CN107610879A - A kind of cylindricality inductance and preparation method thereof - Google Patents

A kind of cylindricality inductance and preparation method thereof Download PDF

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Publication number
CN107610879A
CN107610879A CN201710897898.0A CN201710897898A CN107610879A CN 107610879 A CN107610879 A CN 107610879A CN 201710897898 A CN201710897898 A CN 201710897898A CN 107610879 A CN107610879 A CN 107610879A
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China
Prior art keywords
enamel
covered wire
inductance
cylindricality
soft magnetism
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CN201710897898.0A
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CN107610879B (en
Inventor
李仲茂
尹军舰
郭瑞
赵振亚
邱昕
慕福奇
叶甜春
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Institute of Microelectronics of CAS
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Institute of Microelectronics of CAS
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Abstract

The invention discloses a kind of cylindricality inductance and its manufacture method, the cylindricality inductance includes:The enamel-covered wire of hollow cylindrical structure is turned to, enamel-covered wire there are two exits after coiling finishes;So the cylindricality inductance can reduce magnetic material usage amount independent of the support of magnetic core.In addition, the speciality material of soft magnetism is filled with inside the hollow cylindrical structure of the enamel-covered wire;Solidified resin, it is arranged on the enamelled wire surface and for fixing the enamel-covered wire.Because the speciality material of the soft magnetism of the hollow internal filling of enamel-covered wire has, magnetic flux is small, low-loss feature, and then the inductance value of cylindricality inductance can be improved, bandwidth 200KHz~40GHz can be used in, realizes that uF levels electric induction is used, reaches the technique effect of extension inductance application.

Description

A kind of cylindricality inductance and preparation method thereof
Technical field
The application is related to electricity field, more particularly to a kind of cylindricality inductance and preparation method thereof.
Background technology
Broadband inductor can be used for radio frequency, microwave, millimetre integrated circuit, light, electrical communications circuit, broad band amplifier, broadband Bias-tee (bias device), and in broadband filter etc..
Inductance of the prior art has generally comprised two parts:Magnetic core and the coiling being wound on magnetic core.
Existing magnetic core typically be magnetic material, copper enamel-covered wire is then wound on magnetic core surface.Or directly Conductor coils are inserted in magnetic.
And magnetic core and magnetic belong to magnetic material, and then to cause high-intensity magnetic field or restriction nonmagnetic substance to use field Conjunction can not use, therefore application is narrow.
The content of the invention
Invention provides a kind of cylindricality inductance and preparation method thereof, to solve the narrow technical problem of application.
In order to solve the above technical problems, the invention provides a kind of cylindricality inductance, including:
Enamel-covered wire, turns to hollow cylindrical structure, and coiling has two exits after finishing;The enamel-covered wire The speciality material of soft magnetism is filled with inside hollow cylindrical structure;
Solidified resin, it is arranged on the enamelled wire surface and for fixing the enamel-covered wire.
Preferably, the enamel-covered wire is specially gold-plated enamel-covered wire or proof gold enamel-covered wire.
Preferably, the speciality material of the soft magnetism include but is not limited to be:Ceramics, nickel-zinc ferrite, manganese-zinc ferrite, Iron powder zinc.
Preferably, the speciality material and epoxy resin of soft magnetism are filled with inside the hollow cylindrical structure of the enamel-covered wire The compound being mixed to form.
The invention discloses a kind of preparation method of cylindricality inductance, methods described includes:
Cylindrical body matrix is made by being machined;
Using enamel-covered wire column construction is turned to along the cylindrical body matrix;
The enamel-covered wire is fixed using solidified resin;
Remove described matrix so that the enamel-covered wire turns to hollow cylindrical structure, and coiling has two after finishing Individual exit;
The speciality material of the soft magnetism is filled into the hollow cylindrical structure of the enamel-covered wire.
Preferably, it is described to utilize solidified resin to the enamel-cover when the enamelled wire surface has the solidified resin Line is fixed, and is specially:The solidified resin is heated or irradiated using ultraviolet so that the solidified resin becomes Shape sticks in the surface of the enamel-covered wire, and the solidification enamel-covered wire is haveed the function that after cooling.
Preferably, it is described that the enamel-covered wire is fixed using solidified resin, specifically include:
The solidified resin is sprayed on the enamel-covered wire;
The solidified resin is heated or irradiated using ultraviolet so that the solidified resin deformation sticks in institute The surface of enamel-covered wire is stated, the solidification enamel-covered wire is haveed the function that after cooling.
It is preferably, described that the speciality material of the soft magnetism is filled into the hollow cylindrical structure of the enamel-covered wire, Specifically include:
The speciality material of the soft magnetism is filled into the hollow cylindrical knot of the enamel-covered wire using drip irrigation filling technique In structure.
It is preferably, described that the speciality material of the soft magnetism is filled into the hollow cylindrical structure of the enamel-covered wire, Specifically include:
The speciality material and epoxy resin of the soft magnetism are mixed in proportion, form mixture;
The mixture is filled into the hollow cylindrical structure of the enamel-covered wire using drip irrigation filling technique.
Preferably, the speciality material of the soft magnetism include but is not limited to be:Ceramics, nickel-zinc ferrite, manganese-zinc ferrite, Iron powder zinc.
By one or more technical scheme of the present invention, the invention has the advantages that or advantage:
The invention discloses a kind of cylindricality inductance and its manufacture method, the cylindricality inductance includes:Turn to hollow cylindrical The enamel-covered wire of structure, enamel-covered wire has two exits after coiling finishes;So the cylindricality inductance can be independent of magnetic The support of core, magnetic material usage amount can be reduced.In addition, it is filled with soft magnetism inside the hollow cylindrical structure of the enamel-covered wire The speciality material of property;Solidified resin, it is arranged on the enamelled wire surface and for fixing the enamel-covered wire.Because enamel-covered wire is hollow The speciality material of the soft magnetism of inside filling has that magnetic flux is small, low-loss feature, and then can improve cylindricality inductance Inductance value, bandwidth 200KHz~40GHz can be used in, realize that uF levels electric induction is used, reach the technique effect of extension inductance application.
Brief description of the drawings
Fig. 1 is the structural representation of cylindricality inductance in the embodiment of the present invention.
