CN102446614B - Inductance component structure - Google Patents
Inductance component structure Download PDFInfo
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- CN102446614B CN102446614B CN 201010509336 CN201010509336A CN102446614B CN 102446614 B CN102446614 B CN 102446614B CN 201010509336 CN201010509336 CN 201010509336 CN 201010509336 A CN201010509336 A CN 201010509336A CN 102446614 B CN102446614 B CN 102446614B
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Abstract
The invention relates to an inductance component structure. Two outer surfaces of an inner-layer substrate of an inductance component are respectively provided with a cooper foil layer, an accommodating groove is molded inside the substrate and accommodates a metal inner core, the two copper foil layers and the substrate are respectively molded with a plurality of through holes and a plurality of penetration holes in an opposite manner, a metal conductor is processed and molded inside each through hole and each penetration hole, the outer surfaces of the two copper foil layers are respectively molded with a plurality of stelliform metal conductor wires to form a preset circuit layout, and the metal conductors inside all the through holes and penetration holes and the plurality of stelliform metal conductor wires are mutually connected and conducted to give rise to a continuously winding type metal magnetic induction loop effect, that is to say, a complete inductance component combination is molded by means of the plurality of metal conductor wires and the preset metal inner core, so that the plurality of metal conductor wires are matched with the metal inner core to be electrically conducted in the continuously winding type metal magnetic induction loop effect manner, and each induction zone is respectively provided with an input side and an output side in an extension manner so as to transmit magnetic induction signals and achieve the purposes of reducing the volume of the inductance component and promoting an inductive effect and a rectifying function.
Description
Technical field
The present invention relates to a kind of structure of inductance element, but espespecially do not need the inductance element of winding around and reduced volume, utilize clamping base material and metal inside between two copper foil layers, reach the structure of the inductance element of inductive effect by the induction zone of circuit layout.
Background technology
Along with Technology Times is constantly advanced by leaps and bounds, various practical advanced electronics, electric product comes out successively, also bring people on the living conditions, many conveniences in the work, have more and save time, the saving of labor, the advantages such as high workload efficient, and along with electronics, constantly bringing forth new ideas of electric product, improvement, various electronics, the inner topmost control system of electric product, circuit machine plate, the improvement that also continues, progressive, in order to save control system, the volume of circuit machine plate, make electronics, electric product has gently, thin, short, little appearance and modeling, and various electronic component is also all towards the Volume design of microminiaturization, avoid taking control system, too large space on the circuit machine plate, so that control system, circuit machine plate has more sufficient space to carry out circuit layout, and can appropriateness dwindle the volume of circuit machine plate, meet electronics, electric product presents gently, thin, short, the design concept of little external form.
And inductance element (Inductor) or title coil (Choke) are as shown in Figure 8, it is the element that often uses in the electronic component, utilize that the change of electric current comes store electrical energy in the circuit, carry out the charge and discharge of appropriateness, inductance element belongs to passive device, utilize magnetic or nonmagnetic metal material to be core A, give winding around B and form, by the curent change of coil B, to produce magnetic flux change, form the magnetic field phenomenon, namely produce magnetic field by the electric current that exchanges, and utilize the magnetic field induction of change to go out electric current, so linear scale is inductance; Present employed inductance element all is to consist of at the outside winding around B of core A, when practical application, then has shortcomings, puzzlement, wherein:
(1) behind the outside winding around B of the core A of inductance element, causes the volume size of core A to increase, when being applied to circuit board, can take larger space, affect the circuit layout of circuit board.
(2) the outside winding around B of the core A of inductance element, must be noted that adjacent between coil B between distance, produce easily the too large or too small improper winding situation of spacing, and it is outside that coil B can be exposed to core A, and uprightly be arranged at circuit board surface, when assembling or when mobile, produce collision or conflict with external electric parts easily, cause coil B to produce scraping, phenomenon of rupture, affect the charge and discharge function of inductance element.
(3) when core A volume is too small and when giving winding around B, the difficulty in process of its automation need to be manually to come winding around B.
