CN1055780C - Electron beam tubes - Google Patents
Electron beam tubes Download PDFInfo
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- CN1055780C CN1055780C CN94190182A CN94190182A CN1055780C CN 1055780 C CN1055780 C CN 1055780C CN 94190182 A CN94190182 A CN 94190182A CN 94190182 A CN94190182 A CN 94190182A CN 1055780 C CN1055780 C CN 1055780C
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- beam tube
- endosome
- insulating material
- ectosome
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- 210000001163 endosome Anatomy 0.000 claims description 51
- 210000002583 cell-derived microparticle Anatomy 0.000 claims description 49
- 239000011810 insulating material Substances 0.000 claims description 29
- 238000009413 insulation Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 229920002379 silicone rubber Polymers 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 239000004945 silicone rubber Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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Classifications
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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
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/04—Tubes having one or more resonators, without reflection of the electron stream, and in which the modulation produced in the modulator zone is mainly density modulation, e.g. Heaff tube
-
- 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
- H01J23/14—Leading-in arrangements; Seals therefor
- H01J23/15—Means for preventing wave energy leakage structurally associated with tube leading-in arrangements, e.g. filters, chokes, attenuating devices
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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
- H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
- H01J23/38—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the discharge
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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
- H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
- H01J23/54—Filtering devices preventing unwanted frequencies or modes to be coupled to, or out of, the interaction circuit; Prevention of high frequency leakage in the environment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2223/00—Details of transit-time tubes of the types covered by group H01J2225/00
- H01J2223/14—Leading-in arrangements; Seals therefor
- H01J2223/15—Means for preventing wave energy leakage structurally associated with tube leading-in arrangements, e.g. filters, chokes, attenuating devices
Landscapes
- Electron Sources, Ion Sources (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Insulating Bodies (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Details Of Indoor Wiring (AREA)
Abstract
The input cavity (6) surrounds an electron gun (1) and permits electrical connection to be made to the cathode (2) and grid (3) via parts of the inner body portion (20 and 21). The construction enables high voltage parts of the arrangement to be insulated from the low voltage outer body portion whilst presenting a low leakage path for r.f. energy within the cavity (6).
Description
The present invention relates to electron-beam tube, more particularly, relate to the input resonant cavity that in these pipes, is added with high-frequency energy.
The present invention is specially adapted to four utmost point devices (after this being called " IOT ") of perception output, for example the klystron of trade mark Klystrode (registered trade mark of Varian Associates Inc) by name.
The IOT device comprises the electron gun and the input resonant cavity that produce the linear electron bundle, adds r.f. (radio frequency) signal that remains to be amplified in resonant cavity, produces the electron beam modulation with the grid at electron gun.After this synthetic interaction between r.f. energy and electron beam causes the amplification of the high-frequency signal that is extracted by the output resonant cavity.
During pipe work, the electrode of electron gun must be worked under several kilovolts quite high voltage, particularly this may have problems under input cavity may be the situation of the outer part of pipe of IOT, therefore must between the normal operating period of device, be handled, the present invention arises from and attempts to provide a kind of improved IOT input cavity device, but also can be applied to have the linear electron bundle device of the other types of importing resonant cavity.
According to first design of the present invention, a kind of linear electron-beam tube is provided, it comprises:
One input cavity, it is actually the cylinder cavity around longitudinal axis, and it is installed to receive high-frequency signal to be amplified in use;
One electron gun is installed being to produce electron beam on the longitudinal direction basically; And
One output cavity, the high-frequency signal of amplification extracts from this output cavity; Wherein
Input cavity is basically round electron gun, and comprise: the endosome section that is electrically connected to the electron gun part, and with the ectosome section of endosome section electric insulation, compare with the ectosome section, the endosome section maintains high voltage, and endosome wherein and ectosome section each all comprise one be basically common in the axial direction extend extend axially flange, and electrical insulating material is housed between flange.
" high pressure " here index magnitude is several kilovolts voltage.
Use the present invention, can make, make them be not easy approaching in the normal work period of pipe in the quite such set of various piece of the linear electron-beam tube of high voltage operation.In addition, the flange of interior ectosome section is installed, and can make this two bodies section separately, to obtain required electric insulation between them.While can make from the r.f. electric leakage of input cavity little, thereby provides high efficiency work.Moreover each flange is with substantially the same direction extension, so they are parallel each other basically.Do advantageous particularly like this, because of it can reduce electric stress, even thereby when high voltage, the voltage breakdown that occurs between the ectosome section in also can being reduced in.Also have, this arrangement of interior ectosome section, the extending axially of flange made and assembles all than being easier to, thereby also more cheap.
