CN107123434A - The device being orientated applied to magnetic recording media - Google Patents
The device being orientated applied to magnetic recording media Download PDFInfo
- Publication number
- CN107123434A CN107123434A CN201710559375.5A CN201710559375A CN107123434A CN 107123434 A CN107123434 A CN 107123434A CN 201710559375 A CN201710559375 A CN 201710559375A CN 107123434 A CN107123434 A CN 107123434A
- Authority
- CN
- China
- Prior art keywords
- permanent
- magnetic
- magnet material
- recording media
- orientated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/852—Orientation in a magnetic field
Abstract
The invention discloses a kind of device being orientated applied to magnetic recording media, belong to permanent-magnet material field, including：First permanent magnetic device, it forms the first permanent magnetic circuit；Second permanent magnetic device, it forms the second permanent magnetic circuit, a passage is set between second permanent magnetic device and first permanent magnetic device, first permanent magnetic circuit and second permanent magnetic circuit are symmetrical arranged, and parallel permanent magnetic field is formed in the passage, when magnetic recording media is by the passage, it is orientated.The device uses permanent-magnet material as permanent magnetic source, and magnetic recording media is orientated, energy-saving and environment-friendly without using electromagnetic field.
Description
Technical field
The invention belongs to permanent-magnet material field, more particularly to a kind of device being orientated applied to magnetic recording media.
Background technology
In Magnetographic Technology can as information carrier material, such as tape, disk, magnetic card are referred to as magnetic recording medium
Matter.At present, it is usually that magnetic recording media is put into electromagnetic field in the presence of electromagnetic field when being orientated to magnetic recording media
Magnetization is produced, vertical magnetic field or parallel magnetic field is formed.But, the electromagnetic field that this method for alignment is used, it is necessary to which electricity is provided
Source, magnetizing equipment etc. could be realized.
The content of the invention
For the deficiencies in the prior art, it is applied to what magnetic recording media was orientated it is an object of the present invention to provide a kind of
Device, the device uses permanent-magnet material as permanent magnetic source, and magnetic recording media is orientated, and without using electromagnetic field, both saves
Environmental protection again.
The technical scheme that the present invention is provided is：
A kind of device being orientated applied to magnetic recording media, including：
First permanent magnetic device, it forms the first permanent magnetic circuit；
Second permanent magnetic device, it forms second permanent magnetic circuit, second permanent magnetic device and first permanent magnetic device it
Between a passage is set, first permanent magnetic circuit and second permanent magnetic circuit are symmetrical arranged, and form flat in the passage
Capable permanent magnetic field, when magnetic recording media is by the passage, is orientated to it.
Preferably, the described device for being applied to magnetic recording media orientation, first permanent magnetic device and described second
Permanent magnetic device includes one first permanent-magnet material being arranged in order in order, one second permanent-magnet material and one the 3rd permanent-magnet material,
Wherein, the direction of magnetization of first permanent-magnet material is opposite with the direction of magnetization of the 3rd permanent-magnet material and is each perpendicular to described
The N of the Y of passage, the S poles of first permanent-magnet material and the 3rd permanent-magnet material is extremely close to the passage, and described
The direction of magnetization of two permanent-magnet materials parallel to the passage Y and its N extremely close to the 3rd permanent-magnet material.
Preferably, the described device for being applied to magnetic recording media orientation, first permanent magnetic device and described second
Permanent magnetic device also include a magnetic conductive board, the magnetic conductive board be arranged on first permanent-magnet material, second permanent-magnet material and
The other end relative with the passage of 3rd permanent-magnet material, to connect first permanent-magnet material and the described 3rd forever
Magnetic material formation magnetic circuit.
Preferably, the described device for being applied to magnetic recording media orientation, first permanent magnetic device and described second
Permanent magnetic device also includes the first poly- magnet plate and the second poly- magnet plate, the first poly- magnet plate and first permanent-magnet material
S poles connect, the second poly- magnet plate connects with the N poles of the 3rd permanent-magnet material.
Preferably, the described device for being applied to magnetic recording media orientation, the first poly- magnet plate and described second
Poly- magnet plate is mild steel, and carbon content is less than 0.25%.
Preferably, the described device for being applied to magnetic recording media orientation, first permanent-magnet material, described second are forever
The magnetic energy product of magnetic material and the 3rd permanent-magnet material is all higher than 35MGOe.
Preferably, the described device for being applied to magnetic recording media orientation, the carbon content of the magnetic conductive board is less than
0.45%.
