CN104384925A - Magnetic separation-state cesium-beam tube state-selection magnet component assembly system and assembly detection method - Google Patents
Magnetic separation-state cesium-beam tube state-selection magnet component assembly system and assembly detection method Download PDFInfo
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- CN104384925A CN104384925A CN201410532263.7A CN201410532263A CN104384925A CN 104384925 A CN104384925 A CN 104384925A CN 201410532263 A CN201410532263 A CN 201410532263A CN 104384925 A CN104384925 A CN 104384925A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
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Abstract
The invention discloses a magnetic separation-state cesium-beam tube state-selection magnet component assembly system. The magnetic separation-state cesium-beam tube state-selection magnet component assembly system is used for assembling magnetic separation-state cesium-beam tube state-selection magnet components and integrating the assembly and detection, and is simple in structure and reliable and high efficient in assembling. The assembly system comprises an assembly soleplate, a limiting baffle plate, a pole end positioning column, a buffer plate, a positioning screw and a supporting leg, wherein the position and size of each part of the assembly system are determined according to the size and matching requirement of the state-selection magnet components, the structure is simple, the cost is low, the assembly operation flow is simplified in the assembling process, the probability that the magnet steel is damaged in the assembly process can be reduced, the distribution consistency of a magnetic field in a pole end can be improved, and the assembly quality of the cesium-beam tube product in the research process can be guaranteed. By adopting the assembly scheme of the assembly system, the detection on the appearance size of the A/B magnet can be simplified and integrated in the assembly process, and the assembly efficiency of the cesium-beam tube can be improved.
Description
Technical field
The present invention relates to magnetic separation state cesium beam tube mounting technology field, be specifically related to a kind of magnetic separation state cesium beam tube state selection magnet assemblies assembly system and assembly test method.
Background technology
The miniaturized cesium atomic frequency standard of magnetic separation state is a kind of vacuum electronic product that can be used for the national defence such as communication, navigation and civil area.Current domestic magnetic separation state cesium beam tube development assembling is in the pure manual stage substantially, efficiency of assembling is low, assembly precision is poor, how not only can meet beam optics technical indicator but also improve assembling and follow-up checkability is a difficult problem of pendulum in face of the miniaturized cesium atomic frequency standard development of magnetic separation state.
A/B magnet assemblies is as the functional unit providing state selection magnetic field, the technical indicator of halved tie optical centering plays conclusive impact, improve assembly precision and the efficiency of assembling of A/B magnet assemblies, quality and the efficiency of beam optics centering technique be will directly improve, quality and the efficiency of the miniaturized cesium atomic frequency standard product of magnetic separation state also just improve.A/B magnet assemblies is made up of base plate, cartridge, magnet steel, column, top board, existing magnet assembly assembly system is mainly used in the assembling of magnet assembly of large scale, high-intensity magnetic field power, generally take first magnetic circuit to be assembled complete, then by mechanical device, the mode that magnet steel loads is assembled, the advantage of this assembling mode to magnetize to magnet steel separately, reduce the requirement to magnetic field of magnetizing, the assembling mode of pure machinery reduces greatly to the injury that operating personnel may cause simultaneously.But because system relates to three-dimensional localization and movement, whole assembly system complex structure, cost is higher, operation requirements is relatively high, development demand adaptation for the miniaturized cesium atomic frequency standard of current domestic high accuracy magnetic separation state is not enough, therefore, need one more simple and easy and targetedly system carry out satisfied development demand.
Summary of the invention
In view of this, the invention provides a kind of magnetic separation state cesium beam tube state selection magnet assemblies assembly system, use this assembly system can assemble magnetic separation state cesium beam tube state selection magnet assemblies, and assembling and inspection are combined together, structure is simple, and assembling is reliable, efficient.
