CN109285672A - Magnetic conduction sheet, the preparation method of magnetic conduction sheet and electronic equipment - Google Patents
Magnetic conduction sheet, the preparation method of magnetic conduction sheet and electronic equipment Download PDFInfo
- Publication number
- CN109285672A CN109285672A CN201811273937.0A CN201811273937A CN109285672A CN 109285672 A CN109285672 A CN 109285672A CN 201811273937 A CN201811273937 A CN 201811273937A CN 109285672 A CN109285672 A CN 109285672A
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- China
- Prior art keywords
- magnetic conduction
- conduction sheet
- parent metal
- flexible parent
- magnetic
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention discloses the preparation method and electronic equipment of a kind of magnetic conduction sheet, magnetic conduction sheet, wherein the magnetic conduction sheet includes flexible parent metal and the magnetosphere that is arranged on the flexible parent metal, and the magnetosphere is covered on a wherein surface for the flexible parent metal.Technical solution of the present invention is flexible meanwhile, it is capable to guarantee the shield effectiveness of magnetic conduction sheet in increase magnetic conduction sheet.
Description
Technical field
The present invention relates to wireless charging field, in particular to the preparation method and electronic equipment of a kind of magnetic conduction sheet, magnetic conduction sheet.
Background technique
Currently, the cardinal principle of wireless charging device includes two class of electromagnetic induction principle and magnetic resonance principle.Wherein, it is based on
In the wireless charging device of electromagnetic induction principle, transmitting terminal and receiving end conductive coil are sticked magnetic conduction sheet for fettering magnetic strength
Line improves the efficiency of wireless charging, and receives the metal parts such as end-coil and battery and be closer, to prevent metal parts from being formed
Eddy-current loss causes to generate heat, and usually sticks magnetic conduction sheet at the back side of coil, which generally includes ferrite, amorphous magnetism material
The substances such as material, nano-crystalline magnetic material, material poor toughness are easy to break when being bent.
With the development of science and technology and the demand of user, electronic equipment show the development trend of miniaturization, flexibility, are
It can adapt to the flexible demand of electronic equipment, the prior art is usually to carry out at fragmentation to ferrite, amorphous, nanocrystalline etc.
Magnetic conduction sheet is made after reason again, although this processing mode can increase the flexibility of product, due to depositing between fragment and fragment
In gap, therefore greatly reduce the shield effectiveness of magnetic conduction sheet.
Summary of the invention
The main object of the present invention is to propose a kind of magnetic conduction sheet, it is intended to while increasing magnetic conduction sheet flexibility, guarantee magnetic conduction sheet
Shield effectiveness.
To achieve the above object, magnetic conduction sheet proposed by the present invention includes that flexible parent metal and plating are located on the flexible parent metal
Magnetosphere, the magnetosphere is covered on a wherein surface for the flexible parent metal.
Optionally, the flexible parent metal with a thickness of 3 μm -20 μm.
Optionally, the flexible parent metal includes dimethyl silicone polymer substrate, polyimide base material, polyetherimide amido
At least one of material, polyether-ether-ketone, polyethylene naphthalate or polyethylene terephthalate substrate material.
Optionally, the magnetosphere is the magnetic coating that plating is located on the flexible parent metal.
Optionally, the magnetosphere is plated by way of magnetron sputtering or thermal evaporation is located on the flexible parent metal.
Optionally, described magnetospheric with a thickness of 10 μm -100 μm.
Optionally, the magnetosphere contains any one element or multiple element in Fe, Co, B, Ni, Si, Hf, Zr.
The present invention also proposes a kind of preparation method of magnetic conduction sheet, comprising:
Prepare the target containing magnetic material；
Magnetic material plating on the target is located on flexible parent metal, to form the magnetic being plated on the flexible parent metal
Property layer；
It is cut with the magnetospheric flexible parent metal, so that the magnetic conduction sheet be made.
Optionally, the quantity of the target is multiple, and the different targets includes different institute in multiple targets
Magnetic material is stated, and the magnetic material in the same target is identical.
The present invention also proposes that a kind of electronic equipment, including wireless charging device, the wireless charging device have transmitting terminal
With receiving end, the back side of conductive coil is equipped with magnetic conduction sheet at the transmitting terminal and receiving end, and the magnetic conduction sheet includes flexible base
Material and the magnetosphere being arranged on the flexible parent metal, the magnetosphere are covered on a wherein surface for the flexible parent metal
On.
Magnetic conduction sheet in the present invention is made of flexible parent metal and the magnetic coating being formed on flexible parent metal, flexible parent metal
Bending property it is preferable, bent angle is big, therefore can satisfy the bending demand of flexible electronic devices.Furthermore due to being formed
A wherein surface for magnetic conduction substance covering flexible parent metal on flexible parent metal, therefore can be very well to this surface of flexible parent metal
It is blocked, guarantees the shield effectiveness of magnetic conduction sheet.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of magnetic conduction sheet of the present invention；
Fig. 2 is the structural schematic diagram for forming the target of magnetic conduction sheet in Fig. 1；
Fig. 3 is the flow diagram of the preparation method of magnetic conduction sheet of the present invention.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 10 | Flexible parent metal | 20 | Magnetosphere |
| 30 | Target |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the meaning of the "and/or" occurred in full text is, including three schemes arranged side by side, by " A and/or B for ", including A
The scheme that scheme or B scheme or A and B meet simultaneously.In addition, the technical solution between each embodiment can be combined with each other,
It but must be based on can be realized by those of ordinary skill in the art, when conflicting or nothing occurs in the combination of technical solution
Method realize when will be understood that the combination of this technical solution is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of magnetic conduction sheet.
In the present embodiment of the present invention, as shown in Figure 1, the magnetic conduction sheet includes that flexible parent metal 10 and plating are located at flexible parent metal 10
On magnetosphere 20, magnetosphere 20 is covered on a wherein surface for flexible parent metal 10.
In the present embodiment, flexible parent metal 10 is dimethyl silicone polymer substrate (PDMS), polyimide base material (PI), polyethers
Acid imide substrate (PEI), polyether-ether-ketone (PEEK), polyethylene naphthalate (PEN) or polyethylene terephthalate
What at least one of substrate (PET) etc. material was formed has substrate flexible, which has the characteristics such as bend-resistance,
Therefore it can be bent after forming magnetic conduction sheet.
If the thickness of flexible parent metal 10 is blocked up, the bending property of flexible parent metal 10 is poor, and bending angle is smaller, not
It can adapt to the flexible demand of electronic equipment；Meanwhile blocked up flexible parent metal 10 also leads to electronic equipment volume and becomes larger, it is unfavorable
In the lightening of electronic equipment.In addition, causing its form to be relatively hard to keep if the thickness of flexible parent metal 10 is excessively thin, it is being mounted on
Phenomena such as being bonded out-of-flatness when on other components such as conductive coil, be easy to happen warpage.Therefore in the present embodiment, optionally,
Flexible parent metal 10 with a thickness of 3 μm -20 μm, for example, flexible parent metal 10 with a thickness of 3 μm, 10 μm, 15 μm or 20 μm etc., use
The flexible parent metal 10 of the thickness can be avoided the generation of the above problem.
If the thickness of magnetosphere 20 is blocked up, magnetosphere 20 will lead to the bending of magnetic conduction sheet after being formed on flexible parent metal 10
Performance is poor, and bending angle is smaller, can not adapt to the flexible demand of electronic equipment；Meanwhile blocked up magnetosphere 20
It will lead to electronic equipment volume to become larger, be unfavorable for the lightening of electronic equipment.In addition, if the thickness of magnetosphere 20 is excessively thin, it is right
The magnetic conduction effect of metal parts is poor, can not play good shield effectiveness.Therefore in the present embodiment, optionally, magnetosphere
20 with a thickness of 10 μm -100 μm, for example, magnetosphere 20 with a thickness of 10 μm, 20 μm, 50 μm or 100 μm etc..Using the thickness
Magnetosphere 20 can be avoided the generation of the above problem.
In the present embodiment, magnetosphere 20 contain magnetic material, specifically, magnetosphere 20 containing Fe, Co, B, Ni, Si,
Any one element or multiple element in Hf, Zr, for example, magnetosphere 20 can be containing in Fe, Co, B, Ni, Si, Hf, Zr
Any two kinds of elements；Alternatively, magnetosphere 20 can be containing three kinds of elements any in Fe, Co, B, Ni, Si, Hf, Zr etc.；In addition,
Magnetosphere 20 can also be containing whole elements etc. in Fe, Co, B, Ni, Si, Hf, Zr.
Wireless charging device refers to the equipment to charge using electromagnetic wave induction principle, each in its transmitting terminal and receiving end
There is a conductive coil, the conductive coil connection cable power of transmitting terminal generates electromagnetic signal, the conductive coil induction of receiving end
The electromagnetic signal of transmitting terminal charges the battery to generate electric current.In this process, when the alternating current impression electromagnetic field of generation is met
When to metal, then vortex can be generated, vortex can generate heat in a metal, cause device temperature to rise, and reduce charge efficiency,
Waste electric energy.And in the present embodiment, it is collectively formed and on flexible parent metal 10 with flexible parent metal 10 by being arranged magnetosphere 20
After magnetic conduction sheet, and the magnetic conduction sheet is sticked in the transmitting terminal of wireless charging device and the back side of receiving end conductive coil, magnetic conduction sheet
Magnetic field can be prevented to the interference of metal device, play the role of constraining magnetic induction line, carry out nothing so as to improve electronic equipment
Charge efficiency when line charge electricity, prevents energy dissipation.
In the present embodiment, magnetosphere 20 is the magnetic coating that plating is located on the flexible parent metal 10.Specifically, magnetosphere 20
It is plated and is located on flexible parent metal 10 by way of magnetron sputtering or thermal evaporation.Due to the magnetic conduction substance being formed on flexible parent metal 10
For the form of coating, be due to the characteristic of coating itself, between each substance in coating it is close-connected, can avoid in coating
The generation in gap, hereby it is ensured that the shield effectiveness of magnetosphere 20；And magnetic coating is more soft, therefore it is when being cut, energy
Enough avoid edge Fragmentation Phenomena.Certainly, in other embodiments, magnetosphere 20 can also be the magnetism being pasted on flexible parent metal 10
Adhesive layer, alternatively, the magnetisable coating etc. that magnetosphere 20 can be also located on flexible parent metal 10 for painting.
Magnetic conduction sheet in the present invention is made of flexible parent metal 10 and the magnetosphere being formed on flexible parent metal 10 20, flexible
The bending property of substrate 10 is preferable, and bent angle is big, therefore can satisfy the bending demand of flexible electronic devices.Furthermore by
A wherein surface for flexible parent metal 10 is covered in the magnetosphere 20 being formed on flexible parent metal 10, therefore being equivalent to magnetosphere 20 will
This surface of flexible parent metal 10 is uniformly filled up, therefore can be blocked very well to this surface of flexible parent metal 10, to keep away
Exempt from occur exposed region on this surface of flexible parent metal 10, therefore can be not set to avoid there is portion on magnetic conduction sheet
Magnetosphere 20 and there is the phenomenon that leakage field.Also, due to there is the preferable flexible parent metal 10 of one layer of bending property as substrate, no matter
How magnetic conduction sheet is bent, and flexible parent metal 10 can guarantee that magnetic conduction sheet will not occur to be broken and be broken magnetosphere 20, because
This can guarantee the shield effectiveness of magnetic conduction sheet.
The present invention also proposes a kind of preparation method of magnetic conduction sheet.
In embodiments of the present invention, as shown in Figures 2 and 3, the magnetic conduction sheet preparation method the following steps are included:
S100 prepares the target containing magnetic material；
Magnetic material plating on the target is located on flexible parent metal, is plated on the flexible parent metal to be formed by S200
On magnetosphere；
S300, cutting is formed with the magnetospheric flexible parent metal, so that the magnetic conduction sheet be made.
Specifically, magnetic material to be made to target 30 according to a certain percentage, for example, by Fe, Co, B, Ni, Si, Hf,
Target 30 is made in one or more of Zr, Ta element according to a certain percentage.Flexible parent metal 10 is placed in filming equipment, by target
Material 30 is mounted on filming equipment, and corresponding flexible parent metal 10 is arranged, wherein and target 30 contains magnetic material, meanwhile, pass through plated film
Technology is deposited on the magnetic material on target 30 on flexible parent metal 10, is plated on the magnetism on flexible parent metal 10 to be formed
Layer 20.The magnetic material plating on target 30 is located on flexible parent metal 10 in step S200 can specifically be steamed by magnetron sputtering or heat
Hair technology etc. carries out.
It should be noted that the ratio between magnetic material is according to actually required magnetic conductivity, saturation when target is made
The present invention of the performance requirements such as magnetic induction intensity, magnetic loss setting is without limitation.
Can disposably to produce more magnetic conduction sheet, the size of usual flexible parent metal 10 is larger, therefore in flexible parent metal 10
After upper formation magnetosphere 20, which further includes the flexible parent metal 10 that cutting is formed with magnetosphere 20, so that magnetic conduction be made
Piece, user can cut flexible parent metal 10 according to the size of specific magnetic conduction sheet, to get magnetic conduction needed for user
Piece, and which can disposably produce more magnetic conduction sheet, be conducive to improve production efficiency, reduce production cost.