Flange preferably is columnar basically, and symmetrical structure is wanted in linear electron-beam tube usually, because of it can provide excellent electric characteristics, and causes the firm device of mechanical performance.
Preferably the ectosome section respectively all comprises two in the axial direction from the outward extending flange of input cavity in each, thereby two pairs of common flanges that extend are arranged.It is minimum that r.f. loss in the zone in such device can make between the ectosome section is reduced to.Though internal cavities can another form include only a pair of flange, this can make and occur r.f. electric leakage path between other parts of cavity.
The endosome section preferably includes electric two joints separated from one another, does like this to make and makes and assemble easily, and help making different voltage can be applied to the different piece of electron gun through this endosome section.In a most preferred embodiment of the present invention, the endosome section is electrically connected to the negative electrode and the grid of electron gun.Comprise in the endosome section under the situations of two joints, a joint can be in fact with electric on be connected to negative electrode, another joint is connected to grid.
It is favourable that electrical insulating material is cylindric usually.Do that like this insulation is distributed with the longitudinal axis of symmetric mode around pipe, and mechanical support and robustness can be provided.Comprise at device under the situation of two pairs of flanges that electrical insulating material can occur by two rings that separate, and for example, is inserted between a pair of flange in the ring, is inserted in another between the flange in another ring.Another kind of way, electrical insulating material is an integral body of extending between two pairs of flanges preferably.
Is favourable with endosome and ectosome section with actual the coupling together of electrical insulating material, for example the special shape of this moldable one-tenth.
Preferably make the ectosome section be in earth potential.
According to second design of the present invention, a kind of linear electron-beam tube is provided, it comprises:
One input cavity, it is the cylinder cavity around longitudinal axis basically, installs to receive high-frequency signal to be amplified in use;
One electron gun, being installed in is to produce electron beam on the longitudinal direction basically; And
One output cavity, the high-frequency signal of amplification extracts from this output cavity; Wherein
Input cavity is basically round electron gun, and comprises: be electrically connected to the endosome section of electron gun part, and with the ectosome section of endosome section electric insulation, compare with the ectosome section, the endosome section maintains high voltage, and
Wherein each relevant portion of having of endosome and ectosome section extends jointly, and so that the high-frequency energy in the internal cavities is produced the chokes impedance, and the edge that wherein terminates in one or more part in the zone that other body sections of a part extend is crooked.
Use this design of the present invention, the voltage blocking (voltage hold-off) of increase is obtained in common part of extending.The curved edge of this part or each several part is compared with the device that does not have this bending, and electric stress can reduce when electric field line concentrates on the end of part.Therefore, adopt the present invention, can bigger design flexibility be arranged in the selection space between the common extension.Do like this and can cause more efficiently chokes impedance, also can cause more compact device.
May have only one of them part to have crooked edge, but general best two parts or all parts all have the curved edge that terminates in the high electric field region.
In a most preferred embodiment of the present invention, the various piece that comprises its edge all is the plane basically, and the edge is then in the plane outside sweep, and this each several part can be dull and stereotyped, perhaps can be plane and curved surface, i.e. cylinder.Under latter event, the edge is exactly the end of cylinder, and can be inside or outwardly-bent, decides on concrete device.In another alternative embodiment, crooked edge is the prominent cardiac prominence edge of circular section, and is similar to the crimping along the end of parts.For example, it can be the zone of a thickness in the inner rim thickening of circular flat board.
The edge is preferably crooked, makes its end adjoin basically in the zone away from this part at edge.The edge can be fully crooked, so that in fact its end contacts with the surface of this part, perhaps separates a little with it.In a most preferred embodiment, the edge is with the constant radius bending of curvature substantially.Yet the edge can fold so that more oval-shaped cross section to be provided.
In another embodiment of the present invention, said each relevant portion extends on the plane of the crosscut longitudinal axis basically.In specific embodiment, one of them body section comprises it being two parts of extending basically on transverse direction therein, and another individual section comprises part between the body section.In this device, the part of two outermosts has edge crooked on away from the direction of a said part, thereby is favourable.A said part can be placed in than other parts more on the position near one of two parts.In this case, preferably have one away from the crooked edge of part, this part is near the edge.In the useful especially embodiment of the present invention, each several part is a circular slab, provides a kind of device of cylindrical shape symmetry.
