CN201540796U - Micro-inductor - Google Patents
Micro-inductor Download PDFInfo
- Publication number
- CN201540796U CN201540796U CN2009201525478U CN200920152547U CN201540796U CN 201540796 U CN201540796 U CN 201540796U CN 2009201525478 U CN2009201525478 U CN 2009201525478U CN 200920152547 U CN200920152547 U CN 200920152547U CN 201540796 U CN201540796 U CN 201540796U
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- China
- Prior art keywords
- core
- line segment
- laid
- conduction line
- conductive coil
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- Expired - Fee Related
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Abstract
The utility model discloses a micro-inductor. The micro-inductor comprises an insulation substrate and a magnetically inductive core material. The substrate includes an upper surface, on which a first conductive coil is arranged. The magnetically inductive core material includes an upper surface and a lower surface, and the core material is stacked on the upper surface of the substrate in such a manner that the lower surface of the core material corresponds to the first conductive coil. A second conductive coil is placed on the upper surface of the core material. A plurality of connection wires are respectively connected with the first conductive coil and the second conductive coil so as to form an integral induction coil.
Description
Technical field
The utility model is relevant with miniature electric component, particularly about a kind of miniature inductance or transformer.
Background technology
The electric component microminiaturization is the trend in market, the U.S. the 6th, 512, No. 285 the patent case has disclosed a kind of small size inductance element, its structure is to lay some conduction line segments on as the substrate of semiconductor die package, then the magnetic conduction core is adhered on these conduction line segments, at last connect and respectively conduct electricity the two ends of line segment crossing over this core with some connection leads, in order to form a complete induction coil.The defective of these structures is that this inductance element is to be bonded on the substrate of semiconductor die package, can't use separately.Moreover its connection lead of crossing over this core is very thin and long, and therefore not only resistance value is high but also be damaged easily.
The utility model content
Main purpose of the present utility model is promptly providing a kind of independent used miniature inductance, and it there is no the defective of the disclosed inductance element of aforesaid U.S. Patent case.
Another purpose of the present utility model is then providing a kind of miniature transformer.
For achieving the above object, miniature inductance provided by the utility model includes an insulated substrate and a magnetic conductivity core.This substrate has a upper face, and one first conductive coil is laid in the upper face of this substrate.This magnetic conductivity core has a upper surface and a lower surface, during combination, is the upper surface that mode that should first conductive coil is stacked and placed on this substrate with this lower surface.One second conductive coil is laid in the upper surface of this core.Some connection leads respectively with this first and second conductive coil overlap joint respectively, in order to form a complete inductance coil.
In addition, miniature transformer provided by the utility model (Transformer) includes an insulated substrate and a magnetic conductivity core.This insulated substrate has a upper face, some first time conduction line segments are along a first axle and be laid in the upper face of this substrate with being separated by, some second time conduction line segments are along one second axis and be laid in the upper face of this substrate with being separated by, and this first axle and this second axis are by the preset distance of being separated by.This magnetic conductivity core, has a loop, this loop has one first loop sections and second loop sections that is oppositely arranged, be laid in the upper surface of this first loop sections on some first the conductor wire spacer segment, be laid in the upper surface of second loop sections on some second, to be the lower surface that makes this loop sections respectively be stacked and placed on the upper surface of this substrate corresponding to the mode of this conduction line segment respectively to this core the conductor wire spacer segment.Respectively the two ends of this conduction line segment on first and respectively this first time conduction line segment connect lead by one first respectively and form and connect, in order to constitute first coil of this transformer.Respectively the two ends of this conduction line segment on second and respectively this second time conduction line segment connect lead by one second respectively and form and connect, in order to constitute second coil of this transformer.
Description of drawings
Fig. 1 is the part sectional block diagram of the miniature inductance implemented according to the utility model;
Fig. 2 is the partial, perspective view of miniature inductance shown in Figure 1;
Fig. 3 is the cutaway view of the miniature transformer implemented according to the utility model;
Fig. 4 is the insulated substrate of miniature transformer shown in Figure 3 and the exploded perspective view of magnetic conductivity core;
Fig. 5 is the stereogram after the magnetic conductivity core of miniature transformer shown in Figure 3 is stacked and placed on insulated substrate;
Fig. 6 is the cutaway view of another miniature transformer of implementing according to the utility model; And
Fig. 7 is the insulated substrate of miniature transformer shown in Figure 6 and the exploded perspective view of magnetic conductivity core.
[main element symbol description]
Upper face 18
First conductive coil 20
The first conduction line segment 22
Upper surface 24
Lower surface 26
Second conductive coil 28
The second conduction line segment 30
Connect lead 32
First time conduction line segment 48
Second time conduction line segment 50
First loop sections 52
Second loop sections 54
First connects lead 60
Second connects lead 62
Miniature transformer 70
The first magnetic conductivity core 74
The second magnetic conductivity core 76
Second time conduction line segment 78
First time conduction line segment 79
The 3rd time conduction line segment 80
Loop sections 82,84
Insulation glue-line 86
Insulating coating 90
Connect lead 92,94
Connect lead 96,98
Embodiment
At first see also Fig. 1 and Fig. 2, a miniature inductance 10 includes an insulated substrate 12, one magnetic conduction cores 14, and an insulating cover 16.
