CN106449012B - Customize SMD LED surface-mount device LED power inductor and preparation method thereof - Google Patents
Customize SMD LED surface-mount device LED power inductor and preparation method thereof Download PDFInfo
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- CN106449012B CN106449012B CN201510488834.6A CN201510488834A CN106449012B CN 106449012 B CN106449012 B CN 106449012B CN 201510488834 A CN201510488834 A CN 201510488834A CN 106449012 B CN106449012 B CN 106449012B
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- 238000002360 preparation method Methods 0.000 title abstract description 7
- 239000011247 coating layer Substances 0.000 claims abstract description 126
- 230000035699 permeability Effects 0.000 claims abstract description 118
- 239000000758 substrate Substances 0.000 claims abstract description 103
- 238000009413 insulation Methods 0.000 claims abstract description 81
- 238000010276 construction Methods 0.000 claims abstract description 52
- 238000005253 cladding Methods 0.000 claims abstract description 47
- 239000000696 magnetic material Substances 0.000 claims description 86
- 239000000463 material Substances 0.000 claims description 27
- 239000011248 coating agent Substances 0.000 claims description 24
- 238000000576 coating method Methods 0.000 claims description 24
- 239000010410 layer Substances 0.000 claims description 24
- 230000005389 magnetism Effects 0.000 claims description 22
- 239000000945 filler Substances 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000007639 printing Methods 0.000 claims description 9
- 238000000280 densification Methods 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 8
- 238000011049 filling Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
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- 230000005764 inhibitory process Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
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- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- 229910000676 Si alloy Inorganic materials 0.000 description 1
- RFIJBZKUGCJPOE-UHFFFAOYSA-N [Fe].[Ni].[Zn] Chemical compound [Fe].[Ni].[Zn] RFIJBZKUGCJPOE-UHFFFAOYSA-N 0.000 description 1
- 229940067573 brown iron oxide Drugs 0.000 description 1
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- 239000012774 insulation material Substances 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of customization SMD LED surface-mount device LED power inductor of present invention offer and preparation method thereof；It includes Magnetic Substrate, loop construction, magnetic cladding structure and end-electrode structure to customize SMD LED surface-mount device LED power inductor；Loop construction is arranged on Magnetic Substrate；Loop construction includes the insulation extension of conductive extension and coated with conductive extension；Magnetic cladding structure is arranged on Magnetic Substrate to cover loop construction；Magnetic cladding structure includes intermediate coating layer and top coating layer, and intermediate coating layer has around one around portion；Magnetic Substrate has the first predetermined relative permeability, around around portion there is the second predetermined relative permeability, intermediate coating layer there is the predetermined relative permeability of third, top coating layer to have the 4th predetermined relative permeability.Customize SMD LED surface-mount device LED power inductor electrical characteristic with first, second and third and four predetermined relative permeability numerical values recited difference and be adjusted, to meet the demand of customization.
Description
Technical field
The present invention relates to a kind of power inductor and preparation method thereof more particularly to a kind of customization SMD LED surface-mount device LED power
Inductor and preparation method thereof.
Background technology
In general, existing power inductor includes circuit board, coil and shell.Coil is attached on circuit board.
Extend the first conducting wire and the second conducting wire from shell, and the first conducting wire and the second conducting wire respectively with the pad phase on circuit board
Welding.Coil is then to form a winding body using the upright flat wire that a section is square, and coil becomes helical form
And with most circles, and coil includes inner end and outboard end.One lead frame with two end respectively in winding body
Side and outboard end are welded into one.Then, the winding body for being welded with conducting wire is placed in mold, and is injected in mold
Preferably gelatinous said magnetic powder material.Become block after said magnetic powder material drying, after demoulding, the part of lead frame is cut
It is disconnected to get to existing power inductor.However, the overall structure of existing power inductor and production method are excessively complicated,
Therefore how to solve the above problems, it has also become those skilled in the art's one of important topic to be solved.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of customization surface mount in view of the deficiencies of the prior art
Type power inductor and preparation method thereof.
A kind of customization SMD LED surface-mount device LED power inductor that a present invention wherein embodiment is provided comprising：One magnetic
Property substrate, a loop construction, a magnetic cladding structure and an end-electrode structure.The loop construction setting is in the magnetic base
On plate, wherein the loop construction includes the insulation extension of a conductive extension and a cladding conductive extension, it is described
Conductive extension and the insulation extension extend all along a desired trajectory, and the conductive extension has one first conduction
End and second conductive tips relative to first conductive tips；The magnetism cladding structure setting is in the magnetic base
On plate, to cover the loop construction, wherein the magnetism cladding structure includes a setting on the Magnetic Substrate and connects
The top on the loop construction and the intermediate coating layer is arranged in the intermediate coating layer of the insulation extension and one to drape over one's shoulders
Coating, the conductive extension with the magnetic cladding structure by the isolation of the insulation extension to be electrically insulated from,
First conductive tips and second conductive tips of the conductive extension are all exposed from the intermediate coating layer and go out,
The intermediate coating layer has around one around portion；The end-electrode structure includes first conductive tips in electrical contact
First end electrode portion and one correspond to the first end electrode portion and second conductive tips in electrical contact the second termination electrode
Portion, wherein the first end electrode portion is arranged on a wherein side for the intermediate coating layer and coats the Magnetic Substrate
A portion of a portion and the top coating layer, and the second end electrode portion is arranged in the intermediate coating layer
Other side end on and the another part of the cladding Magnetic Substrate and the another part of the top coating layer；Its
In, there is the Magnetic Substrate one first predetermined relative permeability, the surrounding to have one second to make a reservation for opposite lead around portion
There is the predetermined relative permeability of a third, the top coating layer to have one the 4th to make a reservation for for magnetic system number, the intermediate coating layer
The predetermined relative permeability of the third of relative permeability, the central filler portion is greater than or equal to the top coating layer
The 4th predetermined relative permeability, the 4th predetermined relative permeability of the top coating layer is greater than or equal to
Described first predetermined relative permeability of the Magnetic Substrate, and the described first predetermined opposite magnetic conduction system of the Magnetic Substrate
Number is greater than or equal to the described second predetermined relative permeability around portion around described；Wherein, the customization surface mount
The electrical characteristic of type power inductor with the described first predetermined relative permeability, the second predetermined relative permeability,
The difference of the numerical values recited of the predetermined relative permeability of third and the 4th predetermined relative permeability and be adjusted.
The intermediate coating layer has a centre for being seamlessly connected to the insulation extension and being surrounded by the insulation extension
Filling part, the surrounding is seamlessly connected to the insulation extension around portion and surrounds the insulation extension, and the top
End coating layer be seamlessly connected to the central filler portion, it is described around around portion and the insulation extension, wherein described the
One predetermined relative permeability, the second predetermined relative permeability, the predetermined relative permeability of the third and described
The range of four predetermined relative permeabilities is all between 1 to 53.
The Magnetic Substrate is made by one first predetermined soft magnetic materials, and the insulation extension is by one second predetermined soft magnetism
Made by material, for the intermediate coating layer made by the predetermined soft magnetic materials of a third, the top coating layer is pre- by one the 4th
Determine made by soft magnetic materials, and the first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the predetermined soft magnetism of the third
Material and the 4th predetermined soft magnetic materials are the complete phase exclusive or different soft magnetic materials in part each other each other, wherein described lead
It is a conductive metal wire, a conductive metal foil, conductive one of a printing layer and a conductive electroplated layer to electrically extend portion,
And the conductive extension is extended along the upward serpentine shape track of a upward spiral trajectory or one.
A kind of customization SMD LED surface-mount device LED power inductor that the other embodiment of the present invention is provided comprising：One magnetic
Property substrate, a loop construction, a magnetic cladding structure and an end-electrode structure.The loop construction setting is in the magnetic base
On plate, wherein the loop construction includes the insulation extension of a conductive extension and a cladding conductive extension, it is described
Conductive extension and the insulation extension extend all along a desired trajectory, and the conductive extension has one first conduction
End and second conductive tips relative to first conductive tips；The magnetism cladding structure setting is in the magnetic base
On plate, to cover the loop construction, wherein the magnetism cladding structure includes a setting on the Magnetic Substrate and connects
The top on the loop construction and the intermediate coating layer is arranged in the intermediate coating layer of the insulation extension and one to drape over one's shoulders
Coating, the conductive extension with the magnetic cladding structure by the isolation of the insulation extension to be electrically insulated from,
First conductive tips and second conductive tips of the conductive extension are all exposed from the intermediate coating layer and go out,
The intermediate coating layer has around one around portion；The end-electrode structure includes first conductive tips in electrical contact
First end electrode portion and one correspond to the first end electrode portion and second conductive tips in electrical contact the second termination electrode
Portion, wherein the first end electrode portion is arranged on a wherein side for the intermediate coating layer and coats the Magnetic Substrate
A portion of a portion and the top coating layer, and the second end electrode portion is arranged in the intermediate coating layer
Other side end on and the another part of the cladding Magnetic Substrate and the another part of the top coating layer；Its
In, the Magnetic Substrate is made by one first predetermined soft magnetic materials, and the insulation extension is by one second predetermined soft magnetic materials
Made, for the intermediate coating layer made by the predetermined soft magnetic materials of a third, the top coating layer is predetermined soft by one the 4th
Made by magnetic material, and the first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the predetermined soft magnetism material of the third
Material and the 4th predetermined soft magnetic materials are the complete phase exclusive or different soft magnetic materials in part each other each other；Wherein, the customization
Change the electrical characteristic of SMD LED surface-mount device LED power inductor with the described first predetermined soft magnetic materials, the second predetermined soft magnetism material
Material, the predetermined soft magnetic materials of the third and the 4th predetermined soft magnetic materials are adjusted using the difference of material.
The intermediate coating layer has one to be seamlessly connected to the insulation extension and enclosed by the insulation extension
Around central filler portion, it is described around around portion be seamlessly connected to the insulation extension and surround the insulation extension,
And the top coating layer is seamlessly connected to the central filler portion, the surrounding surround portion and the insulation extension,
Described in the conductive extension be a conductive metal wire, a conductive metal foil, a conductive printing layer and a conductive electroplated layer four
One of person, and the conductive extension is prolonged along the upward serpentine shape track of a upward spiral trajectory or one
It stretches.
There is the Magnetic Substrate one first predetermined relative permeability, the surrounding to have one second predetermined phase around portion
To magnetic capacity, there is the intermediate coating layer the predetermined relative permeability of a third, the top coating layer to have one the 4th
The predetermined relative permeability of the third of predetermined relative permeability, the central filler portion is draped over one's shoulders more than or equal to the top
The 4th predetermined relative permeability of the 4th predetermined relative permeability of coating, the top coating layer be more than or
Equal to the described first predetermined relative permeability of the Magnetic Substrate, and described the first of the Magnetic Substrate makes a reservation for opposite lead
Magnetic system number is greater than or equal to the described second predetermined relative permeability around portion around described, wherein described first is predetermined opposite
Magnetic capacity, the second predetermined relative permeability, the predetermined relative permeability of the third and the described 4th make a reservation for opposite
The range of magnetic capacity is all between 1 to 53.
