CN105807240B - A kind of device of short-circuit micro-band collimation method testing film complex permeability - Google Patents
A kind of device of short-circuit micro-band collimation method testing film complex permeability Download PDFInfo
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- CN105807240B CN105807240B CN201610297281.0A CN201610297281A CN105807240B CN 105807240 B CN105807240 B CN 105807240B CN 201610297281 A CN201610297281 A CN 201610297281A CN 105807240 B CN105807240 B CN 105807240B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1223—Measuring permeability, i.e. permeameters
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Abstract
A kind of device of short-circuit micro-band collimation method testing film complex permeability, belongs to magnetic material technical field of measurement and test.Including pedestal, exterior loop, interior loop, article carrying platform, short-circuit micro-band wire holder, exterior loop and interior loop are coaxial air-cored cylindrical coil, interior loop is located inside exterior loop, exterior loop is set on pedestal, article carrying platform is set to the inside of interior loop, short-circuit micro-band wire holder is positioned on article carrying platform, and central shaft and article carrying platform and the horizontal plane of the exterior loop and interior loop have an angle α.Apparatus of the present invention form central magnetic field by two coaxial air-cored cylindrical coils, and small without electromagnet, light-weight, low in energy consumption and less coil can be achieved with larger central magnetic field, at low cost；Apparatus of the present invention do not have to replace entire test system when coil damages, and need to only be replaced to corresponding portion coil, easy to use, and operating voltage is low.
Description
Technical field
The invention belongs to magnetic material technical field of measurement and test, and in particular to a kind of using short-circuit micro-band collimation method testing film
The device of complex permeability.
Background technology
Microwave magnetic permeability is that characterize magnetic moment in magnetic material usually plural to the responding ability of microwave signal；It is accurate to survey
The complex permeability for measuring material analyzes its high frequency characteristics and application is of great significance.While measuring magnetic conductivity, need
To test sample externally-applied magnetic field, otherwise film can be in variable amount of no magnetic or remnant magnetism state and to magnetic moment arrangement and machine in film
Reason analysis generates obstacle, while the impressed field changed can also change the position of corresponding mechanism formant, so that it is determined that in film
Spin wave mode.
When magnetic moment in soft magnetic film unanimously arranges, when there is in-plane mono-axial anisotropy in other words, hang down in microwave magnetic field
Under straight magnetic moment effect, soft magnetic film will produce complex permeability, just when microwave frequency is consistent with the intrinsic frequency of magnetic moments precession
It will appear RESONANCE ABSORPTION phenomenon.It is damped since magnetic moments precession exists, resonance absorbing peak has certain halfwidth, therefore, right at present
The measurement of complex permeability is mainly carried out using various transmission lines.Short-circuit micro-band collimation method is a kind of common testing film plural number magnetic
The method of conductance, two larger electromagnet of generally use load on fixture both ends when test, and electromagnet power consumption is big, of high cost,
Volume is big, is not easy to move.
Invention content
In view of the defects in the background art, the present invention proposes a kind of novel short-circuit micro-band collimation method testing film plural numbers
The device of magnetic conductivity.Apparatus of the present invention are small, light-weight, at low cost, and operating voltage is low.
Technical scheme is as follows：
A kind of device of short-circuit micro-band collimation method testing film complex permeability, including pedestal 1, exterior loop 2, interior loop 3, load
Object platform 4, short-circuit micro-band wire holder 6, the exterior loop 2 and interior loop 3 are air-cored cylindrical coil, and center having the same
Axis, the interior loop 3 are located inside exterior loop 2, and exterior loop 2 is set on pedestal 1, and article carrying platform 4 is set to interior loop
Inside, short-circuit micro-band wire holder 6 are positioned on article carrying platform 4, the central shaft and loading of the exterior loop 2 and interior loop 3
Platform has an angle α with horizontal plane.
Further, aperture 5 is arranged in the exterior loop 2 and 3 top of interior loop, in order to be put into gaussmeter probe, measures
The magnetic field intensity of coil inside.
Further, the central shaft and article carrying platform 4 and the angle α of horizontal plane of the exterior loop 2 and interior loop 3 are
10 °~30 °.
Further, the test lead that the upper end of the short-circuit micro-band wire holder passes through coaxial line connected vector Network Analyzer
Mouthful, the both ends of interior loop and exterior loop are separately connected power supply, and gaussmeter is positioned over by the aperture 5 above coil in interior loop
Portion after the completion of modulation, surveys film complex permeability method according to short-circuit micro-band line and tests to obtain the complex permeability of film, only in reality
Power supply is opened in the microwave field test process of border, so that interior loop and exterior loop is generated the magnetic field of the same direction, adjusts the size in magnetic field
To required magnetic field.
Further, apparatus of the present invention can be adjusted according to the size of short-circuit micro-band wire holder, exterior loop and interior loop
The number of turns can also be adjusted according to practical application.
