CN1404079A - Production method of winding coil parts and coil parts - Google Patents
Production method of winding coil parts and coil parts Download PDFInfo
- Publication number
- CN1404079A CN1404079A CN02127703A CN02127703A CN1404079A CN 1404079 A CN1404079 A CN 1404079A CN 02127703 A CN02127703 A CN 02127703A CN 02127703 A CN02127703 A CN 02127703A CN 1404079 A CN1404079 A CN 1404079A
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- China
- Prior art keywords
- flange part
- bonding agent
- lead
- coil component
- pair
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/10—Connecting leads to windings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
To provide a reliable wound coil component and a method for manufacturing the same with little attaching of an adhesive agent (resin) to a winding section of wires, and having a few breakings of wires, caused by temperature cycle and deterioration of insulation resistance caused by deterioration of wire coating. Using a support body 12, having a structure in which regions 12a and 12b opposite to flange sections 3a and 3b, arranged on both end sides of a core 1 project more than a part 12c in between the regions 12a and 12b opposite to the flange sections, adhesive agents 7 are coated on the regions 12a and 12b opposite to the flange sections, the adhesive agents 7 coated are transferred to the flange sections 3a and 3b of the core 1, and the adhesive agents 7 are hardened, after a magnetic material plate 6 is bonded to the flanges 3a and 3b to which the adhesive agents 7 are transferred.
Description
Technical field
The present invention relates to a kind of coil component and manufacture method thereof, specifically, relate to a kind of manufacture method and coil component with Wound coil component of the magnetic plate is bonding across ground, structure that be fixed in the pair of flanges portion that is arranged on the circle core two ends that are wound with lead, on from the flange part of an end to the flange part of the other end.
Background technology
For example, a kind of as winding type coil has the coil component of structure as shown in Figure 4.
As shown in Figure 5, this coil component, be by on the circle core 52 of fuse 51, twine lead 54, and with the both ends of lead 54, be connected on the electrode 55 of the flange part 53a, the 53b that are arranged on fuse 51 both ends, and, as shown in Figure 4, by bonding agent (resin) 57 with magnetic plate 56, on bonding, the fixing flange part 53a and the flange part 53b of the other end at one end, the flange part 53a of an end is connected with the flange part 53b of the other end manufactures.
In addition, in the coil component of Fig. 4, by bonding agent (resin) 57 that the magnetic plate is 56 bonding, be fixed on flange part 53a, the 53b in, also will around the winding section 58 that is wound with lead 54 on the circle core 52, (all around) coat by bonding agent (resin) 57.
In addition, Fig. 6 is the figure of existing another coil component of expression, and the structure of this coil component is, only is wound with the top of the winding section 58 of lead 54 on circle core 52, coat by bonding agent 57, and the side of winding section 58 and following all be exposed to outside.
In addition, as shown in Figure 4, by bonding agent (resin) 57 with the coil component that (all around) around the winding section 58 coats, for example, be by by methods such as mold technologies, carry out injection molding with the integral body of 57 pairs of winding sections 58 of bonding agent (resin) and be processed into.
In addition, the coil component that top as shown in Figure 6, that have only winding section 58 is coated by bonding agent (resin) 57 is by method processing such as following and make.
(1) as shown in Figure 7, with quantitative tripper (dispenser) 61 coating adhesives (resin) 57, and with magnetic plate 56 (Fig. 6) bonding after, the method that bonding agent (resin) 57 is solidified, perhaps
(2) shown in Fig. 8 (a), be coating adhesive (resin) 57 on the smooth supporting mass 62 in the above, shown in Fig. 8 (b), push down the winding section 58 and flange part 53a, the 53b that on circle core 52, are wound with lead 54, bonding agent (resin) 57 is shifted behind winding section 58 and flange part 53a, 53b bonding magnetic plate 56 (Fig. 6) and the method that bonding agent (resin) 57 is solidified.
