CN103310957B - Coil member - Google Patents
Coil member Download PDFInfo
- Publication number
- CN103310957B CN103310957B CN201310080027.1A CN201310080027A CN103310957B CN 103310957 B CN103310957 B CN 103310957B CN 201310080027 A CN201310080027 A CN 201310080027A CN 103310957 B CN103310957 B CN 103310957B
- Authority
- CN
- China
- Prior art keywords
- terminal
- coil
- terminal fittings
- core
- brim
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The invention provides a coil member, which can be used to cut and remove the unexpected part of the lead after the thermo-compression, and can be used to provide the solder of the terminal surface having the good infiltration performance. The coil part (1) is provided with a coil (7), which can be formed by winding the lead; a drum-shaped core (2) used to support the coil (7), and terminal accessories (6a-6f) connected with the coil (7). Brim parts (4A,4B) of the drum-shaped core (2) are provided with bottom surfaces (SB) parallel to the extension direction of the terminal part of the coil (7). The terminal accessories (6a-6f) are provided with bottom surface parts (TB) disposed on the bottom surface(SB),and side surface part (TS) disposed on side surfaces (SS). The bottom surfaces (TB) comprise upper segment parts (TB1)contacted with upper segment surfaces (SU) of the terminal part of the coil (7),and lower segment parts (TB2), which are disposed on the extension line of the terminal part of the coil (7) and on the same plane as the upper segment surfaces (SU), and is free of terminal surfaces.
Description
Technical field
The present invention relates to the terminal electrode construction of coil component, more particularly to surface mounting type coil unit.
Background technology
Along with the miniaturization of electronic equipment in recent years, for coil component, high-density installation is also required that.For example
Patent Document 1 discloses the coil component of the surface installing type for being capable of high-density installation.
The coil component possesses the core with core and brim part（core）, formed core receiving space insulating properties
Box body（case）, be mechanically fixed in the state of at least a portion is exposed to outside the terminal fittings of box body, line in
Terminal fittings and the coil being wound in via box body around core（Wire）.The receiving space of core is included and mounting surface
Generally parallel bottom surface and divided, the lower surface of core and brim part respectively with the core for standing erect relative with bottom surface
With the lower surface of brim part, the lower surface of core is in the same plane relative to the lower surface of brim part.In box body
The regulation foot prominent to mounting surface the installation portion of terminal fittings is configured at into foot on the position relative with brim part.
Prior art literature
Patent documentation
Patent documentation 1：Japanese patent application discloses 2009-117627 publications
The content of the invention
Invent problem to be solved
In above-mentioned coil component, the leading section hot pressing of wire is connected to terminal with connecting through for terminal fittings by wire
Realize on accessory.If wire hot pressing is connected to terminal fittings, then the wire rod of wire（Cu）With the surface of terminal fittings
Plated film（Ni and Sn）React and form alloy-layer.Here, because the fusing point of alloy-layer is high, by coil component
When being installed on circuit substrate, the part becomes the composition surface of solder, and in the case, becoming makes under the wellability of solder
The main cause of drop.Particularly such as Fig. 9（a）It is shown, if by the position alignment end of the leading section 20e for being hot pressed the wire 20 for connecing
If the end of the terminal surface of subassembly 21, then the end of the terminal surface from the bearing of trend of wire to end, i.e., in terminal
Alloy-layer is formed in the wide scope in face, so as to there is alloy-layer to hinder fillet of solder（solder fillet）Formation and cause peace
Fill bad worry.
In order to solve the problem, such as Fig. 9（b）It is shown, the leading section 20e of wire 20 can not be set in terminal fittings
The end of terminal surface and be set on the inside of which（Near central authorities）.In the case, the wire 20 drawn in the core from core leads to
After crossing the terminal surface of terminal fittings 21 and being drawn in front of which, it should lead as the rear of the position of the leading section of wire
Line part（Bold portion）It is hot pressed and is connected to terminal surface, the conductor part in front（With reference to dotted line）Cut-out is needed to remove.But, such as
Fruit front conductor part be contacted with the terminal surface of terminal fittings 21 if, then the surface of terminal fittings plated film due to hot pressing
When connecing heat and occur melting when, wire is adhered to the surface of terminal fittings, can not cut off well so as to have
The problem removed.
