CN102637507A - Miniature inductance component and method for manufacturing same - Google Patents
Miniature inductance component and method for manufacturing same Download PDFInfo
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- CN102637507A CN102637507A CN2012100750795A CN201210075079A CN102637507A CN 102637507 A CN102637507 A CN 102637507A CN 2012100750795 A CN2012100750795 A CN 2012100750795A CN 201210075079 A CN201210075079 A CN 201210075079A CN 102637507 A CN102637507 A CN 102637507A
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- cladding
- body molded
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Abstract
Disclosed are a miniature inductance component and a method for manufacturing the same. The method includes providing a support and a first middle mold provided with a plurality of recessed spaces; placing the support into the first middle mold; placing primary powder into the recessed spaces; exerting pressure onto the primary powder by the aid of an upper punch to form first covering bodies; carrying out a winding program to form a plurality of coils; placing the coils, the support and the first covering bodies into a second middle mold provided with a plurality of recessed spaces; placing secondary powder into the recessed spaces and leading the secondary powder to cover the coils and the first covering bodies; and exerting pressure onto the secondary powder by the upper punch to form second covering bodies, and leading a covering body integrally formed by the first covering bodies and the second covering bodies to completely cover windings. Each coil consists of the corresponding winding and two support legs and is positioned above the corresponding first covering body. 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 at present, 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 provides a kind of inductor microelement, comprises coil, and this coil comprises coiling and two legs; And one-body molded cladding, supplying the said coiling of complete coating, one-body molded cladding has two relative side surfaces, and wherein said two legs are exposed to outside the said one-body molded cladding, and said two legs lay respectively on two side surfaces.
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, described inductor microelement further comprises end silver, supplies to be covered in the end with leg of one-body molded cladding and to cover this leg.
Preferably, said one-body molded cladding is formed with powder metallurgy punch forming method.
The present invention also provides a kind of manufacture method of inductor microelement, and said inductor microelement comprises coil and one-body molded cladding, and this manufacture method comprises the following step:
Mould in support and first is provided, these a plurality of sinking space of mould in first;
Support is inserted this in first among the mould;
Powder is placed in said a plurality of sinking space for the first time;
Utilize upper punch to clamp down on powder for the first time, to form first cladding;
Utilize this support and this first cladding, carry out the coiling program, to form a plurality of coils, each coil comprises coiling and two legs, and this each coil is positioned at said first cladding top;
Said a plurality of coils, support and first cladding are inserted mould in second, these a plurality of sinking space of mould in second, each sinking space is held a coil and one first cladding;
For the second time powder is placed in said a plurality of sinking space, makes this second time of powder this coil of covering and said first cladding;
Utilize upper punch to clamp down on this of powder second time; To form second cladding; This first cladding and second cladding constitute said one-body molded cladding, intactly coat said coiling, and 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, described method further comprises: each inductor microelement and support are broken away from.
Preferably, described method further comprises: two side surfaces to one-body molded cladding grind, and the enamel-cover film that is exposed on the outer leg is come off.
Preferably, described method further comprises: carry out silver-plated action to being exposed to outer leg, to form end silver.
In sum, can understand the technical need that the present invention can reach the desired solution of invention, simplify the making formality of inductor microelement, and the inductor microelement after therefore obtaining to simplify, practicality therefore had.
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
Fig. 1 discloses the embodiment of first support;
Fig. 2 discloses the embodiment of mould in first;
Fig. 3 A discloses the state of going into powder, pressing for the first time;
Fig. 3 B discloses the greenware condition of going into powder, pressing for the first time;
Fig. 4 discloses first support and the half-finished state after the coiling in the processing procedure;
Fig. 5 discloses the state of going into powder, pressing for the second time;
Fig. 6 discloses the greenware condition of going into powder, pressing for the second time;
Fig. 7 discloses a certain inductor microelement of embodiment and does not carry out the side surface grinding as yet;
Fig. 8 discloses a certain inductor microelement of embodiment to carry out side surface and grinds the back and carry out the state after silver-plated.
Embodiment
For making the object of the invention, structure, characteristic and function thereof there are further understanding, cooperate embodiment to specify as follows now.
Should be understood that the term of space correlation such as " side surface ", " top " and similar terms, is to be used for explaining member or the characteristic relation as shown in the figure with respect to another member or characteristic here for the convenience of explaining.
With reference to figure 7 and Fig. 8, a kind of inductor microelement 10 of the embodiment of the invention comprises coil (being embedded in the inside) and one-body molded cladding 108, and coil comprises 101 and two legs 103 of coiling.One-body molded cladding 108 supplies the said coiling 101 of complete coating.One-body molded cladding 108 has two relative side surfaces 109, and wherein said two legs 103 are exposed to two side surfaces 109 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, and its reason can be learnt by production process.
Wherein coil is to be made up of conductor material, and one-body molded cladding 108 is to be made up of magnetic permeable material.When 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 two side surfaces 109 of one-body molded cladding 108, and are as shown in Figure 7.
Wherein inductor microelement 10 further comprises end silver 107, supplies to be covered in having leg 103 1 ends and covering this leg 103 of one-body molded cladding 108.
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.
Then, support 999 is inserted this in first among the mould 110.
Then, powder is placed in said a plurality of sinking space 102 for the first time, utilizes upper punch (not illustrating) to clamp down on powder for the first time, and to form a plurality of first cladding 108a, shown in Fig. 3 A, Fig. 3 B is its stereogram.
Then, as shown in Figure 4, utilize this support 999 and this first cladding 108a, carry out the coiling program, to form a plurality of coils, each coil comprises 101 and two legs 103 of coiling, and this each coil is positioned at said first cladding top 108a.
Then, with said a plurality of coils, support 999, insert mould 106 in second with the first cladding 108a, these a plurality of sinking space of mould 106 tools in second, each sinking space is held a coil and one first cladding 108a, and is as shown in Figure 5.
Then, for the second time powder is placed in said a plurality of sinking space, makes this second time of powder this coil of covering and said first cladding; Then; Utilize upper punch (not illustrating) to clamp down on this of powder second time; To form the second cladding 108b, this first cladding 108a and the second cladding 108b constitute said one-body molded cladding 108, intactly coat said coiling 101; Wherein said two legs 103 are to be exposed to outside the said one-body molded cladding 108, and are as shown in Figure 6.So can accomplish a plurality of inductor microelements 10 like Fig. 6.
Then, each inductor microelement 10 and support 999 are broken away from, the enamel-cover film on the leg 103 of each inductor microelement 10 shown in Figure 7 does not come off as yet at this moment.
Then, further two side surfaces to one-body molded cladding 108 grind, and the enamel-cover film that is exposed on the outer leg 103 is come off.
Then, further carry out silver-plated action, and obtain having the inductor microelement 10 of end silver 107 being exposed to outer two legs 103.As shown in Figure 8.
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 (9)
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 one-body molded cladding has two relative side surfaces, and wherein said two legs are exposed to outside the said one-body molded cladding, and said two legs lay respectively on two side surfaces.
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, further comprises end silver, supplies to be covered in the end with leg of one-body molded cladding and to cover this leg.
4. inductor microelement as claimed in claim 1 is characterized in that, said one-body molded cladding is formed with powder metallurgy punch forming method.
5. the manufacture method of an inductor microelement is characterized in that, this manufacture method comprises the following step:
Mould in support and first is provided, these a plurality of sinking space of mould in first;
Support is inserted this in first among the mould;
Powder is placed in said a plurality of sinking space for the first time;
Utilize upper punch to clamp down on powder for the first time, to form first cladding;
Utilize this support and this first cladding, carry out the coiling program, to form a plurality of coils, each coil comprises coiling and two legs, and this each coil is positioned at said first cladding top;
Said a plurality of coils, support and first cladding are inserted mould in second, these a plurality of sinking space of mould in second, each sinking space is held a coil and one first cladding;
For the second time powder is placed in said a plurality of sinking space, makes this second time of powder this coil of covering and said first cladding;
Utilize upper punch to clamp down on this of powder second time; To form second cladding; This first cladding and second cladding constitute said one-body molded cladding, intactly coat said coiling, and wherein said two legs are exposed to outside the said one-body molded cladding.
6. method as claimed in claim 5 is characterized in that coil is to be made up of conductor material, and cladding is to be made up of magnetic permeable material.
7. method as claimed in claim 5 is characterized in that, further comprises:
Each inductor microelement and support are broken away from.
8. method as claimed in claim 5 is characterized in that, further comprises:
Two side surfaces to one-body molded cladding grind, and the enamel-cover film that is exposed on the outer leg is come off.
9. method as claimed in claim 8 is characterized in that, further comprises:
Carry out silver-plated action to being exposed to outer leg, to form end silver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100750795A CN102637507A (en) | 2012-03-20 | 2012-03-20 | Miniature inductance component and method for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100750795A CN102637507A (en) | 2012-03-20 | 2012-03-20 | Miniature inductance component and method for manufacturing same |
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| CN102637507A true CN102637507A (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100750795A Pending CN102637507A (en) | 2012-03-20 | 2012-03-20 | Miniature inductance component and method for manufacturing same |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010118484A (en) * | 2008-11-13 | 2010-05-27 | Nec Tokin Corp | Inductance element and method of manufacturing the same |
| CN101728057A (en) * | 2008-10-17 | 2010-06-09 | 三积瑞科技（苏州）有限公司 | Method for manufacturing sectioned die casting inductor |
| CN102034588A (en) * | 2009-09-28 | 2011-04-27 | 王仕任 | Method and device for manufacturing inductance element |
| CN102034589A (en) * | 2009-09-28 | 2011-04-27 | 王仕任 | Inductive component and manufacturing method thereof |
-
2012
- 2012-03-20 CN CN2012100750795A patent/CN102637507A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728057A (en) * | 2008-10-17 | 2010-06-09 | 三积瑞科技（苏州）有限公司 | Method for manufacturing sectioned die casting inductor |
| JP2010118484A (en) * | 2008-11-13 | 2010-05-27 | Nec Tokin Corp | Inductance element and method of manufacturing the same |
| CN102034588A (en) * | 2009-09-28 | 2011-04-27 | 王仕任 | Method and device for manufacturing inductance element |
| CN102034589A (en) * | 2009-09-28 | 2011-04-27 | 王仕任 | Inductive component and manufacturing method thereof |
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Application publication date: 20120815 |
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