Beneficial effects of the present invention are：
Apparatus of the present invention form central magnetic field by two coaxial air-cored cylindrical coils, without electromagnet, volume
Small, light-weight, low in energy consumption and less coil can be achieved with larger central magnetic field, at low cost；Apparatus of the present invention are damaged in coil
Bad when, does not have to replace entire test system, need to only be replaced to corresponding portion coil, easy to use, and operating voltage is low.
Description of the drawings
Fig. 1 is flat for exterior loop, interior loop, loading in the device of short-circuit micro-band collimation method testing film complex permeability of the present invention
Platform and the consitutional front view of short-circuit micro-band wire holder；Wherein, 2 be exterior loop, and 3 be interior loop, and 4 be article carrying platform, and 6 are
Short-circuit micro-band wire holder；
Fig. 2 is the side view of the device of short-circuit micro-band collimation method testing film complex permeability of the present invention；Wherein, 1 is pedestal,
2 be exterior loop, and 5 be aperture；
Fig. 3 is the film plural number in additional varying strength magnetic field when using short-circuit micro-band collimation method to survey film magnetic conductivity in embodiment
The test result of magnetic conductivity real part；
Fig. 4 is the film plural number in additional varying strength magnetic field when using short-circuit micro-band collimation method to survey film magnetic conductivity in embodiment
The test result of magnetic conductivity imaginary part.
Specific implementation mode
With reference to the accompanying drawings and examples, technical scheme of the present invention is described in detail.
The device of short-circuit micro-band collimation method testing film complex permeability of the present invention is as depicted in figs. 1 and 2, including pedestal 1, outer
Coil 2, interior loop 3, article carrying platform 4, short-circuit micro-band wire holder 6, the exterior loop 2 and interior loop 3 are air-cored cylindrical coil,
And central shaft having the same, the interior loop 3 are located inside exterior loop 2, exterior loop 2 is set on pedestal 1, article carrying platform
4 are set to the inside of interior loop, and short-circuit micro-band wire holder is positioned on article carrying platform 4, the exterior loop 2 and interior loop 3
Central shaft and article carrying platform have an angle α with horizontal plane, and the bottom surface of the pedestal 1 is parallel with horizontal plane, upper surface and level
The angle in face is α, is to ensure that interior loop and exterior loop are positioned over rear angle between central shaft and horizontal plane on pedestal
α。
Further, aperture 5 is arranged in the exterior loop 2 and 3 top of interior loop, in order to be put into gaussmeter probe, measures
The magnetic field intensity of coil inside.
Further, the central shaft and article carrying platform 4 and the angle α of horizontal plane of the exterior loop 2 and interior loop 3 are
10 °~30 °.
Further, the lower surface of the pedestal 1 is parallel with horizontal plane, and upper surface is fixed using glue with exterior loop, outside
The distance between coil 2 and interior loop 3 are 1~10mm, and the internal diameter of interior loop is 1.5~2 times of short-circuit micro-band wire holder width.
Further, the exterior loop and interior loop are bundled by insulated wire, or are respectively arranged at insulated hollow cylinder
The modes such as inner side and outer side be fixed.
Further, the exterior loop 2 and interior loop 3 work independently, and both ends are separately connected power supply so that 2 He of exterior loop
Interior loop 3 generates the magnetic field of the same direction.
Further, the test lead that the upper end of the short-circuit micro-band wire holder passes through coaxial line connected vector Network Analyzer
Mouthful, the both ends of interior loop and exterior loop are separately connected power supply, and gaussmeter is positioned over by the aperture 5 above coil in interior loop
Portion after the completion of modulation, surveys film complex permeability method according to short-circuit micro-band line and tests to obtain the complex permeability of film, only in reality
Power supply is opened in the microwave field test process of border, so that interior loop and exterior loop is generated the magnetic field of the same direction, adjusts the size in magnetic field
To required magnetic field.
Further, apparatus of the present invention can be adjusted according to the size of short-circuit micro-band wire holder, exterior loop and interior loop
The number of turns can also be adjusted according to practical application.
Embodiment
Interior loop 3 and exterior loop 2 are prepared using 0.5mm enameled wires, wherein the internal diameter of interior loop 3 is 3cm, the number of turns 400
The internal diameter of circle, exterior loop 2 is 4cm, and the number of turns is 400 circles；Glue is used after interior loop 3 and exterior loop 2 are used insulated wire bundled fixed
Water is sticked to 1 upper surface of pedestal, and article carrying platform 4 is fixed on the inside of interior loop, and short-circuit micro-band wire holder is positioned on article carrying platform, bottom
The angle of seat upper surface and horizontal plane is 10 °, to the central shaft and article carrying platform and horizontal plane of exterior loop 2 and interior loop 3
Angle be 10 °, be 1cm the distance between below the article carrying platform and interior loop.
