CN106710785A - Novel multilayer chip inductance inside coil and manufacturing method - Google Patents
Novel multilayer chip inductance inside coil and manufacturing method Download PDFInfo
- Publication number
- CN106710785A CN106710785A CN201611142385.0A CN201611142385A CN106710785A CN 106710785 A CN106710785 A CN 106710785A CN 201611142385 A CN201611142385 A CN 201611142385A CN 106710785 A CN106710785 A CN 106710785A
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- China
- Prior art keywords
- inductor
- interior loop
- magnetic
- electric conductor
- inductance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 230000005291 magnetic effect Effects 0.000 claims abstract description 48
- 239000004020 conductor Substances 0.000 claims abstract description 43
- 238000003466 welding Methods 0.000 claims abstract description 24
- 238000007639 printing Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 28
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 12
- 229910052709 silver Inorganic materials 0.000 claims description 9
- 239000004332 silver Substances 0.000 claims description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 2
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F2017/0066—Printed inductances with a magnetic layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F2017/0073—Printed inductances with a special conductive pattern, e.g. flat spiral
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a novel multilayer chip inductance inside coil and a manufacturing method, and belongs to the technical field of inductance coils. The novel multilayer chip inductance inside coil comprises an inductor lower cover, an inductor upper cover, magnetic bodies, conductors and welding tips, wherein the welding tips are fixedly welded at two ends of the inductance inside coil, the inductor upper cover is fixedly arranged at the uppermost end of the inductance inside coil, the inductor lower cover is fixedly arranged a the lowermost end of the inductance inside coil, the conductors are fixedly printed on the inductor lower cover, the magnetic bodies are fixedly printed at the upper ends of the conductors, and the conductors and the magnetic bodies are alternately stacked. The magnetic bodies and the conductors arranged inside the novel multilayer chip inductance inside coil are crossly printed, layers of the inside coil are reliably connected without via holes, the novel multilayer chip inductance inside coil is low in manufacturing cost, high in efficiency and automation degree and good in electrical performance consistency, and the design requirements of the novel multilayer chip inductance inside coil are met.
Description
Technical field
The invention belongs to inductance coil technical field, and in particular to a kind of novel laminated chip inductor interior loop and manufacture
Method.
Background technology
Inductance coil is the device being operated using the principle of electromagnetic induction, when there is electric current to flow through a wire, just
Certain electromagnetic field can be produced around this root wire, and the wire of this electromagnetic field in itself can be to being in this electromagnetic field
In the range of wire there is induction effect, the effect that occurs in itself of wire to producing electromagnetic field is called " self-induction ", i.e., wire from
The variable-current that oneself produces produces variation magnetic field, and this magnetic field further have impact on the electric current in wire；To being in this electricity
The effect that other wires of magnetic field range are produced, is called " mutual inductance ".
In the prior art, CN201310733111.9 discloses a kind of preparation method of inductance coil, and it is comprised the following steps：
1) processing procedure of coil holder：The bar of stainless steel is selected, by lathe along the bar circumferentially in the pars intermedia of the bar
Cutting cuts out the groove of a circumference, forms the bobbin portion of the coil holder, and remaining two ends form the gear line portion of the coil holder；2) coiling
Processing procedure：Coiling is carried out by coil winding machine on the coil holder for completing is prepared, coil is formed.
In the prior art, CN201510412858.3 discloses a kind of inductor arrangement and its manufacture method, the inductance
Coil device includes：First magnet；Inductance coil, the inductance coil is wrapped on first magnet；And second magnet,
Second magnet surrounds the inductance coil, and the thickness of second magnet is identical with the thickness of first magnet or not
Together, the inductor arrangement also include fixture, by the fixture by first magnet, the inductance coil and
Second magnet is fixed together, and the fixture includes adjustment fixture and multiple fixed screws, and the adjustment is fixed
Part is positioned on first magnet, the inductance coil and second magnet by the multiple fixed screw respectively,
The inductance coil is the dilute wound coil of individual layer.
Above-mentioned general inductance coil manufacture method is wrapped in center magnet or coil using external inductor coil mostly
On frame, inductance coil volume is excessive, and low production efficiency, automaticity is low, and product electrical property consistency is poor, and interior loop interlayer connects
Connect unreliable, cost of manufacture drop is high, it is impossible to adapt to market demands, have greatly optimization and improve space.
The content of the invention
It is above-mentioned to solve it is an object of the invention to provide a kind of novel laminated chip inductor interior loop and manufacture method
The problem proposed in background technology.
To achieve the above object, the present invention proposes a kind of novel laminated chip inductor interior loop and manufacture method, belongs to
Lid, magnetic, electric conductor and welding termination in inductance coil technical field, including inductor lower cover, inductor, in the inductance
The two ends of coil are fixedly welded with welding termination, and the top of the inductance interior loop is fixedly installed on inductor to be covered, described
The bottom of inductance interior loop is fixedly installed inductor lower cover, and fixing printing has electric conductor above the inductor lower cover, institute
State electric conductor upper end fixing printing to be magnetic body, the electric conductor and magnetic are alternately laminated.
Preferably, magnetic thin layer is scribbled on the interior aspect face of lid and inductor lower cover on the inductor.
Preferably, waterproof insulating layer is scribbled on the outer surface in the outside of lid and inductor lower cover on the inductor.
Preferably, the magnetic is specially a kind of good ferrite powder of magnetic conductivity, PVB, DOP and DBE mixture.
Preferably, the electric conductor is specially a kind of conductive silver paste of good conductivity, and dried process is carried out after printing.
Preferably, the mode of printing of the magnetic is printed for a kind of panel type 1/2.
Preferably, the mode of printing of the electric conductor is a kind of printing of linear, and electric conductor is specially in a kind of helical form
Rise printing.
Preferably, welding is fixed in the welding termination with electric conductor, and welding termination is designed with 2, and material is a kind of conductive
Silver layer, nickel coating and tin layers on silver layer, makes element solderable.
Preferably, the inductance interior loop profile is designed as a kind of cuboid-type structure, and edges and corners carry out polishing rounding
Treatment, volume shared by coiler part is more than volume shared by welding termination.
Compared with prior art, the beneficial effects of the invention are as follows：This novel laminated chip inductor interior loop and manufacturer
Method simple structure, reasonable in design and novelty, construction of stable is cheap, and novel laminated chip inductor interior loop inside sets electricity
Lid, magnetic, electric conductor and welding termination, lid and inductor lower cover energy on the inductor being provided with sensor lower cover, inductor
Enough effectively protection internal layer magnetic and electric conductor exempt from external world and corrosion, and the magnetic being provided with can be made in electric current
Obvious inductive effect is produced with lower, the electric conductor being provided with enables to electric current through inductance interior loop, so as to excite magnetic
Inductance is produced, welding termination is provided with, enables to inductance interior loop freely to weld on circuit boards, conducting inductance interior lines
The design requirement of circle, novel laminated chip inductor interior loop and manufacture method.
Brief description of the drawings
Fig. 1 is forward sight structural representation of the present invention.
Fig. 2 is side structure schematic view of the present invention.
Fig. 3 is overlooking the structure diagram of the present invention.
Fig. 4 is 3-D solid structure schematic diagram of the present invention.
Fig. 5 is 3 D stereo perspective structure schematic diagram of the present invention.
Fig. 6 is fabrication processing structural representation of the present invention.
Fig. 7 is preparation method process step schematic diagram of the present invention.
In figure：1. 2. inductor lower cover of lid, 3. magnetic, 4. electric conductor 5. welds termination on inductor
Specific embodiment
The embodiment of inductance interior loop of the present invention described below with reference to the accompanying drawings.The ordinary skill people of this area
Member will recognize, without departing from the spirit and scope of the present invention, can be with a variety of modes to described
Embodiment be modified.Therefore, accompanying drawing and description are inherently illustrative, rather than the guarantor for limiting claim
Shield scope.Additionally, in this manual, accompanying drawing draws not in scale, identical reference represents same or analogous part.