Magnetic separation state cesium beam tube state selection magnet assemblies assembly system of the present invention, described magnetic separation state cesium beam tube state selection magnet assemblies is made up of base plate, cartridge, magnet steel, column, top board, and described assembly system comprises: mounting bedplate, postive stop baffle, cartridge locating dowel, buffer substrate tablet, dog screw and leg; Wherein, leg is arranged on the lower surface of mounting bedplate; The upper surface of mounting bedplate is vertically installed with cartridge locating dowel and postive stop baffle, wherein, 4 cartridge locating dowels are positioned at the central authorities of mounting bedplate upper surface, wide consistent, the inner side fore-and-aft distance of the inner side lateral separation between 4 cartridge locating dowels and A/B magnet cartridge and the length of magnet steel is consistent, wide consistent, the outside fore-and-aft distance of outside lateral separation and the cartridge magnet steel assembled and the unanimously wide of column; The top of 4 cartridge locating dowels, bottom, left side and right side are separately installed with postive stop baffle, and the postive stop baffle of the left and right sides is referred to as middle part postive stop baffle; Wherein, the distance between top postive stop baffle and middle part postive stop baffle determines according to the top board design thickness of A/B magnet assemblies, and the distance between lower limit baffle plate and middle part postive stop baffle determines according to the back-plane design thickness of A/B magnet assemblies; Horizontal line between cartridge locating dowel is parallel with upper and lower part postive stop baffle, and the longitudinal line between cartridge locating dowel is parallel with left and right side postive stop baffle; Top postive stop baffle, left side postive stop baffle and right side postive stop baffle are respectively equipped with dog screw, and dog screw passes perpendicularly through postive stop baffle, and dog screw is provided with buffer substrate tablet near one end of cartridge locating dowel.
Further, the flatness of the upper surface of mounting bedplate 1 is better than 0.1mm.
Further, buffer substrate tablet is that pure copper material is made.
Further, cartridge locating dowel is that pure copper material is made.
Adopt magnetic separation state cesium beam tube state selection magnet assemblies assembly system of the present invention to carry out a method for assembly test, step is as follows:
Step 1, the base plate of A/B magnet assemblies is placed between lower limit baffle plate and middle part postive stop baffle, whether qualified according to the Distance test base plate size between lower limit baffle plate and middle part postive stop baffle, if defective, then replace base plate, until find the base plate of size qualification;
Step 2, the cartridge of A/B magnet assemblies is placed between 4 cartridge locating dowels, regulate the position of A/B magnet assemblies base plate, the installing hole of cartridge and base plate is fitted like a glove, with the dog screw of top postive stop baffle by completely locked for the relative position of A/B magnet assemblies cartridge and base plate, then installing hole and the cartridge of attachment screw connecting bottom board of going to the bottom be installed;
Step 3, the magnet steel of A/B magnet assemblies is mounted to the assigned address of A/B magnet assemblies cartridge by 4 cartridge locating dowels, by magnet steel slowly near cartridge locating dowel, if magnet steel can not mate completely with 4 cartridge locating dowels, then prove that the appearance and size of magnet steel does not meet the matching requirements of beam optics, change magnet steel until find satisfactory magnet steel; If magnet steel can mate completely with 4 cartridge locating dowels and can not mate completely with cartridge, then prove that cartridge size does not meet beam optics matching requirements, changes cartridge, returns step 2;
Two of A/B magnet assemblies columns are put to magnet steel both sides by step 4, if column can not mate completely with mounting base and cartridge locating dowel, then prove that column appearance and size does not meet beam optics matching requirements, changes column, until find satisfactory column; If column cannot mate with the installing hole of A/B magnet assemblies base plate with mounting base, cartridge locating dowel and magnet close contact, then prove that A/B magnet assemblies base plate installing hole size does not meet beam optics matching requirements, change base plate, until find size qualification, base plate that base plate installing hole size meets the demands; If the column of A/B magnet assemblies can fit like a glove with the installing hole of base plate and mate completely with mounting base and cartridge locating dowel, and column and magnet steel can not close contacts, then change column, until find the column met the demands, if after changing all columns, still can not meet the requirement of column and magnet steel close contact, then prove that the appearance and size of magnet steel does not meet beam optics matching requirements, change magnet steel, return step 3; After column mates all completely with mounting base, cartridge locating dowel, magnet steel and base plate, by after column locking, left and right attachment screw is installed with the dog screw on left and right side positioning baffle;
Step 5, unclamp the dog screw of top postive stop baffle, A/B magnet assemblies top board is put above column, if mounting of roof plate hole cannot be mated with two column installing holes, then prove that the position of mounting hole of A/B magnet assemblies top board does not meet beam optics matching requirements, change top board, until find satisfactory top board; Install top attachment screw after finally being locked by A/B magnet assemblies top board with the dog screw of top postive stop baffle and connect top board and column.
