CN102637506A - Miniature inductance component and method for manufacturing same - Google Patents
Miniature inductance component and method for manufacturing same Download PDFInfo
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- CN102637506A CN102637506A CN2012100750579A CN201210075057A CN102637506A CN 102637506 A CN102637506 A CN 102637506A CN 2012100750579 A CN2012100750579 A CN 2012100750579A CN 201210075057 A CN201210075057 A CN 201210075057A CN 102637506 A CN102637506 A CN 102637506A
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- coil
- cladding
- cover plate
- inductor
- coiling
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Abstract
Disclosed are a miniature inductance component and a method for manufacturing the same. The method includes forming a group of coils on a jig; placing the group of coils on a middle mold; covering and pressing the group of coils and the middle mold by a first cover plate provided with a channel; feeding primary powder into the channel; exerting pressure onto the first powder by the aid of an upper punch to form a first covering body; moving away the first cover plate, bending each support leg and leading windings to face upwards; covering and pressing the middle mold by a second cover plate provided a channel; feeding secondary powder into the channel; and exerting pressure onto the secondary powder by the aid of the upper punch to form a second covering body, and integrally forming a covering body by the aid of the first covering body and the second covering body. Each group consists of the corresponding winding and two corresponding support legs, a first predetermined portion of each coil is exposed to the outside via the channel of the first cover plate, and the windings and bent portions of the support legs are exposed to the outside by the channel of the second cover plate. Accordingly, a manufacturing procedure of the miniature inductance component is simplified, and the simplified miniature inductance component is obtained.
Description
Technical field
The present invention is relevant for inductor microelement and its manufacture method.
Background technology
Inductor microelement has been applied to many industry or consumer products, and relevant preceding case technology can be with reference to U.S. Pat 6204744B1, US 2006/0186975A1.
But the processing procedure of existing technology is too loaded down with trivial details and complicated, causes production cost too high.
Summary of the invention
Institute of the present invention desire solves, and provides a kind of inductor microelement and its method for making, with the making formality of simplification inductor microelement, and the inductor microelement after therefore obtaining to simplify.
The present invention discloses a kind of inductor microelement, comprises: coil comprises coiling and two legs; And one-body molded cladding, supplying the said coiling of complete coating, wherein said two legs are exposed to outside the said one-body molded cladding.
Preferably, coil is to be made up of conductor material, and one-body molded cladding is to be made up of magnetic permeable material.
Preferably, said two legs lay respectively at the two ends of one-body molded cladding.
Preferably, further comprise end silver, supply to be covered in a certain end of one-body molded cladding and to cover a leg.
Preferably, said one-body molded cladding is formed with powder metallurgy punch forming method.
The present invention also discloses a kind of manufacture method of inductor microelement, comprises:
On a smelting tool, form one group of coil, this group coil comprises a plurality of coils, and each coil comprises coiling and two legs;
Should organize coil and place on the mould, mould has sinking space to supply to hold and locate the coiling of each coil of this group coil in this;
By first cover plate cover and compacting should the group coil and in mould, this first cover plate has passage and supplies outside first predetermined portions of each coil is exposed to;
Powder is sent in this passage for the first time, makes first predetermined portions of this each coil of powder covering first time;
Utilize upper punch through said passage, clamp down on this of powder, first time to form first cladding;
Remove this first cover plate, and each leg of each coil of this group coil of bending and the coiling that makes each coil are up;
By second cover plate cover and compacting should in mould, this second cover plate has outside dogleg section that passage supplies coiling and the leg of each coil is exposed to;
With the second time powder send in the passage of this second cover plate, make this powder cover the coiling of each coil and the dogleg section of leg second time;
Utilize the passage of upper punch through this second cover plate; Clamp down on this of powder, to form second cladding, this first cladding and second cladding constitute one-body molded cladding second time; Intactly coat said coiling, wherein said two legs are exposed to outside the said one-body molded cladding.
Preferably, coil is to be made up of conductor material, and cladding is to be made up of magnetic permeable material.
Preferably, further comprise: each inductor microelement and smelting tool are broken away from.
Preferably, further comprise: certain of cladding is simultaneously ground, the enamel-cover film that is exposed on the outer leg is come off.
Preferably, further comprise: carry out silver-plated action being exposed to outer leg.
Compared with prior art, the present invention has simplified the making formality of inductor microelement, and the inductor microelement after therefore obtaining to simplify.
Below in execution mode, be described in detail detailed features of the present invention and advantage; Its content is enough to make those skilled in the art to understand technology contents of the present invention and implements according to this; And according to content, claim and the diagram that this specification disclosed, those skilled in the art can understand purpose and the advantage that the present invention is correlated with easily.
Description of drawings
Figure 1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H, 1I, 1J, 1K, 1L to 1M disclose each stage program and semi-finished product, the finished product of inductor microelement embodiment respectively.
Embodiment
For making the object of the invention, structure, characteristic and function thereof there are further understanding, cooperate embodiment to specify as follows now.
With reference to figure 1L, a kind of inductor microelement 10 of the embodiment of the invention comprises coil 100, and coil 100 comprises 101 and two legs 103 of coiling; And one-body molded cladding 108, supply the said coiling 101 of complete coating.Wherein said two legs 103 are to be exposed to outside the said one-body molded cladding 108.The facture of one-body molded cladding 108 and inductor microelement 10 details as follows.Different with prior art, the coiling 101 of this case and two legs 103 are that identical metal material constitutes.
Wherein coil 100 is to be made up of conductor material, and one-body molded cladding 108 is to be made up of magnetic permeable material.When coil 100 conduction,, and, therefore produce desired inductance value because of the electrical interaction of magnetic permeable material by the electric field of its generation.
Wherein said two legs 103 lay respectively at the two ends of one-body molded cladding 108, shown in Fig. 1 L.
Wherein inductor microelement 10 further comprises end silver 777, supplies to be covered in a certain end of one-body molded cladding 108 and to cover a leg 103.
Wherein the one-body molded cladding 108 described in the inductor microelement 10 is formed with powder metallurgy punch forming method, the following detailed description.
It below is the narration of making the method for inductor microelement 10.
01) on a smelting tool 999, form one group of coil, this group coil comprises a plurality of coils 100, and each coil 100 comprises 101 and two legs 103 of coiling;
(2) should organize coil and place on the mould 110, mould 110 has the coiling 101 that sinking space supplies to hold and locate each coil 100 of this group coil in this;
(3) cover by first cover plate 114 and compacting should the group coil and in mould 110, this first cover plate has passage 888 and supplies outside first predetermined portions 102 of each coil 100 is exposed to;
(4) for the first time powder 104 is sent in this passage 888, makes first predetermined portions 102 of this first time of powder 104 each coil 100 of covering;
(5) utilize upper punch 112 through said passage 888, clamp down on this of powder 104, first time to form the first cladding 108a;
(6) remove this first cover plate 114, and each leg 103 of each coil 100 of this group coil of bending and the coiling 101 that makes each coil 100 are up;
(7) cover by second cover plate 116 and compacting should in mould 110, outside the dogleg section that this second cover plate 116 has coiling 101 that passage supplies each coil 100 and a leg 103 is exposed to;
(8) for the second time powder 106 is sent in the passage of this second cover plate 116, makes this second time powder 106 cover the coiling 101 of each coil 100 and the dogleg section of leg 103;
(9) utilize the passage of upper punch 112 through this second cover plate 116; Clamp down on this of powder 106 second time; To form the second cladding 108b; This first cladding 108a and the second cladding 108b constitute one-body molded cladding 108, intactly coat said coiling 101, and wherein said two legs 103 are exposed to outside the said cladding 108.
So can accomplish a plurality of inductor microelements 10 like Fig. 1 K.
Then, each inductor microelement 10 and smelting tool 999 are broken away from, the enamel-cover film on the leg 103 of inductor microelement 10 does not come off as yet at this moment.
Then, further certain of cladding 108 is simultaneously ground, the enamel-cover film that is exposed on the outer leg 103 is come off, accomplish a plurality of inductor microelements 10 like Fig. 1 L.
Then, further carry out silver-plated action, and obtain having the inductor microelement 10 of end silver 777 being exposed to outer two legs 103.
Cooperate diagram can understand the technical need that the present invention can reach the desired solution of invention really by above-mentioned explanation, simplify the making formality of inductor microelement, and the inductor microelement after therefore obtaining to simplify, practicality therefore had.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is merely the example of embodiment of the present invention.Must be pointed out that the embodiment that has disclosed does not limit scope of the present invention.On the contrary, change and retouching not breaking away from the spirit and scope of the present invention to be done all belong to scope of patent protection of the present invention.
Claims (10)
1. an inductor microelement is characterized in that, comprises:
Coil comprises coiling and two legs; And
One-body molded cladding supplies the said coiling of complete coating, and wherein said two legs are exposed to outside the said one-body molded cladding.