Summary of the invention
Main purpose of the present invention is to improve the structure of inductance element, internal layer base material two outer surfaces of this inductance element are respectively equipped with copper foil layer, and the interior moulding storage tank of base material is also taken in metal inside, and in two copper foil layers, base material is a plurality of through holes of moulding relative type motor respectively, a plurality of open-works, each through hole, open-work machine-shaping metallic conductor, and two copper foil layer outer surface moulding are the preinstalled circuit layout of actinoid a plurality of plain conductors, utilize each through hole, open-work interior metal conductor be actinoid a plurality of plain conductor, interlink and conducting, to consist of the metal magnetic induction loop effect of continuous reeling formula, namely by plain conductor and the metal inside that presets in the inner, the inductance element combination that moulding is complete, so that being the magnetic strength of continuous reeling formula, plain conductor complexed metal inner core conducts effect, and each induction zone outwards extends respectively input side and outlet side, so that the transmission of magnetic strength signal, to reach the reduced inductance component size, promote the purpose of inductive effect and rectification function.
Secondary objective of the present invention is the base material of this inductance element, two relative type motor copper foil layers, and two relative type motor copper foil layers, comprise the upper strata Copper Foil, lower floor's Copper Foil, inner also clamping base material, in the upper strata Copper Foil, the outer surface of lower floor's Copper Foil cooperates the metal inside in the base material, machine-shaping has a plurality of through holes, a plurality of open-works, and a plurality of through holes are the radiation wire in the upper strata Copper Foil, the outer surface of lower floor's Copper Foil is shaped to induction zone, be actinoid a plurality of plain conductor, and the upper strata Copper Foil has outwards extended input side by induction zone, outlet side, and lower floor's Copper Foil has outwards extended outlet side by induction zone.
A further object of the present invention is this two relative type motors copper foil layer; be the induction zone of preinstalled circuit layout in outer surface machine-shaping; be actinoid a plurality of plain conductor; and in the resin bed of two copper foil layer outer surfaces difference coating insulation; default circuit with the protection moulding is avoided oxidation; the phenomenon of solder shorts; usually first two copper foil layer outer surfaces being carried out the processing such as brushing or microetch processes; make the copper face of two copper foil layers carry out suitable alligatoring clean; and pass through screen painting; curtain is coated with or the processing method such as electrostatic spraying; the green lacquer of liquid photosensitive is coated on two copper foil layer outer surfaces; namely treat its cooling through behind the drying and processing; send into and carry out exposure-processed in the ultraviolet exposure machine; make green lacquer be subjected to the ultraviolet ray irradiation at the egative film transmission region; just produce polymerization reaction; remove and utilize aqueous sodium carbonate to be developed in the zone that is not subjected to illumination on the coating; impose again high-temperature baking the resin bed in the green lacquer is hardened fully, then take shape in the outer surface of two copper foil layers.
Another object of the present invention is to this base material inner utilization Milling Process, the storage tank of the various processing mode moulding such as attrition process or Drilling operation recess, and cooperate the shape of storage tank to take in identical shaped metal inside, and storage tank, metal inside can be rounded, annular, rectangle, polygon, hollow shaped as frame shape or geometric form etc., the design of various shapes, and cooperate in the storage tank of base material, a plurality of open-works in the outside, relative two relative type motor copper foil layers, between a plurality of through holes of outer surface, form and be actinoid a plurality of plain conductor, be shaped to the radiation the linear alignment; And a plurality of through holes, a plurality of open-work respectively rounded, annular, rectangle, polygon or geometric form etc., the radiation the linear alignment of various shapes.
Description of drawings
Fig. 1 is stereo appearance figure of the present invention.
Fig. 2 is three-dimensional exploded view of the present invention.
Fig. 3 is the three-dimensional exploded view of other direction of the present invention.
Fig. 4 is the three-dimensional exploded view of the present invention when assembling.
Fig. 5 is side cutaway view of the present invention.
Fig. 6 is the stereo appearance figure of preferred embodiment of the present invention.
Fig. 7 is the stereo appearance figure of another embodiment of the present invention.
Fig. 8 is the stereo appearance figure of existing inductance element.
Description of reference numerals: 1-copper foil layer; 11-upper strata Copper Foil; 12-lower floor Copper Foil; The 110-through hole; The 120-through hole; The 111-induction zone; The 121-induction zone; The 1111-plain conductor; The 1211-plain conductor; The 112-input side; The 122-outlet side; The 113-outlet side; The 2-base material; The 20-storage tank; The 21-open-work; The 201-limit body; The 22-metal inside; The 3-metallic conductor; The A-core; The B-coil.
