CN103975396A - A system and method for producing magnetic structures - Google Patents

A system and method for producing magnetic structures Download PDF

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Publication number
CN103975396A
CN103975396A CN201280057471.5A CN201280057471A CN103975396A CN 103975396 A CN103975396 A CN 103975396A CN 201280057471 A CN201280057471 A CN 201280057471A CN 103975396 A CN103975396 A CN 103975396A
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China
Prior art keywords
magnetic
print head
magnetisable material
induction coil
magnetic source
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CN201280057471.5A
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Chinese (zh)
Inventor
拉里·W·富勒顿
马克·D·罗伯茨
斯蒂芬·D·施特劳斯
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Individual
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Individual
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Priority claimed from US13/659,444 external-priority patent/US20140111296A1/en
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Publication of CN103975396A publication Critical patent/CN103975396A/en
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Abstract

A system for producing magnetic structures includes multiple magnetizing circuits and multiple inductor coils used to magnetically print multiple magnetic sources onto multiple pieces of magnetizable material. The multiple pieces of magnetizable material may be moving on a motion control system. The multiple inductor coils may be configured on one or more gantries. The motion control system may be a conveyor system.

Description

For generation of the system and method for magnetic structure
Require the rights and interests of the U. S. application of first submit
This international application requirement U.S. non-temporary patent application number is 13/659,444, submitting day to is the rights and interests on October 24th, 2012 (attorney docket: 120997-339737), and the submission day that requires U.S. Provisional Patent Application be on October 25th, 2011, case number for CRR-0007/CIP48-P, be entitled as the rights and interests of " A System andMethod for Producing Magnetic Structures ", both full contents mode is by reference incorporated in the application.
Technical field
The disclosure relates generally to the system and method for generation of magnetic structure.More specifically, the disclosure relates to by magnetic source (or magnetic source) is magnetically printed onto to the system and method that produces magnetic structure on magnetisable material.
Summary of the invention
An embodiment is for the system for generation of magnetic structure, and this system can comprise: the first magnetization circuit, and it has for the first magnetic source being magnetically printed onto to the first induction coil on magnetisable material; And second magnetization circuit, it has for the second magnetic source being magnetically printed onto to the second induction coil on described magnetisable material.Described the first magnetic source has the first polarity and described the second magnetic source has and described first opposite polarity the second polarity, or described the first magnetic source and described the second magnetic source can have identical polarity.
In certain embodiments, this system can comprise the mechanism being associated with described the first induction coil, for providing power to described magnetisable material.
In certain embodiments, this system can comprise the first gantry (gantry), for supporting described the first induction coil.
In certain embodiments, this system can comprise servomotor, for described the first induction coil is moved along described the first gantry.
In certain embodiments, described the first gantry can also support described the second induction coil, or this system can comprise the second gantry, and it is for supporting described the second induction coil.
In certain embodiments, this system can comprise magnetic masking layer.
In certain embodiments, this system can comprise fin.
In certain embodiments, this system can comprise rack mount (rack mount) system.
In certain embodiments, described the first magnetic circuits can be constructed to the first rack mount magnetized module.
In certain embodiments, described the second magnetic circuits can be constructed to the second rack mount magnetized module.
In certain embodiments, this system can comprise magnetic field measuring device.
In certain embodiments, described the first induction coil can be printed onto multiple described magnetic source on described magnetisable material.
In certain embodiments, this system can comprise conveyer system.
In certain embodiments, this system can comprise control system, for controlling the printing of the movement with respect to magnetisable material of being undertaken by the first induction coil.
In certain embodiments, this system can comprise metal plating device, and it is for electroplating the first side of described magnetisable material so that magnetic flux can be concentrated in the second side of the described magnetisable material contrary with described the first side.
In certain embodiments, described the first induction coil can the first row printing and described the second induction coil can with the second row printing of described the first row biasing.
In certain embodiments, the size in the hole of described the first induction coil is different from the size in the hole of described the second induction coil.
Brief description of the drawings
With reference to Figure of description, the disclosure is described.In the accompanying drawings, identical reference number refers to element similar in identical or function.In addition, the leftmost numeral of reference marker refers to reference number and appears at first accompanying drawing wherein.
Figure 1A and Figure 1B show exemplary magnetic conductor;
Fig. 1 C shows the magnetic structure of printing is removed from exemplary magnetic conductor;
Fig. 1 D to Fig. 1 I shows the representative configuration according to one or more embodiment;
Fig. 2 A to Fig. 2 D shows the exemplary conveyer based on magnetizing system;
Fig. 3 A shows exemplary gantry assembly, and wherein each print head has for downward power being applied to the associating spring on magnetisable material;
Fig. 3 B shows exemplary gantry assembly, and wherein each print head has for downward power being applied to magnetisable material, being oriented the associating magnet pair repelling each other;
Fig. 4 A shows exemplary gantry assembly, and this gantry assembly has for downward power is applied to the spring on magnetisable material;
Fig. 4 B shows exemplary gantry assembly, and this gantry assembly has for downward power being applied to Magnetized Material, being oriented the associating magnet pair repelling each other;
Fig. 5 A provides the oblique projection view of the exemplary print head with smooth print surface;
Fig. 5 B and Fig. 5 C show respectively the end view of the print head of Fig. 5 A being printed on magnetisable material, and this magnetisable material has flat surfaces and curved surface;
Fig. 5 D shows optional print head shape, and wherein the multiple planar metal layer of this print head has the concave shape being consistent with the convex surfaces of magnetisable material;
Fig. 5 E to Fig. 5 G shows another optional print head shape, wherein the multiple planar metal layer of this print head has the convex shape that can make print head contact with magnetisable material, and this magnetisable material has the surface of surface, flat surfaces or the concave shape of convex shape.
Fig. 5 H still shows another optional print head shape, and wherein the multiple planar metal layer of this print head has funnelform shape;
Fig. 6 A shows the exemplary print head on the first outer surface corresponding to magnetized surface with insulating barrier;
Fig. 6 B shows the exemplary print head on the first outer surface and the second outer surface with insulating barrier;
Fig. 6 C shows the exemplary print head being surrounded by insulating barrier;
Fig. 7 A shows the print head of the print head that is similar to Fig. 5 B, and this print head has smooth magnetic masking layer in its lower section;
Fig. 7 B shows the print head of the print head that is similar to Fig. 5 H, and this print head has the magnetic masking layer increasing at thickness to its external boundary from its hole;
Fig. 7 C shows the print head of the print head that is similar to Fig. 5 B, and this print head has in its lower section smooth magnetic masking layer and on its top, has smooth magnetic masking layer;
Fig. 7 D shows the print head of the print head that is similar to Fig. 7 C, and this print head has ferromagnetic core in the inside of its hole;
Fig. 7 E shows the oblique projection view of magnetic masking layer, and this magnetic masking layer has slit from center hole to its girth.
Fig. 7 F shows the exemplary print head being surrounded by magnetic masking layer, and this print head has ferromagnetic core in the inside of its hole;
Fig. 7 G shows the oblique projection view of the print head of Fig. 7 F, and wherein Fig. 7 F shows the slit in magnetic masking layer;
Fig. 8 A shows the print head of the print head that is similar to Fig. 6 A, and this print head has smooth magnetic masking layer in its lower section;
Fig. 8 B shows the print head of the print head that is similar to Fig. 6 B, and this print head has magnetic masking layer on its top;
Fig. 8 C shows the exemplary print head being surrounded by insulating barrier, and this insulating barrier is surrounded by magnetic masking layer;
Fig. 8 D shows the print head of the print head that is similar to Fig. 8 C, and this print head has ferromagnetic core in the inside of its hole;
Fig. 9 A and Fig. 9 B show the print head of the print head that is similar to Fig. 5 A to Fig. 5 C, and these print heads have exemplary fin;
Fig. 9 C shows the print head of the print head that is similar to Fig. 9 A and Fig. 9 B, and this print head is surrounded by insulating barrier, and this insulating barrier is surrounded by magnetic masking layer, and wherein, insulating barrier and screen all have the hole corresponding to the hole of print head.
Figure 10 A and Figure 10 B show and can be used to exemplary mechanical arm that print head and/or magnetisable material are moved;
Figure 11 A and Figure 11 B show respectively exemplary rack mount magnetized module and rack mount system;
Figure 12 show there is integrally formed magnetic field measuring device, magnetizing system based on conveyer; And
Figure 13 shows magnetic conductor and uses management system.
Embodiment
With reference now to Figure of description,, the complete elaboration disclosure in more detail, some of them embodiment has been illustrated.But the disclosure should not be regarded as the embodiment that restriction proposes herein; On the contrary, to be provided to make the disclosure be comprehensive and complete to these embodiment and the disclosure has been passed on protection range of the present disclosure fully to those skilled in the art.
Unrestricted by example, the embodiment of specific description can relate to for generation of the system of magnetic structure and/or device, for generation of the method for magnetic structure, the magnetic structure producing by magnetic printing and in conjunction with etc.Emerging, the revolutionary technology that can be called as at least in part associated magnetomechanics (correlated magnetics) by using promotes the example implementation for these embodiment.Be called associated magnetomechanical this revolutionary technology herein and first combining the Application No. of appointment: 7,800,471, within open day, be that on September 21st, 2010 and name are called in " A Field Emission System and Method " and are intactly described and use.The full content of document mode is by reference incorporated in the application.The associated magnetic force technology of the second generation is being combined the U.S. Patent number of appointment: within open day, be 7,868,721, that on January 11st, 2011 and name are called in " A Field Emission System and Method " and are described and use.The full content of document mode is by reference incorporated in the application.The associated magnetic force technology of the third generation is being combined the U.S. Patent number of appointment: within open day, be 8,179,219, that on May 15th, 2012 and name are called in " A Field Emission Systemand Method " and are described and use.The full content of document mode is by reference incorporated in the application.Be known as the another kind of technology of associated inductance, it relates to associated magnetomechanics and has combined the U.S. Patent number of appointment: 8,115,581, within open day, be that on February 14th, 2012 and name are called in " A system and Methodfor Producing an Electric Pulse " and are described and use.The full content of document mode is by reference incorporated in the application.
The material herein presenting can relate to multistage associated magnetic force systems for generation of multistage associated magnetic force systems with method and/or can be implemented together with this multistage associated magnetic force systems and method for generation of multistage associated magnetic force systems, this multistage associated magnetic force systems is such as at U.S. Patent number 7,982,568, open day is described in 19 days July in 2011, and document full content mode is by reference incorporated in the application.The material herein presenting can relate to such as in Application No.: 13/184,543, submission day is energy production system and the method for describing in 17 days July in 2011 and/or is implemented together with this energy production system and method, and document full content mode is by reference incorporated in the application.Such system and method is described in U.S. Patent number 7,681,256 (open day is on March 23rd, 2010), U.S. Patent number 7,750,781 (open day is on July 6th, 2010), U.S. Patent number 7,755,462 (open day is on July 13rd, 2010), U.S. Patent number 7,812,698 (open day is on October 12nd, 2010), U.S. Patent number 7,817,002, U.S. Patent number 7,817,003, U.S. Patent number 7,817,004, U.S. Patent number 7,817,005 and U.S. Patent number 7,817,006 (open day be on October 19th, 2010), U.S. Patent number 7,821,367 (open day is on October 26th, 2010), U.S. Patent number 7,823,300 and U.S. Patent number 7,824,083 (open day be on November 2nd, 2011), U.S. Patent number 7,834,729 (open day is on November 16th, 2011), U.S. Patent number 7,839,247 (open day is on November 23rd, 2010), U.S. Patent number 7,843,295, U.S. Patent number 7,843,296 and U.S. Patent number 7,843,297 (open day be on November 30th, 2010), U.S. Patent number 7,893,803 (open day is on February 22nd, 2011), U.S. Patent number 7,956,711 and U.S. Patent number 7,956,712 (open day be on June 7th, 2011), U.S. Patent number 7,958,575, U.S. Patent number 7,961,068 and U.S. Patent number 7,961,069 (open day be on June 14th, 2011), U.S. Patent number 7,963,818 (open day is on June 21st, 2011), with U.S. Patent number 8,015,752 and U.S. Patent number 8,016,330 (open day be on September 13rd, 2011) in, its full content mode is by reference incorporated in the application.
The amount of size that can be applied to the associated magnetic structure of design for coding is very high, and this has given associated magnetic structure designer a lot of degrees of freedom.For example, designer can change magnetic source size, magnetic source shape, magnetic source polarity, magnetic source magnetic field intensity and magnetic source position with respect to other source with coding in one dimension, two dimension or three dimensions, and even can change by use electromagnet or permanent electric magnet by control system multisource nature perhaps in time.Multiple technologies can also be employed to obtain multi stage magnetic control.In other words, the reciprocation between two structures depends on the separation distance between them and can change.Possible combination is nonrestrictive in essence.
The disclosure relates to by magnetic pixel (or magnetic source (maxel)) magnetic printing is produced to magnetic structure to magnetisable material, and this can be described to magnetic spot or some magnetization.This realizes by the magnetic conductor that is used as magnetic printing machine, this magnetic printing machine can make magnetisable material relative to the position of magnetic printing head move (and/or vice versa) making magnetic pixel (or magnetic source) to be printed onto with the pattern specifying on magnetisable material (in).In the time of magnetic conductor printing magnetic source, print head and magnetisable material are adjacent, wherein, the magnetic field that the hole by from print head occurs but not make magnetic source be printed (or being magnetized) in the magnetic field of the inside in the hole of print head (namely hole).Typically, (that is to say being greater than dimensionally the size in hole of print head and the inside that therefore magnetisable material can not be engaged in the hole of print head by the magnetized magnetisable material of point, the same with the coil of most of traditional magnetic conductors, print head, induction coil do not surround the material being magnetized).
For given magnetisable material (wherein the characteristic of magnetisable material can be considered as a part for typography), the situation of supposing magnetization voltage and the corresponding electric current of regulation, the characteristic of print head can be established to produce given shape and the size of magnetic source.Printing machine can be constructed to magnetize in the direction perpendicular to magnetized surface, but printing machine also can be constructed to magnetize in the direction that is not orthogonal to magnetized surface.
There is the magnetic printing machine of the print head that is also referred to as induction coil in Application No. 12/476,952, submit to day be June 2 in 2009 day, be called in the document of " A Field Emission System andMethod " and be described, its full content mode is by reference incorporated in the application.A kind of optional print head design is in Application No. 12/895,589, submitting day to is on September 3rd, 2010, name is called in the document of " System and Method for Energy Generation " and has been described, and its full content mode is by reference incorporated in the application.Another kind of optional print head design is associated with Application No. 13/240/, 355, submitting day to is that Figure 19 A to Figure 19 that September 22 in 2011, day, were called in " Magnetic Structure Production " is described, and its full content mode is by reference incorporated in the application.
According to some embodiment, magnetizing field need to be limited to little geometry at the some place contacting with material to be magnetized, to produce the magnetic source of sharp-pointed restriction.Two principles are taken into account in the development of previously described magnetic circuit and magnetic printing head.First, magnetisable material can need their permanent magnet polarization very quick, for example for some materials in microsecond or nanosecond even; Secondly, Lenz's law (Lenz ' s law) conductor is foreclosed changing fast magnetic field, that is to say, this fast-changing is not allowed to thrust degree of depth of good conductor (being called as " depth of penetration " (skin depth)).Due to these two principles, the magnetization circuit using together with exemplary print head described herein creates the heavy current pulse of 0.8ms duration, and this current impulse has the bandwidth of about 1250KHz, this also can produce about 0.6mm calculate penetrate thickness.As previously mentioned, print head can be designed as the magnetic source that produces the different size with different magnetic source diameters, and such as magnetic source diameter is 4mm, 3mm, 2mm, 1mm etc., wherein, magnetic source diameter can also be greater than 4mm or be less than 1mm.It is approximately 1mm that previously described exemplary print head has with the hole of the about 1mm diameter in center and the thickness of assembly, and therefore, during printing magnetic source, most field wire is forced to not penetrate across hole the copper coin (or layer) of composition head.Therefore, the combination of magnetization pulse characteristic and print head physical dimension has created magnetizing field, its in head in the hole of 1mm or and there is very high flux density and there is elsewhere low-down magnetic flux near this hole place, to cause the magnetic source of the sharp-pointed restriction with about 1mm diameter.
As previously mentioned, some embodiment are used by the magnetic conductor that is used as magnetic printer, and wherein this magnetic printer can make magnetisable material move to make magnetic pixel (or magnetic source) to be printed with the pattern of regulation relative to the position of print head (and/or vice versa).An embodiment of magnetic conductor is described in Figure 1A to Fig. 1 C, and wherein the position of the position of print head 106 and magnetisable material 128 is all moved to print the pattern of regulation.Particularly, print head is moved up and down with respect to the magnetisable material in fixture (fixture) in Z-direction, and wherein this fixture is moved in X-Y plane.With reference to Figure 1A and Figure 1B, magnetic conductor 100 comprises magnetization subsystem, and this magnetization subsystem comprises the power supply 102 for charging to capacitor 104, and capacitor 104 is used to produce by the electric current of print head 106.What do not show is the switching circuit that comprises thyristor (SCR), its polarity for controlling the polarity of the electric current by print head 106 and therefore controlling the magnetic source of given printing.For determined the magnetic field intensity of passing through the magnitude of current of print head 106 and therefore determining given magnetic source to the voltage of capacitor charging.
Magnetic conductor 100 also comprises the motion control subsystem for magnetisable material is moved.This motion control subsystem comprises the X-axis servomotor 108 of the movement of controlling the first linear kinematic screw driver element, for example, the not servomotor with brush, and comprise the Y-axis servomotor 110 of the movement of controlling the second linear movement screw drives unit.X-axis servomotor 108 is controlled the movement of the fixture 112 that comprises magnetisable material in X-Y plane together with Y-axis servomotor 110.Shown fixture 112 has slit, to hold the magnetisable material of disc part of 9 diameter 1.5 × thickness 1/8, such as neodymium ferro-boron (NIB) magnetisable material 128, its can before magnetic conductor 100 prints magnetic source pattern, be routinely magnetized (such as axially, diametric(al) ground, or radially) or unmagnetized (for example demagnetization magnet).Fig. 1 C shows the magnetic structure 128 just removing from the fixture of Figure 1A and Figure 1B.Slit can be set up to be of a size of and make magnetisable material snugly be engaged in slit and during magnetizing and not move.The fixture of multiple other shapes can be used to keep difform magnetisable materials 128 such as square, rectangle, annular.Fixture can depend on that one or more polytype attachment means move during printing to prevent magnetisable material.Attachment means can comprise, for example, and one group of screw, fixture or vacuum.Given fixture can use traditional magnet (such as magnet on magnet or magnet on metal) or associated magnetic structure and be attached to X-Y workbench.
The kinetic control system of magnetic conductor 100 also comprises the Z axis servomotor 110 for making print head 106 move up and down in Z-direction.Similarly, during operation, mobile below print head 106 to the given X-Y position in certain portions at magnetisable material, print head 106 is lowered to Z position subsequently, and this Z position contacts with the surface of Magnetized Material 128 or the surface of close Magnetized Material 128 closely.Magnetization subsystem charged and with the short pulse of after-current (such as 800 dimension seconds) by print head 106, thereby print head is magnetized into magnetic source in (or being printed onto) magnetisable material in given X-Y position.What those skilled in the art should understand that is, by sequencing mobile and control the position (and Magnetized Material 128) therefore of print head 106 and fixture 112, and pass through sense of current and the amount of print head 106 by control, can produce the magnetic structure 128 with different magnetic source patterns, connect on the basis of a magnetic source at a magnetic source thus, can control the characteristic (such as polarity and magnetic field intensity) of the magnetic source of each printing.
Figure 1A and Figure 1B also show the gantry 116 for supporting printing head 106, and wherein, gantry 116 is attached on shell 118.For this embodiment, gantry 116 supports movably print head 106, and Z axis servomotor 114 is attached to gantry 116 and print head is attached to Z axis servomotor 114 thus.In optional embodiment, do not need Z axis servomotor, wherein, print head 106 is attached directly to gantry 116 and therefore has fixed position, in the time moving below print head, this fixed position is positioned in fact near magnetisable material or contacts with magnetisable material.
Magnetic conductor 100 can be controlled by computer 120, the as directed portable computer of example, computer 120 can be directly connected with magnetic conductor 100 or can indirectly computer 120 be connected with magnetic conductor 100 by having the network (such as Ethernet connects) being connected by ethernet port 122.The motion controller 124 that computer 120 is controlled for controlled motion system and SCR circuits for triggering plate 126, such as Galil controller, wherein SCR circuits for triggering plate 126 is for controlling magnetization subsystem.In Figure 1A and Figure 1B, motion controller 124 and SCR circuits for triggering plate 126 are hidden in below wire, and wherein wire is for being attached to them motion control and magnetization subsystem.
The magnetic conductor 100 of Figure 1A to Fig. 1 C is constructed to print on the flat surfaces of magnetisable material 128.Magnetic conductor can also be constructed in non-planar surface or in flat surfaces or non-planar surface, print arbitrarily.Generally, print head 106 can be constructed to not move or have any (such as rear, front, right, left, inclination, rotation and deflection) in 6 degrees of freedom of mobile 130 one or more and magnetisable material 128 and can be constructed to not move or have any in 6 degrees of freedom one or more of movement 132, wherein at least one in print head 106 or magnetisable material 128 must move to print magnetic source pattern, and this magnetic source pattern is included in the multiple different magnetic sources position on magnetisable material 128.In addition,, in the not isostructure being illustrated in such as Fig. 1 D to Fig. 1 I at those, the movement 130 of print head 106 can be with respect to the movement of magnetisable material 128 132 toward each other.For example Fig. 1 D shows the print head on the top of mobile material, it is consistent with the magnetic conductor of Figure 1A to Fig. 1 C, wherein, print head has two degrees of freedom (up and down) and fixture has four degrees of freedom (backward, forward, to the right and left).Fig. 1 E shows the print head moving below mobile magnetisable material.Fig. 1 D and figure E can be combined, and for example, wherein movably print head is positioned at above and below magnetisable material of magnetisable material.Similarly, what print head can be at mobile magnetisable material is mobile and/or vice versa below, as shown at Fig. 1 F and Fig. 1 G, or moves to the right side and/or the left side of magnetisable material, as shown at Fig. 1 H and Fig. 1 I.Generally, the technical staff of automatic field it should be understood that the relative motion structure of all kinds can make to print magnetic source pattern on difform magnetisable material.
Although only comprise a print head 106 at the magnetic conductor 100 shown in Figure 1A to Fig. 1 C, but multiple print heads 106 can be used, wherein in certain embodiments, the each of print head 106 driven by independently magnetizing subsystem (such as voltage source, capacitor and SCR etc.).By using multiple print heads 106 of being associated with single gantry 116 or being associated with multiple gantries 116, magnetic conductor 100 can be constructed at one time or print multiple magnetic sources with the overlapping time.For example, print head can be in printing and another (some) print head in charging or moving.Given print head in multiple print heads can be constructed to always print the magnetic source of same type, for example, has the magnetic source of given polarity and magnetic field intensity.Alternatively, given print head can be constructed to print the magnetic source of identical type, the magnetic source of the stationary magnetic field intensity that the magnetic source of the constant polarity that for example magnetic field intensity can change or polarity can change, or given print head can be constructed to make polarity and magnetic field intensity all to change.It will be understood by those skilled in the art that magnetization circuit can be simplified (such as the kind for specific magnetic Source Type or magnetic source) if given magnetic source characteristic is not while needing to change.The use of multiple print heads can comprise to use and has the print head of sizes and shape, and sizes can produce different size and/or the shape of magnetic source together with shape.For example, magnetic conductor 100 can have the print head of four different sizes of the circular magnetic source for printing 1mm, 2mm, 3mm and 4mm diameter, or the print head that can print rectangle magnetic source can use together with can printing the print head (such as square or hexagon) of circular magnetic source or some other shapes.Generally, the combination of multiple print heads of all kinds and multiple magnetization subsystem can support to print the magnetic structure of extensive quantity, and especially large quantity magnetic structure each includes identical magnetic source pattern.For example, multiple print heads can be constructed to rotate in printing orientation, can before camera shutter, bring any one in some lens the spitting image of the turret lens of the rotation on early stage television camera.
In optional embodiment, magnetisable material can be accommodated in fixed position and motion control subsystem can be attached to gantry 116 thereby can make the one or more movements of print head along X-axis, Y-axis and Z axis.In addition, multiple motion control subsystem can be used on identical gantry movement to control multiple print heads and/or multiple motion control subsystem and can use to control multiple print heads together with multiple gantries (such as each of a gantry or multiple gantries).Still in another optional embodiment, one or more servomotors can be used to make fixture rotate and/or given print head is rotated relative to fixture relative to given print head, in each situation, magnetic conductor can be constructed in non-planar surface such as printing in the side at disc magnetisable material.Generally, the technical staff of servomotor and actuator art it should be understood that generally all kinds structure can for making, print head and/or magnetisable material are mobile relative to each other prints (magnetization) to be supported in to print magnetic source on flat surfaces or in non-planar surface and be supported in the direction perpendicular to surface.
Still in another embodiment, for keeping multiple fixtures of magnetisable material to be used, for example, rotatable panoramic table can be used so that a magnetic structure set in a proper fixture while being printed, another fixture of magnetic structure can remove from panoramic table, and another fixture with magnetic material to be printed can be added to panoramic table.After the given fixture of magnetic structure is printed, panoramic table will rotate to next fixture to be suitable in the position of printing, and the process of printing subsequently, remove and adding magnetisable material is repeated.It will be understood by those skilled in the art that removing and add and can being performed manually or being automatically performed of fixture, for example, pass through mechanical arm.
In order to support to manufacture at a high speed, one or more conveyer systems can be used to move magnetisable material as a magnetizing system part.The conveyer system that has the known type that much can be used, comprises conveyer belt system, roller path etc.Fig. 2 A to Fig. 2 D shows the exemplary magnetizing system based on conveyer.With reference to figure 2A, magnetizing system 200 based on conveyer comprises at least one conveyer system 202 that magnetisable material such as disc magnetisable material 128 is moved on specific direction 206, approaches so that magnetisable material such as disk 128 is brought at least one print head 106 being associated with at least one gantry 116.Directly reside on conveyer system 202 although magnetisable material 128 is illustrated, magnetisable material 128 can be placed in the one or more pallets that reside on conveyer 202 or as one or more fixtures or with one or more pallet/fixtures of conveyer system 202 one on.In certain embodiments, pallet (or fixture) uses magnet to be attached to conveyer system, and magnet can be traditional magnet or the associated magnetic structure that is designed for Accurate align.
Fig. 2 B shows at least one gantry with print head 106, this print head 106 is movably on the moving direction 206 perpendicular to conveyer system 202, wherein, under the control of X-axis servomotor 108, this print head 106 can move along gantry 116, and the direction of the movement 206 of conveyer system is corresponding to Y-direction.Similarly, given disc magnetisable material 128 has fixing X position and moves in the Y direction owing to conveyer system.Given removable print head 106 moves and strides across magnetisable material and printing magnetic source.As directed, multiple gantries 116 can be used, and each gantry has the one or more removable print head 106 being associated with X-axis servomotor.
Fig. 2 C shows three fixing gantry 116a, 116b and 116c, each correspondingly has five print head 106a, 106b, 106c, the 106d of four lines, wherein, the print head of every row is positioned at the multiple fixed positions that offset with respect to each, so that the covering across the continuous row of three rectangle magnetisable material workpiece 208 side by side (gantry 116a, 116b on conveyer 202,116c below by time) to be provided.In the time that rectangle magnetic material 208 moves through multirow print head on assigned direction 206, on every row, nearly five magnetic sources are printed.The biasing of the print head in multiple row allows multiple magnetic sources to be printed in given row in fact simultaneously, and wherein, after magnetic source is printed by the print head 106d of fourth line, all magnetic sources in given row have been printed.Similarly, Fig. 2 D shows large gantry 116, it has the print head 106 of setovering across diagonal, and wherein, in the time that square magnetisable material workpiece 210 moves down on assigned direction 206 on conveyer system 202, each print head 106 is processed the magnetic source of different lines.Like this, move through last print head 106 once magnetisable material 210, the magnetic source pattern of the magnetic source of all row and all row is printed.
Can construct by the given gantry of Multiple through then out for the given fixture that keeps one or more magnetisable material workpiece, wherein the expectation magnetic source pattern of different magnetic sources is printed on these one or more magnetisable material workpiece.In addition, by using multiple processes well known, on-fixed device or fixture formula magnetisable material can the revolutions between path by given gantry (multiple gantry) (such as upset, rotation etc.), to make given path magnetic source can be printed in a side of material and another path can be printed on magnetic source on the not homonymy (such as opposition side) of material.Deposit at a kind of cloth, magnetic source pattern be printed in a side of material and the corresponding mirror image of magnetic source pattern (, negative polarity magnetic source below positive polarity magnetic source, and vice versa) be printed on the opposition side of material, wherein each formation of contrary positive polarity magnetic source and negative polarity magnetic source is by the magnetic dipole of material.This layout can be desirably to obtain the expectation saturation (such as thick material VS thin material) of material.
Fig. 3 A shows exemplary gantry assembly 200, and wherein each print head has for downward power being applied to the associating spring on magnetisable material.With reference to figure 3A, conveyer system 202 is used to make magnetisable material in direction 206, to move through the gantry 116 in fixed position, and this gantry 116 has the mobile multiple print heads 106 of the independence of being constructed to.Particularly, each print head 106 is attached to connector 304, and wherein connector 204 is attached to spring 302, and spring 302 is attached to gantry 116.Each spring applies the power of power to keep between the print head 106 corresponding and magnetisable material 128 expecting.
Fig. 3 B shows exemplary gantry assembly 200, and wherein each print head 106 has associating magnet to 306, and it is oriented and repels each other that downward power is applied on magnetisable material 128.Like this, spring 302 roles of the magnet repelling respectively of Fig. 3 B to 306 role extraordinary image Fig. 3 A.Magnet to 306 can be traditional magnet to or can be associated magnetic structure.
For the exemplary gantry assembly 200 of Fig. 3 A and Fig. 3 B, stroke limit can be used to print head to guarantee the movement to them to 306 by spring 302 or magnet.For example, print head can be stopped moving by ad-hoc location, for example stroke can be restricted to below magnetisable material 0.005 ".
Fig. 4 A shows exemplary gantry assembly 200, and it has for downward power being applied to the spring 302 on magnetisable material.Say in essence, the difference between the gantry assembly 200 of Fig. 3 A and the gantry assembly 200 of Fig. 4 A is: in the gantry assembly 200 of Fig. 3 A, print head can move independently from one another, and in the gantry assembly 200 of Fig. 4 A, print head is fixed and moves together.
Fig. 4 B shows exemplary gantry assembly 200, it has to be oriented and repels each other downward power to be applied to associating magnet on magnetisable material 128 to 306, wherein, as the situation of the print head in the gantry assembly 200 of Fig. 4 A, print head is fixed and moves together.
Generally, what those skilled in the art should understand that is, one or more conveyer systems can with there is the fixing of one or more multiple structures or movably use together with one or more gantries of print head, the magnetic source that increases given magnetic structure can be printed on the speed on magnetisable material.As previously mentioned, the use of multiple print heads can print dissimilar magnetic source, use still less flexible fairing assembly etc.Except conveyer system, also exist multiple additive method to move such as pipe, bucket, manipulation robot etc.Generally, according to one or more embodiment, the method for operation of the well known materials of all kinds can be used so that magnetisable material moves.
As previously mentioned, pallet or fixture can be used to hold the magnetisable material on conveyer system, and this is more friendly by making material for picking and placeing machine.Pallet and/or fixture can be used magnet and be maintained on conveyor system to comprise for ease of dismounting and can be gone associated associated magnet.
In certain embodiments, magnetisable material can be sent to another conveyer system from a conveyer system.Can be used for transmitting such as any of several known methods of the magnetisable material that comprises automatic classification equipment, fetching device etc.For example, the pallet of the magnetic structure of printing can move to the position on the first conveyer system, in this position, by magnetic structure being removed from pallet with fetching device, and pallet will move to second conveyor system, it receives magnetisable material to be magnetized etc.
According to some embodiment, the shape of print head can meet and maybe can not meet difform surface.Fig. 5 A provides oblique projection view and Fig. 5 B and Fig. 5 C to provide to have smooth print surface the end view of the print head 106 of (that is to say the surface typically contacting with the surface of magnetisable material).Particularly, the print head 106 of Fig. 5 A to Fig. 5 C comprises multi-turn planar metal (such as copper) coil 502, and this coil 502 has the flange 506 for connecting magnetization subsystem distribution.Multi-turn planar metal coil 502 comprises hole 504, and in hole 504, magnetic field is produced that magnetic source is printed onto in magnetisable material, and wherein magnetisable material can have the flat surfaces 508 being parallel in fact such as the print head 106 of describing in Fig. 5 B.Alternatively, print head 106 can be introduced into contact and magnetic source can be printed onto on the magnetisable material having such as the convex surfaces 510 of describing in Fig. 5 C.Fig. 5 D shows optional print head shape, and wherein multiple planar metal layers of print head have the concave shape being consistent with the convex surfaces 510 of magnetisable material.Fig. 5 E to Fig. 5 G shows another optional print head shape, wherein multiple planar metal layers of print head have respectively convex shape, this convex shape can make print head contact with the surface of the convex shape such as at the magnetisable material shown in Fig. 5 E, also makes print head contact with the surface of the smooth and concave shape such as at the magnetisable material shown in Fig. 5 F and Fig. 5 G.Fig. 5 H shows another optional print head shape, and wherein multiple planar metal layers of print head have funnelform shape.Generally, it will be understood by those skilled in the art that according to the shape of some embodiment different printing heads and can use.
Fig. 6 A shows the exemplary print head 106 on the first outer surface corresponding to magnetized surface with insulating barrier 602 (such as polyimides).As directed, insulating barrier 602 is positioned on the bottom of print head 106 and trends towards making the bottom flat metal level of multi-turn planar metal coil 502 and magnetisable material insulation that print head can be placed thereon during printing.As directed, insulating barrier 602 has the hole corresponding to the hole of print head 504.But consider that insulating barrier does not affect there is the magnetic field that enters into magnetisable material from hole, therefore hole is not unwanted in insulating barrier.
Fig. 6 B shows the exemplary print head 106 on the first outer surface and the second outer surface with insulating barrier.More specifically, print head 106 has the first insulating barrier 602a and on the top of coil, has the second insulating barrier 602b on the bottom of coil 502.
Fig. 6 C shows exemplary print head 106, and its coil 502 is surrounded by insulating barrier 602.Fig. 6 C also shows the insulating barrier around wire 506.Generally, for security reason and/or in order to reduce friction and the wearing and tearing of head material, provide this external insulation layer.But the insulating barrier between the layer of multi-turn planar metal coil is included to make them to be used as the multi-turn of coil.
Fig. 7 A shows the print head 106 of the print head that is similar to Fig. 5 B; print head 106 has smooth magnetic masking layer 702 (such as iron layer or steel layer) in its lower section, and the position that this magnetic masking layer is intended to the magnetic field occurring except the hole 504 from print head 106 protects magnetisable material to avoid the impact in magnetic field.As directed, magnetic masking layer 702 is from a stretch out segment distance and have the hole 704 corresponding to the hole 504 of print head 106 of the girth of the coil 502 of print head 106, wherein, compared with the hole 504 of print head, the hole 704 of magnetic masking layer can be larger, less on diameter on diameter, or on diameter, have in fact identical size.Deposit at a kind of cloth, magnetic masking layer 702 is circular metal workpiece, and it has less times greater than the diameter of the diameter of coil 502.Deposit at the optional cloth of one, magnetic masking layer 702 has the diameter identical in fact with the diameter of coil 502.Remain at the optional cloth of one and deposit, magnetic masking layer 702 has the diameter of the diameter that is less than coil 502.
Fig. 7 B shows the print head 106 with the print head that is similar to Fig. 5 H,, print head 106 has from its hole to its external boundary the magnetic masking layer 702 increasing at thickness.Generally, the object of magnetic masking layer is: the position on the magnetisable material except the expectation magnetic source position in the region for adjacent with the hole of coil prevents the magnetization being brought by coil 502.Especially, can expect: prevent from being in fact present in the magnetization of the magnetisable material magnetic field at coil external circle week place causing, this magnetic field is compared and had contrary polarity with the expectation polarity in magnetic field at hole place that is present in coil.With respect to the surface of given magnetisable material, shown in Fig. 5 C, 5E, 5F and 5H such as those, given coil design can be provided for increasing the space away from the shielding thickness in hole, thereby has increased and improved the Magnetic Shielding Effectiveness of expecting.
Fig. 7 C shows the print head 106 of the print head that is similar to Fig. 5 B, and print head 106 has in its lower section smooth magnetic masking layer 702a and on its top, has smooth magnetic masking layer 702b.The object of additional secondary shielding layer 702b is the efficiency that the magnetic field loss on the top side by preventing from coming from print head is improved print head.
Fig. 7 D shows the print head 106 of the print head that is similar to Fig. 7 C, and print head 106 has ferromagnetic core 708 in the inside of its hole (or hole).Ferromagnetic core 708 is for the further bottom of improving the efficiency of print head 106 and can extend to from the top in the hole of coil the hole of coil.As shown at Fig. 7 D, core 708 contacts with the magnetic masking layer 702b at top and contacts with the magnetic masking layer 702a of bottom hardly.
Generally, as those magnetic masking layers of 7A to Fig. 7 D, magnetic masking layer needs slit, and this slit extends to them circumference from the center (such as from center hole) of magnetic masking layer flows around them to prevent the electric current circuit, thereby has created magnetic field.Fig. 7 E shows the oblique projection view of magnetic masking layer 702, and this magnetic masking layer 702 has slit from its center hole to its girth.
Fig. 7 F shows exemplary print head 106, and wherein, coil 502 is surrounded by magnetic masking layer 702, and coil 502 has the ferromagnetic core 708 in the inside of the hole 504 of print head.As directed, core 708 extend through downwards from the top of magnetic masking layer 702 print head coil 502 three layers, top and do not enter the part of the hole 504 corresponding with the bottom of the coil 502 of print head.Generally, the core 708 of multiple amount can be used, and comprises in the bottom that makes core extend to magnetic masking layer 702.
Fig. 7 G shows the oblique projection view of the print head 106 of Fig. 7 F, and Fig. 7 F shows the slit 706 that extends to the girth of magnetic masking layer 702 from hole 704.
Fig. 8 A shows the print head 106 of the print head that is similar to Fig. 6 A, and this print head 106 has smooth magnetic masking layer 702 in its lower section.With reference to figure 8A, insulating barrier 602 is positioned at below multi-turn planar metal coil 502 and magnetic masking layer 702 is positioned at below insulating barrier 602.Insulating barrier 602 and magnetic masking layer all show has the hole corresponding with the hole 504 of print head 106.As previously mentioned, the hole in insulating barrier 602 is optional.
Fig. 8 B shows the print head 106 of the print head that is similar to Fig. 6 B, and this print head 106 has smooth magnetic masking layer 702b at its top.With reference to figure 8B, insulating barrier 602b is positioned on the top of multi-turn planar metal coil 502 and magnetic masking layer 702b is positioned on the top of insulating barrier 602b.
Fig. 8 C shows exemplary print head 106, and its coil 502 is surrounded by insulating barrier 602, and insulating barrier 602 is surrounded by magnetic masking layer 702.
Fig. 8 D shows the print head 106 of the print head that is similar to Fig. 8 C, and this print head 106 has ferromagnetic core 704 in the inside of its hole 504.
Fig. 9 A and Fig. 9 B show the print head 106 of the exemplary print head that is similar to 5A to Fig. 5 C, and it has can be used to the exemplary fin 902 that prevents that print head 106 is overheated during printing.As directed, can be that the fin 902 of copper, silver or some other Heat Conduction Materials can have the slit 904 that extends to the hole 504 of print head from its periphery, thereby prevent because the electric current that its flow around changing causes passes through print head.Fin those skilled in the art it should be understood that any one of various ways of fin (or heat exchanger) method can be used that heat is removed to comprise that from print head air is cooling, fluid is cooling, fin is arranged etc.
Fig. 9 C shows the print head 106 of the exemplary print head that is similar to Fig. 9 A to Fig. 9 E, its coil 502 and fin 902 are surrounded by insulating barrier 602, insulating barrier 602 is surrounded by magnetic masking layer 702, and wherein insulating barrier 602 and magnetic masking layer 702 have the hole corresponding with the hole 504 of print head.Ferromagnetic core 704 is shown as the top of filling coil hole 504.
Figure 10 A and Figure 10 B show according to the print head of some embodiment can be mounted exemplary mechanical arm 1000 thereon.Alternatively, magnetisable material can be installed on mechanical arm 1000 but not be arranged on print head.
According to an embodiment, one or more magnetization subsystems (that is to say the wire of the single magnetic conductor print head of magnetising assembly and demand motive) can be constructed to rack mount magnetized module, and wherein one or more rack mount magnetized module can be placed on equipment rack.Each rack mount magnetized module has power line and network connectivity and driving magnetization print head.Each rack mount magnetized module has its IP address.Figure 11 A and Figure 11 B show exemplary rack fixture magnetized module 1100 and rack mount system 1104, and wherein electric component is positioned at the inside of housing 1102, and housing 1102 is designed to can be fixed in rack mount system 1104.7 rack mount magnetized module 1100a to 1100g are shown as in the rack mount system 1104 that is arranged on Figure 11 B.
According to another embodiment, in the time that magnetic structure is printed, magnetic field measuring device and magnetic conductor are integrally formed can make field scan be produced.Magnetic field measuring device can comprise one or more Hall effect transducers or magnetic reactance transducer or other Magnetic Sensor, such as Hall effect transducer array.Deposit at a kind of cloth, for quality control order ground and/or use the part of management technique as magnetic conductor, the field scan and the template field scan (that is to say the field scan of expectation) that are printed magnet compare.Figure 12 shows the magnetizing system 200 based on conveyer, and it has integrally formed magnetic field measuring device 1200.
According to manufacturing an aspect of magnetic structure, a side of magnetic structure provide adequate thickness ferromagnetic material coating so that magnetic flux on the opposite side of this structure, concentrated.For the thickness of the required ferromagnetic material of coating depend on type (such as nickel, steel etc.), the magnetisable material of electroplated ferromagnetic material thickness, be printed onto the performance of the magnetic source on magnetisable material, but ferromagnetic material coating can be provided generally, it makes flux concentration on the opposite side of this structure.The coat of metal is as being the flow distribution plate (shunt plate) of describing in 22 days December in 2010 in U.S. Provisional Patent Application 61/459,994, submission day, and the content of the document is incorporated in the application by introducing.
According to another embodiment, magnetic conductor uses management system and method can be used to manage the pattern for printing magnetic source that makes of magnetic conductor.As shown in Figure 13, can manage the each magnetic conductor in each position by management system by this locality, wherein this this locality is used management system the magnetic source printing information of mandate to be provided and to collect magnetic source printing report information from magnetic conductor to magnetic conductor.The magnetic source printing information of authorizing can comprise the magnetic source pattern of mandate, for printing to the license of the magnetic structure of the magnetic source pattern with mandate of determined number, magnetic structure identifying information etc.Generally, each machine can be designed as in response to the authorization command for controlling its typography.Magnetic structure identifying information can comprise reformed unique watermark at any time (that is to say, detectable magnetic pattern, this magnetic pattern produces magnetization configuration for the magnetic conductor of differentiating mandate), sequence number etc.The magnetic source printing report information receiving from magnetic conductor can comprise quality control information (such as field scan), performance metric, health monitoring information etc., uses, determines the compliance etc. with maintenance requirement can be used to use, the report unauthorized of magnetic conductor of verification mandate.
Each local management system that uses can be used management system to dock with multiposition then, this multiposition uses management system to dock etc. with next higher level management system, to make the using hierarchical organization of management system and subsystem can be constructed in the use of managing a large amount of magnetic conductors on internet.
Multiple computer security method can be used as a part that uses management system, be included in the data encryption using between management system and magnetic conductor control system, data encryption between the use management system of different brackets, and data encryption between magnetic conductor control system and magnetic conductor motion controller.
But specific embodiment of the present disclosure has been described, it should be understood, however, that the disclosure is not defined in this, because those skilled in the art can modify, especially according to aforesaid instruction.

Claims (20)

1. for generation of a system for magnetic structure, comprising:
The first magnetization circuit, it has for the first magnetic source being magnetically printed onto to the first induction coil on magnetisable material; And
The second magnetization circuit, it has for the second magnetic source being magnetically printed onto to the second induction coil on described magnetisable material.
2. system according to claim 1, wherein, described the first magnetic source has the first polarity and described the second magnetic source has and described first opposite polarity the second polarity.
3. system according to claim 1, wherein, described the first magnetic source has the first polarity and described the second magnetic source has described the first polarity.
4. system according to claim 1, also comprises:
The mechanism being associated with described the first induction coil, for providing power to described magnetisable material.
5. system according to claim 1, also comprises:
The first gantry, for supporting described the first induction coil.
6. system according to claim 5, also comprises:
Servomotor, for making described the first induction coil move along described the first gantry.
7. system according to claim 5, wherein, described the first gantry also supports described the second induction coil.
8. system according to claim 5, also comprises:
The second gantry, for supporting described the second induction coil.
9. system according to claim 1, also comprises:
Magnetic masking layer.
10. system according to claim 1, also comprises:
Fin.
11. systems according to claim 1, also comprise:
Rack mount system.
12. systems according to claim 11, wherein, described the first magnetic circuits is constructed to the first rack mount magnetized module.
13. systems according to claim 12, wherein, described the second magnetic circuits is constructed to the second rack mount magnetized module.
14. systems according to claim 1, also comprise:
Magnetic field measuring device.
15. systems according to claim 1, wherein, described the first induction coil is printed onto multiple magnetic source on described magnetisable material.
16. systems according to claim 1, also comprise:
Conveyer system.
17. systems according to claim 1, also comprise:
Control system, it is for controlling the described printing of the movement with respect to described magnetisable material of being undertaken by described the first induction coil.
18. systems according to claim 1, also comprise:
Metal plating device, it is for electroplating the first side of described magnetisable material so that magnetic flux is concentrated in the second side of the described magnetisable material contrary with described the first side.
19. systems according to claim 1, wherein, described the first induction coil the first row printing and described the second induction coil with the second row printing of described the first row biasing.
20. systems according to claim 1, wherein, the each of described the first coil and described the second coil has hole, and the size in the hole of described the first induction coil is different from the size in the hole of described the second induction coil.
CN201280057471.5A 2011-10-25 2012-10-25 A system and method for producing magnetic structures Pending CN103975396A (en)

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US201161717444P 2011-10-25 2011-10-25
US61/717,444 2011-10-25
US13/659,444 2012-10-24
US13/659,444 US20140111296A1 (en) 2012-10-24 2012-10-24 System and method for producing magnetic structures
PCT/US2012/061938 WO2013063273A1 (en) 2011-10-25 2012-10-25 A system and method for producing magnetic structures

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