The upper end of short-circuit micro-band wire holder is by the test port of coaxial line connected vector Network Analyzer, interior loop and outer
The both ends of coil are separately connected power supply, and gaussmeter is positioned over by the aperture 5 above coil inside interior loop, after the completion of modulation,
Specifically tested according to the method that short-circuit micro-band line surveys film complex permeability：Substrate is put into fixture first, carries out substrate
Test；After the completion of substrate test, substrate is taken out, is put into film to be measured, coil is opened and controls power supply, by adjusting electric current and reading
Gaussmeter reading makes coil inside generate the magnetic field of 5mT, 10mT and 15mT, carries out film complex permeability under above-mentioned magnetic field respectively
Test.
Fig. 3 and Fig. 4 is respectively additional varying strength magnetic field when using short-circuit micro-band collimation method to survey film magnetic conductivity in embodiment
Film complex permeability real and imaginary parts test result.By Fig. 3 and 4 it is found that short-circuit micro-band collimation method testing film of the present invention
The device of complex permeability can test the complex permeability of film under the magnetic fields 0~15mT.
Claims (3)
1. a kind of device of short-circuit micro-band collimation method testing film complex permeability, including pedestal (1), exterior loop (2), interior loop
(3), article carrying platform (4), short-circuit micro-band wire holder (6), the exterior loop (2) and interior loop (3) they are air-cored cylindrical coil, and
Central shaft having the same, the interior loop (3) are located at exterior loop (2) inside, and exterior loop (2) is set on pedestal (1), is carried
Object platform (4) is set to the inside of interior loop, and short-circuit micro-band wire holder (6) is positioned on article carrying platform (4), the pedestal
(1) lower surface is parallel with horizontal plane, and the angle of upper surface and horizontal plane is α, and the angle of the article carrying platform and horizontal plane is
α。
2. the device of short-circuit micro-band collimation method testing film complex permeability according to claim 1, which is characterized in that described
The upper surface of pedestal (1) and the angle α of horizontal plane are 10 °~30 °, and the angle α of article carrying platform and horizontal plane is 10 °~30 °.
3. the device of short-circuit micro-band collimation method testing film complex permeability according to claim 1, which is characterized in that described
Setting aperture (5) above exterior loop (2) and interior loop (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610297281.0A CN105807240B (en) | 2016-05-06 | 2016-05-06 | A kind of device of short-circuit micro-band collimation method testing film complex permeability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297281.0A CN105807240B (en) | 2016-05-06 | 2016-05-06 | A kind of device of short-circuit micro-band collimation method testing film complex permeability |
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| CN105807240A CN105807240A (en) | 2016-07-27 |
| CN105807240B true CN105807240B (en) | 2018-07-27 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5483161A (en) * | 1992-12-11 | 1996-01-09 | The United States Of America As Represented By The Secretary Of Commerce | Faraday effect continuous circuit flux concentrating magnetic field sensor |
| CN101740142A (en) * | 2009-11-23 | 2010-06-16 | 安泰科技股份有限公司 | Electromagnetic wave absorption product and manufacturing method thereof |
| CN101819224A (en) * | 2010-04-12 | 2010-09-01 | 重庆大学 | Lightning current measuring transducer based on differential ring |
| CN102565728A (en) * | 2011-12-29 | 2012-07-11 | 北京航空航天大学 | Method for measuring magnetic permeability of cylindrical soft magnetic material |
| CN102590637A (en) * | 2012-03-19 | 2012-07-18 | 厦门大学 | Electrically controlled detecting device for microwave medium coating and detecting method thereof |
| CN103744039A (en) * | 2014-01-10 | 2014-04-23 | 兰州大学 | Method for measuring magnetic soft magnetism thin film complex permeability |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010096550A (en) * | 2008-10-14 | 2010-04-30 | Tama Tlo Ltd | Smog transmittance measuring instrument |
-
2016
- 2016-05-06 CN CN201610297281.0A patent/CN105807240B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5483161A (en) * | 1992-12-11 | 1996-01-09 | The United States Of America As Represented By The Secretary Of Commerce | Faraday effect continuous circuit flux concentrating magnetic field sensor |
| CN101740142A (en) * | 2009-11-23 | 2010-06-16 | 安泰科技股份有限公司 | Electromagnetic wave absorption product and manufacturing method thereof |
| CN101819224A (en) * | 2010-04-12 | 2010-09-01 | 重庆大学 | Lightning current measuring transducer based on differential ring |
| CN102565728A (en) * | 2011-12-29 | 2012-07-11 | 北京航空航天大学 | Method for measuring magnetic permeability of cylindrical soft magnetic material |
| CN102590637A (en) * | 2012-03-19 | 2012-07-18 | 厦门大学 | Electrically controlled detecting device for microwave medium coating and detecting method thereof |
| CN103744039A (en) * | 2014-01-10 | 2014-04-23 | 兰州大学 | Method for measuring magnetic soft magnetism thin film complex permeability |
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| CN105807240A (en) | 2016-07-27 |
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