Embodiment
For reaching above-mentioned purpose and effect, the technology used in the present invention means and execution mode thereof, hereby drawing illustrates in detail that with regard to preferred embodiment of the present invention its features and functions is as follows.
See also shown in Fig. 1,2,3,4,5, three-dimensional exploded view, side cutaway view during for the three-dimensional exploded view of stereo appearance figure of the present invention, three-dimensional exploded view, other direction, assembling, find out that by knowing shown in the figure inductance element of the present invention comprises copper foil layer 1, base material 2, wherein:
This copper foil layer 1 comprises the upper strata Copper Foil 11 of two relative type motors, lower floor's Copper Foil 12, and upper strata Copper Foil 11, the internal layer of lower floor's Copper Foil 12, difference machine-shaping preinstalled circuit layout, and respectively at the induction zone 111 of outer surface machine-shaping preinstalled circuit layout, 121, each induction zone 111,121 respectively machine-shaping a plurality of through holes 110 are arranged, 120, each through hole 110, between 120, form respectively and be a plurality of plain conductors 1111 that radiate the linear alignment, 1211, and the induction zone 111 of upper strata Copper Foil 11 has outwards extended input side 112, outlet side 113, the induction zone 121 of lower floor's Copper Foil 12 has outwards extended outlet side 122.
This base material 2 is in the storage tank 20 of inner moulding recess, and in storage tank 20 medial and lateral a plurality of open-works 21 of moulding respectively, and in storage tank 20, take in identical shaped metal inside 22.
Above-mentioned each member is when assembling, upper strata Copper Foil 11 in two relative type motor copper foil layers 1, the relative inner of lower floor's Copper Foil 12, clamping sets firmly base material 2, and so that upper strata Copper Foil 11, each induction zone 111 of lower floor's Copper Foil 12,121 with actinoid a plurality of plain conductors 1111,1211, respectively with respect to storage tank 20 metal inside of taking in 22 of base material 2, and upper strata Copper Foil 11, each induction zone 111 of lower floor's Copper Foil 12,121, a plurality of through holes 110 of difference moulding, 120, a plurality of open-works 21 with respect to base material 2, in each through hole 110,120, each open-work 21 inside, machine-shaping has metallic conductor 3, so that upper strata Copper Foil 11, each induction zone 111 of lower floor's Copper Foil 12,121, utilization is actinoid a plurality of plain conductor 1111,1211, in metal inside 22, form the metal magnetic induction loop effect of continuous reeling formula between the outside, namely by a plurality of plain conductors 1111,1211 with a plurality of metallic conductors 3,22 places are electric conducting state at metal inside, and then the metal magnetic induction loop effect of generation continuous reeling formula, namely by two relative type motor copper foil layers 1,22 groups of base material 2 and metal insides consist of inductance element structure of the present invention.
And the upper strata Copper Foil 11 of above-mentioned two relative type motor copper foil layers 1, lower floor's Copper Foil 12, be a plurality of through holes 110,120 that radiate the linear alignment respectively at the outer surface moulding, respectively at upper strata Copper Foil 11, the actinoid induction zone 111 of lower floor's Copper Foil 12 outer surface moulding, 121 and be actinoid a plurality of plain conductor 1111,1211, each induction zone 111,121 a plurality of through holes 110, the 120 a plurality of open-works 21 with respect to base material 2 are so that a plurality of open-work 21 is the radiation the linear alignment in storage tank 20 medial and lateral; And a plurality of through holes 110, a plurality of plain conductors 1111,1211 and a plurality of open-work 21 of 120, can be respectively rounded, annular, rectangle, polygon or geometric form etc., various actinoid arrangements.
