CN108297502A - A kind of the FCCL materials and its manufacturing method of soft magnetic materials base material - Google Patents
A kind of the FCCL materials and its manufacturing method of soft magnetic materials base material Download PDFInfo
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- CN108297502A CN108297502A CN201710024470.5A CN201710024470A CN108297502A CN 108297502 A CN108297502 A CN 108297502A CN 201710024470 A CN201710024470 A CN 201710024470A CN 108297502 A CN108297502 A CN 108297502A
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- soft magnetic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/212—Electromagnetic interference shielding
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- Soft Magnetic Materials (AREA)
Abstract
The present invention provides a kind of the FCCL materials and its manufacturing method of soft magnetic materials base material, and the FCCL materials are in layer structure, including：The superposition alternate at 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 wave material, nanocrystalline one kind with the composite material for inhaling wave material.Pre- punching or hole interior insulation mode is taken to solve amorphous and nanocrystalline Insulation Problems in the manufacturing method.The present invention utilizes amorphous or nanocrystalline this kind of soft magnetic materials, has reached good electromagnetism frequency and has covered effect, is covered using amorphous or the nanocrystalline electromagnetism frequency for even more realizing wideband with composite material that is inhaling wave material.The present invention, compared to the module of traditional FPC and follow-up fitting suction wave material, there is that integrality is good, thickness is thin, wide using frequency point, production efficiency is high, cost advantage using the wiring board of FCCL material manufactures.
Description
Technical field
The present invention relates to FCCL (flexibility coat copper plate) fields of soft magnetic material and FPCB, more particularly to a kind of soft magnetism
The FCCL materials and its manufacturing method of material substrate.
Background technology
In financial field, payment is 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, it pays in still this financial six functions and the combination of financial technology (Fintech) is most naturally most tight
Close.Briefly, a payment exactly people is 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
The compositions such as the invoice in trade.Wherein, credit card, credit card and bank's transfer payment belong to e-payment means.From technology
Angle sees that e-payment includes then magnetic stripe card, smart card, non-contact card and mobile payment (Mobile payment), and payment is true
Just entering the cash-free epoch.With the development of science and technology, cash-free mobile payment is the certainty of means of payment development and differentiation
Path.It supports the MST of mobile payment, NFC payment technology to be substantially applied therewith, is limited between component by space in machine
Interference, electromagnetism frequency the considerations of covering more about is taken seriously, especially the portable electronic devices such as mobile phone, PAD and notebook, wherein
Amorphous nano-crystalline and to inhale wave material be 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 the wireless charging research of their high-end types.It is believed that 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 produced 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 compound of the amorphous nano-crystalline machine of soft magnetic materials and suction wave material is just
It can be applied to wireless charging field very well
With the development of smart mobile phone, also more come using function about more, the convenience that uses 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
Mostly it is that each frequency point is individually shielded, it is difficult to accomplish a module while solving.In view of this, we invent a kind of soft magnetic materials base
The FCCL materials of material, the electromagnetic shielding that the wiring board produced using the base material can solve MST, NFC and WPC simultaneously are asked
Topic.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of FCCL of soft magnetic materials base material
Material and its manufacturing method, the FCCL materials of manufacturing method manufacture are applied to have good electromagnetic shielding when FPCB wiring boards
Effect.
In order to achieve the above objects and other related objects, the present invention provides a kind of FCCL materials of soft magnetic materials base material, institute
It is in layer structure, the FCCL materials of soft magnetic materials base material to state FCCL materials, which is characterized in that the FCCL materials are in stratiform knot
Structure, including：The superposition alternate at least one layer of insulating layer of at least one layer of conductive layer uses gluing between the conductive layer and insulating layer
Agent bonds, and an at least layer insulating contains soft magnetic materials in the insulating layer, and the soft magnetic materials is amorphous, nanocrystalline, non-
Composite material that is brilliant and inhaling wave material, nanocrystalline one kind with the composite material for inhaling wave 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 be amorphous, nanocrystalline, amorphous with inhale wave material composite material, it is nanocrystalline with
One kind in the composite material of wave 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
At layer structure, the insulating layer contains soft magnetic materials, and the soft magnetic materials is amorphous, nanocrystalline, amorphous and inhales wave material
Composite material, nanocrystalline one kind with the composite material for inhaling wave 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 layer.
