DE60218905D1 - Gegen-emi-komponente und gegen-emi-verfahren - Google Patents

Gegen-emi-komponente und gegen-emi-verfahren

Info

Publication number
DE60218905D1
DE60218905D1 DE60218905T DE60218905T DE60218905D1 DE 60218905 D1 DE60218905 D1 DE 60218905D1 DE 60218905 T DE60218905 T DE 60218905T DE 60218905 T DE60218905 T DE 60218905T DE 60218905 D1 DE60218905 D1 DE 60218905D1
Authority
DE
Germany
Prior art keywords
emi
procedures
counter
aggregate
components
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.)
Expired - Fee Related
Application number
DE60218905T
Other languages
English (en)
Other versions
DE60218905T2 (de
Inventor
Shigeyoshi Yoshida
Hiroshi Ono
Mitsuharu Sato
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.)
Tokin Corp
Original Assignee
NEC Tokin Corp
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
Application filed by NEC Tokin Corp filed Critical NEC Tokin Corp
Publication of DE60218905D1 publication Critical patent/DE60218905D1/de
Application granted granted Critical
Publication of DE60218905T2 publication Critical patent/DE60218905T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
    • H05K9/0083—Electromagnetic shielding materials, e.g. EMI, RFI shielding comprising electro-conductive non-fibrous particles embedded in an electrically insulating supporting structure, e.g. powder, flakes, whiskers
    • 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
    • H01F1/0027—Thick magnetic films
    • 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
    • H01F1/032—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 hard-magnetic materials
    • H01F1/04—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 hard-magnetic materials metals or alloys
    • H01F1/06—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 hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/08—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 hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
    • H01F1/083—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 hard-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together in a bonding agent
    • 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
    • H01F1/28—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 dispersed or suspended in a bonding agent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
    • H01P3/08—Microstrips; Strip lines
    • H01P3/081—Microstriplines
    • 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
    • H01F1/16—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 sheets
    • H01F1/18—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 sheets with insulating coating
    • 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
    • H01F1/33—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 mixtures of metallic and non-metallic particles; metallic particles having oxide skin

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
DE60218905T 2002-11-11 2002-11-11 Gegen-emi-komponente und gegen-emi-verfahren Expired - Fee Related DE60218905T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2002/011737 WO2004045265A1 (ja) 2002-11-11 2002-11-11 Ｅｍｉ対策部品およびｅｍｉ対策方法

Publications (2)

Publication Number Publication Date
DE60218905D1 true DE60218905D1 (de) 2007-04-26
DE60218905T2 DE60218905T2 (de) 2007-07-12

Family

ID=32310246

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60218905T Expired - Fee Related DE60218905T2 (de) 2002-11-11 2002-11-11 Gegen-emi-komponente und gegen-emi-verfahren

Country Status (6)

Country Link
US (1) US20050077785A1 (de)
EP (1) EP1511370B1 (de)
JP (1) JPWO2004045265A1 (de)
CN (1) CN100358402C (de)
DE (1) DE60218905T2 (de)
WO (1) WO2004045265A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4611698B2 (ja) * 2004-09-24 2011-01-12 信越ポリマー株式会社 Ｅｍｃ対策部材およびｅｍｃ対策方法
JP4611697B2 (ja) * 2004-09-24 2011-01-12 信越ポリマー株式会社 電磁波ノイズ抑制体およびその使用方法
JP4611699B2 (ja) * 2004-09-24 2011-01-12 信越ポリマー株式会社 伝導ノイズ抑制体および伝導ノイズ対策方法
JP4611700B2 (ja) * 2004-09-24 2011-01-12 信越ポリマー株式会社 電磁波ノイズ抑制シートおよびその使用方法
JP4611758B2 (ja) * 2004-10-12 2011-01-12 信越ポリマー株式会社 伝導ノイズ抑制体および伝導ノイズ抑制体付電子部品
TW200628062A (en) * 2004-12-03 2006-08-01 Nitta Corp Electromagnetic interference suppressor, antenna device, and electron information transfer device
JP3972951B2 (ja) * 2005-07-04 2007-09-05 オムロン株式会社 スイッチング電源、電源装置および電子機器
US9852844B2 (en) 2014-03-24 2017-12-26 Apple Inc. Magnetic shielding in inductive power transfer
US9460846B2 (en) 2014-06-20 2016-10-04 Apple Inc. Methods for forming shield materials onto inductive coils
US10699842B2 (en) 2014-09-02 2020-06-30 Apple Inc. Magnetically doped adhesive for enhancing magnetic coupling
US10327326B2 (en) 2017-08-17 2019-06-18 Apple Inc. Electronic device with encapsulated circuit assembly having an integrated metal layer
JP7073176B2 (ja) * 2018-04-10 2022-05-23 株式会社トーキン 磁性シート及びそれを備えるノイズ抑制シート

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2533900A1 (de) * 1975-07-29 1977-06-23 Siemens Ag Verfahren zur herstellung von magnetkoerpern aus magnetpulver
JPH01138799A (ja) * 1987-08-31 1989-05-31 Inax Corp 薄層電波吸収体
JPH0513979A (ja) * 1991-07-08 1993-01-22 Nec Corp 電磁遮へい体
JPH05206676A (ja) * 1992-01-27 1993-08-13 Nec Corp 電波吸収体
JP3528427B2 (ja) * 1996-05-21 2004-05-17 Ｎｅｃトーキン株式会社 Ｅｍｉ対策方法
JP3404618B2 (ja) * 1996-09-02 2003-05-12 エヌイーシートーキン株式会社 電磁干渉抑制体
JP3085263B2 (ja) * 1997-11-07 2000-09-04 株式会社村田製作所 高周波チョークコイル

Also Published As

Publication number Publication date
CN1618264A (zh) 2005-05-18
US20050077785A1 (en) 2005-04-14
JPWO2004045265A1 (ja) 2006-03-16
EP1511370A4 (de) 2005-10-26
CN100358402C (zh) 2007-12-26
EP1511370A1 (de) 2005-03-02
WO2004045265A1 (ja) 2004-05-27
DE60218905T2 (de) 2007-07-12
EP1511370B1 (de) 2007-03-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee