CN109870486A - The experimental provision of suiperconducting transition occurs for a kind of observation superconductor - Google Patents
The experimental provision of suiperconducting transition occurs for a kind of observation superconductor Download PDFInfo
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- CN109870486A CN109870486A CN201910218528.9A CN201910218528A CN109870486A CN 109870486 A CN109870486 A CN 109870486A CN 201910218528 A CN201910218528 A CN 201910218528A CN 109870486 A CN109870486 A CN 109870486A
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- 239000002887 superconductor Substances 0.000 title claims abstract description 52
- 230000007704 transition Effects 0.000 title claims abstract description 26
- 238000002474 experimental method Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000012423 maintenance Methods 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 239000004593 Epoxy Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 239000001307 helium Substances 0.000 description 7
- 229910052734 helium Inorganic materials 0.000 description 7
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 7
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005292 diamagnetic effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000314 poly p-methyl styrene Polymers 0.000 description 1
- 206010063401 primary progressive multiple sclerosis Diseases 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000087 superconducting quantum interference device magnetometry Methods 0.000 description 1
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Abstract
The present invention relates to the experimental provisions that suiperconducting transition occurs for a kind of observation superconductor, including cavity body structure, which is provided with four interfaces, and four interfaces are respectively A mouthfuls, B mouthfuls, C mouthfuls and D mouthfuls；Safety valve is tightly connected with A mouthfuls；Electric connecting joint is sealingly mounted at B mouthfuls；It vacuumizes and pressure maintaining mechanism, is tightly connected with C mouthfuls, for being vacuumized to entire device for detecting leak rate and controlling maintenance pressure；Connecting tube, is the tube body of both ends open, and one end is equipped with the holder for installing superconductor with D mouthfuls of sealed connections, the other end；Conduct piece passes through the inside of cavity body structure and connecting tube, and both ends are electrically connected with electric connecting joint and superconductor respectively；Cylinder is tested, is the cylinder of open at one end, is sheathed on outside holder, experiment cylinder is the other end sealed connection of open at one end and connecting tube.Advantage: structure design is simple, and easy to operate, installation cost is low, can effectively study observation superconductor suiperconducting transition.
Description
Technical field
The present invention relates to the investigative technique of superconductor suiperconducting transition, in particular to suiperconducting transition occurs for a kind of observation superconductor
Experimental provision.
Background technique
Currently, general using comprehensive physical property measuring system PPMS measurement resistance variation with temperature situation or using superconduction amount
There is a phenomenon where suiperconducting transitions to observe superconductor for sub- interferometer SQUID measurement diamagnetic effect, but both instrument prices are expensive,
Complicated for operation, practical application is relatively difficult.
Summary of the invention
Technical problem to be solved by the invention is to provide the experimental provisions that suiperconducting transition occurs for a kind of observation superconductor, have
The defect for overcoming the prior art of effect.
The technical scheme to solve the above technical problems is that the experiment of suiperconducting transition occurs for a kind of observation superconductor
Device, including cavity body structure are set on above-mentioned cavity body structure there are four being connected to its internal interface, and four interfaces be respectively A mouthfuls,
B mouthfuls, C mouthfuls and D mouthfuls；Safety valve, above-mentioned safety valve are tightly connected and are connected to above-mentioned A mouthfuls；Electric connecting joint, above-mentioned electrical connection connect
Head is sealingly mounted at B mouthfuls above-mentioned；It vacuumizes and pressure maintaining mechanism, it is above-mentioned to vacuumize and pressure maintaining mechanism and C mouthfuls above-mentioned
It is tightly connected and is connected to, for being vacuumized to entire device for detecting leak rate and controlling maintenance pressure；Connecting tube, above-mentioned connecting tube are
The tube body of both ends open, one end are tightly connected and are connected to above-mentioned D mouthfuls, and the other end is equipped with the storing for installing superconductor
Frame；Conduct piece, above-mentioned conduct piece pass through above-mentioned cavity body structure and connecting tube inside, both ends respectively with above-mentioned electric connecting joint
It is electrically connected with superconductor；Cylinder is tested, above-mentioned experiment cylinder is the cylinder of open at one end, is sheathed on outside above-mentioned holder, above-mentioned reality
Testing cylinder is that open at one end is tightly connected and is connected to the other end of above-mentioned connecting tube.
The beneficial effects of the present invention are: structure design is simple, reasonable, easy for operation, whole device is at low cost, can
The situation of effective research observation superconductor suiperconducting transition.
Based on the above technical solution, the present invention can also be improved as follows.
Further, above-mentioned cavity body structure is four-way pipe fitting.
The beneficial effect for using above-mentioned further scheme is it for general part on the market, using flexible, conveniently.
Further, above-mentioned electric connecting joint is vacuum air plug.
Beneficial effect using above-mentioned further scheme be it is easy to use, flexible, conducive to the acquisition and biography of conduct piece signal
It is defeated.
Further, it is above-mentioned vacuumize and pressure maintaining mechanism be vacuum corner valve.
Beneficial effect using above-mentioned further scheme is easy to use, flexible.
Further, above-mentioned connecting tube is stainless steel tube.
Beneficial effect using above-mentioned further scheme is good corrosion resistance, durable.
Further, above-mentioned experiment cylinder and connecting tube are round tube shape structure, the open end of above-mentioned experiment cylinder periphery and on
The periphery for stating the other end end of connecting tube is respectively equipped with corresponding flange, and two above-mentioned flanges seal against each other connection.
Beneficial effect using above-mentioned further scheme is that design is reasonable, is connected conducive to experiment cylinder and the excellent sealing of connecting tube
It connects.
Further, above-mentioned holder includes placement plate and Duo Gen connecting rod, and above-mentioned placement plate is arranged at intervals at above-mentioned connecting tube
The other end, more above-mentioned connecting rod intervals settings, and one end is detachably connected with above-mentioned placement plate respectively, the other end respectively with it is above-mentioned
The flange of the other end end of connecting tube is detachably connected, and above-mentioned superconductor is installed in above-mentioned placement plate.
Beneficial effect using above-mentioned further scheme is that structure design is simple, conducive to the good placement of superconductor.
Further, above-mentioned connecting rod is epoxy rods.
Beneficial effect using above-mentioned further scheme is to reduce liquid nitrogen cryogenics conducive to the good heat-insulated of superconductor and quickly pass
To the influence converted to it.
Further, more above-mentioned connecting rods are evenly spaced encloses the surrounding set on above-mentioned superconductor, and respectively with above-mentioned connection
The flange of pipe other end end vertically connects.
Beneficial effect using above-mentioned further scheme be it is compact-sized, conducive to the steady placement of superconductor and supporter
With the secured connection of connecting tube.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the experimental provision that suiperconducting transition occurs for observation superconductor of the invention；
Fig. 2 is the structural schematic diagram that vacuum corner valve in the experimental provision of suiperconducting transition occurs for observation superconductor of the invention.
Fig. 3 is the structural schematic diagram that connecting tube in the experimental provision of suiperconducting transition occurs for observation superconductor of the invention；
Fig. 4 is that the structural schematic diagram that cylinder is tested in the experimental provision of suiperconducting transition occurs for observation superconductor of the invention；
Fig. 5 is that the planar structure that one end of cylinder is tested in the experimental provision of suiperconducting transition occurs for observation superconductor of the invention
Schematic diagram；
In attached drawing, parts list represented by the reference numerals are as follows:
1, cavity body structure, 2, safety valve, 3, electric connecting joint, 4, vacuumize and pressure maintaining mechanism, 5, connecting tube, 6, set
Put frame, 7, superconductor, 8, conduct piece, 9, experiment cylinder, the 11, the 2nd KF clip, the 12, the 2nd KF clip, the 13, the 2nd KF clip, 14,
2nd KF clip, 41, vacuumize interface, 42, sealed baffle knob, 51, liquid helium Dewar ring flange, 61, placement plate, 62, connecting rod,
91, locating notch, 92, bolt hole, 93, seal groove.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment: as shown in Figure 1, the experimental provision that suiperconducting transition occurs for the observation superconductor of the present embodiment includes cavity knot
Structure 1 is set on above-mentioned cavity body structure 1 there are four being connected to its internal interface, and four interfaces are respectively A mouthfuls, B mouthfuls, C mouthfuls and D mouthfuls；
Safety valve 2, above-mentioned safety valve 2 are tightly connected and are connected to above-mentioned A mouthfuls；Electric connecting joint 3, the above-mentioned sealing of electric connecting joint 3 peace
At B mouthfuls above-mentioned；It vacuumizes and pressure maintaining mechanism 4, it is above-mentioned to vacuumize and pressure maintaining mechanism 4 and above-mentioned C mouthful sealing company
It connects and is connected to, for being vacuumized to entire device for detecting leak rate and controlling maintenance pressure；Connecting tube 5, above-mentioned connecting tube 5 are both ends
The tube body of opening, one end are tightly connected and are connected to above-mentioned D mouthfuls, and the other end is equipped with the holder for installing superconductor 7
6；Conduct piece 8, above-mentioned conduct piece 8 pass through the inside of above-mentioned cavity body structure 1 and connecting tube 5, and both ends are electrically connected with above-mentioned respectively
Connector 3 and superconductor 7 are electrically connected；Cylinder 9 is tested, above-mentioned experiment cylinder 9 is the cylinder of open at one end, is sheathed on above-mentioned holder 6
Outside, above-mentioned experiment cylinder 9 is that open at one end is tightly connected and is connected to the other end of above-mentioned connecting tube 5.
Before experiment, each accessory is assembled by above structure, and superconductor 7 is mounted on holder 6 in advance, and makes
It is electrically connected with electric connecting joint 3 by conduct piece 8, and electric connecting joint 3 is often used source table (number by circuit connection laboratory
Word source table), the equipment such as multimeter, and laboratory is often used to the equipment such as source table (digital sourcemeter) or multimeter and host computer (computer)
Connecting communication is detected in the steps below later:
Step 1: by vacuumizing and pressure maintaining mechanism 4 takes out very entire cavity body structure 1 and connecting tube 5 and experiment cylinder 9
Vacancy reason；
Step 2: experiment cylinder 9 is put by liquid helium Dewar nozzle, and it is totally submerged in liquid nitrogen, and by ferrule；
Step 3: the signal in conduct piece 8 is drawn by electric connecting joint 3, with the electricity of four-wire method MEASUREMENT IN SUPERCONDUCTOR 7
Resistance；
Step 4: the resistance data of actual measurement is by source table (digital sourcemeter) or general-purpose as superconductor 7 is constantly cooled down by liquid helium
The equipment such as table import host computer, by the situation of change of the resistance value of host computer observation superconductor 7, when a certain moment resistance value is prominent
When so becoming zero, i.e., suiperconducting transition has occurred in superconductor 11.
The position fixing sleeve in portion on the upper side, which is equipped with, on the periphery of above-mentioned connecting tube 5 matches with the flange of liquid helium Dewar nozzle
The flange of liquid helium Dewar ring flange 51, the liquid helium Dewar ring flange 51 and liquid helium Dewar nozzle passes through multiple bolts through the two
Close connection, is folded with therebetween the sealing ring for improving leakproofness.
Preferably, above-mentioned cavity body structure 1 is four-way pipe fitting, for general part, use are more convenient, flexible in the market.
One end interface of above-mentioned A mouthfuls and above-mentioned safety valve 2 is respectively equipped with the first KF interface to match, and two first
KF interface is sealed against each other by being sheathed on the first KF clip 11 outside the two and is connected to and in communication with, the first KF clip 11 and two
One KF Interference fit is close, can to assemble between A mouthfuls and safety valve 2 fast, conveniently, and sealing performance is also preferable.
Preferably, above-mentioned electric connecting joint 3 is vacuum air plug, conducive to 7 resistance variations of superconductor the connecing of detection machine circuit/
Lead.
One end that above-mentioned vacuum air plug is connect with B mouthfuls and the 2nd KF interface to match is respectively equipped at B mouthfuls, two
Two KF interfaces are sealed against each other by being sheathed on the second people KF clip 12 outside the two and are connected to and in communication with, the 2nd KF clip 12 and two
A 2nd KF Interference fit is close, can to assemble between B mouthfuls and vacuum air plug fast, conveniently, and sealing performance is also preferable.
Preferably, it is above-mentioned vacuumize and pressure maintaining mechanism 4 be vacuum corner valve, can be easily to whole device inside
It vacuumizes, and holding is conveniently adjusted after vacuumizing.
The interface that above-mentioned C mouthfuls and above-mentioned vacuum corner valve are connect with above-mentioned C mouthfuls is respectively equipped with the 3rd KF interface, and two
Three KF interfaces are sealed against each other by being sheathed on the 3rd KF clip 13 outside the two and are connected to and in communication with, the 3rd KF clip 13 and two
3rd KF Interference fit is close, C mouthfuls can be made to assemble between vacuum corner valve fast, conveniently, sealing performance is also preferable.
The structure of vacuum corner valve is as illustrated in fig. 1 and 2, and one end has an interface (interface is the 3rd KF interface),
There is one on side wall and vacuumize interface 41 (this vacuumizes interface and is also possible to KF interface) with what interface was set to 90 degrees, it is another
One end, which is equipped with the sealed baffle knob 42 for vacuumizing interface 41 for rotating opening or closing, (necessarily to be had and seals in vacuum corner valve
The sealed baffle that plate washer knob 42 connects turns sealed baffle rotation by sealed baffle knob 42 and vacuumizes interface 41 to adjust
Open and-shut mode)
Preferably, above-mentioned connecting tube 5 is stainless steel tube, specifically, stainless-steel thin-wall pipe, structural strength is good, is not easy
Corrosion, it is durable.
As shown in figs. 1 and 3, distinguish the 4th KF interface at one end nozzle of above-mentioned D mouthfuls and above-mentioned connecting tube 5, two the
Four KF interfaces are sealed against each other by being sheathed on the 4th KF clip 14 outside the two and are connected to and in communication with, the 4th KF clip 14 and two
4th KF Interference fit is close, can to assemble between D mouthfuls and connecting tube 5 fast, conveniently, and sealing performance is also preferable.
Preferably, as shown in Figures 3 and 4, above-mentioned experiment cylinder 9 and connecting tube 5 are round tube shape structure, above-mentioned experiment cylinder 9
The periphery of open end periphery and the other end end of above-mentioned connecting tube 5 is respectively equipped with corresponding flange, two above-mentioned flanges
Seal against each other connection, the design be conducive to it is between the two be conveniently detached, and leakproofness is good when connecting.
It should be understood that as shown in figure 5, distinguishing at the outer edge of above-mentioned two flange circumferentially spaced equipped with multiple one
The one corresponding and consistent locating notch 91 of specification and multiple one-to-one bolts hole 92, (docking after two flanges dock
When good locating notch 91 correspond and along experiment cylinder 9 or/and connecting tube 5 it is axially coincident), the corresponding spiral shell of latter two flange
Pass through the bolt connection through the two between keyhole 92 respectively.
As shown in figure 5, in order to improve the leakproofness of two flanged joints, in the open end flanges of experiment cylinder 9 close to another
Circular seal groove 93 is offered on the inside of the one side of flange, the sealing ring of prominent flange face is embedded in the seal groove 93, such as
This, two flanges can make connecting tube 5 and the experiment sealing of cylinder 9 connect after being fastened by bolts under the sealing function of sealing ring
It connects.
More preferably, above-mentioned holder 6 includes placement plate 61 and Duo Gen connecting rod 62, and above-mentioned placement plate 61 is arranged at intervals at above-mentioned
5 other end of connecting tube, the more above-mentioned interval of connecting rod 62 settings, and one end is detachably connected with above-mentioned placement plate 61 respectively, it is another
The flange respectively with the other end end of above-mentioned connecting tube 5 is held to be detachably connected, above-mentioned superconductor 7 is installed on above-mentioned placement plate 61
On, the design of 6 structure of holder is simple, it can be ensured that steady placement of the placement plate 61 to superconductor 7.
More preferably, more above-mentioned connecting rods 62 are evenly spaced encloses the surrounding set on above-mentioned superconductor 7, and respectively with above-mentioned company
The flange of 5 other end end of adapter tube vertically connects, and is mostly distributed on the same circumference with connecting rod 62, and the circumference and experiment cylinder 9
Or connecting tube 5 is coaxially disposed, and is evenly distributed, and the support and connection function stable to placement plate 61 can be played.
It should be noted that: the outer diameter of connecting tube 5 is less than the outer diameter of experiment cylinder 9, that is to say, that 5 flange of connecting tube
Inner ring diameter is greater than the diameter of experiment 9 flange inner ring of cylinder, and two flange race diameters are equal, when two flanges dock, connection
The part that 5 flange of pipe is not overlapped with experiment cylinder 9 and its upper flange, which is run through, to be equipped with and the one-to-one screw hole of above-mentioned connecting rod 62, placement
Be again provided on plate 61 with the one-to-one screw hole of connecting rod 62, the both ends periphery of every connecting rod 62 is equipped with external screw thread, connecting rod 62
Both ends respectively with corresponding screw hole be threadedly coupled.
When assembling holder 6, first 62 one end of connecting rod and the screw hole in placement plate 61 are screwed correspondingly, later,
Screw hole by 62 other end of connecting rod respectively with 5 flange of connecting tube screws correspondingly, and set installs experiment cylinder 9 later, by two
It is fixed that flange completes assembly.
Optimal, above-mentioned connecting rod 62 is epoxy rods, and silver-colored connecting rod 62 is enclosed set on 7 surrounding of superconductor, so can play pair
The good heat-blocking action of superconductor 7, it is ensured that the good progress of superconduction variation.
Above-mentioned conduct piece 8 is enameled wire general on the market.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. the experimental provision that suiperconducting transition occurs for a kind of observation superconductor characterized by comprising
Cavity body structure (1) is set on the cavity body structure (1) there are four being connected to its internal interface, and four interfaces are respectively A
Mouth, B mouthfuls, C mouthfuls and D mouthfuls；
Safety valve (2), the safety valve (2) are tightly connected and are connected to described A mouthfuls；
Electric connecting joint (3), the electric connecting joint (3) are sealingly mounted at B mouthfuls described；
It vacuumizes and pressure maintaining mechanism (4), it is described to vacuumize and pressure maintaining mechanism (4) is tightly connected and company with described C mouthful
It is logical, for being vacuumized to entire device for detecting leak rate and controlling maintenance pressure；
Connecting tube (5), the connecting tube (5) are the tube body of both ends open, and one end is tightly connected and is connected to described D mouthfuls, separately
One end is equipped with the holder (6) for installing superconductor (7)；
Conduct piece (8), the conduct piece (8) pass through the cavity body structure (1) and connecting tube (5) inside, both ends respectively with
The electric connecting joint (3) and superconductor (7) electrical connection；
It tests cylinder (9), experiment cylinder (9) is the cylinder of open at one end, is sheathed on the holder (6) outside, the experiment
Cylinder (9) is that open at one end is tightly connected and is connected to the other end of the connecting tube (5).
2. the experimental provision that suiperconducting transition occurs for a kind of observation superconductor according to claim 1, it is characterised in that: described
Cavity body structure (1) is four-way pipe fitting.
3. the experimental provision that suiperconducting transition occurs for a kind of observation superconductor according to claim 1, it is characterised in that: described
Electric connecting joint (3) is vacuum air plug.
4. the experimental provision that suiperconducting transition occurs for a kind of observation superconductor according to claim 1, it is characterised in that: described
It vacuumizes and pressure maintaining mechanism (4) is vacuum corner valve.
5. the experimental provision that suiperconducting transition occurs for a kind of observation superconductor according to claim 1, it is characterised in that: described
Connecting tube (5) is stainless steel tube.
6. the experimental provision of suiperconducting transition, feature occur for a kind of observation superconductor according to any one of claims 1 to 5
Be: the experiment cylinder (9) and connecting tube (5) are round tube shape structure, the open end periphery of experiment cylinder (9) and described
The periphery of the other end end of connecting tube (5) is respectively equipped with corresponding flange, and two flanges seal against each other connection.
7. the experimental provision that suiperconducting transition occurs for a kind of observation superconductor according to claim 6, it is characterised in that: described
Holder (6) includes placement plate (61) He Duogen connecting rod (62), and it is another that the placement plate (61) is arranged at intervals at the connecting tube (5)
One end, more connecting rod (62) interval settings, and one end is detachably connected with the placement plate (61) respectively, other end difference
It is detachably connected with the flange of the other end end of the connecting tube (5), the superconductor (7) is installed on the placement plate (61)
On.
8. the experimental provision that suiperconducting transition occurs for a kind of observation superconductor according to claim 7, it is characterised in that: more
The connecting rod (62) is evenly spaced to enclose the surrounding set on the superconductor (7), and respectively with the connecting tube (5) other end end
The flange in portion vertically connects.
9. the experimental provision that suiperconducting transition occurs for a kind of observation superconductor according to claim 8, it is characterised in that: described
Connecting rod (62) is epoxy rods.
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| CN201910218528.9A CN109870486A (en) | 2019-03-21 | 2019-03-21 | The experimental provision of suiperconducting transition occurs for a kind of observation superconductor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297197A (en) * | 2019-07-04 | 2019-10-01 | 中国科学院理化技术研究所 | A kind of superconductive device low temperature test device |
| CN111023653A (en) * | 2019-12-23 | 2020-04-17 | 上海蜀淘仪器科技有限公司 | Two-stage low-temperature insertion rod applied to ultra-vacuum environment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305804A (en) * | 2011-05-19 | 2012-01-04 | 北京鼎臣超导科技有限公司 | Device and method for measuring superconducting transition temperature of high temperature superconducting material |
| CN106507948B (en) * | 2011-04-22 | 2014-03-05 | 中国空空导弹研究院 | Semiconductor film material low-temperature resistivity test equipment |
| CN103706415A (en) * | 2013-12-24 | 2014-04-09 | 华中科技大学 | Sample rod for low-temperature storage of Dewar |
| CN206411042U (en) * | 2016-12-25 | 2017-08-15 | 上海复旦天欣科教仪器有限公司 | A kind of antivacuum superconducting transition temperature measurement apparatus |
| CN209946059U (en) * | 2019-03-21 | 2020-01-14 | 中国地震局地震研究所 | Experimental device for observing superconducting transition of superconductor |
-
2019
- 2019-03-21 CN CN201910218528.9A patent/CN109870486A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507948B (en) * | 2011-04-22 | 2014-03-05 | 中国空空导弹研究院 | Semiconductor film material low-temperature resistivity test equipment |
| CN102305804A (en) * | 2011-05-19 | 2012-01-04 | 北京鼎臣超导科技有限公司 | Device and method for measuring superconducting transition temperature of high temperature superconducting material |
| CN103706415A (en) * | 2013-12-24 | 2014-04-09 | 华中科技大学 | Sample rod for low-temperature storage of Dewar |
| CN206411042U (en) * | 2016-12-25 | 2017-08-15 | 上海复旦天欣科教仪器有限公司 | A kind of antivacuum superconducting transition temperature measurement apparatus |
| CN209946059U (en) * | 2019-03-21 | 2020-01-14 | 中国地震局地震研究所 | Experimental device for observing superconducting transition of superconductor |
Non-Patent Citations (1)
| Title |
|---|
| 孟宪仁;林明柱;崔鹏;: "超导转变温度(Tc)测量的实验", 物理实验, no. 01 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110297197A (en) * | 2019-07-04 | 2019-10-01 | 中国科学院理化技术研究所 | A kind of superconductive device low temperature test device |
| CN110297197B (en) * | 2019-07-04 | 2022-03-18 | 中国科学院理化技术研究所 | Superconducting device low temperature testing arrangement |
| CN111023653A (en) * | 2019-12-23 | 2020-04-17 | 上海蜀淘仪器科技有限公司 | Two-stage low-temperature insertion rod applied to ultra-vacuum environment |
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