A kind of production method for customization SMD LED surface-mount device LED power inductor that the other embodiment of the present invention is provided,
Include the following steps：An initial Magnetic Substrate unit is provided, wherein the initial Magnetic Substrate unit is by multiple Magnetic Substrate institutes
Composition；An initial magnetic coil unit is formed on the initial Magnetic Substrate unit, wherein the initial magnetic coil unit
It is made of multiple loop constructions being separately positioned on multiple Magnetic Substrates, each described loop construction is led including one
The insulation extension of portion and a cladding conductive extension is electrically extended, and the conductive extension and the insulation extension are all
Extend along a desired trajectory；An initial magnetic coating unit is formed on the initial Magnetic Substrate unit, described in covering
Initial magnetic coil unit, wherein the initial magnetic coating unit by it is multiple be separately positioned on multiple Magnetic Substrates with
The magnetic cladding structure for being covered each by multiple loop constructions is formed, each described magnetic cladding structure includes a setting
On the Magnetic Substrate and be connected to the insulation extension intermediate coating layer and one be arranged in the loop construction and institute
The top coating layer on intermediate coating layer is stated, the conductive extension passes through the insulation extension with the magnetic cladding structure
Isolation to be electrically insulated from, the intermediate coating layer has around one around portion；Cut the initial Magnetic Substrate unit,
The initial magnetic coil unit and the initial magnetic coating unit, to form multiple granular electronic components, wherein described first
Beginning Magnetic Substrate unit is cut to detach multiple Magnetic Substrates, and the initial magnetic coil unit is cut more to detach
A loop construction, the initial magnetic coating unit are cut to detach multiple magnetic cladding structures, and each
The granular electronic component is made of the Magnetic Substrate, the loop construction and the magnetic cladding structure；At 200 DEG C
Densification is carried out at a temperature of between 900 DEG C, while by multiple granular electronic components；And in each institute
It states and is respectively formed a first end electrode portion and a second end electrode portion on two opposite side ends of granular electronic component, described in completion
The making of SMD LED surface-mount device LED power inductor is customized, wherein the conductive extension has one first conductive tips and one relatively
In the second conductive tips of first conductive tips, first conductive tips of the conductive extension and described second lead
Electric end is all exposed from the intermediate coating layer and goes out, with the first end electrode portion in electrical contact respectively and second end electricity
Pole portion, wherein the first end electrode portion is arranged on a wherein side for the intermediate coating layer and coats the Magnetic Substrate
A portion and the top coating layer a portion, and the second end electrode portion be arranged in the intermediate coating
On the other side end of layer and coat the another part of the Magnetic Substrate and the another part of the top coating layer.
There is the Magnetic Substrate one first predetermined relative permeability, the surrounding to have one second predetermined phase around portion
To magnetic capacity, there is the intermediate coating layer the predetermined relative permeability of a third, the top coating layer to have one the 4th
The predetermined relative permeability of the third of predetermined relative permeability, the central filler portion is draped over one's shoulders more than or equal to the top
The 4th predetermined relative permeability of the 4th predetermined relative permeability of coating, the top coating layer be more than or
Equal to the described first predetermined relative permeability of the Magnetic Substrate, and described the first of the Magnetic Substrate makes a reservation for opposite lead
Magnetic system number is greater than or equal to the described second predetermined relative permeability around portion around described, wherein described first is predetermined opposite
Magnetic capacity, the second predetermined relative permeability, the predetermined relative permeability of the third and the described 4th make a reservation for opposite
The range of magnetic capacity all between 1 to 53, and it is described customize SMD LED surface-mount device LED power inductor electrical characteristic with
The first predetermined relative permeability, the second predetermined relative permeability, the predetermined relative permeability of the third and
The difference of the numerical values recited of the 4th predetermined relative permeability and be adjusted.
The Magnetic Substrate is made by one first predetermined soft magnetic materials, and the insulation extension is by one second predetermined soft magnetism
Made by material, for the intermediate coating layer made by the predetermined soft magnetic materials of a third, the top coating layer is pre- by one the 4th
Determine made by soft magnetic materials, and the first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the predetermined soft magnetism of the third
Material and the 4th predetermined soft magnetic materials are the complete phase exclusive or different soft magnetic materials in part each other each other, wherein described fixed
The electrical characteristic of inhibition and generation SMD LED surface-mount device LED power inductor is with the described first predetermined soft magnetic materials, the second predetermined soft magnetism material
Material, the predetermined soft magnetic materials of the third and the 4th predetermined soft magnetic materials are adjusted using the difference of material.
The intermediate coating layer has one to be seamlessly connected to the insulation extension and enclosed by the insulation extension
Around central filler portion, it is described around around portion be seamlessly connected to the insulation extension and surround the insulation extension,
And the top coating layer is seamlessly connected to the central filler portion, the surrounding surround portion and the insulation extension,
Described in the conductive extension be a conductive metal wire, a conductive metal foil, a conductive printing layer and a conductive electroplated layer four
One of person, and the conductive extension is prolonged along the upward serpentine shape track of a upward spiral trajectory or one
It stretches.
Beneficial effects of the present invention can be, the electrical characteristic for customizing SMD LED surface-mount device LED power inductor with
The first predetermined relative permeability, the second predetermined relative permeability, the predetermined relative permeability of the third and
The difference of the numerical values recited of the 4th predetermined relative permeability and be adjusted.Either, the customization SMD LED surface-mount device LED
The electrical characteristic of power inductor is pre- with the described first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the third
Determine being adjusted using the difference of material for soft magnetic materials and the 4th predetermined soft magnetic materials.
For the enabled feature and technology contents for being further understood that the present invention, please refer to below in connection with the present invention specifically
Bright and attached drawing, however appended attached drawing is only for reference and description, and is not intended to limit the present invention.
Description of the drawings
Fig. 1 is that the stereoscopic schematic diagram on Magnetic Substrate is arranged in the loop construction of the present invention；
Fig. 2 is the stereoscopic schematic diagram of the customization SMD LED surface-mount device LED power inductor of a wherein embodiment of the invention；
Fig. 3 is the diagrammatic cross-section of the A-A face lines of Fig. 2；
Fig. 4 is the stereoscopic schematic diagram of the customization SMD LED surface-mount device LED power inductor of the other embodiment of the present invention；
Fig. 5 is the flow chart of the production method of the customization SMD LED surface-mount device LED power inductor of the present invention；
Fig. 6 is cuing open for the step S100 and S102 of the production method of the customization SMD LED surface-mount device LED power inductor of the present invention
Face schematic diagram；
Fig. 7 is the section signal of the step S104 of the production method of the customization SMD LED surface-mount device LED power inductor of the present invention
Figure；
Fig. 8 is cuing open for the step S106 and S108 of the production method of the customization SMD LED surface-mount device LED power inductor of the present invention
Face schematic diagram；
Fig. 9 is the section signal of the step S110 of the production method of the customization SMD LED surface-mount device LED power inductor of the present invention
Figure；
Figure 10 is different straight used by the present invention customizes SMD LED surface-mount device LED power inductor in different embodiments
Flow the curve graph of bias (amps) obtained corresponding inductance value (μ H).