The present invention at least includes following beneficial effect：Due to the first permanent magnetic device formation the first permanent magnetic circuit and second forever
Second permanent magnetic circuit of magnetic device formation is symmetrical arranged, and shape in the passage between the first permanent magnetic device and the second permanent magnetic device
Into permanent magnetic field, using the permanent magnetism aligning device of two sets of permanent magnetic circuit compositions, when channel width is 20mm, the shimming in passage
Area's magnetic field intensity can reach more than 1.2T, and when channel width is 12mm, shimming area magnetic field intensity can reach more than 1.8T,
Therefore, the device being made up of permanent-magnet material can be orientated to magnetic recording media, without electromagnetic field, energy-conserving and environment-protective, structure letter
Single, cost is low.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention for being applied to the device that magnetic recording media is orientated；
Fig. 2 analyzes schematic diagram for the magnetic circuit and magnetic energy product of the device of the present invention being orientated applied to magnetic recording media.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
To make the advantage of technical solution of the present invention clearer, the present invention is made specifically with reference to the accompanying drawings and examples
It is bright.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or many
The presence or addition of individual other elements or its combination.
As shown in figure 1, the device provided in an embodiment of the present invention being orientated applied to magnetic recording media, including：First permanent magnetism
Device, it forms the first permanent magnetic circuit；Second permanent magnetic device, it forms the second permanent magnetic circuit, second permanent magnetic device and institute
State and a passage 7 is set between the first permanent magnetic device, first permanent magnetic circuit and second permanent magnetic circuit are symmetrical arranged, and
Parallel permanent magnetic field is formed in the passage, when magnetic recording media is by the passage, it is orientated.
Due to the first permanent magnetic circuit and the second permanent magnetic circuit pair of the second permanent magnetic device formation of the formation of the first permanent magnetic device
Claim to set, and permanent magnetic field is formed in the passage between the first permanent magnetic device and the second permanent magnetic device, using two sets of permanent-magnet magnetics
The permanent magnetism aligning device of road composition, when channel width is 20mm, the shimming area magnetic field intensity in passage can reach 1.2T with
On, when channel width is 12mm, shimming area magnetic field intensity can reach more than 1.8T, therefore, the dress being made up of permanent-magnet material
Putting can be orientated to magnetic recording media, without electromagnetic field, and energy-conserving and environment-protective are simple in construction, and cost is low.When magnetic recording media is logical
When crossing passage, the composite containing magnetic is magnetized, a uniform magnetization pin is formed, then solidified through film coating technique.
Specifically, described is applied to the device that magnetic recording media is orientated, first permanent magnetic device and described second is forever
Magnetic device includes one first permanent-magnet material 2 being arranged in order in order, one second permanent-magnet material 4 and one the 3rd permanent-magnet material 5,
Wherein, the direction of magnetization of first permanent-magnet material 2 is opposite with the direction of magnetization of the 3rd permanent-magnet material 5 and is each perpendicular to institute
State the Y of passage 7, the N of the S poles of first permanent-magnet material and the 3rd permanent-magnet material is extremely close to the passage 7, institute
The direction of magnetization of the second permanent-magnet material is stated parallel to the Y and its N of the passage extremely close to the 3rd permanent-magnet material.
Wherein, the described device for being applied to magnetic recording media orientation, first permanent-magnet material 2, second permanent magnetism
The magnetic energy product of material 4 and the 3rd permanent-magnet material 5 is all higher than 35MGOe.
Transmitted for the ease of magnetic circuit, reduce quantity of magnetism loss, further, another side of being preferable to carry out of the embodiment of the present invention
Formula is：Described is applied to the device that magnetic recording media is orientated, and first permanent magnetic device and second permanent magnetic device are also
Including a magnetic conductive board 3, the magnetic conductive board 3 is arranged on first permanent-magnet material, second permanent-magnet material and the described 3rd forever
The other end relative with the passage 7 of magnetic material, to connect first permanent-magnet material 2 and the 3rd permanent-magnet material 5
Form magnetic circuit.
It should be noted that because two covering device structures in the embodiment of the present invention are just the same, and be symmetrical arranged, in order to
Different marks are employed in degree of having any different, accompanying drawing 1, the first permanent-magnet material in such as the first permanent magnetic device is represented using label 2,
The first permanent-magnet material in second permanent magnetic device uses label 2, represents.