In another embodiment of the present invention, each several part is axially extended flange, extends jointly in the axial direction basically.Preferably flange is cylindrical shape basically.
In many devices, comprise that between the part of said common extension electrical insulating material is useful.Do to obtain good voltage blocking (vollaye hold-off) like this, mechanical stability that also can modifying device.It is favourable that at least one said part to small part is nuzzled in the electrical insulating material.In some devices,, preferably be closed the part in the material is whole in order to obtain best breakdown characteristics.
Preferably endosome and ectosome section can comprise two pairs of common relevant portions that extend.It is minimum that this device can reduce to the r.f. loss in the zone between endosome and the ectosome section.
Preferably the endosome section comprises two parts of electric insulation each other.In a most preferred embodiment of the present invention, the endosome section is electrically connected to the resistance utmost point and the grid of electron gun.Comprise in the endosome section under the situation of two joints that wherein a joint can be electrically connected to negative electrode practically, another joint then is connected to grid.
Usually to be cylindric be favourable to the electrical insulating material of set between common part of extending.
According to the 3rd design of the present invention, a kind of linear electron-beam tube is provided, it comprises:
One input cavity, it is actually the cylinder cavity around longitudinal axis, and it is installed to receive high-frequency signal to be amplified in use;
One electron gun is installed being to produce electron beam on the longitudinal direction basically; And
One output cavity, the high-frequency signal of amplification extracts from this output cavity; Wherein
Input cavity is basically round electron gun, and comprises: be electrically connected to the electron gun part the endosome section and with the ectosome section of endosome section electric insulation, compare with the ectosome section, the endosome section maintains high voltage, and
Wherein endosome and ectosome section have common basically each relevant portion that extends, and are equipped with the deformable elastic electrical insulating material between said relevant portion.
According to electron-beam tube of the present invention, use at pipe, shipment, handle, during for example maintenance needs, can bear mechanical shock and stress.In conventional pipe, vibrations may cause crackle or the other defect that occurs between the part of device.When crackle forms the path that produces electrical breakdown, be at each several part under the situation of electromotive force very inequality, this may cause serious problem.Use the present invention, the globality of electrical insulating material itself also has the interface of itself and other parts of pipe, owing to material is got back to its original state again after easily deformable under mechanical shock, can remain unchanged.Therefore, although the rigidity of pipe is lost in the input area, the significant improvement of the latch-up characteristic of electricity has very big benefit under harmful condition.The elastic property of insulating material has reduced interstitial trend between material and adjacent rigid object.Therefore, be under uniform dielectric constant can keep basically on the whole electric insulation, this point is very important to avoiding producing electrical breakdown by insulating material.
In a most preferred embodiment of the present invention, electrical insulating material is a silicone rubber.This is a kind of material that obtains easily, it conform with required form and can not comprise bubble or and so on thing, and can bear bigger electric stress by it.
Though silicone rubber can obtain required configuration with other manufacturing technologies, preferably adopts mould pressing technology.
Partly to be embedded in the electrical insulating material be favourable at least one part in the said part.In order to obtain best breakdown characteristics, in some devices, preferably each several part all is encapsulated in this material.
In one embodiment of the invention, said each relevant portion is the member that extends on the plane of crosscut longitudinal axis basically, it is the member that transverse direction is extended basically that the individual section of in endosome and the ectosome section preferably includes two, and another individual section comprises that one is between the member that extends on the transverse direction and two members that are plugged on other body sections basically.A kind of like this device is particularly conducive to and prevents that the r.f energy from letting out from input cavity.
In other advantageous embodiments of the present invention, said part is the common basically axially extended flange that extends on an axial direction.These flanges extend in identical direction basically, thereby parallel each other basically, so electric stress is reduced to minimum.
This device of endosome and ectosome section and axially extended flange is made and is assembled than being easier to, thereby is cheap.
Preferably each flange is columnar basically.
Endosome and ectosome section preferably all comprise two pairs of common relevant portions that extend.
Now can realize certain methods of the present invention by the example reference description of drawings, in the accompanying drawing:
Fig. 1 is the cross sectional view according to IOT of the present invention, for clarity sake, has omitted some parts; And
Fig. 2-7 illustrates according to each different IOT of the present invention.