The technological means of solve problem
In order to solve the above problems, coil component involved in the present invention, it is characterised in that possess coiled electrical conductor
Coil, the matrix for supporting the coil, be connected with the coil terminal part terminal fittings, described matrix with the line
Parallel the 1st surface of bearing of trend of the terminal part of circle, the terminal fittings have the described 1st positioned at described matrix
The 1st portion of terminal on surface, the 1st portion of terminal comprising the contact site with the 1st terminal surface contacted with the terminal part,
On the extended line of the terminal part and with the 1st terminal surface identical plane on terminal surface noncontact
Portion.
According to the present invention, because the terminal part of wire is not crimped on the surface of terminal fittings, energy in thermo-compression bonding
The crimping of the terminal part of wire is avoided enough, the cut-out that can reliably and easily enter row conductor after thermo-compression bonding is removed.
In the present invention, it is preferred to, the 1st portion of terminal is with the step-difference shape being made up of epimere portion and hypomere portion, institute
The surface for stating epimere portion is the 1st terminal surface of the contact site, and the surface in the hypomere portion is to be arranged at the noncontact
2nd terminal surface in portion.According to this composition, widely can guarantee to be soldered the area of the terminal surface installed.In addition, in crimping
Improperly the terminal part of coil can also be positioned, be capable of the terminal part of easily crimping lead wire.
In the present invention, it is preferred to, the 1st surface of described matrix has the jump shape for being matched with the 1st portion of terminal
The jump face of shape.According to this composition, the jump face on the surface of matrix along terminal fittings can be made such that it is able to reliably support
The entirety of terminal fittings.
In the present invention, it is preferred to, described matrix is with the 2nd surface with the 1st perpendicular, the terminal fittings
There is for L fonts and further the 2nd portion of terminal on the 2nd surface of described matrix, the 2nd portion of terminal is bondd
The 2nd surface is fixed on, the 1st portion of terminal is not adhesively secured in the 1st surface.According to this composition, can eliminate
The height of the terminal fittings caused due to the inequality of the coating weight of binding agent is uneven.
In the present invention, it is preferred to, at least at the back side of the 1st portion of terminal being provided with the position of the non-contact portion
Gap is set and the 1st surface of described matrix between.According to this composition, when the terminal part of coil is cut off, by holding
The elastic force of subassembly and buffering when can give cut-out, the terminal part thus, it is possible to be assuredly shut off coil.
In the present invention, it is preferred to, described matrix is with the core for winding the coil and is arranged at the core
The drum type core of a pair of brim parts at two ends, the terminal fittings are arranged at the brim part.According to this composition, drum is being used
In the coil component of the surface installing type of core, it is possible to increase line has the wellability of the solder of the terminal surface of wire, so as to
Enough reliabilities for improving electricity and being mechanically connected.
The effect of invention
In accordance with the invention it is possible to be assuredly shut off be thermally compressed after wire unnecessary portion and which is easily removed.
Therefore, it is possible to realize the coil component of the good terminal surface of wellability with solder.
Description of the drawings
Fig. 1 is the general perspective view that the outward appearance of the coil component involved by the 1st embodiment for representing the present invention is constituted.
Fig. 2 is the exploded perspective view of the coil component of Fig. 1.
Fig. 3 is the general perspective view for representing the state for spinning upside down the coil component of Fig. 1.
Fig. 4 is the general perspective view of the composition for representing drum type core 2, and is to represent the shape for being provided with terminal fittings 6a～6f
The figure of state.
Fig. 5 represents the drum type core 2 of the state for not having terminal fittings 6a～6f and represents bottom surface rollover states upward.
Fig. 6 is the composition of the brim part for being mounted with terminal fittings,（a）It is the general plane figure of the brim part from terms of bottom surface side,
（b）It is the general plane figure from brim part in terms of outer lateral side side.
Fig. 7（a）And（b）It is to represent to be respectively arranged in brim part 4A, the general lateral of the shape of the terminal fittings of 4B is cut
Face figure.
Fig. 8（a）~（c）It is the ideograph of the thermo-compression bonding operation of the wire that heating sheet has been used for explanation.
Fig. 9（a）And（b）It is the ideograph for illustrating to existing coil component.
Specific embodiment
Hereinafter, referring to the drawings, while being preferred embodiment described in detail to the present invention.
Fig. 1 is the big of the outward appearance composition of the surface mounting type coil unit involved by the 1st embodiment for representing the present invention
Cause axonometric chart.In addition, Fig. 2 is the exploded perspective view of the coil component of Fig. 1, Fig. 3 is to represent that the coil component for making Fig. 1 spins upside down
State general perspective view.
As shown in FIG. 1 to 3, the coil component 1 possesses drum type core（drum core）2nd, 5,6 terminal fittings of slab core
6a～6f, by the wire for being wound in drum type core 2（wire）The coil 7 of composition.Although there is no particular limitation, coil component
1 is the pulse transformer of surface installing type, and its size is for about 4.5 × 3.2 × 2.6mm.
Drum type core 2 is for example made up of the magnetic material of Ni-Zn class ferrites etc., the core 3 with convolute coil 7,
It is configured at a pair of brim part 4A, 4B at the two ends of core 3.Slab core 5 is also by the magnetic material institute structure of Ni-Zn class ferrites etc.
Into, it is placed in a pair of brim part 4A, the upper surface of 4B, and it is fixed by binding agent etc..
The upper surface of slab core 5 because being flat even surface, it is possible to when mounted using the even surface as absorption
Coil component 1 is installed to adsorb in face.Further, with brim part 4A, the surface of the bonding slab core 5 of the upper surface of 4B is preferably also
Even surface.Contacted by the smooth surface of slab core 5 and brim part 4A, 4B such that it is able to reliably make both closely attached
Such that it is able to which formation does not have the closed magnetic circuit that magnetic flux is revealed.
Terminal fittings 6a～6f is from brim part 4A, the sheet metal of the bottom surface to the extended L fonts of outer lateral side of 4B.
Here, the outer lateral side of so-called brim part, it is the face of the opposition side of mounting surface positioned at core 3.These terminal fittings 6a～
6f is preferably from one piece of metallic plate of processing the part that the lead frame for obtaining cuts out.Terminal fittings 6a～6f is with the shape of lead frame
State is adhesively secured in drum type core 2, becomes independent terminal by cutting off from frame portion.In the feelings using terminal fittings 6a～6f
Under condition, compared with plating electrode, which forms easy, is also advantageous in terms of the cost in volume production.Further, end can be improved
The positional precision during installation of subassembly 6a～6f.
In terminal fittings 6a～6f, 3 terminal fittings 6a, 6b, 6c are arranged at brim part 4A sides, other 3 terminals
Accessory 6d, 6e, 6f are arranged at brim part 4B sides.Further, in 3 terminal fittings 6a, 6b, in 6c, 2 terminal fittings 6a, 6b
It is arranged near the right side of brim part 4A, terminal fittings 6c is arranged near the left side of brim part 4A, is set therebetween
It is equipped with certain insulation gap.Identical with this, in 3 terminal fittings 6d, 6e, in 6f, 2 terminal fittings 6d, 6e are arranged at
Near the right side of brim part 4B, terminal fittings 6f is arranged near the left side of brim part 4B, is provided with therebetween certain
Insulation gap.
As shown in Fig. 2 the terminal fittings 6a～6f of L fonts respectively with brim part 4A, the bottom surface of 4B（1st surface）Phase
Bottom surface sections T for connecingB（1st portion of terminal）, and brim part 4A, 4B outer lateral side（2nd surface）Side surface part T for connectingS（2nd terminal
Portion）.And, as shown in figure 3, the terminal part of coil 7 is hot pressed bottom surface sections T for being connected to terminal fittings 6a～6fBSurface.
Fig. 4 is the general perspective view of the composition for representing drum type core 2, and is to represent the shape for being provided with terminal fittings 6a～6f
The figure of state.In addition, Fig. 5 is to represent the drum type core 2 of the state for not having terminal fittings 6a～6f and represent bottom surface turning over upward
Turn state.Further, Fig. 6（a）It is the general plane figure of the brim part 4A from terms of bottom surface side, Fig. 6（b）It is from the brim of a hat in terms of outer lateral side side
The general plane figure of portion 4A.