In the present embodiment, the magnetic material plating on the target is located on flexible parent metal, is plated on formation described soft
Magnetosphere on property substrate specifically: move the flexible parent metal continuously, so that the magnetic material on the target plates
It is located on the flexible parent metal and forms the magnetosphere.
Specifically, controller also controls step while the magnetic material plating on target 30 is located on flexible parent metal 10
It is continuously moved into motor driven flexible parent metal 10, i.e. driving flexible parent metal 10 is mobile relative to target 30 in the horizontal direction, so that magnetic
Property material uniform deposition forms magnetosphere 20 on flexible parent metal 10.In the embodiment, continuously movement can make flexible parent metal 10
The magnetosphere 20 that must be formed is more uniform, and can be formed uniformly magnetosphere 20 in each position of flexible parent metal 10, to avoid
10 portion of flexible parent metal can not cover magnetosphere 20 and need to cut off the position into the waste for causing flexible parent metal 10.Separately
Outside, for more magnetic conduction sheet, formation mass production can disposably be made, therefore the size of flexible parent metal 10 is larger, thus drives
Continuously movement can guarantee that each position of flexible parent metal 10 is moveable in the sputter area of target 30 to dynamic flexible parent metal 10
And form coating.It, can be by the way that motor be arranged to drive flexible parent metal 10 continuously to move in filming equipment in the present embodiment.
Further, preparation method further include: formed after magnetosphere 20 on flexible parent metal 10, and cutting flexible base
Before material 10, it is bonded double-sided adhesive on the surface away from magnetosphere 20 of flexible parent metal 10, deviates from flexible parent metal in magnetosphere 20
10 surface is bonded double-sided adhesive.
By way of positive and negative two surfaces in magnetic conduction sheet are bonded double-sided adhesive, magnetic conduction sheet is assembled with other components
When, such as magnetic conduction sheet, when being installed on conductive coil, magnetic conduction sheet can be adhered directly to conductive coil, such phase by double-sided adhesive
It, can be significantly when batched operation disposably can be realized in that a monolith magnetic conduction sheet can be carried out whole rubberizing processing in advance
The time for shortening rubberizing, without after dicing, carrying out rubberizing on the small magnetic conduction sheet of each block.
Optionally, the quantity of target 30 is multiple, and different targets 30 includes different magnetic material in multiple targets 30,
And the magnetic material in same target 30 is identical.Specifically, on filming equipment and corresponding flexible parent metal 10 installs multiple targets
Material 30, and different targets 30 contains different magnetic materials.In the present embodiment, multiple targets 30 are settable in target structure,
I.e. two targets 30 partner, and can according to need selection to the distance between two targets 30 of target, can according to need
Using a pair of or several pairs of targets 30, each pair of target 30 by a power supply power supply, with two a pair of targets 30 respectively with power supply
One is extremely connected.In the embodiment, the magnetic material that different targets 30 contain is different, then in different targets 30 towards flexibility
When substrate 10 sputters, the sputter rate by controlling each target 30 can control the element of the magnetosphere 20 on flexible parent metal 10
Ratio can adjust different targets 30 to form the magnetic conduction sheet of different magnetic components so when needing different magnetic conduction sheets
The parameters such as splash time and rate are realized, without formulating different targets 30 according to different needs cause resource
Waste.
The present invention also proposes a kind of electronic equipment, which includes wireless charging device, and wireless charging device has
Conductive coil is equipped at transmitting terminal and receiving end, transmitting terminal and receiving end, the back side of conductive coil is equipped with magnetic conduction sheet, magnetic conduction sheet
For magnetic conduction sheet as above.Since on the back side of conductive coil (i.e. the conductive coil surface opposite with metal parts), be sticked magnetic conduction
Piece, when the metal parts such as conductive coil and battery are closer, the setting of magnetic conduction sheet can prevent these metal parts from being formed
Eddy-current loss and cause to generate heat, therefore the charge efficiency of electronic equipment can be improved in magnetic conduction sheet.In addition, since electronics of the invention is set
The standby magnetic conduction sheet using in above-described embodiment, the magnetic conduction sheet is by flexible parent metal 10 and the magnetism being formed on flexible parent metal 10
Layer 20 is constituted, and the bending property of flexible parent metal 10 is preferable, and bent angle is big, therefore can satisfy the bending of flexible electronic devices
Demand.Furthermore the magnetic conduction substance due to being formed on flexible parent metal 10 covers a wherein surface for flexible parent metal 10, therefore can be very
It is good that this surface of flexible parent metal 10 is blocked, guarantee the shield effectiveness of magnetic conduction sheet.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all in the present invention
Inventive concept under, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/be used in it indirectly
He is included in scope of patent protection of the invention relevant technical field.