In order to reach more preferable poly- magnetic effect, further, another preferred embodiment of the embodiment of the present invention is：Institute
That states is applied to the device that magnetic recording media is orientated, and first permanent magnetic device and second permanent magnetic device also include first
The poly- magnet plate 6 of poly- magnet plate 1 and second, the first poly- magnet plate 1 connects with the S poles of first permanent-magnet material 2, and described
Dimerization magnet plate 6 connects with the N poles of the 3rd permanent-magnet material 5.The first poly- magnet plate can be pasted in specific implementation process
In S poles one end of the first permanent-magnet material, the second poly- magnet plate is pasted onto one end of the N poles of the 3rd permanent-magnet material.
Wherein, the described device for being applied to magnetic recording media orientation, the first poly- magnet plate and the second poly- magnetic
Iron plate is mild steel, and carbon content is less than 0.25%.
As described above, the device uses permanent-magnet material as permanent magnetic source, magnetic recording media is orientated, without using electricity
Magnetic field, it is energy-saving and environment-friendly.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (7)
1. a kind of device being orientated applied to magnetic recording media, it is characterised in that including：
First permanent magnetic device, it forms the first permanent magnetic circuit；
Second permanent magnetic device, it forms the second permanent magnetic circuit, set between second permanent magnetic device and first permanent magnetic device
A passage is put, first permanent magnetic circuit and second permanent magnetic circuit are symmetrical arranged, and form parallel in the passage
Permanent magnetic field, when magnetic recording media is by the passage, is orientated to it.
2. the device being orientated as claimed in claim 1 applied to magnetic recording media, it is characterised in that first permanent magnetic device
Include one first permanent-magnet material being arranged in order in order, one second permanent-magnet material and one the 3rd with second permanent magnetic device
Permanent-magnet material, wherein, the direction of magnetization of first permanent-magnet material is opposite with the direction of magnetization of the 3rd permanent-magnet material and equal
Perpendicular to the Y of the passage, the N of the S poles of first permanent-magnet material and the 3rd permanent-magnet material is extremely close to described logical
Road, the direction of magnetization of second permanent-magnet material parallel to the passage Y and its N extremely close to the 3rd permanent magnetism material
Material.
3. the device being orientated as claimed in claim 2 applied to magnetic recording media, it is characterised in that first permanent magnetic device
Also include a magnetic conductive board with second permanent magnetic device, the magnetic conductive board is arranged on first permanent-magnet material, described second
The other end relative with the passage of permanent-magnet material and the 3rd permanent-magnet material, to connect first permanent-magnet material and
The 3rd permanent-magnet material formation magnetic circuit.
4. the device being orientated as claimed in claim 3 applied to magnetic recording media, it is characterised in that first permanent magnetic device
Also include the first poly- magnet plate and the second poly- magnet plate, the first poly- magnet plate and described the with second permanent magnetic device
The S poles of one permanent-magnet material connect, and the second poly- magnet plate connects with the N poles of the 3rd permanent-magnet material.
5. the device being orientated as claimed in claim 4 applied to magnetic recording media, it is characterised in that the first poly- magnet plate
It is mild steel with the described second poly- magnet plate, carbon content is less than 0.25%.
6. the device being orientated as claimed in claim 2 applied to magnetic recording media, it is characterised in that the first permanent magnetism material
The magnetic energy product of material, second permanent-magnet material and the 3rd permanent-magnet material is all higher than 35MGOe.
7. the device being orientated as claimed in claim 3 applied to magnetic recording media, it is characterised in that the carbon of the magnetic conductive board contains
Amount is less than 0.45%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710559375.5A CN107123434A (en) | 2017-07-07 | 2017-07-07 | The device being orientated applied to magnetic recording media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710559375.5A CN107123434A (en) | 2017-07-07 | 2017-07-07 | The device being orientated applied to magnetic recording media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107123434A true CN107123434A (en) | 2017-09-01 |
Family
ID=59730641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710559375.5A Pending CN107123434A (en) | 2017-07-07 | 2017-07-07 | The device being orientated applied to magnetic recording media |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107123434A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580966A (en) * | 1983-06-02 | 1986-04-08 | Victor Company Of Japan, Limited | Orientation processing device for magnetic particles on disc-shaped magnetic recording medium |
| WO1996023302A1 (en) * | 1995-01-23 | 1996-08-01 | Minnesota Mining And Manufacturing Company | Degausser for tape used with contact duplication |
| RU2104591C1 (en) * | 1996-01-18 | 1998-02-10 | Вадим Владимирович Колосов | Method for clearing moving magnetic recording carrier |
| US6261647B1 (en) * | 1995-01-02 | 2001-07-17 | Fuji Photo Film Co., Ltd. | Method and apparatus for manufacturing magnetic recording medium |
| JP2005190513A (en) * | 2003-12-24 | 2005-07-14 | Hitachi Maxell Ltd | Method and device for manufacturing magnetic recording medium |
| CN1750129A (en) * | 2004-08-23 | 2006-03-22 | Tdk股份有限公司 | Magnetic recording medium and magnetic recording/reproducing apparatus |
| JP2006221757A (en) * | 2005-02-14 | 2006-08-24 | Neomax Co Ltd | Magnetic field generating apparatus |
| US20070231603A1 (en) * | 2006-03-31 | 2007-10-04 | Shin-Etsu Chemical Co., Ltd. | Permanent magnetic circuit, axisymmetric magnetic field generating method, and manufacturing method for perpendicular magnetic recording medium |
| US20080013244A1 (en) * | 2006-07-14 | 2008-01-17 | Schultz Robert A | Method and Apparatus for Permanent Magnet Erasure of Magnetic Storage Media |
| US20100246057A1 (en) * | 2009-03-31 | 2010-09-30 | Sun Microsystems, Inc. | Servo writer providing a pre-writing, longitudinal magnetic bias in a magnetically unoriented tape supply |
| JP2011138566A (en) * | 2009-12-25 | 2011-07-14 | Fujifilm Corp | Method and apparatus for manufacturing magnetic recording medium |
| EP2374131A1 (en) * | 2008-12-02 | 2011-10-12 | Seagate Technology LLC | Spin-torque bit cell with unpinned reference layer and unidirectional write current |
| CN206946939U (en) * | 2017-07-07 | 2018-01-30 | 京磁材料科技股份有限公司 | Device applied to magnetic recording media orientation |
-
2017
- 2017-07-07 CN CN201710559375.5A patent/CN107123434A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580966A (en) * | 1983-06-02 | 1986-04-08 | Victor Company Of Japan, Limited | Orientation processing device for magnetic particles on disc-shaped magnetic recording medium |
| US6261647B1 (en) * | 1995-01-02 | 2001-07-17 | Fuji Photo Film Co., Ltd. | Method and apparatus for manufacturing magnetic recording medium |
| WO1996023302A1 (en) * | 1995-01-23 | 1996-08-01 | Minnesota Mining And Manufacturing Company | Degausser for tape used with contact duplication |
| RU2104591C1 (en) * | 1996-01-18 | 1998-02-10 | Вадим Владимирович Колосов | Method for clearing moving magnetic recording carrier |
| JP2005190513A (en) * | 2003-12-24 | 2005-07-14 | Hitachi Maxell Ltd | Method and device for manufacturing magnetic recording medium |
| CN1750129A (en) * | 2004-08-23 | 2006-03-22 | Tdk股份有限公司 | Magnetic recording medium and magnetic recording/reproducing apparatus |
| JP2006221757A (en) * | 2005-02-14 | 2006-08-24 | Neomax Co Ltd | Magnetic field generating apparatus |
| US20070231603A1 (en) * | 2006-03-31 | 2007-10-04 | Shin-Etsu Chemical Co., Ltd. | Permanent magnetic circuit, axisymmetric magnetic field generating method, and manufacturing method for perpendicular magnetic recording medium |
| US20080013244A1 (en) * | 2006-07-14 | 2008-01-17 | Schultz Robert A | Method and Apparatus for Permanent Magnet Erasure of Magnetic Storage Media |
| EP2374131A1 (en) * | 2008-12-02 | 2011-10-12 | Seagate Technology LLC | Spin-torque bit cell with unpinned reference layer and unidirectional write current |
| US20100246057A1 (en) * | 2009-03-31 | 2010-09-30 | Sun Microsystems, Inc. | Servo writer providing a pre-writing, longitudinal magnetic bias in a magnetically unoriented tape supply |
| JP2011138566A (en) * | 2009-12-25 | 2011-07-14 | Fujifilm Corp | Method and apparatus for manufacturing magnetic recording medium |
| CN206946939U (en) * | 2017-07-07 | 2018-01-30 | 京磁材料科技股份有限公司 | Device applied to magnetic recording media orientation |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170901 |
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| RJ01 | Rejection of invention patent application after publication |