As shown in FIG. 4 and 5, drum type core 2 is by core 3 and a pair of brim part 4A at the two ends for being configured at core 3,
4B is constituted.Drum type core 2 is rotational symmetric shape in plan view, and brim part 4A, 4B are of similar shape.Therefore,
Brim part 4A is only represented in figure 6, omits the diagram of brim part 4B.
As shown in figure 4, the upper surface S of brim part 4A, 4BTFor smooth tabular surface, thus, it is possible to improve and slab core 5
Close attachment.As previously discussed, in brim part 4A, the upper surface S of 4BTBetween set up have slab core 5, thus, it is possible to form reality
Closed magnetic circuit in matter.
Such as Fig. 4, Fig. 5 and Fig. 6（b）It is shown, brim part 4A, outer lateral side S of 4BS, the setting of terminal fittings 6a～6f
Region is low, and the region beyond which becomes high jump face.Terminal fittings 6a～6f is arranged at outer lateral side SSHypomere face SS1,
Outer lateral side SSEpimere face SS2Height carried out in the form of becoming the basic the same face of upper surface with terminal fittings 6a～6f
Formed.In Fig. 6（b）In, shadowed region is epimere face SS2, shadeless region is hypomere face SS1。
Such as Fig. 5 and Fig. 6（a）It is shown, the bottom surface S of brim part 4A, 4BB, the base end part side of terminal fittings 6a～6f sets
Put region high, the region beyond which becomes low jump face.That is, the setting area of terminal fittings 6a～6f is provided with epimere face
SB2With hypomere face SB1, the major part of the non-setting area of terminal fittings 6a～6f is hypomere face SB1.And, terminal fittings 6a～
Bottom surface sections T of 6fBBase end part side be arranged at brim part 4A, the bottom surface S of 4BBEpimere face SB2, terminal fittings 6a～6f's
Bottom surface sections TBCorner side be arranged at brim part 4A, the bottom surface S of 4BBHypomere face SB1.In Fig. 6（a）In, shadowed area
Domain is epimere face SB2, shadeless region is hypomere face SB1。
Fig. 7（a）And（b）It is to represent to be respectively arranged in brim part 4A, the shape of the terminal fittings 6a～6f of 4B is substantially
Side cross-sectional views,（a）It is the general lateral figure comprising drum type core entirety,（b）Put part for the terminal fittings of brim part 4A sides
It is big to scheme.Further, the composition of brim part 4B sides is identical with brim part 4A sides.
Such as Fig. 7（a）And（b）It is shown, bottom surface sections T of the terminal fittings 6a～6f of L fontsBAnd side surface part TSRespectively with
The bottom surface S of brim part 4A, 4BB（1st surface）And outer lateral side SS（2nd surface）Connect.Here, side surface part TSBy binding agent
11 and be adhesively secured outer lateral side S in brim partSBut, bottom surface sections TBIt is not adhesively secured the bottom surface S in brim partB.Root
According to this composition, bottom surface sections T of the terminal fittings 6a～6f that can be eliminated the uneven of the coating weight due to binding agent and causeBHeight
Degree is uneven.
It is bonded to bottom surface sections T of the terminal fittings 6a～6f of the terminal part of coil 7BWith step-difference shape.And, brim part
The bottom surface S of 4A, 4BBJump face become the shape of the step-difference shape for being matched with terminal fittings 6a～6f.
Bottom surface sections T of terminal fittings 6a～6fBBy being disposed in proximity to brim part 4A, the inner side surface of 4B（Near core
3）Epimere portion TB1, and be disposed in proximity to brim part 4A, outer lateral side S of 4BSHypomere portion TB2Constituted.Here, epimere
Portion TB1To provide the terminal surface contacted with the terminal part of coil 7（Epimere face SU）Position（Contact site）, hypomere portion TB2To carry
For the discontiguous terminal surface with the terminal part of coil 7（Hypomere face SL）Position（Non-contact portion）.That is, hypomere portion TB2With epimere
Face SUThere is no in identical plane terminal surface.