Referring to Fig. 1, IOT comprises an electron gun 1 among the figure, and electron gun 1 comprises negative electrode 2 and grid 3, installs to produce electron beam along device longitudinal axis X-X.IOT comprises drift tube 4 and 5, and electron beam passes through via these drift tubes before being collected by the current collector (not shown).Near around the electron gun 1, settle cylindrical shape input resonant cavity 6 coaxially, it comprises input coupler 7, add the r.f. signal that remains to be amplified herein, output cavity 8 is around drift tube 4 and 5 and comprise coupling circuit 9, through this loop the r.f. that amplifies extracted and it is coupled into secondary output cavity 10 and output coupler 11.
This device during operation, negative electrode 2 and 3 grids maintain the electromotive force of the 30KV order of magnitude, grid 3 maintains a direct current bias voltage, and is little about 100 volts than the Dc bias of negative electrode.The input high-frequency signal that is added in 7 places causes the r.f voltage at hundreds of volts of negative electrode 2 and 3 generations of grid.
Two annular slabs 15 and 16 are installed to such an extent that be parallel to each other and crosscut longitudinal axis X-X, form outer body portion with the cylindrical outer wall 17 that extend the outside of a regulation cavity 6.The interior section of ectosome section 13 comprises two cylindrical flanged 18 and 19, from cavity volume stretch out and be positioned to around the axle X-X cylindrical shape.
The inner surface of member 14 is included in the annular groove 25 around negative electrode 2 and the grid 3, and with improvement voltage blocking ability, yet in other embodiments, this surface can be smooth.
The aperture of power supply lead wire 26 in flange 19 provides suitable bias-voltage for grid 3 by dielectric substance, is maintained the electric insulation of ectosome section 13 simultaneously, and this connection arrives joint 21 via lead-in wire 26.
Another kind of IOT is shown in Fig. 2, and similar to the device of Fig. 1.But in this device, internal cavities 27 comprise one form an ectosome section part extend axially body section 28.
Referring to Fig. 3, IOT wherein is to shown in Figure 2 similar, and identical part is also used identical label, but comprises a different interface between endosome and ectosome section.
The endosome section comprises two joints.First segment 20 is with machinery and be electrically connected to negative electrode 2, and second joint 21 is with machinery be electrically connected to grid 3.In an illustrated embodiment, there is a ceramic cylinder 22 to be placed between the joint 20 and 21.
Two flanges 18 and 23 have edge 29 and 30, and they are bent away from each other, make each end of flange be isolated with other body sections by the part that extends axially of this flange.Be fixed to settle and be able to smoothed curve and be connected, so that reduce electric stress between two individual sections by the ectosomes of plate 15 and 20 regulations and the flange 18 of endosome section and 23 part.
Another cylindrical flanged 19 and 24 to common extension is crooked in a similar manner, and their connecting plates 16 to 21 in this case.Inner flange 24 extends in the axial direction with half of outward flange 19 length approximately, therefore, inner flange 24 terminate in one with outward flange 19 common zones of extending on, as for 19 positions that terminate in away from inner flange of outward flange.Inner flange 24 has a curved edge 31 that is bent away from outward flange 19.
In the device of the part of this common extension, the end 28 of outward flange 19 is not in the plane of flange 19 outside sweep.
Another IOT shown in Figure 4 is similar with the device of Fig. 3 in many aspects.The part that internal cavities comprises is extended being transverse on the y direction basically, and these parts are planted, required D.C. isolation to be provided between endosome section 32 and ectosome section 33 and to provide r.f. to suppress.Endosome section 32 comprises two plectanes 34 and 35.One of them plate 34 is electrically connected to negative electrode and is plugged on Circular Plate 36 and forms between the Circular Plate 36 of ectosome section 33 parts.Circular Plate 35 is connected to gate electrode and is plugged between Circular Plate 38 and 39, and Circular Plate 38 and 39 limits annular channel, and plate 35 promptly extends into this raceway groove.The electrical insulating material 40 of the elastically deformable of being made by silicone rubber between the lateral part of planting occupies.
The Circular Plate 36,37 of ectosome section and 38,39 outwardly-bent from endosome section plant part, but do not touch the surface of plate.
Fig. 5 explanation is according to the parts of another IOT of the present invention, and it is a longitudinal section, has only some elements of IOT to display.Each element is around axle X-X cylinder symmetrical placement.
The internal cavities 41 of IOT comprises an ectosome section that is limited together with the outer cylindrical wall (not shown) by plate 42 and 43.Metallic cylindrical body 44 is installed on one of them plate 42 by a plurality of screws around it, and a screw only is shown among the figure.Two Circular Plate 45 and 46 are fixed on each end of cylinder 44, and are extending internally in the radial direction from each end.IOT comprises a gate electrode 47, and it is installed on its Circular Plate 48, and extends between the plate 46 of the part of the ectosome section of slave plate 45 and formation internal cavities 41.Plate 45,46 and 48 limits the impedance of r.f chokes together, to prevent the loss from the r.f energy of cavity 41.Plate 45 and 46 has inward flange, and these edges are outwardly-bent from the plate between them 48.Plant plate 48 is positioned at and leaves in the axial direction on the plane of lower plate 46 apart from a, and leaves upper plate 46 1 big distance b.But the curvature of its end should make the closest approach from the plant plate 48 of upper plate 46 also be a in the axial direction.Zone between the plate 45,46 and 48 comprises electrical insulating material, with the voltage blocking between the improvement plate, thereby bigger electrical potential difference can be added between endosome and the ectosome section.
The plate 43 that limits the ectosome section also is connected to Circular Plate 49 and 50 and being generally on the columnar external member of mounting panel 49 and 50 in the mode of electricity.The median plate 52 of endosome section is connected to the negative electrode (not shown) of IOT electron gun.Endosome section 52 is also settled with the similar manner of plate 45,46 and 48 with respect to the interval of plate 49 and 50.
In this device, the endosome section of internal cavities 41 is mainly limited by plate 48 and 52, and these plates itself also are the parts of endosome section, and these parts and the corresponding part of ectosome section are extended jointly.
The device of Fig. 6 explanation is to shown in Figure 5 similar.But in this device, form plate 53 and 54 equidistant separating between the adjacent panels 55,56,57 and 58 of ectosome section of an endosome section part.The outward flange of the inward flange of each plate of ectosome section and each plate of endosome section is by the flange limit that is the circular section basically, so that provide required curved edge of the present invention.
Another kind of IOT shown in Figure 7 and the device of Fig. 4 are similar, it has the internal cavities that comprises each several part, these parts are being to be transverse on the direction of the longitudinal axis to extend basically, and planted, between endosome section and ectosome section, providing required D.C. isolation, can provide low r.f. to leak in that these bodies are intersegmental again simultaneously.But in the present invention, each transverse plate there is no crooked end, and the zone between the lateral part of each plant is occupied by the elastically deformable electrical insulating material that is silicone rubber again.
Claims (16)
1. linear electron-beam tube comprises:
One input cavity, it comes down to the cylinder cavity around longitudinal axis, installs to receive the high-frequency signal that will amplify in use;
One electron gun is installed substantially being to produce electron beam on the longitudinal direction; And
One output cavity, the high-frequency signal of amplification extracts from this output cavity; It is characterized in that,
Input cavity is in fact round electron gun, and comprises: be electrically connected to the electron gun part the endosome section and with the ectosome section of endosome section electric insulation, compare with the ectosome section, the endosome section maintains high voltage, and
Wherein and the ectosome section respectively comprise in the axial direction common in fact extend extend axially flange, and electrical insulating material is between flange, each flange is brought into play the effect of the high-frequency energy that minimizing sews from input cavity with described electrical insulating material.
2. linear electron-beam tube as claimed in claim 1 is characterized in that, described flange is columnar basically.
3. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, described in and the ectosome section respectively comprise in the axial direction outward extending two flanges of cavity internally.
4. linear electron-beam tube as claimed in claim 3 is characterized in that, described insulating material extends between two pairs of flanges in the mode of single member.
5. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, described endosome section comprises two joints of electricity isolation each other.
6. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, described endosome section is electrically connected to the negative electrode and the grid of electron gun.
7. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that described electrical insulating material is got cylindric usually.
8. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, described in and the ectosome section in fact couple together by electrical insulating material.
9. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, described ectosome section is in earth potential.
10. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, is provided with to be electrically connected between described input cavity outside and the endosome section by insulating material.
11. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, has at least a flange to be embedded in the described electrical insulating material in the described flange.
12. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, the surface of described electrical insulating material comprises at least one peripheral groove.
13. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, the curved shape in one side of one or more described flanges.
14. linear electron-beam tube as claimed in claim 1 or 2 is characterized in that, described electrical insulating material is resiliently deformable.