【Reference sign】
SMD LED surface-mount device LED power inductor Z
Granular electronic component G
Initial Magnetic Substrate unit 1 '
Magnetic Substrate 1
Initial magnetic coil unit 2 '
2 conductive extension 21 of loop construction
First conductive tips 211
Second conductive tips 212
Insulation extension 22
Initial magnetism coating unit 3 '
3 intermediate coating layer 31 of magnetic cladding structure
Central filler portion 311
Surrounding is around portion 312
Top coating layer 32
4 first end electrode portion 41 of end-electrode structure
Second end electrode portion 42
Specific implementation mode
It is to illustrate related " customization SMD LED surface-mount device LED power disclosed in this invention by specific specific example below
The embodiment of inductor and preparation method thereof ", those skilled in the art can understand this by content disclosed in this specification
The advantages of invention and technique effect.The present invention can be implemented or be applied by other different specific embodiments, this specification
In every details may be based on different viewpoints with application, it is without departing from the spirit it is lower carry out it is various modification and change.
In addition, the attached drawing of the present invention is only simple schematically illustrate, not according to the description of actual size, illustrate hereby.Embodiment party below
The relevant technologies content of the present invention will be explained in further detail in formula, but disclosure of that is not the technology for being used for limiting the present invention
Scope.
Shown in please referring to Fig.1 to Fig.3, wherein Fig. 3 is the diagrammatic cross-section of the A-A face lines of Fig. 2.The present invention provides a kind of
Customize SMD LED surface-mount device LED power inductor Z comprising：The magnetic cladding structure 3 of one Magnetic Substrate 1, a loop construction 2, one and
One end-electrode structure 4.
First, in conjunction with shown in Fig. 1 and Fig. 3, loop construction 2 is arranged on Magnetic Substrate 1.More specifically, coil knot
Structure 2 includes the insulation extension 22 of a conductive extension 21 and a coated with conductive extension 21, and conductive extension 21 has
Second conductive tips 212 of one first conductive tips 211 and one relative to the first conductive tips 211.More specifically, conductive
Extension 21 and insulation extension 22 can all be extended along a desired trajectory.For example, as shown in Figure 1, conductive extend
Portion 21 and insulation extension 22 can all be extended along a upward spiral trajectory, and conductive extension 21 belongs to line
The inner ring extension of coil structures 2, and insulation extension 22 then belongs to the outer ring extension of loop construction 2.In addition, according to different
Design requirement, conductive extension 21 can be formed by conduction for a conductive metal wire, a conductive metal foil, one by printing process
Printing layer and one one of conductive electroplated layer is formed by by electro-plating method, however the present invention is not exemplified as with this
Limit.
In addition, in conjunction with shown in Fig. 2 and Fig. 3, magnetic cladding structure 3 is arranged on Magnetic Substrate 1, to cover loop construction 2.
More specifically, magnetic cladding structure 3 includes one being arranged on Magnetic Substrate 1 and being connected to the centre of insulation extension 22 and drape over one's shoulders
The top coating layer 32 on loop construction 2 and intermediate coating layer 31 is arranged in coating 31 and one, and conductive extension 21 is draped over one's shoulders with magnetism
Covering structure 3 can be by the isolation of insulation extension 22 to be electrically insulated from, and the first conductive tips of conductive extension 21
211 and second conductive tips 212 all can be exposed from intermediate coating layer 31 and go out.For example, intermediate coating layer 31 has a nothing
Seam ground is connected to insulation extension 22 and is seamlessly connected to by central filler portion 311 that insulation extension 22 is surrounded and one exhausted
Edge extension 22 and the circular portion 312 around insulation extension 22, and top coating layer 32 is seamlessly connected to centre
Filling part 311, surrounding are around portion 312 and insulation extension 22.Whereby, intermediate coating layer 31 and top coating layer 32 all can nothings
Seam ground is connected to insulation extension 22 so that do not had between insulation extension 22 and centre coating layer 31 any gap or
Gap generates, and there will not be any gap or gap between insulation extension 22 and top coating layer 32 and generate.
In addition, in conjunction with shown in Fig. 2 and Fig. 3, end-electrode structure 4 includes the first of first conductive tips 211 in electrical contact
Termination electrode portion 41 and one corresponds to the second end electrode portion 42 of first end electrode portion 41 and the second conductive tips 212 in electrical contact.
For example, first end electrode portion 41 be arranged on a wherein side for intermediate coating layer 31 and coated magnetic substrate 1 wherein
A portion of a part and top coating layer 32, and second end electrode portion 42 is arranged other the one of intermediate coating layer 31
On side and the another part of the another part of coated magnetic substrate 1 and top coating layer 32.
It is worth noting that, Magnetic Substrate 1 has one first predetermined relative permeability (relative
Permeability) 1 μ around around portion 312 there is one second predetermined relative permeability μ 2, intermediate coating layer 31 to have one
The predetermined relative permeability μ 3 of third, top coating layer 32 have one the 4th predetermined relative permeability μ 4.More specifically,
The predetermined relative permeability μ 3 of third in central filler portion 311 is greater than or equal to the 4th predetermined opposite magnetic conduction of top coating layer 32
Coefficient μ 4, the 4th predetermined relative permeability μ 4 of top coating layer 32 are greater than or equal to the first of Magnetic Substrate 1 and make a reservation for relatively
Magnetic capacity μ 1, and the first predetermined relative permeability μ 1 of Magnetic Substrate 1 is greater than or equal to surrounding around the second pre- of portion 312
Determine relative permeability μ 2.For example, the first predetermined relative permeability μ 1, the second predetermined relative permeability μ 2, third
The range of 3 and the 4th predetermined relative permeability μ 4 of predetermined relative permeability μ all between 1 to 53 (may be, for example, 1 to
Between 26 or between 26 to 53), so the first predetermined relative permeability μ 1, the second predetermined relative permeability μ 2, third
Relationship between 3 and the 4th predetermined relative permeability μ 4 of predetermined relative permeability μ may conform to 53≤μ, 3≤μ, 4≤μ, 1≤μ 2
≤ 1 conditional, however the present invention is not illustrated with this and is limited.For example, as shown in Figure 10, Figure 10 displays present invention customizes
SMD LED surface-mount device LED power inductor Z is employed in different embodiments (as shown in the table, using different relative permeabilities)
The obtained corresponding inductance value (μ H) of different Dc biases (amps) curve graph.