Claims (10)
1. a kind of magnetic conduction sheet, which is characterized in that the magnetic conduction sheet includes that flexible parent metal and plating are located on the flexible parent metal
Magnetosphere, the magnetosphere are covered on a wherein surface for the flexible parent metal.
2. magnetic conduction sheet as described in claim 1, which is characterized in that the flexible parent metal with a thickness of 3 μm -20 μm.
3. magnetic conduction sheet as described in claim 1, which is characterized in that the flexible parent metal include dimethyl silicone polymer substrate,
Polyimide base material, polyetherimide substrate, polyether-ether-ketone, polyethylene naphthalate or polyethylene terephthalate
At least one of substrate material.
4. magnetic conduction sheet as described in claim 1, which is characterized in that the magnetosphere is the magnetic that plating is located on the flexible parent metal
Property coating.
5. magnetic conduction sheet as claimed in claim 4, which is characterized in that the magnetosphere is by way of magnetron sputtering or thermal evaporation
Plating is located on the flexible parent metal.
6. magnetic conduction sheet as described in claim 1, which is characterized in that described magnetospheric with a thickness of 10 μm -100 μm.
7. magnetic conduction sheet as described in claim 1, which is characterized in that the magnetosphere contains in Fe, Co, B, Ni, Si, Hf, Zr
Any one element or multiple element.
8. a kind of preparation method of magnetic conduction sheet characterized by comprising
Prepare the target containing magnetic material；
Magnetic material plating on the target is located on flexible parent metal, to form the magnetism being plated on the flexible parent metal
Layer；
Cutting is formed with the magnetospheric flexible parent metal, so that the magnetic conduction sheet be made.
9. the preparation method of magnetic conduction sheet as claimed in claim 8, which is characterized in that the quantity of the target be it is multiple, it is multiple
The different targets includes the different magnetic materials, and the magnetic material in the same target in the target
It is identical.
10. a kind of electronic equipment, which is characterized in that including wireless charging device, the wireless charging device have transmitting terminal with
Conductive coil is equipped at receiving end, the transmitting terminal and receiving end, the back side of the conductive coil is equipped with magnetic conduction sheet, described to lead
Magnetic sheet is the magnetic conduction sheet as described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273937.0A CN109285672A (en) | 2018-10-29 | 2018-10-29 | Magnetic conduction sheet, the preparation method of magnetic conduction sheet and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273937.0A CN109285672A (en) | 2018-10-29 | 2018-10-29 | Magnetic conduction sheet, the preparation method of magnetic conduction sheet and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109285672A true CN109285672A (en) | 2019-01-29 |
Family
ID=65174809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811273937.0A Pending CN109285672A (en) | 2018-10-29 | 2018-10-29 | Magnetic conduction sheet, the preparation method of magnetic conduction sheet and electronic equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN109285672A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009372A (en) * | 2019-12-24 | 2020-04-14 | 横店集团东磁股份有限公司 | Method and equipment for preparing amorphous nanocrystalline magnetic sheet |
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|---|---|---|---|---|
| CN104167275A (en) * | 2014-07-25 | 2014-11-26 | 同济大学 | Flexible magnetic thin film and preparation method thereof |
| CN104900383A (en) * | 2015-04-27 | 2015-09-09 | 安泰科技股份有限公司 | Single/multi-layer magnetic conductive sheet for wireless charging and preparation method thereof |
| CN108140479A (en) * | 2015-10-05 | 2018-06-08 | 阿莫绿色技术有限公司 | Magnetic piece, comprising its module and include its mancarried device |
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2018
- 2018-10-29 CN CN201811273937.0A patent/CN109285672A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167275A (en) * | 2014-07-25 | 2014-11-26 | 同济大学 | Flexible magnetic thin film and preparation method thereof |
| CN104900383A (en) * | 2015-04-27 | 2015-09-09 | 安泰科技股份有限公司 | Single/multi-layer magnetic conductive sheet for wireless charging and preparation method thereof |
| CN108140479A (en) * | 2015-10-05 | 2018-06-08 | 阿莫绿色技术有限公司 | Magnetic piece, comprising its module and include its mancarried device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111009372A (en) * | 2019-12-24 | 2020-04-14 | 横店集团东磁股份有限公司 | Method and equipment for preparing amorphous nanocrystalline magnetic sheet |
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Application publication date: 20190129 |