Refer to shown in Fig. 1-5, novel laminated chip inductor interior loop proposed by the invention and manufacture method belong to
Lid 2, magnetic 3, electric conductor 4 and welding termination 5, described in inductance coil technical field, including inductor lower cover 1, inductor
The two ends of inductance interior loop are fixedly welded with welding termination 5, and the top of the inductance interior loop is fixedly installed on inductor
Lid 1, the bottom of the inductance interior loop is fixedly installed inductor lower cover 2, and fixing printing has the inductor lower cover 2 above
Electric conductor 4, the upper end fixing printing of the electric conductor 4 is magnetic body 3, and the electric conductor 4 and magnetic 3 are alternately laminated.
As shown in fig. 6, in the first implementation method of the preparation method of inductance interior loop involved in the present invention, in inductance
The typography flow of coil includes：Lower cover inner side is first carried out into magnetic printing, then by initial conductor printing on lower lid, so
1/2 magnetic printing is carried out on the top for having printed conductor afterwards, then the printing of 1/2 magnetic carries out 1/2 conductor printing above again,
Carried out above 1/2 conductor 1/2 magnetic printing printing again；Then 1/2 conductor printing is carried out again, constantly repeats this printing
Process, finally carries out the printing of lid internal magnetic body.
As shown in fig. 7, in the first implementation method of the manufacture method of inductance interior loop involved in the present invention, in inductance
The manufacture method of coil includes：Make magnetic slurry：It is first powder by each composition quality ratio：60-70%；DBE：15-25%；
DOP：3-5%；PVB：The magnetic powdery pulp of 5-10% carries out mixing making；Printing：Then carry out product go to a grassroots level, interior loop,
The printing of upper basic unit, hydraulic pressure：Tablet is fitted into hermetic bag, is vacuumized, using the consistent mechanism of pressure in water, obtain tablet equal
Even pressure and it is fine and close；Cutting：Tablet is divided into unit by design size, unit after cutting is fired into by uniform temperature curve
There is certain mechanical strength product, wherein, time 9-13 hours, 850-920 DEG C of maximum temperature；Chamfering：Product after sintering is put into
Mill Jie's chamfering, makes product termination form ellipse；End silver：The silver on product two ends after chamfering, draws interior loop；Silver ink firing：Temperature
600 DEG C -850 DEG C, time 2-3 hours, termination, body is set to have certain adhesion；Plating：Nickel coating and tin layers, make on silver layer
Element is solderable；Test：Test product electrical property.Packaging：Reel is packaged into, product is mounted suitable for automatic surface.
Preferably, magnetic thin layer is scribbled on the interior aspect face of lid 1 and inductor lower cover 2 on the inductor.
Preferably, the magnetic 3 is specially a kind of good ferrite powder, PVB, DOP and DBE mixture of magnetic conductivity.
Preferably, the electric conductor 4 is specially a kind of conductive silver paste of good conductivity.
Preferably, the mode of printing of the magnetic 3 is printed for a kind of panel type 1/2.
Preferably, the mode of printing of the electric conductor 4 is a kind of printing of linear, and electric conductor 4 is specially a kind of helical form
Rise printing.
Preferably, welding is fixed in the welding termination 5 with electric conductor 4, and welding termination 5 is designed with 2, and material is led for one kind
Electric silver layer, nickel coating and tin layers on silver layer, makes element solderable.
Operation principle：First by lid 2, magnetic 3, electric conductor 4 and weldering on the inductor lower cover 1, inductor of inductance interior loop
Connect termination 5 to be fixedly connected, turn-on current, electric current is flowed into by the welding termination 5 of side, by electric conductor 4, excite magnetic 3
Produce magnetic field, the unexpected increase for hindering electric current, after derived by the welding termination 5 of opposite side, when electric current reduces suddenly, magnetic
Gonosome 4 excites magnetic field, hinders the reduction of the electric current inside electric conductor 3, lid 1 and the energy of inductor lower cover 2 on the inductor being provided with
Enough effectively protection internal layer magnetics 3 and electric conductor 4 exempt from external world and corrosion, and the magnetic 3 being provided with can be in electric current
Effect is lower to produce obvious inductive effect, and the electric conductor 4 being provided with enables to electric current through inductance interior loop, so as to excite magnetic
Gonosome produces inductance, is provided with welding termination 5, enables to inductance interior loop freely to weld on circuit boards, electric conduction
Sense interior loop.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (8)
1. lid (2) in a kind of novel laminated chip inductor interior loop and manufacture method, including inductor lower cover (1), inductor,
Magnetic (3), electric conductor (4) and welding termination (5), it is characterised in that：The two ends of the inductance interior loop are fixed with welding ends
Head (5), the top of the inductance interior loop is fixedly installed lid (1) on inductor, and the bottom of the inductance interior loop is consolidated
Surely inductor lower cover (2) is provided with, fixing printing has electric conductor (4), the electric conductor (4) to the inductor lower cover (2) above
Upper end fixing printing is magnetic body (3), and the electric conductor (4) and magnetic (3) are alternately laminated.