| μ1 | μ2 | μ3 | μ4 | Inductance initial value (μ H) | |
| Embodiment 1 | 15 | 15 | 15 | 15 | 0.99 |
| Embodiment 2 | 20 | 15 | 35 | 20 | 1.95 |
| Embodiment 3 | 30 | 20 | 60 | 30 | 4.51 |
| Embodiment 4 | 50 | 30 | 80 | 50 | 6.84 |
Whereby, electrical characteristic (such as inductance value, rated current, the direct current resistance of SMD LED surface-mount device LED power inductor Z is customized
Anti- and operating temperature range etc.) it can be with the first predetermined relative permeability μ 1, the second predetermined relative permeability μ 2, the
The difference of the numerical values recited of three predetermined relative permeability μ 3 and the 4th predetermined relative permeability μ 4 and be adjusted to and meet not
With the requirement of client.In other words, designer can be by changing the predetermined opposite magnetic conductions of the first predetermined relative permeability μ 1, second
The numerical values recited of predetermined 3 and the 4th predetermined relative permeability μ 4 of relative permeability μ of coefficient μ 2, third customizes to adjust
The electrical characteristic of SMD LED surface-mount device LED power inductor Z can be determined with meeting the requirement of different clients so that the present invention has
The advantage of inhibition and generation.
More specifically, Magnetic Substrate 1 is made by one first predetermined soft magnetic materials, and insulation extension 22 is by one second
Made by predetermined soft magnetic materials, intermediate coating layer 31 is made by the predetermined soft magnetic materials of a third, and top coating layer 32 is by one
Made by four predetermined soft magnetic materials, and the first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the predetermined soft magnetic materials of third,
And the 4th predetermined soft magnetic materials be the complete phase exclusive or different soft magnetic materials in part each other each other.For example, scheduled soft magnetism
Material can be iron powder system (Iron based metal), as carbonyl iron dust (CIP), iron alusil alloy (FeAlSi alloy,
Sendust), siderochrome silicon alloy (FeCrSi alloy), ferro-silicium (FeSi alloy) etc.；Alternatively, scheduled soft magnetism material
Material can be brown iron oxide system (ferrite based oxide), nickel zinc iron powder (Ni-Zn ferrite), ambrose alloy zinc-iron powder
(Ni-Cu-Zn ferrite) or MnZn iron powder (Mn-Zn ferrite) etc..
Whereby, the electrical characteristic of SMD LED surface-mount device LED power inductor Z is customized also with the first predetermined soft magnetic materials, the
Two predetermined soft magnetic materials, the predetermined soft magnetic materials of third and the 4th predetermined soft magnetic materials are adjusted to using the difference of material
Meet the requirement of different clients.In other words, designer also can be by changing the first predetermined soft magnetic materials, the second predetermined soft magnetism material
Material, the predetermined soft magnetic materials of third and the 4th predetermined soft magnetic materials adjust customization SMD LED surface-mount device LED using the difference of material
The electrical characteristic of power inductor Z, to meet the requirement of different clients, so that the present invention has the excellent of customizable
Gesture.
It is noted that as shown in figure 4, conductive extension 21 may be designed as coming along a upward serpentine shape track
Extended.
It please refers to shown in Fig. 5 to Fig. 9, the present invention further provides a kind of customization SMD LED surface-mount device LED power inductor Z
Production method comprising the following steps：
First, in conjunction with shown in Fig. 5 and Fig. 6, an initial Magnetic Substrate unit 1 ' is provided, as shown in S 100, wherein initial magnetic
Property base board unit 1 ' is made of multiple Magnetic Substrates 1.Then, an initial magnetic coil unit 2 ' is formed in initial Magnetic Substrate
On unit 1 ', as shown in S 102, wherein initial magnetic coil unit 2 ' is separately positioned on by multiple on multiple Magnetic Substrates 1
Loop construction 2 is formed.More specifically, each loop construction 2 includes that a conductive extension 21 and a coated with conductive prolong
The insulation extension 22 of extending portion 21, and conductive extension 21 and insulation extension 22 extend all along a desired trajectory.Citing
For, initial Magnetic Substrate unit 1 ' can be semiconductor wafer.
Then, in conjunction with shown in Fig. 5 and Fig. 7, an initial magnetic coating unit 3 ' is formed on initial Magnetic Substrate unit 1 ',
To cover initial magnetic coil unit 2 ', as shown in S 104, wherein initial magnetism coating unit 3 ' by it is multiple be separately positioned on it is more
It is formed with the magnetic cladding structure 3 for being covered each by multiple loop constructions 2 on a Magnetic Substrate 1.More specifically, each
Magnetic cladding structure 3 includes one being arranged on Magnetic Substrate 1 and being connected to the intermediate coating layer 31 and one of insulation extension 22 and set
The top coating layer 32 on loop construction 2 and intermediate coating layer 31 is set, and conductive extension 21 can with magnetic cladding structure 3
By the isolation of insulation extension 22 to be electrically insulated from.