And each induction zone 111, be actinoid a plurality of plain conductor 1111 between 121,1211 respectively moulding, smooth in upper strata Copper Foil 11, the outer surface of lower floor's Copper Foil 12, a plurality of through holes 110, a plurality of plain conductors 1111 between 120,1211, adjacent arrangement pitches is quite accurate, the too large or too small phenomenon of adjacent spacing can not occur, also can not protrude on the outer surface, after electric current is entered by the input side 112 of upper strata Copper Foil 11, during by induction zone 111 via a plurality of plain conductors 1111 of a plurality of through holes 110, cooperate 3 transmission of inner metallic conductor, behind a plurality of open-works 21 by base material 2, transfer to a plurality of through holes 120 of lower floor's Copper Foil 12, and be transmitted in a plurality of plain conductors 1211 of induction zone 121, and utilize each induction zone 111, a plurality of radiation wire plain conductors 1111 of 121,1211, be positioned at the metal inside 22 of base material 2, be the metal magnetic induction loop that continuous shape is reeled outward, and then form plane coiled metal magnetic strength coil inductance effect, and make inductance magnetic field be looped around each induction zone 111, a plurality of plain conductors 1111 of 121, between 1211, and be difficult for outwards flowing, again with electric current respectively by the outlet side 113 of upper strata Copper Foil 11, the outlet side 122 of lower floor's Copper Foil 12 is outwards exported, reach and produce good inductive effect, the purpose of rectification function, so that stable the filling of inductance element, discharge, rectification etc., and when inductance element passes through at electric current, the inductance magnetic wave that produces also is difficult for disturbing other electronic component of periphery, simultaneously, inductance element after the moulding, because needn't carry out in addition the manufacturing procedure of winding around, so can reduce the cost of manufacturing.
Moreover the upper strata Copper Foil 11 of two relative type motor copper foil layers 1, lower floor's Copper Foil 12 set a plurality of through holes 110,120 and a plurality of open-works 21 of base material 2, these a plurality of through holes 110,120, a plurality of open-works 21 inside, can utilize and electroplate the machine-shaping copper product, aluminum, nickel material or alloy material etc., the metallic conductor 3 of various metal material, so that upper strata Copper Foil 11, each induction zone 111 of lower floor's Copper Foil 12, a plurality of plain conductors 1111 of 121,1211 with each metallic conductor 3, be the metal magnetic induction loop electric conducting state of continuous reeling formula, namely utilize two relative type motor copper foil layers 1, base material 2 is with metal inside 22 and the moulding volume is little, inductive effect is good, inductance element with rectification function.
As for base material 2, made by insulating material, and can convex with limit body 201 in storage tank 20 inside, and take in ringwise metal inside 22 in the storage tank 20, and metal inside 22 can be magnet inner core, irony inner core, copper inner core or amorphous metal inner core etc., the materials such as the magnetic material of various tools, nonmagnetic metal material; And the storage tank 20 of base material 2, metal inside 22 can be rounded, annular, rectangle, polygon, hollow shaped as frame shape or geometric form etc., and the various shapes designs that moulding is corresponding are so that metal inside 22 is incorporated in the storage tank 20.
See also Fig. 2,4,5,6, shown in 7, be three-dimensional exploded view of the present invention, three-dimensional exploded view during assembling, side cutaway view, the stereo appearance figure of preferred embodiment, the stereo appearance figure of another embodiment, find out by knowing shown in the figure, the base material 2 of inductance element of the present invention is provided with metal inside 22, and be clamped between the two outer surface copper foil layers 1, and so that the induction zone 111 of two copper foil layers, 1 surface difference moulding, 121, by each induction zone 111, in 121, the a plurality of through holes 110 in the outside, 120 and be a plurality of plain conductors 1111 that the radiation wire is electrically connected, 1211, cooperate a plurality of through holes 110,120 with the metallic conductor 3 of a plurality of open-works 21 inside, and so that a plurality of plain conductor 1111,1211 and metallic conductor 3 in the outside of metal inside 22, form the metal magnetic induction loop of continous way rolled, and then in each induction zone 111, a plurality of plain conductors 1111 of 121,1211 and metal inside 22 between, form the inductive effect of plane formula takeup type metal magnetic induction loop.
And the manufacture method of inductance element of the present invention the steps include:
(100) copper foil layer 1 of two outer surfaces of base material 2, by processing mode (processing of the pickling of chemical agent, milling machine mills or the processing mode such as attrition process is removed) a plurality of optical points are removed and stayed to the copper foil layer 1 of two side surfaces, with the base material 2 that exposes inner interlayer.
(101) storage tank 20 of 2 inner machine-shaping recess in this surface to base material again, and utilize storage tank 20 inside to take in metal inside 22.
(102) and base material 2 two side surfaces again by the bonding copper foil layer 1 of film, then keep having two relative type motor copper foil layers 1 in base material 2 two outer surfaces, and metal inside 22 be coated between two copper foil layers 1.
(103) and between upper strata Copper Foil 11, lower floor's Copper Foil 12 and the base material 2 of two copper foil layers 1, a plurality of through holes 110 of each optical point of contraposition by processing (drilling or Milling Process) moulding relative type motor, 120 and a plurality of open-work 21 respectively.
(104) in the upper strata Copper Foil 11 of two copper foil layers 1, the outer surface of lower floor's Copper Foil 12, the machine-shaping preinstalled circuit layout by image transfer technique, and the preinstalled circuit layout of upper strata Copper Foil 11, lower floor's Copper Foil 12 is distinguished a plurality of plain conductors 1111 of moulding, 1211 with respect to each through hole 110,120.
(105) in each through hole 110 of the upper strata Copper Foil 11 of two copper foil layers 1,12 moulding of lower floor's Copper Foil, 120 and each open-work 21 of base material 2, after respectively activation processing being carried out on inner surface, recycling processing mode (processing modes such as plating or welding) forms metallic conductor 3.
(106) also by electric plating of whole board technique, with the metallic conductor 3 by each through hole 110,120, each open-work 21 inside two copper foil layers 1 are formed conducting, via etch process the unnecessary Copper Foil in two copper foil layers, 1 surface is stung ablation again.
(107) namely in upper strata Copper Foil 11, lower floor's Copper Foil 12 is shaped to respectively required induction zone 111,121 preinstalled circuit layout, and in each induction zone 111, a plurality of through holes 110 of 121, between 120, form and be actinoid a plurality of plain conductor 1111,1211, and each induction zone 111,121 correspond to the metal inside 22 of base material 2, a plurality of open-works 21, and by each induction zone 111, a plurality of plain conductors 1111 of 121,1211 with a plurality of metallic conductors 3, so that upper strata copper foil plate 11, each induction zone 111 of lower floor's copper foil plate 12,121, be the electric conducting state of continuous reeling formula metal magnetic induction loop effect.
(108) outwards extend respectively input side 112, outlet side 113 in the induction zone 111 of upper strata Copper Foil 11 again; And the induction zone 121 of lower floor's Copper Foil 12 has then outwards extended outlet side 122.
(109) with two copper foil layers 1 of moulding, the thin inductance element that base material 2 is made tabular continous way rolled.
And the upper strata Copper Foil 11 of above-mentioned two relative type motor copper foil layers 1, lower floor's Copper Foil 12, can be by processing modes such as screen painting processing, etching and processing or plating processing respectively at outer surface, machine-shaping has preinstalled circuit layout and induction zone 111,121 and be actinoid a plurality of plain conductor 1111,1211, can save manufacturing procedure time, reduce manufacturing cost; And upper strata Copper Foil 11, lower floor's Copper Foil 12 outer surfaces in two relative type motor copper foil layers 1, respectively the induction zone 111 of the preinstalled circuit of moulding, 121 and the storage tank 20 of base material 2 between, Drilling operation, Milling Process or punch process be can utilize, a plurality of through holes 110,120, a plurality of open-work 21 formed respectively; And a plurality of through holes 110,120, open-work 21 are respectively a plurality of plain conductors 1111,1211 that radiate the linear alignment, and may be molded to circle, annular, rectangle, polygon or geometric form etc., are actinoid arrangement mode; As for each through hole 110,120 and each open-work 21 inside of base material 2, can be by electroplating machine-shaping copper product, aluminum, nickel material or alloy material etc., the metallic conductor 3 of various metal materials.
And base material 2, made by insulating material, and can convex with limit body 201 in storage tank 20 inside, and take in ringwise metal inside 22 in the storage tank 20, and metal inside 22 can be magnet inner core, irony inner core, copper inner core or amorphous metal inner core etc., and various have materials such as magnetic material, nonmagnetic metal material; And the storage tank 20 of base material 2, metal inside 22 can be rounded, annular, rectangle, polygon, hollow shaped as frame shape or geometric form etc., and the various shapes designs that moulding is corresponding are so that metal inside 22 is incorporated in the storage tank 20.