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 wave material under 1MHz working frequency points is 80-800, Ju Liwen
It spends Tc and is 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 that is described nanocrystalline and inhaling wave material under 1MHz working frequency points 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；The suction wave material is made of one or more elements in Fe, Si, Al, C, N, O, M, M represent it is a kind of or
Several transition elements.
Preferably, the conductive layer is aluminium foil, copper foil or copper-beryllium alloy foil.
Preferably, in the FCCL materials, in addition to the insulating layer containing soft magnetic materials, other insulating layer materials be 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 overall 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 present invention also provides a kind of manufacturing method of the FCCL materials of soft magnetic materials base material, the manufacturing method includes：
By the superposition alternate at least one layer of insulating layer of at least one layer of conductive layer, each interlayer uses adhesive bonds, then leads to
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 are amorphous, nanocrystalline, amorphous and the composite material for inhaling wave material, composite material that is nanocrystalline and inhaling wave 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 wave material, nanocrystalline one kind with the composite material for inhaling wave 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 be amorphous,
Nanocrystalline, amorphous and the composite material for inhaling wave material, nanocrystalline one kind with the composite material for inhaling wave material.
Preferably, the composite material of the amorphous and suction wave material, composite material that is nanocrystalline and inhaling wave 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 wave material are bonded in one by binder
It rises；The method of coating is that the slurry for inhaling wave material is applied directly on amorphous or nanocrystalline band, is pressed after dry.
Preferably, pre- before pressing to be punched by the way of insulation or pressing metapore interior insulation, in the soft magnetic materials
Amorphous or nanocrystalline insulate.
Preferably, the soft magnetic materials Dan Mei is used further to be laminated after being directly used in lamination or more pieces of splicings, and when splicing adopts
It is directly bonded with adhesive, gap is less than 0.1mm between spliced soft magnetic materials.
As described above, the FCCL materials and its manufacturing method of a kind of soft magnetic materials base material of the present invention, have beneficial below
Effect：
1, FCCL materials of the invention are the use function of having flexibility coat copper plate, and also electromagnetism frequency covers function.
2, FCCL electro-magnetic screen functions of the invention have the characteristic of wideband, for example can be served simultaneously in mobile phone
MST, NFC and WPC.
3, soft magnetic materials is pressed into inside FCCL by the present invention, can reduce the complete machine thickness of electronic product.
4, magnetic material of the invention inside FCCL, is felt without burden, improves the aesthetic feeling of product by appearance.
5, compared to traditional fitting, simplify process, improve efficiency, reduce cost.
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 present invention.
Fig. 2 is that the single side of the FCCL materials of the soft magnetic materials base material of the present invention covers steel structure schematic diagram.
Fig. 3 is the double-sided copper-clad structural schematic diagram of the FCCL materials of the soft magnetic materials base material of the present invention.
Component label instructions
101 insulating layers
201 adhesive
301 conductive layers
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
Please refer to attached drawing.It should be noted that the diagram provided in the present embodiment only illustrates the present invention in a schematic way
Basic conception, only display and related component in the present invention rather than component count, shape when according to actual implementation in schema then
Shape and size are drawn, when actual implementation kenel, quantity and the ratio of each component can be a kind of random change, and its component cloth
Office's kenel may also be increasingly complex.
As shown in Figure 1, the present invention provides a kind of FCCL materials of soft magnetic materials base material, the FCCL materials are in stratiform knot
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 101
Between bonded using adhesive 201, an at least layer insulating contains soft magnetic materials, the soft magnetism material in the insulating layer 101
Material is amorphous, nanocrystalline, amorphous and the composite material for inhaling wave material, nanocrystalline one kind with the composite material for inhaling wave material.That is,
The FCCL materials include conductive layer 301, adhesive 201, insulating layer 101, adhesive 201, conductive layer 301, adhesive 201 ...
It is arranged in order.If not particularly pointing out, this patent soft magnetic materials as described below refers to just amorphous or nanocrystalline or amorphous and suction
The composite material of wave material or the nanocrystalline composite material with suction wave 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 layer.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
It is 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, centre
Bonded by adhesive 201, the insulating layer 101 contains soft magnetic materials, the soft magnetic materials be amorphous, nanocrystalline, amorphous with
The composite material of wave material, nanocrystalline one kind with the composite material for inhaling wave 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 in MULTILAYER COMPOSITE FCCL materials, includes 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 include 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
Material is one kind in amorphous, the composite material of nanocrystalline, amorphous and suction wave material, composite material that is nanocrystalline and inhaling wave material, the knot
Structure is as two-sided compound FCCL materials'uses.
As an example, if soft magnetic materials uses amorphous, the 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, the 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, 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, using the composite material of amorphous and suction wave material, the magnetic permeability μ r ' under 1MHz working frequency points is
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 wave material composite material, the 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 wave 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 be conductive layer 101, adhesive layer 201, insulating layer 301 successively
Arrangement, can be with multiple stacking, wherein including infrastructure layer, infrastructure layer is the insulating layer containing soft magnetic materials, adhesive layer
And conductive layer.The combination between layers of layer structure of the present invention includes chemical bonding, physical mechanical combines and solid solution
Body 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 of the present invention is the one or more in hot melt adhesive, hot-setting adhesive and prepreg
Combination, including：Polyester-class adhesive, acrylic tackifier, epoxy or modified epoxy class adhesive, polyimide gluing
Agent, phenolic aldehyde-butyral class adhesive.
Soft magnetic materials of the present invention can Dan Mei be directly used in pressing；Also with being used further to be laminated after sliceable, when splicing
It is directly bonded using adhesive, gap is not greater than 0.1mm between spliced soft magnetic materials.
As an example, the overall thickness of the compound FCCL materials of the present invention is 53-500 μm, the adhesive thickness 5-
50 μm, amorphous, it is nanocrystalline and its inhale wave material composite material soft magnetic materials thickness be 40-300 μm, conductive layer be 8-105 μm,
Other insulating layers such as 5-50 μm of PI equal thickness.
The present invention also provides a kind of manufacturing method of the FCCL materials of soft magnetic materials base material, the manufacturing method includes：It will
The 101 alternate superposition of at least one layer of conductive layer 301 and at least one layer of insulating layer, each interlayer are bonded using adhesive 201, are then passed through
The method processing and manufacturing of lamination obtains FCCL materials, wherein at least a layer insulating contains soft magnetism material in the insulating layer 101
Material.Wherein, the soft magnetic materials be amorphous, nanocrystalline, amorphous with inhale wave material composite material, it is nanocrystalline with suction wave material it is compound
One kind in material.
In the manufacturing method of the present invention, using laminate technique, the lamination can be that rolling lamination can also be sheet
Lamination, press can be that common press can also be vacuum press or rolling press.Laminating technology used in the present invention is usually
It is suppressed using sheet.
In the present invention, the composite material and composite material that is nanocrystalline and inhaling wave material of the amorphous and suction wave material can pass through
The method for directly fitting and coating is made.Method is directly fitted exactly to be bonded amorphous or nanocrystalline and suction wave material by binder
Together；The method of coating is exactly that the slurry for inhaling wave material is applied directly to above amorphous or nanocrystalline band, then does
It is pressed after 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 present invention takes pre- punching or hole interior insulation mode to solve amorphous and nanocrystalline Insulation Problems.
For being punched insulation in advance, 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 avoids and the hole be connected up and down position is needed to play the role of insulation.Specifically：First by soft magnetism
Material die goes out required figure, then again by insulating layer, binder, conductive layer, binder, insulating layer, binder, conductive layer ...
It is successively sequentially superimposed, it includes magnetic material wherein at least to have in one layer of insulating layer, is then formed by the method for lamination
Single side, double-deck or even multilayer FCCL.
The present embodiment is as follows
1) material and board preparation stage：
1.1, material includes main material：Magnetic material and other insulating layers such as PI etc., binder glue, metal foil；Auxiliary material：Silica gel
Piece, brown paper, steel plate etc..
1.2, 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 binder glue-line, metal foil and other insulating materials are rushed using location hole machine
Location hole.
4) figure is rushed：To the compound of soft magnetic materials amorphous nano-crystalline or the two and suction wave material after being positioned according to location hole
It is punched figure, to avoid that vacancy is connected up and down.
5) it is superimposed, according to made location hole, by conductive layer, binder glue-line, insulating layer, binder glue-line, insulation
Layer, binder 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 binder glue-line operating specification；Layer material after heat treatment is entered into compaction procedure, according to pressure
The conditions regular hours such as machine specification heat-insulation pressure keeping can be obtained FCCL materials of the present invention.
7) it blanking and detects, material suppresses rear blanking and detects.
8) it uses when the FCCL and has the known graph position of 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 amorphous or nanocrystalline
Or the two and inhale wave material compound FCCL, aperture will expand in right amount when drilling, after take the gold such as electrostatic spraying or electrophoresis
Belonging to insulation technology makes to coat one layer of insulation film, the method to reach hole interior insulation on the amorphous nano-crystalline in hole.Specifically：
By insulating layer, binder, conductive layer, binder, insulating layer, binder, conductive layer ..., successively whole face is sequentially superimposed, wherein at least
It includes magnetic material to have in one layer of insulating layer, the single side then formed by the method for lamination, double-deck or even more
The FCCL of layer, amorphous nano-crystalline when use in drilling aperture after take one layer insulating of electrostatic spraying or electrophoretic coating.
The present embodiment is as follows：
1) material and board preparation stage：Material includes magnetic material and other insulating layers such as PI etc., binder glue, metal
Foil, 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, binder glue-line, insulating layer, binder glue-line, insulation
Layer, binder 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 binder glue-line operating specification；Layer material after heat treatment is entered into compaction procedure, according to pressure
The conditions regular hours such as machine specification heat-insulation pressure keeping can be obtained FCCL materials of the present invention.
5) it blanking and detects, material suppresses rear blanking and detects.
6) it when using the FCCL, is connected and drills if necessary to levels, aperture expands in right amount when 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 method for the invention, have the advantages that：
1, FCCL materials of the invention are the use function of having flexible copper-clad plate, and also electromagnetism frequency covers function.
2, FCCL electro-magnetic screen functions of the invention have the characteristic of wideband, for example can be served simultaneously in mobile phone
MST, NFC and WPC.
3) soft magnetic materials is pressed into inside FCCL by the present invention, can reduce the complete machine thickness of electronic product.
4) magnetic material of the invention inside FCCL, is felt without burden, improves the aesthetic feeling of product by appearance.
5) traditional fitting is compared, process is simplified, efficiency is improved, reduces cost.
Embodiment 1
The FCCL of double face copper is most common in FPCB, and a kind of pre- punching is prepared according to manufacturing method of the present invention
Amorphous and inhale wave material composite material base double-sided copper-clad FCCL materials, manufacturing method is as follows.
It is 500 (1MHz), Curie temperature to select width 150mm 25 μm of annealed amorphous with magnetic of thickness, magnetic conductance (μ i)
460℃；Select can 25 μm of coating thickness suction wave material powder and filler, the magnetic conductance (μ i) after coating molding is 200 (@
1MHz), 260 DEG C of Curie temperature；Select 1/4Oz (i.e. 8um) electrolytic copper foil, two layers of copper foil 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 wave 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：Blender, 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：The epoxies hot-setting adhesive and wide 300mm thickness 5 for being thick 5 μm of 300mm by width by amorphous band
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 wave material：Wave material powder and filler will be inhaled to be slurried using blender reconciliation
Material is formed on the non-crystal face of amorphous band of the slurry coated in above-mentioned 300mm wide after being pressed by rolling on non-crystal face
25 μm of suction wave material.