Beneficial effect:
(1) assembly system structure of the present invention is simple, cost is low, the operating process of assembling is simplified in assembling process, decrease magnet steel in the impaired possibility of assembling process, also improve the uniformity of cartridge internal magnetic field distribution simultaneously, ensured the assembly quality in cesium beam tube commercialization development process, and the assembling scheme of this assembly system simplifies the inspection to A/B magnet appearance and size, merged in the process of assembling, improve the efficiency of cesium beam tube assembling.
(2) with the depth of parallelism, the levelness of mounting bedplate, the flatness of mounting bedplate upper surface, the perpendicularity of postive stop baffle can ensure that the flatness of the fitting surface that A/B magnet assemblies directly contacts with mounting bedplate after mounting and perpendicularity meet beam optics matching requirements.
(3) relative position between cartridge locating dowel is determined according to cartridge and magnet steel size completely, not only accurately can locate the relative position of cartridge and magnet steel, also can judge in installation process whether magnet steel mates with cartridge size in advance, avoid directly being undertaken in assembling process by cartridge and magnet steel, the left and right due to magnetic field force causes magnet steel and cartridge to collide causing damage to magnet steel.Cartridge locating dowel adopts fine copper to make, and not only can avoid, by magnet steel influence of magnetic field, also can reducing as far as possible and causing damage to magnet steel.
(4) relative position between postive stop baffle is that the design size of parts contained by A/B magnet assemblies is determined, whether can meet the requirements by inspection accessory size while assembling, simultaneously, relative position between the part adopting dog screw to guarantee A/B magnet assemblies in installation process does not change, buffer substrate tablet is adopted to reduce assembling process to the damage of part, what parts can be made to be fixed in assembling is more firm simultaneously, reduces relative displacement.Adopt the buffer substrate tablet of fine copper can reduce assembling process to the damage of part and pollution.
(5) leg is adopted can to ensure the normal assembling of A/B magnet assemblies on the work top that flatness is better than 0.5mm.
(6) change existing technological process, and assembling and inspection are combined together.Traditional assembly technology flow process is: first assembled by A/B magnet assemblies magnetic circuit part, then magnet steel has been carried out detection of magnetizing, and is then installed by magnet steel in magnetic Circuit Design position, finally tests to the distribution of cartridge internal magnetic field and A/B magnet assemblies appearance and size.And cartridge and yoke base plate first position by this assembly test method, then by alinco assembled to cartridge assigned address, then yoke is assembled complete, finally carry out entirety to A/B magnet assemblies to magnetize, and the distribution of cartridge internal magnetic field is tested, in assembling process, utilize this assembly system to test to each part of A/B magnet assemblies, and take into full account machining accuracy and the cost of each parts of state selection magnet assemblies, can check out which part is defective very easily, machining accuracy is first eliminated low in assembling process, the part that cost is low, thus can reduce costs.
Accompanying drawing explanation
Fig. 1 is the top view of assembly system of the present invention.
Fig. 2 is the side view of assembly system of the present invention.
Fig. 3 is the schematic three dimensional views of assembly system of the present invention.
Fig. 4 is assembly test schematic flow sheet of the present invention.
Wherein, 1-mounting bedplate, 2-postive stop baffle, 3-cartridge locating dowel, 4-buffer substrate tablet, 5-dog screw, 6-leg.
Detailed description of the invention
To develop simultaneously embodiment below in conjunction with accompanying drawing, describe the present invention.