And two copper foil layers 1, base material 2 are shaped to the tabular inductance element of thin type, and the upper strata Copper Foil 11, the lower floor's Copper Foil 12 that utilize two copper foil layers 1 are coated on base material 2 and metal inside 22 outsides, the inductance element of moulding then, have the characteristics such as volume is little, inductive effect is good, rectification function is good, can not take too large space during practical application, can meet light, thin, short, the little design concept of electronic product, sufficient room carries out circuit layout so that the preinstalled circuit plate of electronic product has more; And inductance element is when practical application, after electric current is entered by the input side 112 of upper strata Copper Foil 11, a plurality of plain conductors 1111 by induction zone 111, metallic conductor 3 via a plurality of through holes 110 inside transmits again, behind a plurality of open-works 21 by base material 2, transfer to a plurality of through holes 120 of lower floor's Copper Foil 12, the induction zone 121 of a plurality of plain conductors 1211, and utilize each induction zone 111, a plurality of plain conductors 1111 of 121,1211, the metal inside 22 that cooperates base material 2, form conducting of continuous reeling formula metal magnetic induction loop effect, again with electric current respectively by the outlet side 113 of upper strata copper foil plate 11, the outlet side 122 of lower floor's Copper Foil 12 is outwards exported, reach and produce good metal magnetic induction loop effect, the purpose of rectification function, so that stable the filling of inductance element, discharge, rectification etc., and when inductance element passed through at electric current, the inductance magnetic field of generation also was difficult for disturbing other electronic component of periphery.
Moreover; the upper strata Copper Foil 11 of two relative type motor copper foil layers 1; the outer surface of lower floor's Copper Foil 12; after the machine-shaping preinstalled circuit layout; again in upper strata Copper Foil 11; the outer surface of lower floor's Copper Foil 12; the resin bed of difference coating insulation; and pass through screen painting; curtain is coated with or the manufacturing procedure mode of electrostatic spraying; with the green lacquer of liquid photosensitive; be coated on respectively upper strata Copper Foil 11; on the resin bed of the outer surface of lower floor's Copper Foil 12; again to upper strata Copper Foil 11; lower floor's Copper Foil 12 carries out cooling off behind the drying and processing; and with upper strata Copper Foil 11; lower floor's Copper Foil 12 is at the transmission region of egative film; implement exposure process through in the ultraviolet exposure machine; so that green lacquer is after the transmission region of egative film is subject to the ultraviolet ray irradiation; producing assembly effect films with moulding; remove and utilize aqueous sodium carbonate not developed by the zone of illumination; can utilize the high-temperature baking operation; so that contained resin bed sclerosis and take shape in upper strata Copper Foil 11 in the green lacquer; lower floor's Copper Foil 12 outer surfaces; resin bed by the coating insulation; protection upper strata Copper Foil 11; the preinstalled circuit layout of lower floor's Copper Foil 12 outer surface moulding avoids the phenomenon of oxidation and solder shorts to occur.
Be with, the above only is preferred embodiment of the present invention, non-so limit to claim of the present invention, the structure of inductance element of the present invention, upper strata Copper Foil 11 by two relative type motor copper foil layers 1, clamping base material 2 between lower floor's Copper Foil 12, metal inside 22, and in upper strata Copper Foil 11, the outer surface of lower floor's Copper Foil 12, has respectively the formed induction zone 111 of preinstalled circuit layout, 121 and a plurality of through hole 110,120, a plurality of plain conductors 1111,1211, and each induction zone 111, a plurality of plain conductors 1111 of 121,1211, system is with respect to the metal inside 22 of base material 2, a plurality of through holes 110, a plurality of open-works 21 of 120 difference contraposition base materials 2, and in a plurality of through holes 110,120 and a plurality of open-work 21 machine-shaping metallic conductors 3, so that the induction zone 111 of upper strata Copper Foil 11, the induction zone 121 of lower floor's Copper Foil 12, by each through hole 110,120 and the metallic conductor 3 of each open-work 21 inside, form conducting of continuous reeling formula metal magnetic induction loop effect, utilize 1 clamping base material 2 of two relative type motor copper foil layers and metal inside 22 in order to do reaching, it is little that group consists of volume, the purpose of the inductance element that inductive effect is good, and each induction zone 111, a plurality of plain conductors 1111 of 121,1211, system is the radiation wire and is flattened on two copper foil layers, 1 outer surface, also be difficult for touching peripheral electronic component, also can reduce and peripheral electronic component between the magnetic wave interference phenomenon.