2. a kind of novel laminated chip inductor interior loop according to claim 1 and manufacture method, it is characterised in that：Institute
State and scribble magnetic (3) thin layer on the interior aspect face that (1) and inductor lower cover (2) are covered on inductor.
3. a kind of novel laminated chip inductor interior loop according to claim 1 and manufacture method, it is characterised in that：Institute
State magnetic (3) and be specially a kind of good ferrite powder of magnetic conductivity, PVB, DOP and DBE mixture.
4. a kind of novel laminated chip inductor interior loop according to claim 1 and manufacture method, it is characterised in that：Institute
State electric conductor (4) and be specially a kind of conductive silver paste of good conductivity, high-temperature process is carried out after printing.
5. a kind of novel laminated chip inductor interior loop according to claim 4 and manufacture method, it is characterised in that：Institute
The mode of printing of magnetic (3) is stated for a kind of panel type 1/2 prints.
6. a kind of novel laminated chip inductor interior loop according to claim 5 and manufacture method, it is characterised in that：Institute
The mode of printing of electric conductor (4) is stated for a kind of linear prints, electric conductor (4) is specially a kind of helical form and rises printing.
7. a kind of novel laminated chip inductor interior loop according to claim 1 and manufacture method, it is characterised in that：Institute
Welding termination (5) is stated with the fixed welding of electric conductor (4), welding termination (5) is designed with 2, and material is a kind of conductive silver layer, in silver
Nickel coating and tin layers on layer, make element solderable.
8. a kind of novel laminated chip inductor interior loop according to claim 1 and manufacture method, it is characterised in that：Institute
State inductance interior loop profile and be designed as a kind of cuboid-type structure, edges and corners carry out polishing rounding and process, shared by coiler part
Volume is more than volume shared by welding termination (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142385.0A CN106710785A (en) | 2016-12-12 | 2016-12-12 | Novel multilayer chip inductance inside coil and manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611142385.0A CN106710785A (en) | 2016-12-12 | 2016-12-12 | Novel multilayer chip inductance inside coil and manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106710785A true CN106710785A (en) | 2017-05-24 |
Family
ID=58937366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611142385.0A Withdrawn CN106710785A (en) | 2016-12-12 | 2016-12-12 | Novel multilayer chip inductance inside coil and manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106710785A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904937A (en) * | 2019-02-25 | 2019-06-18 | 中国矿业大学 | A kind of radio energy transmission system plane knuckle types coil design approaches |
| CN110459380A (en) * | 2019-08-20 | 2019-11-15 | 深圳市宏业兴电子有限公司 | A kind of novel laminated chip inductor and its manufacturing method |
-
2016
- 2016-12-12 CN CN201611142385.0A patent/CN106710785A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904937A (en) * | 2019-02-25 | 2019-06-18 | 中国矿业大学 | A kind of radio energy transmission system plane knuckle types coil design approaches |
| CN109904937B (en) * | 2019-02-25 | 2020-11-03 | 中国矿业大学 | Design method for planar angle-folding type coil of wireless power transmission system |
| CN110459380A (en) * | 2019-08-20 | 2019-11-15 | 深圳市宏业兴电子有限公司 | A kind of novel laminated chip inductor and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170524 |
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| WW01 | Invention patent application withdrawn after publication |