5) material is sliced：Above-mentioned amorphous is inhaled into wave material composite material and 10 μm of binder 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, binder glue-line and copper foil using location hole machine.
7) figure is rushed：Figure needed for the compound punching of wave material is inhaled to above-mentioned amorphous after being positioned according to location hole, to keep away
It opens and vacancy is connected up and down.
8) it is superimposed：According to made location hole, 8 μm of copper foils, 10 μm of binder glue-lines, 60 μm of amorphous are inhaled into wave material base
Material, 10 μm of binder 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 jig 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) it presses：After precompressed, hold it is temperature-resistant carry out turn pressure 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, makes laminate in machine
It is cooled to close to room temperature.
12) it blanking and detects, material suppresses rear blanking and detects.
13) when manufacturing the FPCB of known figure when using the FCCL known pattern bit is positioned according to existing location hole thereon
It sets.
By the FCCL of the soft magnetic materials base material prepared by above-mentioned technique, its overall thickness of the material is 96 μm of wherein amorphous
25 μm of thickness inhales 25 μm of wave material, and the magnetic conductivity Ur ' of soft magnetic materials is 350 (@1MHz)；The induction 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 wave material composite material base are described below
Material, manufacturing method are as follows.
It is 600 (1MHz), Ju Liwen to select the nanocrystalline of width 60mm 20 μm of annealed broken magnetic of thickness, magnetic conductance (μ i)
500 DEG C of degree；The suction wave material coiled material of 40 μm of width 300mm thickness is selected, the magnetic conductance (μ i) for inhaling wave material is 200 (1MHz), Ju Liwen
230 DEG C of degree；Selection width 300mm thickness is 1/4Oz (i.e. 8um) electrolytic copper foil, 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 wave 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 thick 5 μm of the epoxies thermosettings of 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) prepared by composite material that is nanocrystalline and inhaling wave material：Above-mentioned nanocrystalline and suction wave material is passed through to 5 μm of epoxies heat
Solid glue bonds together, and composite material that is nanocrystalline and inhaling wave material is formed after rolling pressing.
5) material is sliced：Above-mentioned nanocrystalline and suction wave material composite material and 10 μm of binder 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 binder glue-lines, 75 μm of nanocrystalline suction wave material base materials, 10 μm of binder glue-lines, 8
μm copper foil is successively sequentially superposed to a unit and is superimposed to specific thicknesses with silica gel piece spacer units, is then placed in laminating machine
Jig.
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) it presses：After precompressed, total head operation is applied holding the temperature-resistant turn pressure that carries out, and carry 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, makes laminate in machine
It is cooled to close to room temperature.
10) it blanking and detects, material suppresses rear blanking and detects.
11) when using FCCL manufacture FPCB, bore dia expands 15 μm in right amount when drilling, and receiving in device to hole is needed after drilling
Rice crystalline substance insulate, and insulation mode is exactly that release film nanocrystalline upper one layer 8 μm of coating in hole by electrostatic spraying is covered on first surface
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 overall thickness of the material is 111 μm and wherein receives
20 μm of the brilliant thickness of rice inhales 40 μm of wave material, and the magnetic conductivity Ur ' of soft magnetic materials is 333.3 (@1MHz)；The induction coercivity of soft magnetic materials
Hcb is 28.7A/m；Saturation induction density Bs is 900mT).
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (16)
1. a kind of FCCL materials of soft magnetic materials base material, which is characterized in that the FCCL materials are in layer structure, including：At least
The superposition alternate at 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, and the soft magnetic materials is amorphous, nanocrystalline, amorphous and inhales wave material
Composite material, nanocrystalline one kind with the composite material for inhaling wave material.
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, nanocrystalline, amorphous and the composite material for inhaling wave material, nanocrystalline one kind with the composite material for inhaling wave material, the structure are made
It is used for the basal layer of MULTILAYER COMPOSITE FCCL materials or directly as single side base material.