The structure of the inductance element of the invention described above, in reality implement, when using, for can having following advantage, as:
(1) 1 coating of two relative type motor copper foil layers, clamping base material 2, the metal inside 22 of inductance element, can reduce the volume size of inductance element, meet light, thin, short, the little design concept of electronic product, also can not take too large space, carry out circuit layout so that the preinstalled circuit plate has sufficient room.
(2) the upper strata Copper Foil 11 of two relative type motor copper foil layers 1 of inductance element, the outer surface of lower floor's Copper Foil 12, has respectively the formed plane of preinstalled circuit layout pattern induction zone 111,121, and a plurality of through holes 110,120 are actinoid a plurality of plain conductor 1111,1211, interlink to form the metal magnetic induction loop effect of continuous reeling formula, by a plurality of plain conductors 1111,1211 and each metallic conductor 3 between, be conducting of continuous reeling formula metal magnetic induction loop, and then solve the bottleneck that inductance element uses metal coiling semi-automation.
(3) volume is little after the inductance element moulding, and each induction zone 111 by two relative type motor copper foil layers 1 of electric current, a plurality of plain conductors 1111 of 121,1211 and a plurality of through hole 110, more than 120 open-work 21 in metallic conductor 3 time, formed magnetic field, be difficult for producing disturbed condition with the electronic component of periphery, can make the electric current of preinstalled circuit plate or the signal transmission is stable, rectification function is good.
(4) the little inductance element of volume, by two copper foil layers, 1 surface of inductance element, a plurality of actinoid plain conductors 1111 of the type that is tied to form, 1211 and default circuit layout replace manually coiling, and can reduce the manufacturing cost of inductance element.
The present invention is the design mainly for the structure of inductance element; for passing through clamping base material between two relative type motor copper foil layers; metal inside; and utilize the induction zone of two copper foil layer outer surfaces; respectively with respect to metal inside; and a plurality of through holes of two copper foil layers are a plurality of open-works of relative base material then; and in a plurality of through holes; machine-shaping metallic conductor in the open-work; so that the induction zone of two copper foil layers forms conducting of continuous reeling formula metal magnetic induction loop; little to reach the moulding volume; the inductance element that reduces cost is main key protection point; and so that inductance element when practical application; not taking the too large space of preinstalled circuit plate, is that only to make inductance element meet electronic product light; thin; short; the function of little design concept.
More than shown in only be the preferred embodiments of the present invention, only be illustrative for the purpose of the present invention, and nonrestrictive.Common knowledge personnel understand at this professional skill field tool, can carry out many changes to it in the spirit and scope that claim of the present invention limits, revise, even the change of equivalence, but all will fall within the scope of protection of the present invention.
Claims (9)
1. the structure of an inductance element comprises that two outer surfaces have the base material of copper foil layer, metal inside, is characterized in that:
This base material inside has been taken in metal inside and has been had a plurality of open-works, two outer surfaces are provided with the copper foil layer of a plurality of through holes of tool, and a plurality of through holes, the inner respectively forming metal conductor of a plurality of open-works, and the induction zone that cooperates two copper foil layers is between actinoid plain conductor and the metal inside, form conducting of continuous reeling formula metal magnetic induction loop effect, and has induction zone in two copper foil layer surface formings, the default configuration of input side and outlet side, wherein: this two copper foil layer is relative type motor, after the preinstalled circuit layout moulding of two relative type motor copper foil layer outer surfaces, again in the resin bed of two copper foil layer outer surface coatings insulation, and pass through screen painting, curtain is coated with or the manufacturing procedure of electrostatic spraying, the green lacquer of liquid photosensitive is coated on the resin bed of two copper foil layer outer surfaces, again two copper foil layers are carried out cooling off behind the drying and processing, and implement exposure process in the process ultraviolet exposure machine, so that producing assembly effect after the ultraviolet ray irradiation, green lacquer films with moulding, and utilize aqueous sodium carbonate, do not remove being subjected to the zone development of illumination on filming, can utilize the high-temperature baking operation, so that contained hardening of resin and take shape in two copper foil layer outer surfaces in the green lacquer.