The invention provides a kind of magnetic separation state cesium beam tube state selection magnet assemblies assembly system, as shown in FIG. 1 to 3, comprise mounting bedplate 1, postive stop baffle 2, cartridge locating dowel 3, buffer substrate tablet 4, dog screw 5 and leg 6.Wherein, leg 6 is arranged on the lower surface of mounting bedplate 1, is horizontal for adjustment and guarantee mounting bedplate 1.The flatness of the upper surface of mounting bedplate 1 is better than 0.1mm, the upper surface of mounting bedplate 1 is vertically installed with cartridge locating dowel 3 and postive stop baffle 2, wherein, 4 cartridge locating dowels 3 are positioned at the central authorities of mounting bedplate upper surface, inner side lateral separation between 4 cartridge locating dowels 3 is wide consistent with A/B magnet cartridge, inner side fore-and-aft distance is consistent with the length of magnet steel, outside lateral separation between 4 cartridge locating dowels 3 is wide consistent with the cartridge magnet steel assembled, outside fore-and-aft distance between 4 cartridge locating dowels 3 is wide consistent with column, thus the assembly precision of cartridge and magnet steel can be ensured, simultaneously also can directly as the instruments of inspection of cartridge appearance and size.The top of 4 cartridge locating dowels 3, bottom, side, left and right are separately installed with postive stop baffle 2, the postive stop baffle of the left and right sides is referred to as middle part postive stop baffle, wherein, distance between top postive stop baffle and middle part postive stop baffle determines according to A/B magnet assemblies top board design thickness, the size of Direct Test top board whether can meet beam optics requirement in assembling process; Distance between lower limit baffle plate and middle part postive stop baffle determines according to A/B magnet assemblies back-plane design thickness, the size of Direct Test base plate whether can meet beam optics requirement in assembling process; The flatness of postive stop baffle 2 self and and mounting bedplate 1 between perpendicularity meet Beam Optics Design requirement completely, can ensure that the assembly precision of base plate and top board meets beam optics requirement.Horizontal line between cartridge locating dowel is parallel with upper and lower part postive stop baffle, and the longitudinal line between cartridge locating dowel is parallel with left and right side postive stop baffle.3 dog screws 5 are each passed through top postive stop baffle, left side postive stop baffle and right side postive stop baffle, and for the part of fixing A/B magnet assemblies, dog screw 5 end is provided with the buffer substrate tablet 4 be made up of pure copper material, avoids causing damage to piece surface.
Assembly test method is as follows:
Step 1, as shown in Fig. 4 (a), first the base plate of A/B magnet assemblies is placed between lower limit baffle plate and middle part postive stop baffle, because postive stop baffle 2 is vertical with mounting bedplate 1 upper surface, thus can ensures that the base plate of A/B magnet assemblies is completely vertical with mounting bedplate 1; Meanwhile, can be whether qualified according to the Distance test base plate size between lower limit baffle plate and middle part postive stop baffle, if defective, then replace base plate, until find the base plate of size qualification.
Step 2, as shown in Fig. 4 (b), the cartridge of A/B magnet assemblies is placed between 4 cartridge locating dowels 3, regulate the position of A/B magnet assemblies base plate, the installing hole of cartridge and base plate is fitted like a glove, now use the dog screw 5 of top postive stop baffle by completely locked for the relative position of A/B magnet assemblies cartridge and base plate, then attachment screw is installed.
Step 3, as shown in Fig. 4 (c), the magnet steel of A/B magnet assemblies is mounted to the assigned address of A/B magnet assemblies cartridge by 4 cartridge locating dowels 3, if magnet steel can not mate completely with 4 cartridge locating dowels 3, then prove that the appearance and size of magnet steel does not meet the matching requirements of beam optics, replace magnet steel; If magnet steel can mate completely with 4 cartridge locating dowels 3 and can not mate completely with cartridge, then prove that cartridge size does not meet beam optics matching requirements, changes cartridge, returns step 2.In the process of assembling, first by magnet steel slowly close cartridge locating dowel, namely judge whether magnet steel can mate with cartridge completely by magnet steel and the match condition of cartridge locating dowel 3, because cartridge locating dowel 3 adopts fine copper to make, not magnetic field force induced impact, can avoid magnet steel and cartridge directly to contact the damage that may bring magnet steel.