Next, in conjunction with shown in Fig. 5 and Fig. 8, along the B-B cutting lines of Fig. 8, initial Magnetic Substrate unit 1 ', just is cut
Beginning magnetic coil unit 2 ' and initial magnetic coating unit 3 ', to form multiple granular electronic component G, (Fig. 8 is with any two grain
Shape electronic component G is illustrated), wherein initial Magnetic Substrate unit 1 ' is cut to detach multiple Magnetic Substrates 1, initial magnetic
Property coil unit 2 ' cut to detach multiple loop constructions 2, initial magnetism coating unit 3 ' is cut to detach multiple magnetism
Cladding structure 3, and each granular electronic component G is made of Magnetic Substrate 1, loop construction 2 and magnetic cladding structure 3,
As shown in S106.
And then, in conjunction with shown in Fig. 5 and Fig. 8, at a temperature of between 200 DEG C to 900 DEG C, while by multiple granular electronics
Component G carries out densification (densification treatment), as shown in S108.For example, when loop construction 2
When having the conductive metal wire of insulation material cladding for surface, densification temperature can be between 150 DEG C to 300 DEG C.When coil knot
When structure 2 is that multiple conductive metal foils are stacked with multiple insulating layers, densification temperature can be between 150 DEG C to 300 DEG C.When
When loop construction 2 is that multiple conductive printing layers are stacked with multiple insulating layers, densification temperature can be between 600 DEG C to 750 DEG C
Between.When loop construction 2 is that multiple conductive electroplated layers are stacked with multiple insulating layers, densification temperature can be between 150 DEG C
To between 300 DEG C.
Finally, in conjunction with shown in Fig. 5 and Fig. 9, one is respectively formed on the two opposite side ends of each granular electronic component G
One end electrode portion 41 and a second end electrode portion 42, to complete to customize the making of SMD LED surface-mount device LED power inductor Z, such as S110
It is shown.More specifically, conductive extension 21 has one first conductive tips 211 and one relative to the first conductive tips 211
The second conductive tips 212, the first conductive tips 211 and the second conductive tips 212 of conductive extension 21 are all from intermediate coating
Layer 31 is exposed and goes out, with first end electrode portion 41 and second end electrode portion 42 in electrical contact respectively.In addition, first end electrode portion 41
It is arranged on a wherein side for intermediate coating layer 31 and its of a portion of coated magnetic substrate 1 and top coating layer 32
A middle part, and second end electrode portion 42 is arranged on the other side end of intermediate coating layer 31 and coated magnetic substrate 1
The another part of another part and top coating layer 32.
In conclusion beneficial effects of the present invention can be, in a wherein embodiment, SMD LED surface-mount device LED work(is customized
The electrical characteristic of rate inductor Z can be pre- with the first predetermined relative permeability μ 1, the second predetermined relative permeability μ 2, third
Determine the difference of the numerical values recited of the predetermined relative permeability μ of relative permeability μ 3 and the 4th 4 and is adjusted to and meets different visitors
The requirement at family end.Either, in an other embodiment, the electrical characteristic for customizing SMD LED surface-mount device LED power inductor Z also may be used
With making for the first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the predetermined soft magnetic materials of third and the 4th predetermined soft magnetic materials
The requirement for meeting different clients is adjusted to the difference of material.
The foregoing is merely the preferable possible embodiments of the present invention, non-therefore limitation protection scope of the present invention, therefore it is all
It is the equivalence techniques variation done with description of the invention and accompanying drawing content, is both contained in protection scope of the present invention.
Claims (10)
1. a kind of customization SMD LED surface-mount device LED power inductor, which is characterized in that the customization SMD LED surface-mount device LED power inductance
Device includes：
One Magnetic Substrate；
One loop construction, the loop construction is arranged on the Magnetic Substrate, wherein the loop construction prolongs including a conduction
The insulation extension of extending portion and a cladding conductive extension, the conductive extension and the insulation extension are all along one
Desired trajectory extends, and the conductive extension have one first conductive tips and one relative to first conductive tips the
Two conductive tips；
One magnetic cladding structure, the magnetism cladding structure is arranged on the Magnetic Substrate, to cover the loop construction,
Described in magnetic cladding structure include an intermediate coating for being arranged on the Magnetic Substrate and being connected to the insulation extension
Layer and the top coating layer that is arranged on the loop construction and the intermediate coating layer, the conductive extension and the magnetic
Property cladding structure by the isolation of the insulation extension to be electrically insulated from, described the first of the conductive extension is conductive
End and second conductive tips are all exposed from the intermediate coating layer and go out, and the intermediate coating layer has to be surround around one
Portion；And
One end-electrode structure, the end-electrode structure include first conductive tips in electrical contact first end electrode portion and
One corresponds to the second end electrode portion of the first end electrode portion and second conductive tips in electrical contact, wherein described first
Termination electrode portion is arranged on a wherein side for the intermediate coating layer and coats a portion and the institute of the Magnetic Substrate
A portion of top coating layer is stated, and the second end electrode portion is arranged on the other side end of the intermediate coating layer
And coat the another part of the Magnetic Substrate and the another part of the top coating layer；
Wherein, there is the Magnetic Substrate one first predetermined relative permeability, the surrounding to have one second to make a reservation for around portion
There is the predetermined relative permeability of a third, the top coating layer to have one for relative permeability, the intermediate coating layer
The predetermined relative permeability of the third of four predetermined relative permeabilities, the central filler portion is greater than or equal to the top
The 4th predetermined relative permeability of the 4th predetermined relative permeability of coating layer, the top coating layer is more than
Or the described first predetermined relative permeability equal to the Magnetic Substrate, and described the first of the Magnetic Substrate is predetermined opposite
Magnetic capacity is greater than or equal to the described second predetermined relative permeability around portion around described；
Wherein, the electrical characteristic for customizing SMD LED surface-mount device LED power inductor is with the described first predetermined opposite magnetic conduction system
Several, the described second predetermined relative permeability, the predetermined relative permeability of the third and the 4th predetermined opposite magnetic conduction system
The difference of several numerical values reciteds and be adjusted；
The Magnetic Substrate is made by one first predetermined soft magnetic materials, and the insulation extension is by one second predetermined soft magnetic materials
Made, for the intermediate coating layer made by the predetermined soft magnetic materials of a third, the top coating layer is predetermined soft by one the 4th
Made by magnetic material, and the first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the predetermined soft magnetism material of the third
Material and the 4th predetermined soft magnetic materials are the complete phase exclusive or different soft magnetic materials in part each other each other.
