual parts of the electron beam collector, a simple clamping technique is now used. In this way, complex metallizations of metal-ceramic parts to be soldered are avoided. In addition, the uncertainties that arise when soldering with regard to exact connections of the individual parts cannot occur. Optimal heat dissipation of the heat loss occurring at the collecting electrodes is achieved through the intimate connection of metal and insulating parts caused by the shrinking on, and through the choice of particularly good heat-conducting insulating materials for the insulating parts. In addition, there are no insulation problems with regard to the dielectric strength between the collecting electrodes and between these and the outer or vacuum envelope compared to known electron beam collectors.
  • the electron beam collector shown in FIGS. 1 and 2 is designed as a two-stage collector and essentially consists of two hollow cylindrical collecting electrodes 1, 2 arranged one behind the other in the direction of the electron beam axis.
  • the first collecting electrode 1 has an electron beam inlet opening, and the second collecting electrode is designed as a collecting base.
  • the bottom is tapered to prevent backflow of electrons.
  • a plurality of insulating parts 4 extending in the axial direction are arranged between the two collecting electrodes 1, 2 and the metallic outer or vacuum envelope 3.
  • the elongated insulating parts 4 are two half-shells.
  • segments or rods can also advantageously be used as insulating parts 4. Another shape is also possible for the elongated insulating parts 4.
  • the collecting electrodes 1, 2 and the outer or vacuum envelope 3 are preferably made of copper.
  • the collecting electrodes 1, 2 and / or the outer and vacuum sheath 3 can, however, consist of molybdenum or similar metals or alloys instead of copper.
  • the metallic outer or vacuum sleeve 3 is shrunk onto the elongated insulating parts 4, in such a way that the elongated insulating parts (half-shells) 4 are pressed onto the collecting electrodes 1, 2 and the metallic outer or vacuum sleeve 3.
  • the shrinking is expediently carried out as follows: First, the elongate insulating parts 4, in this example the two half-shells, are held on the collecting electrodes 1, 2 which are spaced apart from one another. This can be done, for example, by means of clamps made of molybdenum, for example. It is advantageous to use collecting electrodes 1, 2, each of which has at least one projection 5, the elongate insulating parts 4, here the two half-shells, each being provided with corresponding inner grooves 6, so that the parts can be plugged together, and in compliance the specified dimensions. However, it can it may also be expedient to fix it by means of pins, notches, steps or the like instead of by means of projections and corresponding internal grooves in the parts to be joined.
  • the collecting electrodes 1, 2 with the elongated insulating parts 4 are inserted into the metallic outer or vacuum envelope 3 previously heated to a temperature of approximately 500 ° C. to 800 ° C., for example by quartz lamps in an oven. Then the outer or vacuum sleeve 3 is cooled again and shrinks during this process onto the insulating parts 4, so that the required mechanically robust connection between the collecting electrodes 1 and 2, the elongated insulating parts 4 and the outer or vacuum sleeve is created.

Landscapes

  • Microwave Tubes (AREA)
EP87111286A 1986-08-29 1987-08-04 Collecteur de faisceau électronique pour un tube à temps de transit Expired - Lifetime EP0259606B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3629461 1986-08-29
DE3629461 1986-08-29

Publications (2)

Publication Number Publication Date
EP0259606A1 true EP0259606A1 (fr) 1988-03-16
EP0259606B1 EP0259606B1 (fr) 1991-01-23

Family

ID=6308493

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87111286A Expired - Lifetime EP0259606B1 (fr) 1986-08-29 1987-08-04 Collecteur de faisceau électronique pour un tube à temps de transit

Country Status (4)

Country Link
US (1) US4840595A (fr)
EP (1) EP0259606B1 (fr)
JP (1) JPH0754666B2 (fr)
DE (1) DE3767617D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361047A2 (fr) * 1988-09-30 1990-04-04 Thomson Tubes Electroniques Tube à onde progressive
DE3913064A1 (de) * 1989-04-21 1990-10-25 Licentia Gmbh Elektronenauffaenger fuer eine elektronenstrahlroehre
DE3913538A1 (de) * 1989-04-25 1990-10-31 Licentia Gmbh Elektronenauffaenger fuer eine elektronenstrahlroehre
GB2261765A (en) * 1991-11-19 1993-05-26 Int Standard Electric Corp Collector for a travelling-wave tube
EP0597366A1 (fr) * 1992-11-12 1994-05-18 Licentia Patent-Verwaltungs-GmbH Tube électronique