But, as the coil component of the coil component of above-mentioned Fig. 4 or Fig. 6, have by bonding agent (resin) 57, coat winding section 58 around or the coil component of local structure, will produce
(1) because of the different caused temperature cycles with the linear expansion coefficient of bonding agent (resin) 57 of lead 54 cause broken string,
(2) deterioration of the coating skin of the lead 54 that causes because of bonding agent (resin) 57 moisture absorptions (that is to say, quicken) because of adding the deterioration that water decomposition etc. causes,
(3) lead 54 that causes of the chemical reaction of the coating skin of material that is contained because of bonding agent (resin) 57 and lead 54 coats the deterioration problems such as (insulation resistance deteriorations) of skins.
If will address these problems, must do not make bonding agent (resin) attached to the situation on the winding section under, on the magnetic plate is bonding by bonding agent (resin), as the to be fixed on fuse flange part.
But, if method that will be as shown in Figure 7 is such, with 61 flange part 53a of quantitative tripper (dispenser), 53b coating adhesive (resin) 57 o'clock at two ends,
(a) must be on each fuse 51, and, be coating adhesive (resin) 57 on flange part 53a, 53b respectively, thereby long processing time,
(b) essential by improving the positioning accuracy of quantitative tripper (dispenser) 61 front ends, improving the precision of bonding agent (resin) 57 coating weights, thereby bring the problems such as increase of equipment cost.
In addition, the method shown in Fig. 8 (a) and (b) is such, with coating adhesive (resin) 57 on the smooth supporting mass 62 in the above, and when it is transferred to method on flange part 53a, the 53b, exists
When (a) using usual way, winding section 58 also is coated with bonding agent (resin) 57,
(b) if by reducing the thickness of coating adhesive on supporting mass 62 (resin) 57, when preventing to be coated onto winding section 58, because of can't guaranteeing the aequum of bonding agent, and cause the decline of the adhesive strength of magnetic plate 56 and flange part 53a, 53b,
(c) if by improving the height of flange part 53a, 53b, when making bonding agent (resin) 57 be not adhered to winding section 58, the problem that the height of product is uprised.
Summary of the invention
The present invention will address the above problem, its purpose is, a kind of Wound coil component seldom, high reliability and manufacture methods thereof such as deterioration of almost not adhering to broken string bonding agent, that cause because of temperature cycles or coating the insulation resistance that the deterioration of skin causes because of lead on the winding section of twining lead is provided.
In order to achieve the above object, the manufacture method of one of the present invention's (claim 1) Wound coil component is characterised in that, comprising:
(a) have the circle core and be arranged on these circle core two ends pair of flanges portion fuse, on the described circle core in the winding lead, the end of the lead that twined is connected to operation on the electrode on the institute's allocation that is arranged on described flange part,
(b) be used for the supporting mass of coating adhesive in described pair of flanges portion, wherein, have with the described supporting mass of the flange part subtend zone of described pair of flanges portion subtend, structure that the part more folded than this flange part subtend zone is outstanding, on the described flange part subtend zone, the operation of coating adhesive
(c) will be coated in bonding agent on the described flange part subtend zone of described supporting mass, transfer to the operation of the pair of flanges portion of described fuse,
(d) with the flange part of magnetic plate from the flange part of an end to the other end across ground, bond to and shift the operation that has in the described pair of flanges of the described bonding agent portion,
(e), described magnetic plate is fixed on operation in the described pair of flanges portion by described bonding agent is solidified.
Has the flange part subtend zone of flange part subtend with the two ends that are arranged on fuse by employing, the supporting mass of the structure that the part more folded than this flange part subtend zone is outstanding, and at flange part subtend zone coating adhesive, after the bonding agent that is coated with being transferred to the flange part of fuse, bonding magnetic plate on the flange part of bonding agent is arranged in transfer, and bonding agent is solidified, thereby can be wound with on the winding section of lead, do not make bonding agent adhere to ground in fact, the magnetic plate is adhesively fixed in the pair of flanges portion, thereby can suppress the broken string that causes because of temperature cycles or coat the deterioration etc. of the insulation resistance that the deterioration of skin causes because of lead, thereby can make the Wound coil component of high reliability expeditiously.
Also have, in the present invention, the kind of bonding agent has no particular limits, but can enumerate as the bonding agent that is fit to, for example, and thermosetting epoxy resin etc.