Embodiment
In order that the application the technical staff in the technical field is more clearly understood that the application, below in conjunction with the accompanying drawings, Technical scheme is described in detail by specific embodiment.
The embodiments of the invention provide a kind of cylindricality inductance and its manufacture method, is at least used to solve existing for prior art The technical problem of electric induction narrow range.
Because the inductance of prior art belongs to magnetic wave inductance, and the magnetic core in magnetic wave inductance make use of magnetic material, due to The high magnetic properties of magnetic material, so the loss of inductance is big, it is merely able to apply to the less occasion of inductance value to reduce loss, Frequency band is also narrower.Therefore the application of inductance is narrower.
And in order to solve the above-mentioned technical problem, technical scheme thinking provided by the invention is as follows:
In the technical scheme of the embodiment of the present invention, cylindricality inductance includes:The enamel-covered wire of hollow cylindrical structure is turned to, Enamel-covered wire has two exits after coiling finishes;So the cylindricality inductance can be independent of the support of magnetic core, can Reduce magnetic material usage amount.In addition, the speciality material of soft magnetism is filled with inside the hollow cylindrical structure of the enamel-covered wire; Solidified resin, it is arranged on the enamelled wire surface and for fixing the enamel-covered wire.It is soft due to the hollow internal filling of enamel-covered wire The speciality material of magnetic has that magnetic flux is small, low-loss feature, and then can improve the inductance value of cylindricality inductance, can be used in band Wide 200KHz~40GHz, realize that uF levels electric induction is used, reach the technique effect of extension inductance application.
Technical solution of the present invention is described in detail below by accompanying drawing and specific embodiment, it should be understood that the application Specific features in embodiment and embodiment are the detailed description to technical scheme, rather than to present techniques The restriction of scheme, in the case where not conflicting, the technical characteristic in the embodiment of the present application and embodiment can be mutually combined.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, expression may have three kinds of passes System, for example, A and/or B, can be represented:Individualism A, while A and B be present, these three situations of individualism B.In addition, herein Middle character "/", it is a kind of relation of "or" to typically represent forward-backward correlation object.
Referring to Fig. 1, lower mask body introduces the structure of the cylindricality inductance of the present invention.
Enamel-covered wire in cylindricality inductance is specially gold-plated enamel-covered wire or proof gold enamel-covered wire.
And the speciality material of soft magnetism is filled in the hollow cylindrical structure of enamel-covered wire.
In specific implementation process, in order to realize the hollow cylindrical structure of enamel-covered wire, cylindrical base is made first, Then the from coil to coil coiling enamel-covered wire on cylindrical base.The enamel-covered wire can be ormolu varnish envelope curve, or proof gold enamel-covered wire. After the completion of coiling, matrix is removed from enamel-covered wire.Wherein, the enamel-covered wire of the coiling in the embodiment of the present invention also includes two extractions End, in order to which inductance is accessed in circuit., can be by way of being bonded, crimping or weld by two during specific implementation Exit accesses circuit, and those skilled in the art can be according to actually being selected, and the present invention, which is not done, to be had Body limits.
Secondly, the speciality material of soft magnetism is filled with inside the hollow cylindrical structure of enamel-covered wire.
The speciality material of soft magnetism includes but is not limited to:Ceramics, nickel-zinc ferrite, manganese-zinc ferrite, iron powder zinc.And then It is filled with inside the hollow cylindrical structure of the enamel-covered wire a kind of or more in the speciality material of the above-mentioned soft magnetism enumerated Kind.
Further, the mixture of the speciality material of soft magnetism and epoxy resin can also be filled into enamel-covered wire by the present invention Hollow cylindrical structure inside.So the speciality material of soft magnetism can be filled with inside the hollow cylindrical structure of enamel-covered wire The compound being mixed to form with epoxy resin.
Further, cured film is arranged on the surface of enamel-covered wire in the embodiment of the present invention, and then fixes and prop up by cured film Enamel-covered wire is supportted, maintains inductance form.
Seen from the above description, due to being fixed by cured film and supporting enamel-covered wire, and then cause inductance independent of magnetic The support of core.
Based on also providing a kind of system of cylindricality inductance with inventive concept same in previous embodiment, second aspect of the present invention Make method, including:
S11, cylindrical body matrix is made by being machined.
Specifically, substrate can be accessed the circuit board of circuit by inductance, or independent circuit board, the present invention It is not particularly limited.In S11, the required position for setting inductance makes matrix on substrate.
S12, column construction is turned to along the cylindrical body matrix using enamel-covered wire.
In specific implementation process, in cylindrical body matrix surface coiling enamel-covered wire.In addition, should also in coiling enamel-covered wire When two exits of the outflow both ends as inductance.During specific implementation, enamel-covered wire can be ormolu varnish envelope curve or proof gold paint Envelope curve, can also be other enamel-covered wires, such as copper enameled wire, the present invention are not particularly limited.
S13, the enamel-covered wire is fixed using solidified resin.
Solidified resin can use light-sensitive emulsion.
When the enamel-covered wire is fixed using solidified resin, it is necessary to which whether the surface for detecting enamel-covered wire in advance is set There is solidified resin.
When the enamelled wire surface has the solidified resin, then directly the solidified resin can be heated or Person is irradiated using ultraviolet so that the solidified resin deformation sticks in the surface of the enamel-covered wire, and solidification institute is reached after cooling State the effect of enamel-covered wire.
And the enamelled wire surface first sprays the solidified resin when not having the solidified resin on the enamel-covered wire. Then the solidified resin is heated or irradiated using ultraviolet so that the solidified resin deformation sticks in the paint The surface of envelope curve, the solidification enamel-covered wire is haveed the function that after cooling.Specifically, cured film can be coated in the inner side of enamel-covered wire Material, the solidification membrane substance coated can penetrate into inner space, or directly apply solidification membrane substance when make enamel-covered wire Outside enamel-covered wire line, enamel-covered wire solidifies the cured film by the way of photo-curing or heat cure again after fixing shape, And then fix and support enamel-covered wire, in the form of maintaining enamel-covered wire, ensure that stable magnetic can be produced in enamel-covered wire coiling space .
S14, remove described matrix so that the enamel-covered wire turns to hollow cylindrical structure, and coiling has after finishing There are two exits.
S15, the speciality material of the soft magnetism is filled into the hollow cylindrical structure of the enamel-covered wire.
In specific implementation process, the present invention can directly irrigate the speciality material of soft magnetism, can also irrigate soft magnetism The speciality material of property and the mixture of epoxy resin.
Specifically, if the speciality material of perfusion soft magnetism, using drip irrigation filling technique by the speciality of the soft magnetism Material is filled into the hollow cylindrical structure of the enamel-covered wire.
Specifically, if the mixture of the speciality material of perfusion soft magnetism and epoxy resin, mix in proportion described soft The speciality material and epoxy resin of magnetic, form mixture (mixture is liquid filler).Then drip irrigation filling technique is used The mixture is filled into the hollow cylindrical structure of the enamel-covered wire.
And in filling, one end of the hollow cylindrical of cylindricality inductance can be blocked with shelter, then again to cylindricality inductance Hollow cylindrical interior perfusion soft magnetism speciality material, then remove shelter.
Further, the present invention can also directly be filled into the hollow cylindrical interior of cylindricality inductance, because while soft magnetism Speciality material viscosity it is very high, so pay attention to reperfusion mode, immediately do not have to shelter can also be irrigated.
By one or more embodiment of the present invention, the invention has the advantages that or advantage:
The invention discloses a kind of cylindricality inductance and its manufacture method, the cylindricality inductance includes:Turn to hollow cylindrical The enamel-covered wire of structure, enamel-covered wire has two exits after coiling finishes;So the cylindricality inductance can be independent of magnetic The support of core, magnetic material usage amount can be reduced.In addition, it is filled with soft magnetism inside the hollow cylindrical structure of the enamel-covered wire The speciality material of property;Solidified resin, it is arranged on the enamelled wire surface and for fixing the enamel-covered wire.Because enamel-covered wire is hollow The speciality material of the soft magnetism of inside filling has that magnetic flux is small, low-loss feature, and then can improve cylindricality inductance Inductance value, bandwidth 200KHz~40GHz can be used in, realize that uF levels electric induction is used, reach the technique effect of extension inductance application.
Although having been described for the preferred embodiment of the application, one of ordinary skilled in the art once knows substantially Creative concept, then other change and modification can be made to these embodiments.So appended claims are intended to be construed to wrap Include preferred embodiment and fall into having altered and changing for the application scope.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the application to the application God and scope.So, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies Within, then the application is also intended to comprising including these changes and modification.

Claims (10)

  1. A kind of 1. cylindricality inductance, it is characterised in that including:
    Enamel-covered wire, turns to hollow cylindrical structure, and coiling has two exits after finishing;The enamel-covered wire it is hollow The speciality material of soft magnetism is filled with inside cylindrical structural;
    Solidified resin, it is arranged on the enamelled wire surface and for fixing the enamel-covered wire.
  2. A kind of 2. cylindricality inductance as claimed in claim 1, it is characterised in that the enamel-covered wire be specially gold-plated enamel-covered wire or Proof gold enamel-covered wire.
  3. 3. a kind of cylindricality inductance as claimed in claim 1, it is characterised in that the speciality material of the soft magnetism includes but unlimited Then:Ceramics, nickel-zinc ferrite, manganese-zinc ferrite, iron powder zinc.
  4. 4. a kind of cylindricality inductance as claimed in claim 1, it is characterised in that inside the hollow cylindrical structure of the enamel-covered wire The compound that speciality material and epoxy resin filled with soft magnetism are mixed to form.
  5. 5. a kind of preparation method of cylindricality inductance, it is characterised in that methods described includes:
    Cylindrical body matrix is made by being machined;
    Using enamel-covered wire column construction is turned to along the cylindrical body matrix;
    The enamel-covered wire is fixed using solidified resin;
    Remove described matrix so that the enamel-covered wire turns to hollow cylindrical structure, and coiling there are two to draw after finishing Go out end;
    The speciality material of the soft magnetism is filled into the hollow cylindrical structure of the enamel-covered wire.
  6. 6. method as claimed in claim 5, it is characterised in that
    It is described that the enamel-covered wire is fixed using solidified resin when the enamelled wire surface has the solidified resin, Specially:
    The solidified resin is heated or irradiated using ultraviolet so that the solidified resin deformation sticks in the paint The surface of envelope curve, the solidification enamel-covered wire is haveed the function that after cooling.
  7. 7. method as claimed in claim 5, it is characterised in that it is described that the enamel-covered wire is fixed using solidified resin, Specifically include:
    The solidified resin is sprayed on the enamel-covered wire;
    The solidified resin is heated or irradiated using ultraviolet so that the solidified resin deformation sticks in the paint The surface of envelope curve, the solidification enamel-covered wire is haveed the function that after cooling.
  8. 8. method as claimed in claim 5, it is characterised in that described that the speciality material of the soft magnetism is filled into the paint In the hollow cylindrical structure of envelope curve, specifically include:
    The speciality material of the soft magnetism is filled into the hollow cylindrical structure of the enamel-covered wire using drip irrigation filling technique.
  9. 9. method as claimed in claim 5, it is characterised in that described that the speciality material of the soft magnetism is filled into the paint In the hollow cylindrical structure of envelope curve, specifically include:
    The speciality material and epoxy resin of the soft magnetism are mixed in proportion, form mixture;
    The mixture is filled into the hollow cylindrical structure of the enamel-covered wire using drip irrigation filling technique.
  10. 10. method as claimed in claim 5, it is characterised in that the speciality material of the soft magnetism include but is not limited to be:Pottery Porcelain, nickel-zinc ferrite, manganese-zinc ferrite, iron powder zinc.
CN201710897898.0A 2017-09-28 2017-09-28 Cylindrical inductor and manufacturing method thereof Active CN107610879B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710897898.0A CN107610879B (en) 2017-09-28 2017-09-28 Cylindrical inductor and manufacturing method thereof

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Application Number Priority Date Filing Date Title
CN201710897898.0A CN107610879B (en) 2017-09-28 2017-09-28 Cylindrical inductor and manufacturing method thereof

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CN107610879A true CN107610879A (en) 2018-01-19
CN107610879B CN107610879B (en) 2021-07-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112309703A (en) * 2020-11-03 2021-02-02 安徽智磁新材料科技有限公司 Solidification method of nanocrystalline magnetic core

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101790766A (en) * 2007-08-31 2010-07-28 胜美达集团株式会社 Coil component and method for manufacturing coil component
CN201845638U (en) * 2010-11-08 2011-05-25 贵阳顺络迅达电子有限公司 Broadband inductor
US20110316661A1 (en) * 2010-06-25 2011-12-29 Takahito Muraki Unsaturated polyester resin composition for coil adhesion
CN103915236A (en) * 2014-04-01 2014-07-09 黄伟嫦 Novel inductor and manufacturing method thereof
CN104200981A (en) * 2014-08-20 2014-12-10 深圳市铂科磁材有限公司 Inductor manufacturing method
JP2015126199A (en) * 2013-12-27 2015-07-06 東光株式会社 Method of manufacturing electronic component, electronic component

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101790766A (en) * 2007-08-31 2010-07-28 胜美达集团株式会社 Coil component and method for manufacturing coil component
US20110316661A1 (en) * 2010-06-25 2011-12-29 Takahito Muraki Unsaturated polyester resin composition for coil adhesion
CN201845638U (en) * 2010-11-08 2011-05-25 贵阳顺络迅达电子有限公司 Broadband inductor
JP2015126199A (en) * 2013-12-27 2015-07-06 東光株式会社 Method of manufacturing electronic component, electronic component
CN103915236A (en) * 2014-04-01 2014-07-09 黄伟嫦 Novel inductor and manufacturing method thereof
CN104200981A (en) * 2014-08-20 2014-12-10 深圳市铂科磁材有限公司 Inductor manufacturing method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112309703A (en) * 2020-11-03 2021-02-02 安徽智磁新材料科技有限公司 Solidification method of nanocrystalline magnetic core

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