CN207224740U - A kind of FCCL materials of soft magnetic materials base material - Google Patents
A kind of FCCL materials of soft magnetic materials base material Download PDFInfo
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- CN207224740U CN207224740U CN201720045743.XU CN201720045743U CN207224740U CN 207224740 U CN207224740 U CN 207224740U CN 201720045743 U CN201720045743 U CN 201720045743U CN 207224740 U CN207224740 U CN 207224740U
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- Soft Magnetic Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model provides a kind of FCCL materials of soft magnetic materials base material, and the FCCL materials are in layer structure, including：The superposition alternate with least one layer of insulating layer of at least one layer of conductive layer, adhesive bonds are used between the conductive layer and insulating layer, an at least layer insulating contains soft magnetic materials in the insulating layer, and the soft magnetic materials is amorphous, nanocrystalline, amorphous and the composite material for inhaling ripple material, nanocrystalline one kind with the composite material of suction ripple material.Pre- punching or hole interior insulation mode is taken to solve amorphous and nanocrystalline Insulation Problems in the manufacture method.The utility model utilizes amorphous or nanocrystalline this kind of soft magnetic materials, and the electromagnetism frequency for having reached good covers effect, and the electromagnetism frequency that wideband is even more realized using amorphous or the nanocrystalline composite material with inhaling ripple material is covered.The utility model inhales the module of ripple material using the wiring board of FCCL material manufactures compared to traditional FPC and follow-up fitting, have the advantages that integrality is good, thickness is thin, using frequency point is wide, production efficiency is high, cost advantage.
Description
Technical field
Soft magnetic material and FCCL (flexibility coat copper plate) field of FPCB are the utility model is related to, more particularly to one kind
The FCCL materials of soft magnetic materials base material.
Background technology
In financial field, pay extremely important.Robert-Morton just arranges payment when summarizing the six functions of finance
First (payment, pooling funds, transregional and across time transferring resource, control risk, provide pricing information, solve information
It is asymmetric).Moreover, pay or this financial six functions in and financial technology (Fintech) combination it is most naturally most tight
Close.Briefly, an exactly people is paid in order to obtain article or service etc., and a valuable article is given to other
People.The payment system of modern society then by currency (currency and coin), check, credit card, credit card, bank's transfer payment and
Invoice in trade etc. forms.Wherein, credit card, credit card and bank's transfer payment belong to e-payment means.From technology
Angle sees that e-payment then includes magnetic stripe card, smart card, non-contact card and mobile payment (Mobile payment), pays true
Just entering the cash-free epoch.With the development of science and technology, cash-free mobile payment is means of payment development and the certainty developed
Path.Support MST, NFC payment technology of mobile payment to be significantly applied therewith, limited by space in machine between component
Interference, the consideration covered of electromagnetism frequency is more about taken seriously, especially the portable electronic devices such as mobile phone, PAD and notebook, wherein
Amorphous nano-crystalline and suction ripple material are exactly good selection.
Wireless charging is constantly ripe to technology today from starting, leading always in mobile communication intelligent terminal field,
Because starting point is also relatively more early, including many international top-brands all have begun to the wireless charging research of their high-end types.Believe nothing
Micro USB electricity will become an essential work(of IOT (Internet of Things), mobile communication portable terminal in the development in the future as internet
Energy.For wireless charging, for technical standpoint, revolutionary influence is generated in energy demand and acquisition modes really.No
Human relations once receive the general of consciousness from science and technology, commercial cost angle, wireless charging in the technology that completes and business and marketing users
On and, it is bound to welcome very fine spring.Prediction apple next-generation iPhone 88 will abandon metal fuselage and set
Meter, then the double-sided glass+metal center design in similar 4 periods of iPhone is used, this measure should be exactly to increase wireless charging
Electricity Functional.Wireless charging is good future, but also to solve application, from material, environment, temperature, efficiency of transmission, consumption
Energy etc. is required for remaking improved.In view of this, the amorphous nano-crystalline machine of soft magnetic materials is with inhaling the compound of ripple material just
It can be applied to wireless charging field very well
With the development of smart mobile phone, it is also more come about more using function, and the convenience used requires higher and higher.In view of
The limitation in space so that the compound of MST, NFC and WPC becomes one of trend, but the application frequency point of a few persons differs again, in the past
It is that each frequency point is individually shielded mostly, it is difficult to accomplish that a module solves at the same time.In view of this, it is soft to provide utility model one kind for we
The FCCL materials of magnetic material substrate, the wiring board produced using the base material can solve the electromagnetism of MST, NFC and WPC at the same time
Shielding problem.