In addition, the present invention's two Wound coil component, have the fuse that is provided with pair of flanges portion at the two ends of circle core, twine lead on the described circle core, and the end of lead is connected on the electrode on the institute's allocation that is arranged on described flange part, and, the magnetic plate is bonding to the flange part ground of the other end from the flange part of the end that constitutes described pair of flanges portion across ground, be fixed on the structure in the pair of flanges portion
It is characterized in that described magnetic plate and described flange part are bonding by bonding agent, fixing, and, on described circle core, be wound with on the winding section of lead, there is not coating adhesive in fact.
The present invention's two Wound coil component, have at the circle core and twine lead, and when its end being connected on the electrode of the institute's allocation that is arranged on flange part, with the structure of pair of flanges portion by the connection of magnetic plate, by magnetic plate and flange part is bonding by bonding agent, pair of flanges portion is connected reliably by the magnetic plate, so can guarantee desirable characteristic, and, owing on the circle core, twine on the winding section of lead, there is not applied bonding agent in fact, so can suppress, prevent the broken string that causes because of temperature cycles or coat the deterioration etc. of the insulation resistance that the deterioration of skin causes because of lead, thereby the Wound coil component of high reliability can be provided.
In addition, the present invention's three Wound coil component is characterised in that, makes by the described method of one of the present invention.
The Wound coil component that method by one of the present invention is made, because magnetic plate and flange part are bonding reliably by bonding agent, and, on the circle core, twine on the winding section of lead, there is not applied bonding agent in fact, so can suppress, prevent the broken string that causes because of temperature cycles or coat the deterioration etc. of the insulation resistance that the deterioration of skin causes because of lead, thereby the Wound coil component of high reliability can be provided more reliably.
Description of drawings
Fig. 1 is the figure of the Wound coil component of the expression embodiment of the invention 1.
Fig. 2 is the figure of an operation of manufacture method of the Wound coil component of the expression embodiment of the invention 1, (a) is the front view that is illustrated in the operation of coating adhesive on the flange part of the fuse after the coiling, (b) is the sectional side view at main position.
Fig. 3 is the figure of an operation of manufacture method of the Wound coil component of the expression embodiment of the invention 1, be illustrated in bonding magnetic plate on the flange part of the fuse after the coiling operation, with the front view of partly cut-away.
Fig. 4 is the figure of the existing Wound coil component of expression.
Fig. 5 is the figure that the major part of the existing Wound coil component of expression constitutes.
Fig. 6 is the figure of existing another example of Wound coil component of expression.
Fig. 7 is the figure of manufacture method one example of the existing Wound coil component of expression.
Fig. 8 (a) and (b) are all represented the figure of another example of the manufacture method of existing Wound coil component.
Wherein: the 1-fuse; Fuse after the 1a-coiling; 2-encloses core; 3a, 3b-flange part; The 4-lead; The 5-electrode; 6-magnetic plate (ferrite-plate); 7-bonding agent (resin); The 8-winding section; The 11-chuck mechanism; The 12-supporting mass; 12a, 12b-flange part subtend zone; The part that 12c-flange part subtend zone is folded; 13-is equipped with the container of bonding agent; 14-keeps anchor clamps (assembling anchor clamps); The 14a-recess.
Embodiment
Below, in conjunction with the accompanying drawings the embodiment of the invention is further elaborated.
Fig. 1 is the figure of the Wound coil component of the expression embodiment of the invention 1.This Wound coil component is formed by ferrite, comprising: the fuse 1 with flange part 3a, the 3b at the two ends of enclosing core 2 and being arranged on circle core 2; Be wrapped on the circle core 2 of fuse 1, end is connected to the lead 4 on the electrode 5 that is arranged on flange part 3a, 3b bottom; The magnetic plate (being ferrite-plate this embodiment) 6 that is arranged on that flange part 3b from the flange part 3a of an end to the other end goes up and the 3a of pair of flanges portion, 3b are connected across ground.
And the structure of this Wound coil component is that magnetic plate 6 is bonding by bonding agent (being the resin series bonding agent among this embodiment) 7 with flange part 3a, 3b, is wound with on the winding section 8 of lead 4 on circle core 2, is not coated with bonding agent in fact.
Wound coil component with this embodiment of said structure, because magnetic plate 6 is bonding by bonding agent 7 with flange part 3a, 3b, the 3a of pair of flanges portion, 3b connect by magnetic plate 6, so can make fuse 1 closure, form the magnetic circuit of rotation, obtain desirable electrical characteristics, and because of on circle core 2, being wound with on the winding section 8 of lead 4, be not coated with bonding agent in fact, so can prevent the broken string that produces because of temperature cycles or because of lead coats the deterioration of the insulation resistance that the skin deterioration produces, thereby can realize high reliability.
Below, the manufacture method of this Wound coil component is described.
(1) at first, shown in Fig. 2 (a), on the circle core 2 of fuse 1, twine lead 4, and keep end is connected to fuse 1a on the electrode 5 that is arranged on flange part 3a, 3b bottom, after the coiling by chuck mechanism 11.
In addition, in this embodiment, used the chuck mechanism 11 that can pick up and keep the fuse 1a after a plurality of coilings simultaneously.
Method as the fuse 1a after the maintenance coiling, though can enumerate by vacuum attraction and adsorb, keep the method for fuse 1a after the coiling, or the maintenance method of clamping of the fuse 1a after will winding the line by the holding device of forming by elastomeric material etc., but be not limited thereto.
(2) then, shown in Fig. 2 (b), preparation side section shape is a spill, has supporting mass 12 with flange part subtend zone 12a, the 12b of the flange part 3a at the two ends that are arranged on fuse 1,3b subtend, the structure more outstanding than the part 12c that is clipped in 12a, 12b centre, flange part subtend zone, supply with bonding agent 7 by the container 13 that bonding agent (being the resin series bonding agent among this embodiment) 7 is housed, on the flange part subtend zone of supporting mass 12 12a, 12b, the bonding agent 7 of thickness that coating is decided.
(3) secondly, fall fuse 1a after the coiling in company with chuck mechanism 11, flange part 3a, the 3b of the fuse 1a after a plurality of coilings shift bonding agent 7 simultaneously.
At this moment, bonding agent 7 can not be applied on the winding section 8 of the fuse 1a after respectively winding the line, and only be coated on flange part 3a, the 3b.
(4) then, as shown in Figure 3, forming by the silica gel elastomeric material, have the maintenance anchor clamps (assembling anchor clamps) 14 of a plurality of recess 14a that magnetic plate (among this embodiment for ferrite-plate) 6 is set, among each recess 14a magnetic plate 6 is set, make fuse after a plurality of coilings that kept by chuck mechanism 11 (at flange part 3a, scribbling the fuse after the coiling of bonding agent 7 on the 3b) 1a falls, and contact with magnetic plate 6 in being arranged on the recess 14a that keeps anchor clamps 14, by bonding agent 7, with the flange part 3a at the fuse 1a two ends after magnetic plate 6 and the coiling, the bottom of 3b is bonding.
(5) last, will together with keeping anchor clamps (assembling anchor clamps) 14 to send into curing oven, bonding agent 7 be solidified at the fuse 1a after a plurality of coilings that are bonded with magnetic plate 6 on flange part 3a, the 3b.
Thus, can obtain, on as shown in Figure 1, that magnetic plate 6 and flange part 3a, 3b are bonding by bonding agent, circle core 2, be wound with on the winding section 8 of lead 4, not have the Wound coil component of coating adhesive in fact.
According to above-mentioned manufacture method, owing to used the supporting mass 12 size, side section shape spill between the 3a of corresponding flange portion, the 3b, so coating adhesive 7 on flange part 3a, 3b only, thereby can prevent from winding section 8, to adhere to bonding agent 7 reliably.
In addition, because by chuck mechanism 11, can once pick up the fuse 1a after a plurality of coilings, and bonding magnetic plate 6 on the fuse 1a after each coiling once, so can improve working (machining) efficiency, thereby can enhance productivity.
In the above-described embodiments, though the situation of using the fuse that is formed by ferrite is illustrated, the material of formation fuse is not limited thereto, and also can use as various insulating material such as aluminium oxide or magnetic material etc.