2. customizing SMD LED surface-mount device LED power inductor as described in claim 1, which is characterized in that the intermediate coating layer tool
There are a central filler portion for being seamlessly connected to the insulation extension and being surrounded by the insulation extension, the surrounding ring
It is seamlessly connected to the insulation extension around portion and surrounds the insulation extension, and the top coating layer seamlessly connects
In the central filler portion, the surrounding around portion and the insulation extension, wherein the described first predetermined opposite magnetic conduction system
Several, the described second predetermined relative permeability, the predetermined relative permeability of the third and the 4th predetermined opposite magnetic conduction system
Several ranges is all between 1 to 53.
3. customizing SMD LED surface-mount device LED power inductor as described in claim 1, which is characterized in that the conductive extension is
One conductive metal wire, a conductive metal foil, conductive one of a printing layer and a conductive electroplated layer, and the conduction
Extension is extended along the upward serpentine shape track of a upward spiral trajectory or one.
4. a kind of customization SMD LED surface-mount device LED power inductor, which is characterized in that the customization SMD LED surface-mount device LED power inductance
Device includes：
One Magnetic Substrate；
One loop construction, the loop construction is arranged on the Magnetic Substrate, wherein the loop construction prolongs including a conduction
The insulation extension of extending portion and a cladding conductive extension, the conductive extension and the insulation extension are all along one
Desired trajectory extends, and the conductive extension have one first conductive tips and one relative to first conductive tips the
Two conductive tips；
One magnetic cladding structure, the magnetism cladding structure is arranged on the Magnetic Substrate, to cover the loop construction,
Described in magnetic cladding structure include an intermediate coating for being arranged on the Magnetic Substrate and being connected to the insulation extension
Layer and the top coating layer that is arranged on the loop construction and the intermediate coating layer, the conductive extension and the magnetic
Property cladding structure by the isolation of the insulation extension to be electrically insulated from, described the first of the conductive extension is conductive
End and second conductive tips are all exposed from the intermediate coating layer and go out, and the intermediate coating layer has to be surround around one
Portion；And
One end-electrode structure, the end-electrode structure include first conductive tips in electrical contact first end electrode portion and
One corresponds to the second end electrode portion of the first end electrode portion and second conductive tips in electrical contact, wherein described first
Termination electrode portion is arranged on a wherein side for the intermediate coating layer and coats a portion and the institute of the Magnetic Substrate
A portion of top coating layer is stated, and the second end electrode portion is arranged on the other side end of the intermediate coating layer
And coat the another part of the Magnetic Substrate and the another part of the top coating layer；
Wherein, for the Magnetic Substrate made by one first predetermined soft magnetic materials, the insulation extension is predetermined soft by one second
Made by magnetic material, the intermediate coating layer is made by the predetermined soft magnetic materials of a third, and the top coating layer is by one the 4th
Made by predetermined soft magnetic materials, and the first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the third make a reservation for it is soft
Magnetic material and the 4th predetermined soft magnetic materials are the complete phase exclusive or different soft magnetic materials in part each other each other；
Wherein, the electrical characteristic for customizing SMD LED surface-mount device LED power inductor is with the described first predetermined soft magnetic materials, institute
State the second predetermined soft magnetic materials, the predetermined soft magnetic materials of the third and the 4th predetermined soft magnetic materials using material not
It is adjusted together.
5. customizing SMD LED surface-mount device LED power inductor as claimed in claim 4, which is characterized in that the intermediate coating layer tool
There are a central filler portion for being seamlessly connected to the insulation extension and being surrounded by the insulation extension, the surrounding ring
It is seamlessly connected to the insulation extension around portion and surrounds the insulation extension, and the top coating layer seamlessly connects
In the central filler portion, the surrounding around portion and the insulation extension, wherein the conductive extension is led for one
Electric metal line, a conductive metal foil, conductive one of a printing layer and a conductive electroplated layer, and the conductive extension
Portion is extended along the upward serpentine shape track of a upward spiral trajectory or one.
6. customizing SMD LED surface-mount device LED power inductor as claimed in claim 4, which is characterized in that the Magnetic Substrate has
One first predetermined relative permeability, the surrounding have one second predetermined relative permeability, the intermediate coating around portion
Layer has the predetermined relative permeability of a third, and the top coating layer has one the 4th predetermined relative permeability, in described
Between the predetermined relative permeability of the third of filling part be greater than or equal to the described 4th predetermined opposite of the top coating layer
The 4th predetermined relative permeability of magnetic capacity, the top coating layer is greater than or equal to the described of the Magnetic Substrate
First predetermined relative permeability, and the described first predetermined relative permeability of the Magnetic Substrate is more than the surrounding and surround
The described second predetermined relative permeability in portion, wherein the first predetermined relative permeability, described second predetermined opposite leading
The range of magnetic system number, the predetermined relative permeability of the third and the 4th predetermined relative permeability all between 1 to 53 it
Between.
7. a kind of production method customizing SMD LED surface-mount device LED power inductor, which is characterized in that the customization surface mount
The production method of type power inductor includes the following steps：
An initial Magnetic Substrate unit is provided, wherein the initial Magnetic Substrate unit is made of multiple Magnetic Substrates；
An initial magnetic coil unit is formed on the initial Magnetic Substrate unit, wherein the initial magnetic coil unit by
Multiple loop constructions being separately positioned on multiple Magnetic Substrates are formed, each described loop construction includes one conductive
The insulation extension of extension and a cladding conductive extension, and the conductive extension and the insulation extension all edges
Desired trajectory extension；
An initial magnetic coating unit is formed on the initial Magnetic Substrate unit, to cover the initial magnetic coil list
Member, wherein the initial magnetic coating unit is separately positioned on multiple Magnetic Substrates by multiple to be covered each by multiple institutes
The magnetic cladding structure for stating loop construction is formed, each described magnetic cladding structure includes a setting in the Magnetic Substrate
Intermediate coating layer that is upper and being connected to the insulation extension and a setting are on the loop construction and the intermediate coating layer
Top coating layer, the conductive extension is with the magnetic cladding structure by the isolation of the insulation extension with electric each other
Property insulation, the intermediate coating layer has around one around portion；
The initial Magnetic Substrate unit, the initial magnetic coil unit and the initial magnetic coating unit are cut, with shape
At multiple granular electronic components, wherein the initial Magnetic Substrate unit is cut to detach multiple Magnetic Substrates, it is described
Initial magnetic coil unit is cut to detach multiple loop constructions, and the initial magnetic coating unit is cut to detach
Multiple magnetic cladding structures, and each described granular electronic component is by the Magnetic Substrate, the loop construction and institute
Magnetic cladding structure is stated to be formed；
Densification is carried out at a temperature of between 200 DEG C to 900 DEG C, while by multiple granular electronic components；And
A first end electrode portion and second end electricity are respectively formed on two opposite side ends of each granular electronic component
Pole portion, to complete the making for customizing SMD LED surface-mount device LED power inductor, wherein the conductive extension has one first
Conductive tips and second conductive tips relative to first conductive tips, described the first of the conductive extension are conductive
End and second conductive tips are all exposed from the intermediate coating layer and go out, with first termination electrode in electrical contact respectively
Portion and the second end electrode portion, wherein the first end electrode portion be arranged on a wherein side for the intermediate coating layer and
A portion of the Magnetic Substrate and a portion of the top coating layer are coated, and the second end electrode portion is set
It sets on the other side end of the intermediate coating layer and coats the another part of the Magnetic Substrate and the top coating
The another part of layer；
There is the Magnetic Substrate one first predetermined relative permeability, the surrounding to have one second to make a reservation for opposite lead around portion
There is the predetermined relative permeability of a third, the top coating layer to have one the 4th to make a reservation for for magnetic system number, the intermediate coating layer
Relative permeability, and the first predetermined relative permeability, the second predetermined relative permeability, the third are predetermined
The range of relative permeability and the 4th predetermined relative permeability is all between 1 to 53.
8. the production method for customizing SMD LED surface-mount device LED power inductor as claimed in claim 7, which is characterized in that in described
Between the predetermined relative permeability of the third of filling part be greater than or equal to the described 4th predetermined opposite of the top coating layer
The 4th predetermined relative permeability of magnetic capacity, the top coating layer is greater than or equal to the described of the Magnetic Substrate
First predetermined relative permeability, and the described first predetermined relative permeability of the Magnetic Substrate is greater than or equal to the week
Collarette around portion the described second predetermined relative permeability, and it is described customize SMD LED surface-mount device LED power inductor electrical characteristic
With the described first predetermined relative permeability, the second predetermined relative permeability, the predetermined opposite magnetic conduction system of the third
The difference of the numerical values recited of number and the 4th predetermined relative permeability and be adjusted.
9. the production method for customizing SMD LED surface-mount device LED power inductor as claimed in claim 7, which is characterized in that the magnetic
Property substrate is made by one first predetermined soft magnetic materials, and the insulation extension is made by one second predetermined soft magnetic materials, institute
Intermediate coating layer is stated made by the predetermined soft magnetic materials of a third, the top coating layer is made by one the 4th predetermined soft magnetic materials
At, and the first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the predetermined soft magnetic materials of the third and described
Four predetermined soft magnetic materials are the complete phase exclusive or different soft magnetic materials in part each other each other, wherein the customization SMD LED surface-mount device LED
The electrical characteristic of power inductor is pre- with the described first predetermined soft magnetic materials, the second predetermined soft magnetic materials, the third
Determine being adjusted using the difference of material for soft magnetic materials and the 4th predetermined soft magnetic materials.
10. the production method for customizing SMD LED surface-mount device LED power inductor as claimed in claim 7, which is characterized in that described
Intermediate coating layer has a central filler for being seamlessly connected to the insulation extension and being surrounded by the insulation extension
Portion, the surrounding is seamlessly connected to the insulation extension around portion and surrounds the insulation extension, and the top is draped over one's shoulders
Coating is seamlessly connected to the central filler portion, the surrounding around portion and the insulation extension, wherein described lead
It is a conductive metal wire, a conductive metal foil, conductive one of a printing layer and a conductive electroplated layer to electrically extend portion,
And the conductive extension is extended along the upward serpentine shape track of a upward spiral trajectory or one.
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| CN1343996A (en) * | 2000-09-08 | 2002-04-10 | 株式会社村田制作所 | Inductor and method of mfg. same |
| CN101615490A (en) * | 2007-06-26 | 2009-12-30 | 胜美达集团株式会社 | Coil component |
| CN102915825A (en) * | 2011-08-05 | 2013-02-06 | 太阳诱电株式会社 | Laminated inductor |
| CN103093947A (en) * | 2011-11-07 | 2013-05-08 | 三星电机株式会社 | Layered inductor and manufacturing method fo the same |
| CN103366919A (en) * | 2012-03-26 | 2013-10-23 | Tdk株式会社 | Planar coil element |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101792281B1 (en) * | 2012-12-14 | 2017-11-01 | 삼성전기주식회사 | Power Inductor and Manufacturing Method for the Same |
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|---|---|---|---|---|
| US3068433A (en) * | 1954-04-15 | 1962-12-11 | Sylvania Electric Prod | Electromagnetic coils |
| CN1343996A (en) * | 2000-09-08 | 2002-04-10 | 株式会社村田制作所 | Inductor and method of mfg. same |
| CN101615490A (en) * | 2007-06-26 | 2009-12-30 | 胜美达集团株式会社 | Coil component |
| CN102915825A (en) * | 2011-08-05 | 2013-02-06 | 太阳诱电株式会社 | Laminated inductor |
| CN103093947A (en) * | 2011-11-07 | 2013-05-08 | 三星电机株式会社 | Layered inductor and manufacturing method fo the same |
| CN103366919A (en) * | 2012-03-26 | 2013-10-23 | Tdk株式会社 | Planar coil element |
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