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, adhesive, conductive layer are successively superimposed the layer structure of formation, and the insulating layer contains soft magnetism material
Material, the soft magnetic materials are amorphous, nanocrystalline, amorphous and the composite material for inhaling wave material, composite material that is nanocrystalline and inhaling wave material
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：
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
Hcb 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, coercive
Power Hcb 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 wave material under 1MHz working frequency points is 80-800, Curie temperature Tc
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 that is described nanocrystalline and inhaling wave material under 1MHz working frequency points 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.
6. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：
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；
Nanocrystalline one or more elements by Fe, Si, B, Cu, M form, and M represents one or more of transition elements；
The suction wave material is made of one or more elements in Fe, Si, Al, C, N, O, M, and M represents one or more of transition members
Element.
7. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：The conductive layer be aluminium foil,
Copper foil or copper-beryllium alloy foil.
8. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：In the FCCL materials, remove
Except insulating layer containing soft magnetic materials, other insulating layer materials are PET, PI, FR4, ester imide membrane, fluorine carbon ethylene are thin
Film, sub- nylon paper or polybutylene terephthalate film.
9. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：The adhesive is hot melt
One or more combinations 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.
10. the FCCL materials of soft magnetic materials base material according to claim 1, it is characterised in that：The FCCL materials it is total
Thickness is 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 μ
The thickness of m, conductive layer are 8-105 μm.
11. a kind of manufacturing method of such as FCCL materials of claim 1~10 any one of them soft magnetic materials base material, feature
It is, the manufacturing method includes：
By the superposition alternate at least one layer of insulating layer of at least one layer of conductive layer, each interlayer uses adhesive bonds, then passes through layer
The method processing and manufacturing of pressure obtains FCCL materials, wherein at least a layer insulating contains soft magnetic materials in the insulating layer, institute
It is one in amorphous, the composite material of nanocrystalline, amorphous and suction wave material, the nanocrystalline composite material with suction wave material to state soft magnetic materials
Kind.
12. manufacturing method according to claim 11, it is characterised in that：Successively successively by insulating layer, adhesive, conductive layer
It is sequentially superimposed, the basal layer or single side base material of MULTILAYER COMPOSITE FCCL materials is obtained by the method processing and manufacturing of lamination, it is described
Insulating layer contains soft magnetic materials, the soft magnetic materials be amorphous, nanocrystalline, amorphous with inhale wave material composite material, it is nanocrystalline with
Inhale one kind in the composite material of wave material.
13. manufacturing method according to claim 11, it is characterised in that：Successively by conductive layer, adhesive, insulating layer, glue
Stick, conductive layer are successively sequentially superimposed, and two-sided compound FCCL materials, the insulating layer are obtained by the method processing and manufacturing of lamination
Containing soft magnetic materials, the soft magnetic materials is amorphous, nanocrystalline, amorphous and the composite material for inhaling wave material, nanocrystalline and suction wave material
Composite material in one kind.
14. the FCCL materials of soft magnetic materials base material according to claim 11, it is characterised in that：The amorphous and suction wave material
Composite material, composite material that is nanocrystalline and inhaling wave material be made by the method that directly fits or coat, the side of directly fitting
Method is that amorphous or nanocrystalline and suction wave material are bonded together by binder；The method of coating is that the slurry that will inhale wave material is direct
Coated on amorphous or nanocrystalline band, pressed after dry.
15. the FCCL materials of soft magnetic materials base material according to claim 11, it is characterised in that：Using pre- punching before pressing
The mode of insulation or pressing metapore interior insulation, in the soft magnetic materials amorphous or nanocrystalline insulate.
16. manufacturing method according to claim 11, it is characterised in that：The soft magnetic materials Dan Mei is directly used in lamination,
Or be used further to be laminated after more pieces of splicings, when splicing, is directly bonded using adhesive, and gap is less than between spliced soft magnetic materials
0.1mm。
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