Bottom surface sections T of terminal fittings 6a～6fBEpimere face SUThe terminal part to coil 7 is born in offer in thermo-compression bonding
" electrolysis " of crimp force.In addition, bottom surface sections T of terminal fittings 6a～6fBHypomere face SLOffer makes the terminal part to coil 7
Crimp force release " non-depressed junction ".By bottom surface sections T of terminal fittings 6a～6fBWith by epimere face SUAnd hypomere face
SLThe jump face of composition such that it is able to avoid the coil of the terminal part of coil 7 in the bottom surface sections of terminal fittings 6a～6f
Bearing of trend whole width and be hot pressed and connect.Therefore, it is possible to widely guarantee to be formed without the reaction by wire and plated film
And the region of the alloy-layer for producing such that it is able to cut-out that is reliable and easily entering row conductor is removed.
In bottom surface sections T of terminal fittings 6a～6fBHypomere portion TB2The back side and brim part 4A, the hypomere face S of 4BB1Side
Gap d is preferably provided between surface1.In such gap d1In the case of being set, after thermo-compression bonding, at the end of cut-out coil 7
When end, for cutter（cutter）, the buffering by produced by the elastic force of terminal fittings 6a～6f can be given.Cause
This, can be assuredly shut off the terminal part of coil 7.
In Fig. 7（b）In, side surface part T is only adhesively fixed by binding agent 11S, but side surface part T can also be adhesively fixedSAnd bottom
Facial TBHypomere portion TB2（Gap d1Part）2 it is local.In the case, epimere portion TB1Do not bondd.According to this
Constitute, be prevented from bottom surface sections T of terminal fittings 6a～6fBHeight it is uneven, and can further improve its adhesion strength.
Fig. 8（a）~（c）It is the ideograph for illustrating the thermo-compression bonding operation of the terminal part of coil 7.
Such as Fig. 8（a）It is shown, in thermo-compression bonding operation, the terminal part for being wound in the coil 7 of the core 3 of drum type core 2 is matched somebody with somebody
Line is on corresponding terminal fittings 6a～6f.The terminal part of coil 7 leads to brim part 4A by terminal fittings 6a～6f,
The outside of 4B, with brim part 4A, the bottom surface of 4B extends substantially in parallel.
Then, such as Fig. 8（b）It is shown, using heating sheet 12 come by the terminal part hot pressing of coil 7 be connected to terminal fittings 6a～
The surface of 6f.Positioned at bottom surface sections T of terminal fittings 6a～6fBEpimere face SUTop conductor part be clamped into heating it is thin
Piece 12 and epimere face SUBetween, and terminal surface is pushed to by the crimp force of the heating sheet 12 of high temperature, the wire rod of wire
（Cu）With the plated film of terminal surface（Ni and Sn）Alloying and obtain sufficient engaging force.
On the other hand, positioned at bottom surface sections T of terminal fittings 6a～6fBHypomere face SLTop conductor part hide into
Heating sheet 12 and hypomere face SLBetween gap d2, it is not given epimere face SUSuch sufficient crimp force.Therefore, it is possible to
Avoid the thermo-compression bonding of the terminal surface to the conductor part.
Such as Fig. 8（c）Shown, so, hot pressing is connected to the terminal part of the coil 7 on terminal fittings 6a～6f, is cut by cutter 13
Break and arrange its length.Now, the off-position of coil 7 is near the jump of terminal fittings 6a～6f.In the terminal part of coil 7
Cut-out when, the remaining line part 7r for not being hot pressed the wire for connecing is not adhered to terminal surface, if or thermo-compression bonding when by
The plated film that melted and be adhered to terminal surface, its adhesion strength is weaker, so only applying fraction of power and being stripped.As a result,
In bottom surface sections T of terminal fittingsBSurface in wire be only hot pressed and be connected to epimere face SU, in hypomere face SLOn become no wire
State.
In epimere face SU, become the region of the wellability difference of solder around wire due to alloying, but in its week
The region that also further there is non-alloying is enclosed, the region contributes to solder connection.On the other hand, in hypomere face SLDo not exist
Wire, becomes the good region of the wellability of solder.Hypomere face SLIt is side surface part T with terminal fittingsSThe part for connecting, and be
When surface is installed with side surface part TSContribute to the part of the formation of fillet of solder together.Therefore, to such coil component 1
In the case of carrying out surface installation, it is possible to increase the wellability of the solder of terminal fittings 6a～6f such that it is able to from terminal fittings
Hypomere portion TB2To side surface part TSIt is reliably formed fillet of solder.Therefore, it is possible to improve the electricity and mechanical connection of coil component 1
Reliability.