In addition, in the above-described embodiments, though the situation of using the magnetic plate that is formed by ferrite is illustrated, the material that constitutes the magnetic plate is not limited thereto, and also can use the magnetic plate that is formed by other magnetic material.
In addition, substitute the magnetic plate, also can constitute by the sheet material that is formed by insulating material such as aluminium oxide is set, in this case, the effects such as absorption reliability of the vacuum suction leading edge when the protection effect of the lead that can be improved or installation.
The present invention, even in other respects, also be not limited to the foregoing description, for the concrete shape of circle core, flange part and electrode, constituent material or the winding form of lead, the kind of bonding agent etc. of lead, as long as in the scope of invention main points, various variations, distortion can be arranged.
As mentioned above, the manufacture method of one of the present invention's Wound coil component is, employing has the flange part subtend zone of flange part subtend with the two ends that are arranged on fuse, the supporting mass of the structure more outstanding than part folded in the middle of this flange part subtend zone, at flange part subtend zone coating adhesive, and after applied bonding agent being transferred to the flange part of fuse, the magnetic plate is bonded on the flange part of transfer by bonding agent, and bonding agent is solidified, so can be wound with on the winding section of lead, do not make bonding agent (resin) adhere to ground in fact, the magnetic plate is adhesively fixed in the pair of flanges portion, thereby, can suppress the broken string that causes because of temperature cycles or coat the deterioration etc. of the insulation resistance that the deterioration of skin causes because of lead, thereby can make the Wound coil component of high reliability expeditiously.
In addition, the present invention's two Wound coil component is, have on the circle core and twine lead, its end is connected on the electrode of the institute's allocation that is arranged at the flange part that is located at the fuse two ends, and, by the Wound coil component of magnetic plate with the structure of pair of flanges portion connection, because magnetic plate and flange part are bonding by bonding agent, pair of flanges portion connects reliably by the magnetic plate, so, when can guarantee desirable characteristic, owing on the circle core, twine on the winding section of lead, there is not applied bonding agent in fact, so can suppress, prevent the broken string that causes because of temperature cycles or coat the deterioration etc. of the insulation resistance that the deterioration of skin causes because of lead, thereby the Wound coil component of high reliability can be provided.
In addition, that method by one of the present invention is made, as the present invention's three Wound coil component, because magnetic plate and flange part are by bonding agent bonding reliably the time, on the circle core, twine on the winding section of lead, there is not applied bonding agent in fact, so can suppress, prevent the broken string that causes because of temperature cycles or coat the deterioration etc. of the insulation resistance that the deterioration of skin causes because of lead, thereby the Wound coil component of high reliability can be provided more reliably.
Claims (3)
1. the manufacture method of a Wound coil component is characterized in that, comprising:
(a) have the circle core and be arranged on these circle core two ends pair of flanges portion fuse, on the described circle core in the winding lead, the end of the lead that twined is connected to operation on the electrode on the institute's allocation that is arranged on described flange part,
(b) be used for the supporting mass of coating adhesive in described pair of flanges portion, wherein, have with the described supporting mass of the flange part subtend zone of described pair of flanges portion subtend, structure that the part more folded than this flange part subtend zone is outstanding, on the described flange part subtend zone, the operation of coating adhesive
(c) will be coated in bonding agent on the described flange part subtend zone of described supporting mass, transfer to the operation of the pair of flanges portion of described fuse,
(d) with the flange part of magnetic plate from the flange part of an end to the other end across ground, bond to and shift the operation that has in the described pair of flanges of the described bonding agent portion,
(e), described magnetic plate is fixed on operation in the described pair of flanges portion by described bonding agent is solidified.
2. Wound coil component, have the fuse that is provided with pair of flanges portion at the two ends of circle core, twine lead on the described circle core, and the end of lead is connected on the electrode on the institute's allocation that is arranged on described flange part, and, the magnetic plate is bonding across ground to the flange part of the other end from the flange part of the end that constitutes described pair of flanges portion, be fixed on the structure in the pair of flanges portion
It is characterized in that described magnetic plate and described flange part are bonding by bonding agent, fixing, and, on described circle core, be wound with on the winding section of lead, there is not coating adhesive in fact.
3. Wound coil component according to claim 2 is characterized in that, makes by the described method of claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001276919A JP2003086442A (en) | 2001-09-12 | 2001-09-12 | Method for manufacturing wound coil component and coil component |
| JP2001276919 | 2001-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1404079A true CN1404079A (en) | 2003-03-19 |
Family
ID=19101545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02127703A Pending CN1404079A (en) | 2001-09-12 | 2002-08-07 | Production method of winding coil parts and coil parts |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2003086442A (en) |
| KR (1) | KR20030023471A (en) |
| CN (1) | CN1404079A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951489A (en) * | 2012-11-14 | 2013-03-06 | 海宁联丰东进电子有限公司 | Semi-automatic adhesive tape adhering equipment for magnetic core of transformer |
| CN106229109A (en) * | 2015-06-02 | 2016-12-14 | 株式会社村田制作所 | The manufacture method of wire-wound coils |
| CN107045930A (en) * | 2016-02-09 | 2017-08-15 | 株式会社村田制作所 | The manufacture method of wire-wound coils |
| CN111009404A (en) * | 2015-04-02 | 2020-04-14 | 胜美达集团株式会社 | Manufacturing method of coil component and clamp for manufacturing coil component |
| CN113497537A (en) * | 2020-04-02 | 2021-10-12 | 日本电产三协株式会社 | Actuator |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2213446B1 (en) * | 2002-03-27 | 2005-11-01 | Bobinados Oses, S.L. | MANUFACTURING PROCESS AND COMPONENTS FOR THE FASTENING OF THE FERRITAS TO THE REELS. |
| JP2005322776A (en) * | 2004-05-10 | 2005-11-17 | Tdk Corp | Coil component |
| JP4779693B2 (en) * | 2006-02-17 | 2011-09-28 | 株式会社村田製作所 | Electronic component manufacturing equipment |
| JP4716129B2 (en) * | 2006-10-03 | 2011-07-06 | Ｔｄｋ株式会社 | Inductor component manufacturing apparatus and method |
| JP4984172B2 (en) * | 2008-06-26 | 2012-07-25 | Ｔｄｋ株式会社 | Coil parts |
| JP6477622B2 (en) | 2016-07-15 | 2019-03-06 | 株式会社村田製作所 | Coil parts |
| JP6891767B2 (en) * | 2017-11-18 | 2021-06-18 | 株式会社村田製作所 | Coil parts |
| JP6784266B2 (en) * | 2018-01-30 | 2020-11-11 | 株式会社村田製作所 | Coil parts and manufacturing method of coil parts |
-
2001
- 2001-09-12 JP JP2001276919A patent/JP2003086442A/en active Pending
-
2002
- 2002-08-01 KR KR1020020045528A patent/KR20030023471A/en not_active Application Discontinuation
- 2002-08-07 CN CN02127703A patent/CN1404079A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102951489A (en) * | 2012-11-14 | 2013-03-06 | 海宁联丰东进电子有限公司 | Semi-automatic adhesive tape adhering equipment for magnetic core of transformer |
| CN102951489B (en) * | 2012-11-14 | 2015-09-30 | 海宁联丰东进电子有限公司 | A kind of magnetic core of transformer S. A. rubberizing equipment |
| CN111009404A (en) * | 2015-04-02 | 2020-04-14 | 胜美达集团株式会社 | Manufacturing method of coil component and clamp for manufacturing coil component |
| CN106229109A (en) * | 2015-06-02 | 2016-12-14 | 株式会社村田制作所 | The manufacture method of wire-wound coils |
| CN107045930A (en) * | 2016-02-09 | 2017-08-15 | 株式会社村田制作所 | The manufacture method of wire-wound coils |
| CN113497537A (en) * | 2020-04-02 | 2021-10-12 | 日本电产三协株式会社 | Actuator |
| CN113497537B (en) * | 2020-04-02 | 2023-06-16 | 日本电产三协株式会社 | Actuator with a spring |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003086442A (en) | 2003-03-20 |
| KR20030023471A (en) | 2003-03-19 |
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