Respectively the two ends of the first conduction line segment 22 connect lead 32 and overlap with second two ends of conducting electricity line segment 30 respectively with one respectively, in order to form a complete inductance coil.Insulating cover 16 be with the ambroin material with the molding mode cover cap in substrate 12 and magnetic conduction core 14 end faces.
See also Fig. 3 to Fig. 5 again, a miniature transformer 40 includes an insulated substrate 42, one magnetic conductivity cores 44, and an insulating coating 45.
The two ends of each conduction line segment 56 on first and each first time conduction line segment 48 connect lead 60 by one first respectively and form and electrically connect, in order to constitute first induction coil of this transformer.The two ends of each conduction line segment 58 on second and each second time conduction line segment 50 connect lead 62 by one second respectively and form and electrically connect, in order to constitute second induction coil of this transformer.
Insulating coating 45 is with the end face of molded ground of plastic material cover cap in an insulated substrate 42 and a magnetic conductivity core 44.
At last, see also Fig. 6 and Fig. 7, another miniature transformer of implementing according to the utility model is shown in figure number 70, and it has an insulated substrate 72, one first magnetic conductivity cores 74 and one second magnetic conductivity core 76.
The first magnetic conductivity core 74 and the second magnetic conductivity core 76 structurally with the magnetic conductivity core 44 of transformer 40, in present embodiment, the second magnetic conductivity core 76 is to be stacked and placed on the first magnetic conductivity core, 74 tops, during fabrication, for fear of the electric connection that destroys the first magnetic conductivity core 74, at each loop sections 82,84 end face moldings one insulation glue-line 86 of the first magnetic conductivity core 74, the outermost insulating coating 90 of molding more at last.
By aforesaid structure, each of the first magnetic conductivity core 74 on first each of conduction line segment 75 and the second magnetic conductivity core 76 on first conduction line segment 77 can be respectively form two groups and import induction coils by being connected lead 92,94 respectively, this two induction coil parallel connection optionally or connect with each first time conduction line segment 79 of substrate 72.Similarly, each of the first magnetic conductivity core 74 on second each of conduction line segment 81 and the second magnetic conductivity core 76 on second conduction line segment 83 can be respectively pass through formation and export induction coils for two groups by being connected lead 96,98 respectively with each second time conduction line segment 78 of substrate 72 and each the 3rd time conduction line segment 80, visual need in parallel or series connection that these two groups of induction coils are same with lead, and produce different output voltages.
Claims (4)
1. a miniature inductance is characterized in that, includes:
One insulated substrate has a upper face;
One first conductive coil is laid in the upper face of this substrate;
One magnetic conductivity core has a upper surface and a lower surface, and this core is with this lower surface mode that should first conductive coil to be stacked and placed on this substrate;
One second conductive coil is laid in the upper surface of this core; And
Some leads respectively with this first and second coil overlap joint respectively, in order to form a complete inductance coil.
2. miniature inductance according to claim 1 is characterized in that, this first conductive coil includes the first conduction line segment that some compartment of terrains are laid in this upper surface of base plate.
3. miniature inductance according to claim 1 is characterized in that, this second conductive coil includes the second conduction line segment that some compartment of terrains are laid in this core upper surface.
4. miniature inductance according to claim 1, it is characterized in that, this first conductive coil include some be separated by to turn up the soil be laid in first conductive segment of this upper surface of base plate, this second conductive coil include some be separated by to turn up the soil be laid in second conductive segment of this core upper surface, respectively the two ends of this first and second conductive segment connect lead formation electric connection by one respectively, in order to form a complete inductance coil.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201525478U CN201540796U (en) | 2009-04-30 | 2009-04-30 | Micro-inductor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201525478U CN201540796U (en) | 2009-04-30 | 2009-04-30 | Micro-inductor |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201540796U true CN201540796U (en) | 2010-08-04 |
Family
ID=42592253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009201525478U Expired - Fee Related CN201540796U (en) | 2009-04-30 | 2009-04-30 | Micro-inductor |
Country Status (1)
Country | Link |
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CN (1) | CN201540796U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104681232A (en) * | 2013-12-03 | 2015-06-03 | 北京嘉岳同乐极电子有限公司 | Mini-type inductor and manufacturing method thereof |
-
2009
- 2009-04-30 CN CN2009201525478U patent/CN201540796U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104681232A (en) * | 2013-12-03 | 2015-06-03 | 北京嘉岳同乐极电子有限公司 | Mini-type inductor and manufacturing method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20130430 |