As described above, the coil component 1 involved by present embodiment is because in the terminal part for being bonded to coil 7
Terminal fittings 6a～6f terminal surface on be provided with the jump face avoided with the contact of the leading section of coil 7, so for leading
Leading section can be avoided for line to be hot pressed and to be connected to terminal surface.Leading after being thermally compressed therefore, it is possible to reliability and easily
The cut-out of line is removed.
In addition, in the present embodiment, with the non-contact portion of the terminal part of wire because being less than the electrode surface of contact site,
It is possible to widely guaranteeing the electrode surface of terminal fittings.Therefore, do not need for the positioning of the terminal part of coil high
Precision, can easily be thermally compressed the terminal part of wire.
Further, in the present embodiment, because in the brim part 4A of the drum type core 2 for being provided with terminal fittings 6a～6f, 4B
Bottom surface SBOn be provided with jump face, it is possible to improving the close attachment of terminal fittings and its mounting surface such that it is able to can
Terminal fittings are supported by ground.
The present invention is not limited to the embodiment of the above, can increase each without departing from the scope of spirit of the present invention
The change of various kinds is planted, these changes are also contained in the present invention certainly.
For example, in the above-described embodiment, as the matrix of convolute coil, using the core with convolute coil and setting
The drum type core of the horizontal type of a pair of brim parts at its two ends is placed in, but the drum type core of so-called longitudinal type can also be used.In addition, terminal
The installation number of accessory is not particularly limited.Further, in the above-described embodiment, terminal fittings are directly bonded to drum type
The surface of core, but drum type core can also be contained in resin box body（Cylinder）, and terminal fittings are installed on into the resin box body
Surface.
In addition, in the above-described embodiment, non-contact portion is realized by jump face, but can also be the terminal positioned at wire
Notch after a part of punched processing of the terminal fittings on the extended line in portion.In the case, terminal fittings are only produced
Wall thickness part jump, so for wire, leading section can be avoided to be hot pressed is connected to terminal surface.Therefore, it is possible to reliability
And the cut-out of the wire after being easily thermally compressed is removed.
The explanation of symbol
1 coil component
2 drum type cores
3 cores
4A, 4B brim part
5 slab cores
6a～6f terminal fittings
7 coils
7r residue lines part
11 binding agents
12 heating sheets
13 cutters
20 wires
20e leading sections
21 terminal fittings
d1Gap
d2Gap
SBThe bottom surface of brim part
SB1The hypomere face of the bottom surface of brim part
SB2The epimere face of the bottom surface of brim part
SLThe hypomere face of the bottom surface sections of terminal fittings
SSThe outer lateral side of brim part
SS1The hypomere face of the outer lateral side of brim part
SS2The epimere face of the outer lateral side of brim part
STThe upper surface of brim part
SUThe epimere face of the bottom surface sections of terminal fittings
TBThe bottom surface sections of terminal fittings
TB1The epimere portion of the bottom surface sections of terminal fittings
TB2The hypomere portion of the bottom surface sections of terminal fittings
TSThe side surface part of terminal fittings
Claims (5)
1. a kind of coil component, it is characterised in that：
Possess：
The coil of coiled electrical conductor；
Support the matrix of the coil；And
The terminal fittings of the terminal part of the coil are connected with,
Described matrix with 1st surface parallel with the bearing of trend of the terminal part of the coil,
The terminal fittings have the 1st portion of terminal on the 1st surface of described matrix,
1st portion of terminal is included：
Contact site with the 1st terminal surface contacted with the terminal part；And
On the extended line of the terminal part and with the 1st terminal surface identical plane on have the non-of terminal surface connect
Contact portion,
1st portion of terminal with the step-difference shape being made up of epimere portion and hypomere portion,
The surface in the epimere portion is the 1st terminal surface of the contact site,
The surface in the hypomere portion is the 2nd terminal surface for being arranged at the non-contact portion.