2. inductor microelement as claimed in claim 1 is characterized in that coil is to be made up of conductor material, and one-body molded cladding is to be made up of magnetic permeable material.
3. inductor microelement as claimed in claim 1 is characterized in that, said two legs lay respectively at the two ends of one-body molded cladding.
4. inductor microelement as claimed in claim 3 is characterized in that, further comprises end silver, supplies to be covered in a certain end of one-body molded cladding and to cover a leg.
5. inductor microelement as claimed in claim 1 is characterized in that, said one-body molded cladding is formed with powder metallurgy punch forming method.
6. the manufacture method of an inductor microelement is characterized in that, comprises:
On a smelting tool, form one group of coil, this group coil comprises a plurality of coils, and each coil comprises coiling and two legs;
Should organize coil and place on the mould, mould has sinking space to supply to hold and locate the coiling of each coil of this group coil in this;
By first cover plate cover and compacting should the group coil and in mould, this first cover plate has passage and supplies outside first predetermined portions of each coil is exposed to;
Powder is sent in this passage for the first time, makes first predetermined portions of this each coil of powder covering first time;
Utilize upper punch through said passage, clamp down on this of powder, first time to form first cladding;
Remove this first cover plate, and each leg of each coil of this group coil of bending and the coiling that makes each coil are up;
By second cover plate cover and compacting should in mould, this second cover plate has outside dogleg section that passage supplies coiling and the leg of each coil is exposed to;
With the second time powder send in the passage of this second cover plate, make this powder cover the coiling of each coil and the dogleg section of leg second time;
Utilize the passage of upper punch through this second cover plate; Clamp down on this of powder, to form second cladding, this first cladding and second cladding constitute one-body molded cladding second time; Intactly coat said coiling, wherein said two legs are exposed to outside the said one-body molded cladding.
7. method as claimed in claim 6 is characterized in that coil is to be made up of conductor material, and cladding is to be made up of magnetic permeable material.
8. method as claimed in claim 6 is characterized in that, further comprises:
Each inductor microelement and smelting tool are broken away from.
9. method as claimed in claim 6 is characterized in that, further comprises:
Certain of cladding is simultaneously ground, the enamel-cover film that is exposed on the outer leg is come off.
10. method as claimed in claim 9 is characterized in that, further comprises:
Carry out silver-plated action to being exposed to outer leg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210075057.9A CN102637506B (en) | 2012-03-20 | 2012-03-20 | Miniature inductance component and method for manufacturing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210075057.9A CN102637506B (en) | 2012-03-20 | 2012-03-20 | Miniature inductance component and method for manufacturing same |
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| Publication Number | Publication Date |
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| CN102637506A true CN102637506A (en) | 2012-08-15 |
| CN102637506B CN102637506B (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210075057.9A Active CN102637506B (en) | 2012-03-20 | 2012-03-20 | Miniature inductance component and method for manufacturing same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539640A (en) * | 2020-04-14 | 2021-10-22 | 汕头市信技电子科技有限公司 | Surface mount inductor and method of manufacturing the same |
| CN113539641A (en) * | 2020-04-14 | 2021-10-22 | 汕头市信技电子科技有限公司 | Surface-mounted inductor integrated structure and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377971A (en) * | 2007-08-28 | 2009-03-04 | 台达电子工业股份有限公司 | Inner-burying type inductive element and manufacturing method thereof |
| JP2010153459A (en) * | 2008-12-24 | 2010-07-08 | Nec Tokin Corp | Structure of terminal for surface mount inductor |
| CN102034588A (en) * | 2009-09-28 | 2011-04-27 | 王仕任 | Method and device for manufacturing inductance element |
-
2012
- 2012-03-20 CN CN201210075057.9A patent/CN102637506B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377971A (en) * | 2007-08-28 | 2009-03-04 | 台达电子工业股份有限公司 | Inner-burying type inductive element and manufacturing method thereof |
| JP2010153459A (en) * | 2008-12-24 | 2010-07-08 | Nec Tokin Corp | Structure of terminal for surface mount inductor |
| CN102034588A (en) * | 2009-09-28 | 2011-04-27 | 王仕任 | Method and device for manufacturing inductance element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539640A (en) * | 2020-04-14 | 2021-10-22 | 汕头市信技电子科技有限公司 | Surface mount inductor and method of manufacturing the same |
| CN113539641A (en) * | 2020-04-14 | 2021-10-22 | 汕头市信技电子科技有限公司 | Surface-mounted inductor integrated structure and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102637506B (en) | 2014-03-12 |
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