CN116666064A - 磁粉-绕组共烧式电感元件及其制备方法 - Google Patents
磁粉-绕组共烧式电感元件及其制备方法 Download PDFInfo
- Publication number
- CN116666064A CN116666064A CN202310877677.2A CN202310877677A CN116666064A CN 116666064 A CN116666064 A CN 116666064A CN 202310877677 A CN202310877677 A CN 202310877677A CN 116666064 A CN116666064 A CN 116666064A
- Authority
- CN
- China
- Prior art keywords
- powder
- winding
- inductor
- magnetic
- magnetic powder
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 title claims abstract description 123
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 192
- 238000000465 moulding Methods 0.000 claims abstract description 60
- 239000006247 magnetic powder Substances 0.000 claims abstract description 51
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 83
- 230000008569 process Effects 0.000 claims description 68
- 238000000137 annealing Methods 0.000 claims description 50
- 238000000748 compression moulding Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 24
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 229910017082 Fe-Si Inorganic materials 0.000 claims description 3
- 229910017133 Fe—Si Inorganic materials 0.000 claims description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 3
- 229910002796 Si–Al Inorganic materials 0.000 claims description 3
- 229910008458 Si—Cr Inorganic materials 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 2
- 230000035699 permeability Effects 0.000 abstract description 37
- 238000009413 insulation Methods 0.000 abstract description 32
- 229910001004 magnetic alloy Inorganic materials 0.000 description 42
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 35
- 229910000838 Al alloy Inorganic materials 0.000 description 30
- 239000004020 conductor Substances 0.000 description 28
- 229910052802 copper Inorganic materials 0.000 description 25
- 239000010949 copper Substances 0.000 description 25
- 230000000052 comparative effect Effects 0.000 description 24
- 229910000676 Si alloy Inorganic materials 0.000 description 16
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000002156 mixing Methods 0.000 description 9
- -1 iron-silicon-aluminum Chemical group 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910000702 sendust Inorganic materials 0.000 description 6
- 229910000599 Cr alloy Inorganic materials 0.000 description 5
- XEVZIAVUCQDJFL-UHFFFAOYSA-N [Cr].[Fe].[Si] Chemical compound [Cr].[Fe].[Si] XEVZIAVUCQDJFL-UHFFFAOYSA-N 0.000 description 5
- 239000000788 chromium alloy Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000001878 scanning electron micrograph Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 101000827703 Homo sapiens Polyphosphoinositide phosphatase Proteins 0.000 description 1
- 102100023591 Polyphosphoinositide phosphatase Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- H01F27/2823—Wires
-
- 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
- H01F1/14—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 metals or alloys
- H01F1/20—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 metals or alloys in the form of particles, e.g. powder
- H01F1/22—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 metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
-
- 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
- H01F3/00—Cores, Yokes, or armatures
- H01F3/08—Cores, Yokes, or armatures made from powder
-
- 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
-
- 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
- H01F1/14—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 metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14708—Fe-Ni based alloys
- H01F1/14733—Fe-Ni based alloys in the form of particles
- H01F1/14741—Fe-Ni based alloys in the form of particles pressed, sintered or bonded together
-
- 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
- H01F1/14—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 metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic powder
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Coils Or Transformers For Communication (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Description
Claims (10)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310877677.2A CN116666064A (zh) | 2023-07-17 | 2023-07-17 | 磁粉-绕组共烧式电感元件及其制备方法 |
| TW112144595A TW202414451A (zh) | 2023-07-17 | 2023-11-17 | 磁粉-繞組共燒式電感元件及其製備方法 |
| US18/772,259 US20250029759A1 (en) | 2023-07-17 | 2024-07-14 | Inductor and method for manufacturing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310877677.2A CN116666064A (zh) | 2023-07-17 | 2023-07-17 | 磁粉-绕组共烧式电感元件及其制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116666064A true CN116666064A (zh) | 2023-08-29 |
Family
ID=87722669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310877677.2A Pending CN116666064A (zh) | 2023-07-17 | 2023-07-17 | 磁粉-绕组共烧式电感元件及其制备方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20250029759A1 (zh) |
| CN (1) | CN116666064A (zh) |
| TW (1) | TW202414451A (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117831907A (zh) * | 2024-01-13 | 2024-04-05 | 百斯特电子(广东)有限公司 | 高电阻率电感器 |
-
2023
- 2023-07-17 CN CN202310877677.2A patent/CN116666064A/zh active Pending
- 2023-11-17 TW TW112144595A patent/TW202414451A/zh unknown
-
2024
- 2024-07-14 US US18/772,259 patent/US20250029759A1/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117831907A (zh) * | 2024-01-13 | 2024-04-05 | 百斯特电子(广东)有限公司 | 高电阻率电感器 |
| CN117831907B (zh) * | 2024-01-13 | 2024-05-24 | 百斯特电子(广东)有限公司 | 高电阻率电感器 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202414451A (zh) | 2024-04-01 |
| US20250029759A1 (en) | 2025-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 516000 Baisha Bu Shi Er Tuo Qian Shiling Lot (Plant 4), Daling Street, Huidong County, Huizhou City, Guangdong Province Applicant after: Huizhou Platinum Technology Co.,Ltd. Applicant after: POCO HOLDING Co.,Ltd. Applicant after: HUIZHOU BOKE INDUSTRY Co.,Ltd. Applicant after: Heyuan Boke New Material Co.,Ltd. Address before: 516000 Baisha Bu Shi Er Tuo Qian Shiling Lot (Plant 4), Daling Street, Huidong County, Huizhou City, Guangdong Province Applicant before: Huizhou Platinum Science and Technology Co.,Ltd. Applicant before: POCO HOLDING Co.,Ltd. Applicant before: HUIZHOU BOKE INDUSTRY Co.,Ltd. Applicant before: Heyuan Boke New Material Co.,Ltd. |
|
| CB02 | Change of applicant information |