Step 4, column as shown in Fig. 4 (d), two of A/B magnet assemblies columns is placed to magnet steel both sides, if can not mate completely with mounting base 1 and cartridge locating dowel 3, then prove that column appearance and size does not meet beam optics matching requirements, changes column; If column cannot mate with the installing hole of A/B magnet assemblies base plate with mounting base 1, cartridge locating dowel 3 and magnet close contact, then prove that A/B magnet assemblies base plate installing hole size does not meet beam optics matching requirements, change base plate, make base plate meet size, installing hole dimensional requirement; If the column of A/B magnet assemblies can fit like a glove with the installing hole of base plate and mate completely with mounting base 1 and cartridge locating dowel 3, and column and magnet can not close contacts, consider that the machining accuracy of magnet steel is high, column machining accuracy is low, change column, if all columns all can not meet the requirement of column and magnet steel close contact, then prove that the appearance and size of magnet steel does not meet beam optics matching requirements, change magnet steel, return step 3.After column mates all completely with mounting base 1, cartridge locating dowel 3, magnet steel and base plate, after being locked by column with the dog screw 5 on left and right side positioning baffle, attachment screw is installed.
Step 5, as Fig. 4 (e), first unclamp the dog screw 5 of top postive stop baffle, A/B magnet assemblies top board is placed to the assigned address of installing floor board 1, if mounting of roof plate hole cannot be mated with two column installing holes, then prove that the position of mounting hole of A/B magnet assemblies top board does not meet beam optics matching requirements.After finally being locked by A/B magnet assemblies top board with the dog screw 5 of top postive stop baffle, attachment screw is installed.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a magnetic separation state cesium beam tube state selection magnet assemblies assembly system, described magnetic separation state cesium beam tube state selection magnet assemblies is made up of base plate, cartridge, magnet steel, column, top board, it is characterized in that, described assembly system comprises: mounting bedplate (1), postive stop baffle (2), cartridge locating dowel (3), buffer substrate tablet (4), dog screw (5) and leg (6); Wherein, leg (6) is arranged on the lower surface of mounting bedplate (1); The upper surface of mounting bedplate (1) is vertically installed with cartridge locating dowel (3) and postive stop baffle (2), wherein, 4 cartridge locating dowels (3) are positioned at the central authorities of mounting bedplate upper surface, wide consistent, the inner side fore-and-aft distance of the inner side lateral separation between 4 cartridge locating dowels and A/B magnet cartridge and the length of magnet steel is consistent, wide consistent, the outside fore-and-aft distance of outside lateral separation and the cartridge magnet steel assembled and the unanimously wide of column; The top of 4 cartridge locating dowels (3), bottom, left side and right side are separately installed with postive stop baffle (2), and the postive stop baffle of the left and right sides is referred to as middle part postive stop baffle; Wherein, the distance between top postive stop baffle and middle part postive stop baffle determines according to the top board design thickness of A/B magnet assemblies, and the distance between lower limit baffle plate and middle part postive stop baffle determines according to the back-plane design thickness of A/B magnet assemblies; Horizontal line between cartridge locating dowel is parallel with upper and lower part postive stop baffle, and the longitudinal line between cartridge locating dowel is parallel with left and right side postive stop baffle; Top postive stop baffle, left side postive stop baffle and right side postive stop baffle are respectively equipped with dog screw (5), dog screw (5) passes perpendicularly through postive stop baffle, and dog screw (5) is provided with buffer substrate tablet (4) near one end of cartridge locating dowel (3).
2. magnetic separation state cesium beam tube state selection magnet assemblies assembly system as claimed in claim 1, it is characterized in that, the flatness of the upper surface of mounting bedplate 1 is better than 0.1mm.
3. magnetic separation state cesium beam tube state selection magnet assemblies assembly system as claimed in claim 1, it is characterized in that, buffer substrate tablet is that pure copper material is made.
4. magnetic separation state cesium beam tube state selection magnet assemblies assembly system as claimed in claim 1, it is characterized in that, cartridge locating dowel is that pure copper material is made.