15. linear electron-beam tube as claimed in claim 14 is characterized in that, the described material that is resiliently deformable is a silicon rubber.
16. linear electron-beam tube as claimed in claim 15 is characterized in that, described electrical insulating material is to form required structure by cast.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9307552.1 | 1993-04-13 | ||
| GB9307552A GB2277193B (en) | 1993-04-13 | 1993-04-13 | Electron beam tubes |
| GB9308003A GB2277194B (en) | 1993-04-13 | 1993-04-19 | Electron beam tubes |
| GB9308003.4 | 1993-04-19 | ||
| GB9309660A GB2278012B (en) | 1993-05-11 | 1993-05-11 | Electron beam tubes |
| GB9309660.0 | 1993-05-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1104414A CN1104414A (en) | 1995-06-28 |
| CN1055780C true CN1055780C (en) | 2000-08-23 |
Family
ID=27266651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94190182A Expired - Lifetime CN1055780C (en) | 1993-04-13 | 1994-04-13 | Electron beam tubes |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPH07508129A (en) |
| CN (1) | CN1055780C (en) |
| DE (1) | DE4412771A1 (en) |
| FR (1) | FR2704093B1 (en) |
| IT (1) | IT1273140B (en) |
| WO (1) | WO1994024690A2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380803B2 (en) | 1993-09-03 | 2002-04-30 | Litton Systems, Inc. | Linear amplifier having discrete resonant circuit elements and providing near-constant efficiency across a wide range of output power |
| DE4343423A1 (en) * | 1993-12-18 | 1995-06-22 | Philips Patentverwaltung | Electron tube with an input resonator cavity |
| EP0707334B1 (en) * | 1994-10-12 | 1998-11-18 | Eev Limited | Electron beam tubes |
| US6191651B1 (en) | 1998-04-03 | 2001-02-20 | Litton Systems, Inc. | Inductive output amplifier output cavity structure |
| US7029296B1 (en) * | 2000-02-07 | 2006-04-18 | Communication And Power Industires | Cover assembly for vacuum electron device |
| US6617791B2 (en) | 2001-05-31 | 2003-09-09 | L-3 Communications Corporation | Inductive output tube with multi-staged depressed collector having improved efficiency |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02132735A (en) * | 1988-11-11 | 1990-05-22 | Toshiba Corp | Manufacture of high-tension capacitor type input terminal |
| GB2243943A (en) * | 1990-03-09 | 1991-11-13 | Eev Ltd | Electron beam tube with input cavity |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0352961B1 (en) * | 1988-07-25 | 1994-09-07 | Varian Associates, Inc. | Klystrode frequency multiplier |
-
1994
- 1994-04-13 FR FR9404362A patent/FR2704093B1/en not_active Expired - Lifetime
- 1994-04-13 IT ITTO940285A patent/IT1273140B/en active IP Right Grant
- 1994-04-13 WO PCT/GB1994/000774 patent/WO1994024690A2/en unknown
- 1994-04-13 DE DE4412771A patent/DE4412771A1/en not_active Withdrawn
- 1994-04-13 CN CN94190182A patent/CN1055780C/en not_active Expired - Lifetime
- 1994-04-13 JP JP6522892A patent/JPH07508129A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02132735A (en) * | 1988-11-11 | 1990-05-22 | Toshiba Corp | Manufacture of high-tension capacitor type input terminal |
| GB2243943A (en) * | 1990-03-09 | 1991-11-13 | Eev Ltd | Electron beam tube with input cavity |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1994024690A2 (en) | 1994-10-27 |
| CN1104414A (en) | 1995-06-28 |
| FR2704093A1 (en) | 1994-10-21 |
| FR2704093B1 (en) | 1999-03-26 |
| ITTO940285A0 (en) | 1994-04-13 |
| DE4412771A1 (en) | 1994-10-20 |
| IT1273140B (en) | 1997-07-04 |
| WO1994024690A3 (en) | 1994-12-08 |
| ITTO940285A1 (en) | 1995-10-13 |
| JPH07508129A (en) | 1995-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: E2V TECHNOLOGY (UK) LIMITED Free format text: FORMER NAME OR ADDRESS: EEV LTD. |
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| CP03 | Change of name, title or address |
Address after: Essex Patentee after: E2V Technologies (UK) Ltd. Address before: Essex Patentee before: EEV Ltd. |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140413 Granted publication date: 20000823 |