CN109273213A - A kind of inductance core for compact package body - Google Patents
A kind of inductance core for compact package body Download PDFInfo
- Publication number
- CN109273213A CN109273213A CN201811354126.3A CN201811354126A CN109273213A CN 109273213 A CN109273213 A CN 109273213A CN 201811354126 A CN201811354126 A CN 201811354126A CN 109273213 A CN109273213 A CN 109273213A
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- CN
- China
- Prior art keywords
- iron oxide
- package body
- compact package
- inductance core
- core
- 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.)
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Classifications
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- 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
- H01F27/24—Magnetic cores
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
-
- 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
- H01F27/24—Magnetic cores
- H01F27/255—Magnetic cores made from particles
-
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Soft Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
Abstract
In electronic product, inductance core is one of high frequency, the transmission of microwave frequency band signal and important component of processing.Since the diminution of inductance component has a limitation, that there are initial magnetic permeabilities is low for current inductance core, core loss is high technical problem.The invention discloses a kind of inductance core for compact package body, raw material includes: NiO, ZnO, CuO, SnO2、MoO3、Bi2O3、B2O3、Nb2O5、CaO、PtO2, CrB, polyvinyl alcohol, pretreatment iron oxide.It pre-processes iron oxide to prepare using following technique: ferric oxide powder, acetone be mixed, grinding, addition silane coupling agent continues to grind, and acetone stirring is added, filters, and washing, low temperature drying grinds and obtains pretreatment iron oxide.Gained of the invention is used for the inductance core of compact package body, and crystallization uniformly, has unique high magnetic permeability performance, and has preferable low core loss.
Description
Technical field
The present invention relates to inductance core technical field more particularly to a kind of inductance cores for compact package body.
Background technique
As wireless communication, automotive electronics and other consumer electronics products are in multi-functional, miniaturization, portable, high speed
It spends, the development of low-power consumption and high reliability request, integrated circuit is just gradually by chip, microsensor, microactrator and all kinds of nothings
Source element such as resistance, capacitor, inductance, filter, coupler are integrated into a packaging body, referred to as System-in-Package technology.
In electronic product, inductance core is one of high frequency, the transmission of microwave frequency band signal and important component of processing.Due to inductance component
Diminution have a limitation, the technical problem that there are initial magnetic permeabilities is low for current inductance core, core loss is high.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of inductance core for compact package body,
Crystallization uniformly, has unique high magnetic permeability performance, and has preferable low core loss.
A kind of inductance core for compact package body proposed by the present invention, raw material includes: NiO, ZnO, CuO, SnO2、
MoO3、Bi2O3、B2O3、Nb2O5、CaO、PtO2, CrB, polyvinyl alcohol, pretreatment iron oxide.
Preferably, pretreatment iron oxide is prepared using following technique: ferric oxide powder, acetone being mixed, silicon is added in grinding
Alkane coupling agent continues to grind, and acetone stirring is added, filters, washing, low temperature drying, and grinding obtains pretreatment iron oxide.
Preferably, in the preparation process for pre-processing iron oxide, ferric oxide powder, acetone is mixed, 5-15min is ground, grinds
Mill speed is 1200-2000r/min, grinding pressure 0.12-0.18MPa.
Preferably, in the preparation process for pre-processing iron oxide, 2-4h is stirred after acetone is added, whipping temp is 80-90 DEG C.
Preferably, in the preparation process for pre-processing iron oxide, ferric oxide powder, silane coupling agent weight ratio be 12-20:
0.1-0.3。
Preferably, raw material includes: NiO 21-24%, ZnO 12-18%, CuO 1-1.8% by weight percentage,
SnO24-6%, MoO31.2-2.8%, Bi2O30.1-0.4%, B2O3 0.12-0.2%, Nb2O52-8%, CaO 1-
8%, PtO22-4%, CrB 0.4-1.2%, polyvinyl alcohol 1-2%, surplus are pretreatment iron oxide.
Compared with the prior art, not only core loss is few using pretreatment iron oxide by the present invention, but also magnetic conductivity is high, wherein
Ferric oxide powder can be combined by grinding progress surface activation in acetone soln high speed with silane coupling agent, bond strength
Height can enhance ferric oxide powder and NiO, ZnO, CuO, SnO2、MoO3、Bi2O3、B2O3、Nb2O5、CaO、PtO2, knot between CrB
Intensity is closed, while polyvinyl alcohol is added, performance can be effectively improved, makes present invention crystallization uniformly, and can reduce between intercrystalline, crystal boundary
Stomata, to make the present invention that there is unique high magnetic permeability performance, and there is preferable low core loss, comprehensive performance into
The enhancing of one step.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of inductance core for compact package body, raw material include: NiO 21%, ZnO by weight percentage
18%, CuO 1%, SnO26%, MoO31.2%, Bi2O30.4%, B2O3 0.12%, Nb2O58%, CaO 1%, PtO2
4%, CrB 0.4%, polyvinyl alcohol 2%, surplus are pretreatment iron oxide.
It pre-processes iron oxide to prepare using following technique: 12g ferric oxide powder, 12g acetone being mixed, 5min is ground, grinds
Mill speed is 2000r/min, grinding pressure 0.12MPa, and 0.3g silane coupling agent is added and continues to grind 1min, 60g third is added
Ketone stirs 2h, and whipping temp is 90 DEG C, is filtered, washing, low temperature drying, and grinding obtains pretreatment iron oxide.
Embodiment 2
A kind of inductance core for compact package body, raw material include: NiO 24%, ZnO by weight percentage
12%, CuO 1.8%, SnO24%, MoO32.8%, Bi2O30.1%, B2O3 0.2%, Nb2O52%, CaO 8%,
PtO22%, CrB 1.2%, polyvinyl alcohol 1%, surplus are pretreatment iron oxide.
It pre-processes iron oxide to prepare using following technique: 20g ferric oxide powder, 4g acetone being mixed, 15min is ground, grinds
Mill speed is 1200r/min, grinding pressure 0.18MPa, and 0.1g silane coupling agent is added and continues to grind 5min, 40g third is added
Ketone stirs 4h, and whipping temp is 80 DEG C, is filtered, washing, low temperature drying, and grinding obtains pretreatment iron oxide.
Embodiment 3
A kind of inductance core for compact package body, raw material include: NiO 23%, ZnO by weight percentage
14%, CuO 1.6%, SnO24.5%, MoO32.4%, Bi2O30.2%, B2O3 0.18%, Nb2O54%, CaO 6%,
PtO22.5%, CrB 1%, polyvinyl alcohol 1.3%, surplus are pretreatment iron oxide.
It pre-processes iron oxide to prepare using following technique: 18g ferric oxide powder, 6g acetone being mixed, 12min is ground, grinds
Mill speed is 1400r/min, grinding pressure 0.16MPa, and 0.15g silane coupling agent is added and continues to grind 4min, 45g third is added
Ketone stirs 3.5h, and whipping temp is 82 DEG C, is filtered, washing, low temperature drying, and grinding obtains pretreatment iron oxide.
Embodiment 4
A kind of inductance core for compact package body, raw material include: NiO 22%, ZnO by weight percentage
16%, CuO 1.2%, SnO25.5%, MoO31.6%, Bi2O30.3%, B2O3 0.14%, Nb2O56%, CaO 2%,
PtO23.5%, CrB 0.6%, polyvinyl alcohol 1.7%, surplus are pretreatment iron oxide.
It pre-processes iron oxide to prepare using following technique: 14g ferric oxide powder, 10g acetone being mixed, 8min is ground, grinds
Mill speed is 1800r/min, grinding pressure 0.14MPa, and 0.25g silane coupling agent is added and continues to grind 2min, 55g third is added
Ketone stirs 2.5h, and whipping temp is 88 DEG C, is filtered, washing, low temperature drying, and grinding obtains pretreatment iron oxide.
Embodiment 5
A kind of inductance core for compact package body, raw material include: NiO 22.5%, ZnO by weight percentage
15%, CuO 1.4%, SnO25%, MoO32%, Bi2O30.25%, B2O3 0.16%, Nb2O55%, CaO 4%,
PtO23%, CrB 0.8%, polyvinyl alcohol 1.5%, surplus are pretreatment iron oxide.
It pre-processes iron oxide to prepare using following technique: 16g ferric oxide powder, 8g acetone being mixed, 10min is ground, grinds
Mill speed is 1600r/min, grinding pressure 0.15MPa, and 0.2g silane coupling agent is added and continues to grind 3min, 50g third is added
Ketone stirs 3h, and whipping temp is 85 DEG C, is filtered, washing, low temperature drying, and grinding obtains pretreatment iron oxide.
The inductance core powder for being used for compact package body obtained by embodiment 5 is subjected to pressure testing, examination burning and detection, is completed to material
Expect the qualified or not judgement of performance, the manufacture of inductance core, the technical process of magnetic core manufacture are carried out using qualified material
Are as follows: powder damping, molding, sintering, grinding, cleaning, point survey, packaging, test result is as follows shown in table:
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of inductance core for compact package body, which is characterized in that its raw material includes: NiO, ZnO, CuO, SnO2、
MoO3、Bi2O3、B2O3、Nb2O5、CaO、PtO2, CrB, polyvinyl alcohol, pretreatment iron oxide.
2. being used for the inductance core of compact package body according to claim 1, which is characterized in that pretreatment iron oxide is using such as
Lower technique preparation: ferric oxide powder, acetone being mixed, grinding, and silane coupling agent is added and continues to grind, and acetone stirring, mistake is added
Filter, washing, low temperature drying, grinding obtain pretreatment iron oxide.
3. being used for the inductance core of compact package body according to claim 2, which is characterized in that pre-process the preparation of iron oxide
In technique, ferric oxide powder, acetone are mixed, grind 5-15min, grinding rate 1200-2000r/min, grinding pressure is
0.12-0.18MPa。
4. being used for the inductance core of compact package body according to Claims 2 or 3, which is characterized in that pre-process iron oxide
In preparation process, 2-4h is stirred after acetone is added, whipping temp is 80-90 DEG C.
5. being used for the inductance core of compact package body according to claim any one of 2-4, which is characterized in that pretreatment oxidation
In the preparation process of iron, ferric oxide powder, silane coupling agent weight ratio be 12-20:0.1-0.3.
6. the inductance core of compact package body is used for described in -5 any one according to claim 1, which is characterized in that its raw material is by weight
Measuring percentage includes: NiO 21-24%, ZnO 12-18%, CuO 1-1.8%, SnO24-6%, MoO31.2-2.8%,
Bi2O30.1-0.4%, B2O3 0.12-0.2%, Nb2O52-8%, CaO 1-8%, PtO22-4%, CrB 0.4-1.2%,
Polyvinyl alcohol 1-2%, surplus are pretreatment iron oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354126.3A CN109273213A (en) | 2018-11-14 | 2018-11-14 | A kind of inductance core for compact package body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354126.3A CN109273213A (en) | 2018-11-14 | 2018-11-14 | A kind of inductance core for compact package body |
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| Publication Number | Publication Date |
|---|---|
| CN109273213A true CN109273213A (en) | 2019-01-25 |
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| CN201811354126.3A Pending CN109273213A (en) | 2018-11-14 | 2018-11-14 | A kind of inductance core for compact package body |
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Citations (6)
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| CN105047347A (en) * | 2015-07-24 | 2015-11-11 | 天长市中德电子有限公司 | Mn-Zn ferrite material for high-performance electronic component and preparation method |
| CN105070452A (en) * | 2015-08-10 | 2015-11-18 | 天长市昭田磁电科技有限公司 | Low-loss magnetic core material used for electric appliance |
| CN105976969A (en) * | 2016-03-16 | 2016-09-28 | 天长市昭田磁电科技有限公司 | High-strength magnetic core material |
| CN105967671A (en) * | 2016-03-16 | 2016-09-28 | 天长市昭田磁电科技有限公司 | A high-performance ferrite core material |
| CN106205938A (en) * | 2016-08-17 | 2016-12-07 | 安徽德信电气有限公司 | A kind of nano magnetic core material |
| CN108546106A (en) * | 2018-05-03 | 2018-09-18 | 绵阳西磁科技有限公司 | A kind of manganese-zinc ferrite magnetic manufacturing method |
-
2018
- 2018-11-14 CN CN201811354126.3A patent/CN109273213A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047347A (en) * | 2015-07-24 | 2015-11-11 | 天长市中德电子有限公司 | Mn-Zn ferrite material for high-performance electronic component and preparation method |
| CN105070452A (en) * | 2015-08-10 | 2015-11-18 | 天长市昭田磁电科技有限公司 | Low-loss magnetic core material used for electric appliance |
| CN105976969A (en) * | 2016-03-16 | 2016-09-28 | 天长市昭田磁电科技有限公司 | High-strength magnetic core material |
| CN105967671A (en) * | 2016-03-16 | 2016-09-28 | 天长市昭田磁电科技有限公司 | A high-performance ferrite core material |
| CN106205938A (en) * | 2016-08-17 | 2016-12-07 | 安徽德信电气有限公司 | A kind of nano magnetic core material |
| CN108546106A (en) * | 2018-05-03 | 2018-09-18 | 绵阳西磁科技有限公司 | A kind of manganese-zinc ferrite magnetic manufacturing method |
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Application publication date: 20190125 |