5. a magnetic separation state cesium beam tube state selection magnet assemblies assembly test method, is characterized in that, adopt the magnetic separation state cesium beam tube state selection magnet assemblies assembly system as described in Claims 1 to 4 any one to carry out assembly test, step is as follows:
Step 1, the base plate of A/B magnet assemblies is placed between lower limit baffle plate and middle part postive stop baffle, whether qualified according to the Distance test base plate size between lower limit baffle plate and middle part postive stop baffle, if defective, then replace base plate, until find the base plate of size qualification;
Step 2, the cartridge of A/B magnet assemblies is placed between 4 cartridge locating dowels, regulate the position of A/B magnet assemblies base plate, the installing hole of cartridge and base plate is fitted like a glove, with the dog screw of top postive stop baffle by completely locked for the relative position of A/B magnet assemblies cartridge and base plate, then installing hole and the cartridge of attachment screw connecting bottom board of going to the bottom be installed;
Step 3, the magnet steel of A/B magnet assemblies is mounted to the assigned address of A/B magnet assemblies cartridge by 4 cartridge locating dowels, by magnet steel slowly near cartridge locating dowel, if magnet steel can not mate completely with 4 cartridge locating dowels, then prove that the appearance and size of magnet steel does not meet the matching requirements of beam optics, change magnet steel until find satisfactory magnet steel; If magnet steel can mate completely with 4 cartridge locating dowels and can not mate completely with cartridge, then prove that cartridge size does not meet beam optics matching requirements, changes cartridge, returns step 2;
Two of A/B magnet assemblies columns are put to magnet steel both sides by step 4, if column can not mate completely with mounting base and cartridge locating dowel, then prove that column appearance and size does not meet beam optics matching requirements, changes column, until find satisfactory column; If column cannot mate with the installing hole of A/B magnet assemblies base plate with mounting base, cartridge locating dowel and magnet close contact, then prove that A/B magnet assemblies base plate installing hole size does not meet beam optics matching requirements, change base plate, until find size qualification, base plate that base plate installing hole size meets the demands; If the column of A/B magnet assemblies can fit like a glove with the installing hole of base plate and mate completely with mounting base and cartridge locating dowel, and column and magnet steel can not close contacts, then change column, until find the column met the demands, if after changing all columns, still can not meet the requirement of column and magnet steel close contact, then prove that the appearance and size of magnet steel does not meet beam optics matching requirements, change magnet steel, return step 3; After column mates all completely with mounting base, cartridge locating dowel, magnet steel and base plate, by after column locking, left and right attachment screw is installed with the dog screw on left and right side positioning baffle;
Step 5, unclamp the dog screw of top postive stop baffle, A/B magnet assemblies top board is put above column, if mounting of roof plate hole cannot be mated with two column installing holes, then prove that the position of mounting hole of A/B magnet assemblies top board does not meet beam optics matching requirements, change top board, until find satisfactory top board; Install top attachment screw after finally being locked by A/B magnet assemblies top board with the dog screw of top postive stop baffle and connect top board and column.
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| CN201410532263.7A CN104384925B (en) | 2014-10-10 | 2014-10-10 | Magnetic separation state cesium beam tube state selection magnet assemblies assembly system and assembly test method |
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| CN201410532263.7A CN104384925B (en) | 2014-10-10 | 2014-10-10 | Magnetic separation state cesium beam tube state selection magnet assemblies assembly system and assembly test method |
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| CN104384925B CN104384925B (en) | 2016-08-17 |
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Cited By (2)
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| CN107065502A (en) * | 2016-12-12 | 2017-08-18 | 兰州空间技术物理研究所 | A kind of method and magnetic separation state cesium-beam atomic clock for extending the magnetic separation state cesium beam tube life-span |
| CN110780585A (en) * | 2019-10-11 | 2020-02-11 | 北京大学 | Optical pumping cesium atomic clock applying axisymmetric multistage magnets and implementation method |
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| CN107065502B (en) * | 2016-12-12 | 2019-08-23 | 兰州空间技术物理研究所 | A kind of method and magnetic separation state cesium-beam atomic clock extending the magnetic separation state cesium beam tube service life |
| CN110780585A (en) * | 2019-10-11 | 2020-02-11 | 北京大学 | Optical pumping cesium atomic clock applying axisymmetric multistage magnets and implementation method |
| CN110780585B (en) * | 2019-10-11 | 2021-01-26 | 北京大学 | Optical pumping cesium atomic clock applying axisymmetric multistage magnets and implementation method |
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| CN104384925B (en) | 2016-08-17 |
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