2. coil component as claimed in claim 1, it is characterised in that：
The jump face that 1st surface of described matrix coordinates with the step-difference shape with the 1st portion of terminal.
3. coil component as claimed in claim 1 or 2, it is characterised in that：
Described matrix with the 2nd surface with the 1st perpendicular,
The terminal fittings be L fonts and further have positioned at described matrix the 2nd surface on the 2nd portion of terminal,
2nd portion of terminal is adhesively secured in the 2nd surface,
1st portion of terminal is not adhesively secured in the 1st surface.
4. coil component as claimed in claim 3, it is characterised in that：
At least at the back side of the 1st portion of terminal being provided with the position of the non-contact portion and the described 1st of described matrix
Gap is set between surface.
5. coil component as claimed in claim 1 or 2, it is characterised in that：
Described matrix is a pair of brim parts with the core for being wound with the coil and the two ends for being arranged at the core
Drum type core,
The terminal fittings are arranged at the brim part.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012056249A JP5673585B2 (en) | 2012-03-13 | 2012-03-13 | Coil parts |
| JP2012-056249 | 2012-03-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103310957A CN103310957A (en) | 2013-09-18 |
| CN103310957B true CN103310957B (en) | 2017-04-26 |
Family
ID=49136067
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310080027.1A Active CN103310957B (en) | 2012-03-13 | 2013-03-13 | Coil member |
| CN 201320113160 Withdrawn - After Issue CN203242470U (en) | 2012-03-13 | 2013-03-13 | Coil component |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320113160 Withdrawn - After Issue CN203242470U (en) | 2012-03-13 | 2013-03-13 | Coil component |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5673585B2 (en) |
| CN (2) | CN103310957B (en) |
| TW (1) | TWI462132B (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5673585B2 (en) * | 2012-03-13 | 2015-02-18 | Tdk株式会社 | Coil parts |
| JP5811139B2 (en) * | 2012-10-16 | 2015-11-11 | Tdk株式会社 | Coil parts |
| JP6303341B2 (en) * | 2013-09-03 | 2018-04-04 | Tdk株式会社 | Coil parts |
| JP6406173B2 (en) * | 2015-02-12 | 2018-10-17 | 株式会社村田製作所 | Coil parts |
| JP6554947B2 (en) * | 2015-07-06 | 2019-08-07 | Tdk株式会社 | Coil component and manufacturing method thereof |
| JP2017092349A (en) | 2015-11-13 | 2017-05-25 | Tdk株式会社 | Coil device |
| JP6589594B2 (en) * | 2015-11-20 | 2019-10-16 | Tdk株式会社 | Coil device |
| JP6642006B2 (en) * | 2016-01-05 | 2020-02-05 | Tdk株式会社 | Coil component and circuit board having the same |
| JP6465068B2 (en) * | 2016-04-28 | 2019-02-06 | 株式会社村田製作所 | Coil parts |
| JP6797676B2 (en) * | 2016-05-31 | 2020-12-09 | 太陽誘電株式会社 | Coil parts |
| JP6565807B2 (en) * | 2016-06-29 | 2019-08-28 | 株式会社村田製作所 | Coil parts |
| JP6743659B2 (en) * | 2016-11-09 | 2020-08-19 | Tdk株式会社 | Coil device |
| 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 |
| JP7450331B2 (en) * | 2018-10-03 | 2024-03-15 | Tdk株式会社 | Coil devices and pulse transformers |
| JP7103254B2 (en) | 2019-02-07 | 2022-07-20 | 株式会社村田製作所 | Coil parts |
| JP7381257B2 (en) * | 2019-08-30 | 2023-11-15 | 太陽誘電株式会社 | Coil parts, electronic equipment, and manufacturing method of coil parts |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334572A (en) * | 2000-07-17 | 2002-02-06 | 株式会社村田制作所 | Plate type common mode choke |
| JP2003188018A (en) * | 2001-12-17 | 2003-07-04 | Minebea Co Ltd | Wound type common-mode chock coil |
| JP2009117627A (en) * | 2007-11-07 | 2009-05-28 | Tdk Corp | Surface-mounted type coil component |