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2650702B1 (fr) * 1989-08-01 1996-07-05 Thomson Tubes Electroniques Tube hyperfrequence muni au moins d'une piece axiale emmanchee a froid dans une enveloppe coaxiale
US5964633A (en) * 1997-12-15 1999-10-12 Hughes Electronics Corporation Method of heat shrink assembly of traveling wave tube
JP6452533B2 (ja) * 2015-04-17 2019-01-16 三菱電機株式会社 電子管用コレクタ
CN105788998B (zh) * 2016-04-19 2017-11-21 北京航空航天大学 一种小尺寸、小功率钡钨空心阴极

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076159A (en) * 1961-09-29 1963-01-29 Hewlett Packard Co Waveguide coupling apparatus
US3208126A (en) * 1962-05-14 1965-09-28 Sperry Rand Corp Method for making traveling wave tubes
FR2038785A5 (fr) * 1969-03-28 1971-01-08 Thomson Csf
US3586100A (en) * 1968-09-28 1971-06-22 Nippon Electric Co Heat dissipating devices for the collectors of electron-beam tube
US3751802A (en) * 1970-12-02 1973-08-14 Litton Systems Inc Method of manufacturing a ceramic ball insulated depressed collector for a microwave tube
FR2219518A1 (fr) * 1973-02-23 1974-09-20 Thomson Csf
DE2906657A1 (de) * 1979-02-21 1980-08-28 Licentia Gmbh Lauffeldroehre

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3394453A (en) * 1965-10-04 1968-07-30 Itt Traveling wave tube assembly
DE7638159U1 (de) * 1976-12-06 1977-06-16 Siemens Ag, 1000 Berlin Und 8000 Muenchen Lauffeldroehre mit einer wendelartigen verzoegerungsleitung
JPS60258831A (ja) * 1984-06-06 1985-12-20 Nec Corp マイクロ波用電子管

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3076159A (en) * 1961-09-29 1963-01-29 Hewlett Packard Co Waveguide coupling apparatus
US3208126A (en) * 1962-05-14 1965-09-28 Sperry Rand Corp Method for making traveling wave tubes
US3586100A (en) * 1968-09-28 1971-06-22 Nippon Electric Co Heat dissipating devices for the collectors of electron-beam tube
FR2038785A5 (fr) * 1969-03-28 1971-01-08 Thomson Csf
US3751802A (en) * 1970-12-02 1973-08-14 Litton Systems Inc Method of manufacturing a ceramic ball insulated depressed collector for a microwave tube
FR2219518A1 (fr) * 1973-02-23 1974-09-20 Thomson Csf
DE2906657A1 (de) * 1979-02-21 1980-08-28 Licentia Gmbh Lauffeldroehre

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0361047A2 (fr) * 1988-09-30 1990-04-04 Thomson Tubes Electroniques Tube à onde progressive
EP0361047A3 (fr) * 1988-09-30 1991-04-10 Thomson Tubes Electroniques Tube à onde progressive
DE3913064A1 (de) * 1989-04-21 1990-10-25 Licentia Gmbh Elektronenauffaenger fuer eine elektronenstrahlroehre
DE3913538A1 (de) * 1989-04-25 1990-10-31 Licentia Gmbh Elektronenauffaenger fuer eine elektronenstrahlroehre
GB2261765A (en) * 1991-11-19 1993-05-26 Int Standard Electric Corp Collector for a travelling-wave tube
GB2261765B (en) * 1991-11-19 1995-05-17 Int Standard Electric Corp A collector for an electron tube
EP0597366A1 (fr) * 1992-11-12 1994-05-18 Licentia Patent-Verwaltungs-GmbH Tube électronique

Also Published As

Publication number Publication date
US4840595A (en) 1989-06-20
JPS6364245A (ja) 1988-03-22
EP0259606B1 (fr) 1991-01-23
JPH0754666B2 (ja) 1995-06-07
DE3767617D1 (de) 1991-02-28

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