Utility model content
In view of the foregoing deficiencies of prior art, the purpose of this utility model is to provide a kind of soft magnetic materials base material
FCCL materials, the FCCL materials applications have good effectiveness when FPCB wiring boards.
In order to achieve the above objects and other related objects, the utility model provides a kind of FCCL materials of soft magnetic materials base material
Material, the FCCL materials are in layer structure, the FCCL materials of soft magnetic materials base material, it is characterised in that the FCCL materials are in layer
Shape structure, including：The superposition alternate with least one layer of insulating layer of at least one layer of conductive layer, uses between the conductive layer and insulating layer
Adhesive bonds, an at least layer insulating contains soft magnetic materials in the insulating layer, and the soft magnetic materials is amorphous, nanometer
Brilliant, amorphous and the composite material for inhaling ripple material, nanocrystalline one kind with the composite material of suction ripple material.
Preferably, the FCCL materials include a layer insulating and one layer of conductive layer, and centre is described by adhesive bonds
Insulating layer contains soft magnetic materials, the soft magnetic materials is amorphous, nanocrystalline, amorphous with inhale ripple material composite material, it is nanocrystalline with
One kind in the composite material of ripple material is inhaled, the structure is as the basal layer of MULTILAYER COMPOSITE FCCL materials or directly as single side base
Material uses.
Preferably, the FCCL materials include successively being superimposed shape by conductive layer, adhesive, insulating layer, adhesive, conductive layer
Into layer structure, the insulating layer contains soft magnetic materials, and the soft magnetic materials is amorphous, nanocrystalline, amorphous is with inhaling ripple material
One kind in composite material, the nanocrystalline composite material with inhaling ripple material, the structure is as two-sided compound FCCL materials'uses.
Preferably, the insulating layer containing soft magnetic materials is soft magnetic materials base insulating layer or the insulation containing soft magnetic materials
Composite bed.
Preferably, magnetic permeability μ r ' of the amorphous under 1MHz working frequency points is 100-1000, and Curie temperature Tc is more than
200 DEG C, coercivity H b is to be more than 1.2T less than 15A/m, magnetic saturation intensity Bs；
The nanocrystalline magnetic permeability μ r ' under 1MHz working frequency points is 100-1200, and Curie temperature Tc is more than 200 DEG C,
Coercivity H b is to be more than 1.0T less than 10A/m, magnetic saturation intensity Bs；
Magnetic permeability μ r ' of the composite material of the amorphous and suction ripple material under 1MHz working frequency points is 80-800, Ju Liwen
Spend Tc and be more than 200 DEG C, coercivity H b is to be more than 0.8T less than 20A/m, magnetic saturation intensity Bs；
Magnetic permeability μ r ' of the composite material under 1MHz working frequency points that be described nanocrystalline and inhaling ripple material is 80-800, Curie
Temperature Tc is more than 200 DEG C, and coercivity H b is to be more than 0.8T less than 15A/m, magnetic saturation intensity Bs.
Preferably, the amorphous is made of one or more elements in Fe, Si, B, C, Ni, Co, Cr, P, Ni, M, M generations
Table one or more transition elements；Nanocrystalline one or more elements by Fe, Si, B, Cu, M form, and M represents one kind
Or several transition elements；It is described suction ripple material be made of one or more elements in Fe, Si, Al, C, N, O, M, M represents one kind or
Several transition elements.
Preferably, the conductive layer is aluminium foil, copper foil or copper-beryllium alloy paper tinsel.
Preferably, in the FCCL materials, in addition to the insulating layer containing soft magnetic materials, other insulating layer materials for PET,
PI, FR4, ester imide membrane, fluorine carbon vinyl film, sub- nylon paper or polybutylene terephthalate film.
Preferably, the adhesive is one or more combinations in hot melt adhesive, hot-setting adhesive or prepreg, including：
Polyester-class adhesive, acrylic tackifier, epoxy or modified epoxy class adhesive, polyimide adhesive or phenolic aldehyde-contracting
Butylaldehyde group adhesive.
Preferably, the gross thickness of the FCCL materials be 53-500 μm, wherein, the thickness of the adhesive at 5-50 μm,
The general thickness of the soft magnetic materials is 40-320 μm, and the thickness of conductive layer is 8-105 μm.
The utility model also provides a kind of manufacture method of the FCCL materials of soft magnetic materials base material, the manufacture method bag
Include：
By the superposition alternate with least one layer of insulating layer of at least one layer of conductive layer, each interlayer uses adhesive bonds, Ran Houtong
The method processing and manufacturing for crossing lamination obtains FCCL materials, wherein, at least a layer insulating contains soft magnetism material in the insulating layer
Material, the soft magnetic materials is amorphous, composite material, nanocrystalline composite material with inhale ripple material of the nanocrystalline, amorphous with suction ripple material
In one kind.
Preferably, insulating layer, adhesive, conductive layer are successively sequentially superimposed successively, are fabricated by the method for lamination
The basal layer or single side base material of MULTILAYER COMPOSITE FCCL materials are obtained, the insulating layer contains soft magnetic materials, the soft magnetic materials
For amorphous, nanocrystalline, amorphous and the composite material for inhaling ripple material, nanocrystalline one kind with the composite material of suction ripple material.
Preferably, conductive layer, adhesive, insulating layer, adhesive, conductive layer are successively sequentially superimposed successively, pass through lamination
Method processing and manufacturing obtain two-sided compound FCCL materials, the insulating layer contains soft magnetic materials, the soft magnetic materials is amorphous,
Nanocrystalline, amorphous and the composite material for inhaling ripple material, nanocrystalline one kind with the composite material of suction ripple material.
Preferably, the composite material of the amorphous and suction ripple material, composite material that is nanocrystalline and inhaling ripple material are by direct
The method of fitting or coating is made, and the method for directly fitting is that amorphous or nanocrystalline and suction ripple material are bonded in one by binding agent
Rise；The method of coating is that the slurry for inhaling ripple material is applied directly on amorphous or nanocrystalline band, is pressed after dry.
Preferably, before the pressing by the way of pre- punching insulation or pressing metapore interior insulation, in the soft magnetic materials
Amorphous or nanocrystalline insulate.
Preferably, the soft magnetic materials Dan Mei is directly used in lamination, or is used further to be laminated after more pieces of splicings, and when splicing adopts
Directly it is bonded with adhesive, gap is less than 0.1mm between spliced soft magnetic materials.
As described above, a kind of FCCL materials of soft magnetic materials base material of the utility model, have the advantages that：
1st, the FCCL materials of the utility model are the use function of possessing flexibility coat copper plate, also have electromagnetism frequency to cover function.
2nd, the FCCL electro-magnetic screen functions of the utility model have the characteristic of wideband, for example can be serviced at the same time in mobile phone
In MST, NFC and WPC.
3rd, soft magnetic materials is pressed into inside FCCL by the utility model, can reduce the complete machine thickness of electronic product.
4th, the magnetic material of the utility model inside FCCL, without burden feel by its appearance, improves the aesthetic feeling of product.
5th, compared to traditional fitting, simplify process, improve efficiency, reduce cost.
Brief description of the drawings
Fig. 1 is the multilayer copper-clad layer structure schematic diagram of the FCCL materials of the soft magnetic materials base material of the utility model.
Fig. 2 is that the single side of the FCCL materials of the soft magnetic materials base material of the utility model covers steel structure schematic diagram.
Fig. 3 is the double-sided copper-clad structure diagram of the FCCL materials of the soft magnetic materials base material of the utility model.
Component label instructions
101 insulating layers
201 adhesive
301 conductive layers
Embodiment
Illustrate the embodiment of the utility model below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With carrying out various modifications or alterations under the spirit without departing from the utility model.
Refer to attached drawing.It should be noted that the diagram provided in the present embodiment only illustrates this practicality in a schematic way
New basic conception, then only the display component related with the utility model rather than component during according to actual implementation in schema
Number, shape and size are drawn, and kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and
Its assembly layout kenel may also be increasingly complex.
As shown in Figure 1, the utility model provides a kind of FCCL materials of soft magnetic materials base material, the FCCL materials are in stratiform
Structure, including：The 101 alternate superposition of at least one layer of conductive layer 301 and at least one layer of insulating layer, the conductive layer 301 and insulating layer
Bonded between 101 using adhesive 201, an at least layer insulating contains soft magnetic materials, the soft magnetism in the insulating layer 101
Material is amorphous, nanocrystalline, amorphous and the composite material for inhaling ripple material, nanocrystalline one kind with the composite material of suction ripple material.
That is, described FCCL materials include conductive layer 301, adhesive 201, insulating layer 101, adhesive 201, conductive layer 301, adhesive
201 ... are arranged in order.If not particularly pointing out, this patent soft magnetic materials as described below just refers to amorphous or nanocrystalline or amorphous
With the composite material for inhaling ripple material or the nanocrystalline composite material with inhaling ripple material.