2. the structure of inductance element as claimed in claim 1, it is characterized in that, this two relative type motors copper foil layer comprises upper strata Copper Foil, lower floor's Copper Foil, and the induction zone of upper strata Copper Foil, lower floor's Copper Foil, is respectively equipped with a plurality of through holes, a plurality of plain conductor that are the conducting of radiation the linear alignment; And a plurality of through holes, a plurality of plain conductor radiation the linear alignment of rounded or rectangle respectively.
3. the structure of inductance element as claimed in claim 1, it is characterized in that, this two relative type motors copper foil layer comprises upper strata Copper Foil, lower floor's Copper Foil, and the induction zone of upper strata Copper Foil, lower floor's Copper Foil, is respectively equipped with a plurality of through holes, a plurality of plain conductor that are the conducting of radiation the linear alignment; And a plurality of through holes, a plurality of plain conductor are respectively ringwise or polygonal radiation the linear alignment.
4. the structure of inductance element as claimed in claim 2 or claim 3 is characterized in that the configuration of this upper strata Copper Foil has outwards extended respectively input side, outlet side by induction zone, and the configuration of lower floor's Copper Foil has outwards extended outlet side.
5. the structure of inductance element as claimed in claim 1, it is characterized in that, this base material by clamping, be fixed between the two relative type motor copper foil layers, and substrate surface is with respect to the induction zone of two copper foil layers, be provided with the storage tank of taking in metal inside, and the inside and outside a plurality of open-works that are respectively equipped with respect to a plurality of through holes of two copper foil layers of storage tank, and each through hole, each open-work inside respectively moulding make two induction zones be the metallic conductor that conducts.
6. the structure of inductance element as claimed in claim 5, it is characterized in that, this base material is made by insulating material, and convex with limit body in storage tank inside, and take in ringwise metal inside in storage tank, and metal inside is magnet inner core, irony inner core, copper inner core or amorphous metal inner core.
7. the structure of inductance element as claimed in claim 5 is characterized in that, the rounded or rectangle of the storage tank of this base material and metal inside.
8. the structure of inductance element as claimed in claim 5 is characterized in that, the storage tank of this base material and metal inside are ringwise or polygon.
9. the structure of inductance element as claimed in claim 1, it is characterized in that, by electroplating the metallic conductor of machine-shaping copper product, aluminum, nickel material or alloy material, so that being, the induction zone of two relative type motor copper foil layers forms conducting of continuous reeling formula metal magnetic induction loop effect in each through hole of this two relative type motors copper foil layer, each open-work of base material.
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| CN 201010509336 CN102446614B (en) | 2010-10-14 | 2010-10-14 | Inductance component structure |
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| CN 201010509336 CN102446614B (en) | 2010-10-14 | 2010-10-14 | Inductance component structure |
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| CN102479600A (en) * | 2010-11-25 | 2012-05-30 | 弘业科技有限公司 | Structure of inductor element |
| CN103811151B (en) * | 2014-03-06 | 2016-09-28 | 上海卓凯电子科技有限公司 | Inductance element and manufacture method thereof |
| CN103943306B (en) * | 2014-03-12 | 2017-04-12 | 华为技术有限公司 | Magnetic element and manufacturing method of magnetic element |
| CN104507265A (en) * | 2014-12-24 | 2015-04-08 | 昆山元茂电子科技有限公司 | Improvement process for solder masking green paint dirt of printed circuit board |
| CN114630504B (en) * | 2020-12-10 | 2024-10-25 | 深南电路股份有限公司 | Circuit board processing method and circuit board |
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| US5781091A (en) * | 1995-07-24 | 1998-07-14 | Autosplice Systems Inc. | Electronic inductive device and method for manufacturing |
| JP4030028B2 (en) * | 1996-12-26 | 2008-01-09 | シチズン電子株式会社 | SMD type circuit device and manufacturing method thereof |
| JP2004119926A (en) * | 2002-09-30 | 2004-04-15 | Toshiba Corp | Current transformer and current transformer system |
| US7196607B2 (en) * | 2004-03-26 | 2007-03-27 | Harris Corporation | Embedded toroidal transformers in ceramic substrates |
| CN101553890A (en) * | 2006-11-14 | 2009-10-07 | 美商·帕斯脉冲工程有限公司 | Wire-less inductive devices and methods |
| CN201489962U (en) * | 2009-06-30 | 2010-05-26 | 刘清伟 | Transformer winding structure |
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