| JP2011082463A (en) * | 2009-10-09 | 2011-04-21 | Tdk Corp | Coil component and manufacturing method thereof |
| JP2011138914A (en) * | 2009-12-28 | 2011-07-14 | Tdk Corp | Coil component |
| CN203242470U (en) * | 2012-03-13 | 2013-10-16 | Tdk株式会社 | Coil component |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08279416A (en) * | 1995-04-05 | 1996-10-22 | Fuji Elelctrochem Co Ltd | Core for chip inductor |
| JP3450140B2 (en) * | 1996-12-26 | 2003-09-22 | 京セラ株式会社 | Chip inductor |
| JP2003022916A (en) * | 2001-05-02 | 2003-01-24 | Taiyo Yuden Co Ltd | Coil component and method for manufacturing coil component |
| JP2004228361A (en) * | 2003-01-23 | 2004-08-12 | Murata Mfg Co Ltd | Chip coil |
| JP3996145B2 (en) * | 2004-05-28 | 2007-10-24 | Ｔｄｋ株式会社 | Coil parts |
| JP5223884B2 (en) * | 2010-06-01 | 2013-06-26 | Ｔｄｋ株式会社 | Coil parts |
-
2012
- 2012-03-13 JP JP2012056249A patent/JP5673585B2/en active Active
- 2012-12-12 TW TW101146834A patent/TWI462132B/en active
-
2013
- 2013-03-13 CN CN201310080027.1A patent/CN103310957B/en active Active
- 2013-03-13 CN CN 201320113160 patent/CN203242470U/en not_active Withdrawn - After Issue
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1334572A (en) * | 2000-07-17 | 2002-02-06 | 株式会社村田制作所 | Plate type common mode choke |
| JP2003188018A (en) * | 2001-12-17 | 2003-07-04 | Minebea Co Ltd | Wound type common-mode chock coil |
| JP2009117627A (en) * | 2007-11-07 | 2009-05-28 | Tdk Corp | Surface-mounted type coil component |
| JP2011082463A (en) * | 2009-10-09 | 2011-04-21 | Tdk Corp | Coil component and manufacturing method thereof |
| JP2011138914A (en) * | 2009-12-28 | 2011-07-14 | Tdk Corp | Coil component |
| CN203242470U (en) * | 2012-03-13 | 2013-10-16 | Tdk株式会社 | Coil component |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201342403A (en) | 2013-10-16 |
| JP2013191694A (en) | 2013-09-26 |
| JP5673585B2 (en) | 2015-02-18 |
| CN103310957A (en) | 2013-09-18 |
| CN203242470U (en) | 2013-10-16 |
| TWI462132B (en) | 2014-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103310957B (en) | Coil member | |
| CN104425105B (en) | Coil block | |
| TWI578341B (en) | Magnetic device and method of manufacturing the same | |
| EP2608228B1 (en) | Coil component | |
| KR20120085176A (en) | Coil component | |
| CN103730229B (en) | Coil component | |
| CN108063039A (en) | Coil device | |
| US20140370663A1 (en) | Method for Producing a Semiconductor Module | |
| JP6065122B2 (en) | Wound-type electronic component and method for manufacturing wound-type electronic component | |
| JP2009076610A (en) | Magnetic component | |
| JP5994140B2 (en) | Inductor and manufacturing method thereof | |
| JP2010109211A (en) | Electronic component and method of manufacturing the same | |
| CN105374483A (en) | Fuse-integrated resistor assembly | |
| US20210183563A1 (en) | Coil component | |
| TWI294129B (en) | A chip resistor component and a manufacturing process thereof | |
| JP2013120919A (en) | Coil enclosed dust core and device having the same, manufacturing method of coil enclosed dust core, and manufacturing method of device | |
| US10453606B2 (en) | Manufacturing method of transformer device | |
| JP6728730B2 (en) | Coil parts | |
| JP3969991B2 (en) | Surface mount electronic components | |
| JP5105317B2 (en) | Trance | |
| JP4952438B2 (en) | Thermal fuse | |
| WO2018173533A1 (en) | Coil component | |
| JP3616504B2 (en) | Electronic component base and assembly using the same | |
| JP2000021675A (en) | Lead frame and electronic component manufacturing method using the frame | |
| JP2012156477A (en) | Coil component |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |