EP4595721A4 - MAGNETIC COMPOSITE MATERIALS, METHOD FOR PRODUCING MAGNETIC COMPOSITE MATERIALS AND ELECTRONIC DEVICES - Google Patents

MAGNETIC COMPOSITE MATERIALS, METHOD FOR PRODUCING MAGNETIC COMPOSITE MATERIALS AND ELECTRONIC DEVICES

Info

Publication number
EP4595721A4
EP4595721A4 EP23909743.9A EP23909743A EP4595721A4 EP 4595721 A4 EP4595721 A4 EP 4595721A4 EP 23909743 A EP23909743 A EP 23909743A EP 4595721 A4 EP4595721 A4 EP 4595721A4
Authority
EP
European Patent Office
Prior art keywords
composite materials
magnetic composite
electronic devices
producing
producing magnetic
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
Application number
EP23909743.9A
Other languages
German (de)
French (fr)
Other versions
EP4595721A1 (en
Inventor
Lei Wang
Jinbiao Shu
Yang Kong
Along Chen
Zhiji Deng
Ming Liu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Dahua Technology Co Ltd
Original Assignee
Zhejiang Dahua Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN202211743441.1A external-priority patent/CN118284019A/en
Priority claimed from CN202310401306.7A external-priority patent/CN116406152A/en
Application filed by Zhejiang Dahua Technology Co Ltd filed Critical Zhejiang Dahua Technology Co Ltd
Publication of EP4595721A1 publication Critical patent/EP4595721A1/en
Publication of EP4595721A4 publication Critical patent/EP4595721A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0075—Magnetic shielding materials
    • 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
    • H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
    • H01F1/0045—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use
    • H01F1/0063—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use in a non-magnetic matrix, e.g. granular solids
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00—Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073—Shielding materials
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/009—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive fibres, e.g. metal fibres, carbon fibres, metallised textile fibres, electro-conductive mesh, woven, non-woven mat, fleece, cross-linked
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Molecular Biology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Nanotechnology (AREA)
  • Power Engineering (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Soft Magnetic Materials (AREA)
EP23909743.9A 2022-12-30 2023-11-15 MAGNETIC COMPOSITE MATERIALS, METHOD FOR PRODUCING MAGNETIC COMPOSITE MATERIALS AND ELECTRONIC DEVICES Pending EP4595721A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202211743441.1A CN118284019A (en) 2022-12-30 2022-12-30 Magnetic composite material, wave-absorbing composition, wave-absorbing material, and electronic device
CN202310401306.7A CN116406152A (en) 2023-04-14 2023-04-14 Composite magnetic material, wave absorbing material and electronic device
PCT/CN2023/131733 WO2024139811A1 (en) 2022-12-30 2023-11-15 Magnetic composite materials, methods of preparing magnetic composite materials, and electronic devices

Publications (2)

Publication Number Publication Date
EP4595721A1 EP4595721A1 (en) 2025-08-06
EP4595721A4 true EP4595721A4 (en) 2026-04-29

Family

ID=91716363

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23909743.9A Pending EP4595721A4 (en) 2022-12-30 2023-11-15 MAGNETIC COMPOSITE MATERIALS, METHOD FOR PRODUCING MAGNETIC COMPOSITE MATERIALS AND ELECTRONIC DEVICES

Country Status (2)

Country Link
EP (1) EP4595721A4 (en)
WO (1) WO2024139811A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119684599B (en) * 2024-11-01 2026-03-17 南京理工大学 A multi-interface WS2/WO3/PPy nanocomposite microwave absorbing material, its preparation method and application
CN119095365B (en) * 2024-11-06 2025-02-11 浙江绿色理想科技有限公司 Shielded electrical cabinet
CN119570336B (en) * 2024-12-25 2025-09-26 西北工业大学 An anti-corrosion electromagnetic shielding coating and its preparation method and application

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105322147A (en) * 2015-09-28 2016-02-10 复旦大学 Tungsten disulfide/carbon nanofiber/graphene composite material and preparation method thereof
CN105914345A (en) * 2016-05-10 2016-08-31 湖南大学 Hollow nano transition metal sulfide/carbon composite material and preparation method
CN106115786A (en) * 2016-06-27 2016-11-16 中国地质大学（北京） Tungsten disulfide nanosheet tubular aggregate and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104143630A (en) * 2013-05-09 2014-11-12 中国科学院大连化学物理研究所 Application of graphene-nano metal oxide composites in lithium-sulfur batteries
JP6886248B2 (en) * 2016-06-06 2021-06-16 日本製紙株式会社 Manufacturing method of cellulose nanofiber / pigment dispersion liquid and manufacturing equipment of cellulose nanofiber / pigment dispersion liquid
CN106277059A (en) * 2016-08-22 2017-01-04 齐齐哈尔大学 A kind of method preparing tungsten disulfide/Graphene heterojunction structure
CN109536133B (en) * 2018-12-21 2021-10-01 北京圣盟科技有限公司 Graphene-based infrared stealth composite material and preparation method thereof
CN116406152A (en) * 2023-04-14 2023-07-07 浙江大华技术股份有限公司 Composite magnetic material, wave absorbing material and electronic device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105322147A (en) * 2015-09-28 2016-02-10 复旦大学 Tungsten disulfide/carbon nanofiber/graphene composite material and preparation method thereof
CN105914345A (en) * 2016-05-10 2016-08-31 湖南大学 Hollow nano transition metal sulfide/carbon composite material and preparation method
CN106115786A (en) * 2016-06-27 2016-11-16 中国地质大学（北京） Tungsten disulfide nanosheet tubular aggregate and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024139811A1 *

Also Published As

Publication number Publication date
EP4595721A1 (en) 2025-08-06
WO2024139811A1 (en) 2024-07-04

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