As an example, the insulating layer containing soft magnetic materials is for soft magnetic materials base insulating layer or containing the exhausted of soft magnetic materials
Edge composite bed.Wherein, the soft magnetic materials base insulating layer refers to directly using soft magnetic materials directly as insulating layer, and
The insulation composite containing soft magnetic materials refers to soft magnetic materials being bonded latter act as by adhesive with other insulating layers
Used for insulating layer.
As an example, as shown in Fig. 2, the FCCL materials include a layer insulating 101 and one layer of conductive layer 301, it is middle
Bonded by adhesive 201, the insulating layer 101 contains soft magnetic materials, the soft magnetic materials is amorphous, nanocrystalline, amorphous with
The composite material of ripple material, nanocrystalline one kind with the composite material of suction ripple material are inhaled, the structure is as MULTILAYER COMPOSITE FCCL materials
Basal layer or directly as single side base material (single-side coated copper plate) use.Wherein, the basis as MULTILAYER COMPOSITE FCCL materials
Layer refers to that in MULTILAYER COMPOSITE FCCL materials including at least a basal layer, and remaining structure is conductive layer and insulation
Layer is alternate, and interlayer is combined using adhesive.
As an example, as shown in figure 3, the FCCL materials are included by conductive layer 301, adhesive 201, insulating layer 101, glue
Stick 201, conductive layer 301 are successively superimposed the layer structure of formation, and the insulating layer 101 contains soft magnetic materials, the soft magnetism material
Expect for amorphous, nanocrystalline, amorphous and inhale one kind in the composite material of ripple material, the nanocrystalline composite material with inhaling ripple material, the knot
Structure is as two-sided compound FCCL materials'uses.
As an example, if soft magnetic materials uses amorphous, its magnetic permeability μ r ' under 1MHz working frequency points is 100-1000
(relative permeability), Curie temperature Tc are more than 200 DEG C, and coercivity H b is to be more than 1.2T less than 15A/m, magnetic saturation intensity Bs；Its
In, the amorphous is made of one or more elements in Fe, Si, B, C, Ni, Co, Cr, P, Ni, M, and M represents one or more
Transition elements；
If soft magnetic materials, using nanocrystalline, its magnetic permeability μ r ' under 1MHz working frequency points is 100-1200 (relative magnetic permeabilities
Rate), Curie temperature Tc is more than 200 DEG C, and coercivity H b is to be more than 1.0T less than 10A/m, magnetic saturation intensity Bs；Wherein, it is described to receive
Meter Jing is made of one or more elements in Fe, Si, B, Cu, M, and M represents one or more of transition elements
If soft magnetic materials is using amorphous and the composite material of suction ripple material, its magnetic permeability μ r ' under 1MHz working frequency points
80-800 (relative permeability), Curie temperature Tc are more than 200 DEG C, and coercivity H b is to be more than less than 20A/m, magnetic saturation intensity Bs
0.8T；
If soft magnetic materials is using described nanocrystalline and suction ripple material composite material, its magnetic conductivity under 1MHz working frequency points
μ r ' are 80-800 (relative permeability), and Curie temperature Tc is more than 200 DEG C, and coercivity H b is less than 15A/m, magnetic saturation intensity Bs
More than 0.8T.The suction ripple material is made of one or more elements in Fe, Si, Al, C, N, O, M, and M represents one or more of mistakes
Cross element.
The interlayer of the FCCL materials of above-mentioned soft magnetic materials base material for conductive layer 101, adhesive layer 201, insulating layer 301 successively
Arrangement, can be with multiple stacking, wherein comprising infrastructure layer, infrastructure layer is the insulating layer containing soft magnetic materials, adhesive layer
And conductive layer.The combination between layers of layer structure described in the utility model include chemical bond, physical mechanical combine and
Solid solution combination etc..
As an example, the conductive layer is the metallic conductor of FPCB wiring boards, can be aluminium foil, copper foil or copper-beryllium
Alloy Foil etc..
As an example, in the FCCL materials, in addition to the insulating layer containing soft magnetic materials, other insulating layer materials are
PET, PI, FR4, ester imide membrane, fluorine carbon vinyl film, sub- nylon paper or polybutylene terephthalate film etc..
As an example, adhesive described in the utility model is one kind or one kind in hot melt adhesive, hot-setting adhesive and prepreg
Combination above, including：Polyester-class adhesive, acrylic tackifier, epoxy or modified epoxy class adhesive, polyimide
Adhesive, phenolic aldehyde-butyral class adhesive.
Soft magnetic materials described in the utility model can Dan Mei be directly used in pressing；Also with being used further to be laminated after sliceable, spell
Directly it is bonded using adhesive when connecing, gap is not greater than 0.1mm between spliced soft magnetic materials.
As an example, the gross thickness of the compound FCCL materials described in the utility model is 53-500 μm, the binding agent is thick
5-50 μm of degree, amorphous, the soft magnetic materials thickness of composite material that is nanocrystalline and its inhaling ripple material are 40-300 μm, conductive layer 8-
105 μm, other insulating layers such as 5-50 μm of PI equal thickness.
The utility model also provides a kind of manufacture method of the FCCL materials of soft magnetic materials base material, the manufacture method bag
Include：By the 101 alternate superposition of at least one layer of conductive layer 301 and at least one layer of insulating layer, each interlayer is bonded using adhesive 201, so
FCCL materials are obtained by the method processing and manufacturing of lamination afterwards, wherein, an at least layer insulating contains in the insulating layer 101
Soft magnetic materials.Wherein, the soft magnetic materials is amorphous, nanocrystalline, amorphous and the composite material for inhaling ripple material, nanocrystalline and suction ripple material
Composite material in one kind.
In the manufacture method of the utility model, using laminate technique, the lamination can be that rolling lamination may also be
Sheet is laminated, and press can be that common press may also be vacuum press or rolling press.Lamination used in the utility model
Technique is usually suppressed using sheet.
In the utility model, the amorphous and the composite material of ripple material is inhaled and composite material that is nanocrystalline and inhaling ripple material can be with
It is made by the method for directly fitting and coating.Directly fit method and amorphous or nanocrystalline and suction ripple material are exactly passed through into binding agent
Bond together；The method of coating is exactly that the slurry for inhaling ripple material is applied directly to above amorphous or nanocrystalline band,
Pressing forms after re-dry.
It should be noted that in view of soft magnetic material amorphous and nanocrystalline resistance is smaller is unable to reach insulating requirements,
The utility model takes pre- punching or hole interior insulation mode to solve amorphous and nanocrystalline Insulation Problems.
For pre- punching insulation, it is a kind of preposition insulation mode.It can be taken for the figure of known line panel products
The mode being punched in advance, pre- punching is exactly that soft magnetic material is cut to the shape of needs in FCCL pressing preshoots, then again and related
Material presses together, and thus avoiding needs the hole position of conducting up and down to play the role of insulation.Specifically：First by soft magnetism
Material die goes out required figure, then again by insulating layer, binding agent, conductive layer, binding agent, insulating layer, binding agent, conductive layer ...
Successively sequentially it is superimposed, wherein at least has and magnetic material is included in one layer of insulating layer, then formed by the method for lamination
Single side, double-deck or even multilayer FCCL.
The present embodiment comprises the following steps that
1) material and board preparation stage：
1.1st, material includes main material：Magnetic material and other insulating layers such as PI etc., binding agent glue, metal foil；Auxiliary material：Silica gel
Piece, brown paper, steel plate etc..
1.2nd, main board prepares：Location hole machine, punching machine, press.
2) cleaning material：Clean soft magnetic materials and other insulating layers and metallic conduction layers of foil material surface.
3) location hole is rushed：Soft magnetic materials and binding agent glue-line, metal foil and other insulating materials are rushed using location hole machine
Location hole.
4) figure is rushed：Compound after being positioned according to location hole to soft magnetic materials amorphous nano-crystalline or both it with suction ripple material
Figure is punched, so as to avoid conducting room up and down.
5) it is superimposed, according to made location hole, by conductive layer, binding agent glue-line, insulating layer, binding agent glue-line, insulation
Layer, binding agent glue-line, conductive layer ... are successively sequentially superimposed.
6) feeding preheating and compacting, are put into press by regulation by the composite material being superimposed, then carry out the pre-heat treatment,
The pre-heat treatment in strict accordance with binding agent glue-line operating specification；Layer material after heat treatment is entered into compaction procedure, according to pressure
The condition regular hours such as machine specification heat-insulation pressure keeping can obtain FCCL materials described in the utility model.
7) blanking and detect, material suppresses rear blanking and detects.
8) use during the FCCL and have graph position known to location hole positioning according to it.
For hole interior insulation, it is a kind of postposition insulation mode.For whole face all to be pressed to upper amorphous or nanocrystalline
Or both it and inhale ripple material compound FCCL, aperture will expand in right amount during drilling, after take the gold such as electrostatic spraying or electrophoresis
Belonging to insulation technology makes to coat one layer of insulation film on the amorphous nano-crystalline in hole, so as to reach the method for hole interior insulation.Specifically：
By insulating layer, binding agent, conductive layer, binding agent, insulating layer, binding agent, conductive layer ..., successively whole face is sequentially superimposed, wherein at least
Have and magnetic material is included in one layer of insulating layer, the single side then formed by the method for lamination, it is double-deck or even more
The FCCL of layer, the amorphous nano-crystalline to drill in aperture after during use take one layer insulating of electrostatic spraying or electrophoretic coating.
The present embodiment comprises the following steps that：
1) material and board preparation stage：Material includes magnetic material and other insulating layers such as PI etc., binding agent glue, metal
Paper tinsel, silica gel piece, brown paper, steel plate etc.；Press prepares.
2) cleaning material：Clean soft magnetic materials and other insulating layers and metallic conduction layers of foil material surface.
3) it is superimposed, according to made location hole, by conductive layer, binding agent glue-line, insulating layer, binding agent glue-line, insulation
Layer, binding agent glue-line, conductive layer ... are successively sequentially superimposed；
4) feeding preheating and compacting, are put into press by regulation by the composite material being superimposed, then carry out the pre-heat treatment,
The pre-heat treatment in strict accordance with binding agent glue-line operating specification；Layer material after heat treatment is entered into compaction procedure, according to pressure
The condition regular hours such as machine specification heat-insulation pressure keeping can obtain FCCL materials described in the utility model.
5) blanking and detect, material suppresses rear blanking and detects.
6) when using the FCCL, turn on and drill if necessary to levels, aperture expands in right amount during drilling, is needed after drilling pair
Amorphous nano-crystalline in hole insulate, and insulation mode can be that one is coated on amorphous nano-crystalline by electrostatic spraying or electrophoresis
Layer insulating, remaining takes the follow-up manufacture of conventional FPC.
The FCCL materials of this soft magnetic materials base material obtained by the utility model method, have the advantages that：
1st, the FCCL materials of the utility model are the use function of possessing flexible copper-clad plate, also have electromagnetism frequency to cover function.
2nd, the FCCL electro-magnetic screen functions of the utility model have the characteristic of wideband, for example can be serviced at the same time in mobile phone
In MST, NFC and WPC.
3) soft magnetic materials is pressed into inside FCCL by the utility model, can reduce the complete machine thickness of electronic product.
4) magnetic material of the utility model inside FCCL, without burden feel by its appearance, improves the aesthetic feeling of product.
5) traditional fitting is compared, simplifies process, efficiency is improved, reduces cost.
Embodiment 1
The FCCL of double face copper is most common in FPCB, is prepared according to manufacture method described in the utility model a kind of pre-
The FCCL materials of the amorphous of punching and the double-sided copper-clad of suction ripple material composite material base, its manufacture method are as follows.
Width 150mm 25 μm of annealed amorphous with magnetic of thickness are selected, magnetic conductance (μ i) is 500 (1MHz), Curie temperature
460℃；Select can 25 μm of coating thickness suction ripple material powder and filler, the magnetic conductance (μ i) after coating molding is 200 (@
1MHz), 260 DEG C of Curie temperature；1/4Oz (i.e. 8um) electrolytic copper foil is selected, two layers of copper foil is identical；Select width 300mm thickness
5um and 10um epoxies hot-setting adhesives；Select the PI films of width 300mm thickness 5um.
1) material and board preparation stage：
1.1, material includes above-mentioned main material：25 μm of annealed amorphous with magnetic of width 150mm thickness, can coating thickness 25
μm suction ripple material slurry, 1/4Oz (i.e. 8um) electrolytic copper foil, 5 μm and 10 μm epoxies hot-setting adhesives of thickness, the PI films of 5 μm of thickness
And；I.e. related auxiliary material：Silica gel piece, brown paper, steel plate etc..
1.2, main board prepares：Mixer, coating machine, rolling pressing machine, location hole machine, punching machine, chip press.
2) cleaning material：Clean above-mentioned amorphous and PI and copper foil surface.
3) splicing of amorphous：Amorphous band is passed through into epoxies hot-setting adhesive of the width for thick 5 μm of 300mm and wide 300mm thickness 5
The amorphous of volume two are spliced into the amorphous coiled material of wide 300mm by μm PI, and spliced gap need to be less than 0.1mm, to the amorphous after splicing
Metal covering cleaning.
4) prepared by the composite material of amorphous and suction ripple material：Ripple material powder will be inhaled and filler reconciles into slurry using mixer
Material, by the non-crystal face of amorphous band of the slurry coated in above-mentioned 300mm wide, forms after being pressed by rolling on non-crystal face
25 μm of suction ripple material.
5) material is cut into slices：Above-mentioned amorphous is inhaled into ripple material composite material and 10 μm of binding agent glue-lines and copper foil is cut into
The sheet material of 300X500mm
6) location hole is rushed：Location hole is rushed to above-mentioned non-crystalline material, binding agent glue-line and copper foil using location hole machine.
7) figure is rushed：Figure needed for the compound punching of ripple material is inhaled after being positioned according to location hole to above-mentioned amorphous, so as to keep away
Open conducting room up and down.
8) it is superimposed：According to made location hole, 8 μm of copper foils, 10 μm of binding agent glue-lines, 60 μm of amorphous are inhaled into ripple material base
Material, 10 μm of binding agent glue-lines, 8 μm of copper foils are successively sequentially superposed to a unit, with silica gel piece spacer units, are superimposed to specific thickness
Degree, is then placed in the gauge of laminating machine.
9) precompressed：160T- vacuum press is selected, before precompressed, press is first warming up to 168 ± 2 DEG C, to ensure that material pushes away
It can start to be laminated after entering.Preload pressure：0.6~1.5Mpa (6~15 kg/cm), time：4~7 minutes；Precompressed
Squish 1~2 minute afterwards；
10) press：After precompressed, hold it is temperature-resistant turn pressure and apply total head operation, and by following technological parameters into
Row heat-insulation pressure keeping.The total head pressure of 160T- vacuum press：1.8~3.5Mpa (18~35 kg/cm), temperature 160 ±
2 DEG C, the time：120 minutes.
11) it is cold-pressed：After total head operates, stop heating, under conditions of keeping pressure constant, make laminate in machine
It is cooled to close to room temperature.
12) blanking and detect, material suppresses rear blanking and detects.
13) foundation has pattern bit known to location hole positioning thereon during the FPCB of figure known to manufacture when using the FCCL
Put.
By the FCCL of the soft magnetic materials base material prepared by above-mentioned technique, its gross thickness of the material is 96 μm of wherein amorphous
25 μm of thickness inhales 25 μm of ripple material, and the magnetic conductivity Ur ' of soft magnetic materials is 350 (@1MHz)；The sensing coercivity H b of soft magnetic materials is
35.4A/m；Saturation induction density Bs is 1.0T).
Embodiment 2
A kind of FCCL materials for the double-sided copper-clad for needing the nanocrystalline of hole interior insulation and inhaling ripple material composite material base are described below
Material, its manufacture method are as follows.
The nanocrystalline of width 60mm 20 μm of annealed broken magnetic of thickness is selected, magnetic conductance (μ i) is 600 (1MHz), Ju Liwen
500 DEG C of degree；The suction ripple material coiled material of 40 μm of width 300mm thickness is selected, the magnetic conductance (μ i) for inhaling ripple material is 200 (1MHz), Ju Liwen
230 DEG C of degree；It is 1/4Oz (i.e. 8um) electrolytic copper foil to select width 300mm thickness, and two layers of copper foil is identical；Select width 300mm thickness 5
μm and 10 μm of epoxies hot-setting adhesives；Select the PI films of 5 μm of width 300mm thickness.
1) material and board preparation stage：
1.1, material includes above-mentioned main material：The annealed broken magnetic of 20 μm of width 60mm thickness it is nanocrystalline, 40 μm of thickness
Inhale ripple material slurry, 1/4Oz (i.e. 8um) electrolytic copper foil, 5 μm and 10 μm epoxies hot-setting adhesives of thickness, the PI films of 5 μm of thickness and；I.e.
Related auxiliary material：Silica gel piece, brown paper, steel plate etc..
1.2, main board prepares：Make-up machine, rolling pressing machine, location hole machine, punching machine, chip press.
2) cleaning material：Clean above-mentioned nanocrystalline and PI and copper foil surface.
3) nanocrystalline splicing：It is epoxies thermosetting 5 μm thick 300mm to enclose width 60mm nanocrystalline strips by width by 5
The amorphous of volume two are spliced into the amorphous coiled material of wide 300mm, the gap of spliced nanometer intergranular by 5 μm of PI of glue and wide 300mm thickness
0.1mm need to be less than, the nanocrystalline metal face is cleaned after splicing.
4) it is prepared by composite material that is nanocrystalline and inhaling ripple material：Above-mentioned nanocrystalline and suction ripple material is passed through to 5 μm of epoxies heat
Solid glue bonds together, and composite material that is nanocrystalline and inhaling ripple material is formed after rolling pressing.
5) material is cut into slices：Above-mentioned nanocrystalline and suction ripple material composite material and 10 μm of binding agent glue-lines and copper foil are cut into
The sheet material of 300X500mm.
6) it is superimposed：By 8 μm of copper foils, 10 μm of binding agent glue-lines, 75 μm of nanocrystalline suction ripple material base materials, 10 μm of binding agent glue-lines, 8
μm copper foil is successively sequentially superposed to a unit, with silica gel piece spacer units, is superimposed to specific thicknesses, is then placed in laminating machine
Gauge.
7) precompressed：140T- vacuum press is selected, before precompressed, press is first warming up to 175 ± 2 DEG C, to ensure that material pushes away
It can start to be laminated after entering.Preload pressure：0.7~1.4Mpa (7~14 kg/cm), time：4~9 minutes；Precompressed
Squish 1~3 minute afterwards.
8) press：After precompressed, hold it is temperature-resistant turn pressure and apply total head operation, and carried out by following technological parameters
Heat-insulation pressure keeping.The total head pressure of 140T- vacuum press：1.5~3.0Mpa (15~30 kg/cm), temperature 165 ± 2
DEG C, the time：130 minutes.
9) it is cold-pressed：After total head operates, stop heating, under conditions of keeping pressure constant, make laminate in machine
It is cooled to close to room temperature.
10) blanking and detect, material suppresses rear blanking and detects.
11) when using FCCL manufacture FPCB, bore dia expands 15 μm in right amount during drilling, and receiving in device to hole is needed after drilling
Rice crystalline substance insulate, insulation mode be exactly first surface cover release film by electrostatic spraying in hole it is nanocrystalline on coat one layer 8 μm
Insulating layer thicker, tears release film off, remaining takes the follow-up manufacture of conventional FPC.
By the FCCL of the soft magnetic materials base material prepared by above-mentioned technique, its gross thickness of the material is wherein received for 111 μm
20 μm of the brilliant thickness of rice inhales 40 μm of ripple material, and the magnetic conductivity Ur ' of soft magnetic materials is 333.3 (@1MHz)；The sensing coercivity of soft magnetic materials
Hcb is 28.7A/m；Saturation induction density Bs is 900mT).
The above embodiments are only illustrative of the principle and efficacy of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by the claim of the utility model.
Claims (9)
- A kind of 1. FCCL materials of soft magnetic materials base material, it is characterised in that the FCCL materials are in layer structure, including：At least The superposition alternate with least one layer of insulating layer of one layer of conductive layer, uses adhesive bonds between the conductive layer and insulating layer, described An at least layer insulating contains soft magnetic materials in insulating layer, the soft magnetic materials is amorphous, it is nanocrystalline in one kind.
- 2. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：The FCCL materials include one Layer insulating and one layer of conductive layer, centre is by adhesive bonds, and the insulating layer contains soft magnetic materials, and the soft magnetic materials is Amorphous, it is nanocrystalline in one kind, which makes as the basal layer of MULTILAYER COMPOSITE FCCL materials or directly as single side base material With.
- 3. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：The FCCL materials include by Conductive layer, adhesive, insulating layer, conductive layer are successively superimposed the layer structure of formation, and the insulating layer contains soft magnetic materials, described Soft magnetic materials for amorphous, it is nanocrystalline in one kind, the structure is as two-sided compound FCCL materials'uses.
- 4. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：It is described containing soft magnetic materials Insulating layer is soft magnetic materials base insulating layer or the insulation composite containing soft magnetic materials.
- 5. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：The amorphous is made of a kind of element in Fe, Si, B, C, Ni, Co, Cr, P, Ni；Nanocrystalline a kind of element by Fe, Si, B, Cu forms.
- 6. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：The conductive layer for aluminium foil, Copper foil or copper-beryllium alloy paper tinsel.
- 7. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：In the FCCL materials, remove Outside insulating layer containing soft magnetic materials, other insulating layer materials are PET, PI, FR4, ester imide membrane, fluorine carbon ethene are thin Film, sub- nylon paper or polybutylene terephthalate film.
- 8. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：The adhesive is hot melt One kind in glue, hot-setting adhesive or prepreg, including：Polyester-class adhesive, acrylic tackifier, epoxy or modified epoxy class Adhesive, polyimide adhesive or phenolic aldehyde-butyral class adhesive.
- 9. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：The total thickness of the FCCL materials Spend for 53-500 μm, wherein, for the thickness of the adhesive at 5-50 μm, the general thickness of the soft magnetic materials is 40-320 μm, The thickness of conductive layer is 8-105 μm.
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