WO2009047958A1 - 磁性シートの製造方法及び磁性シート - Google Patents

磁性シートの製造方法及び磁性シート Download PDF

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Publication number
WO2009047958A1
WO2009047958A1 PCT/JP2008/066052 JP2008066052W WO2009047958A1 WO 2009047958 A1 WO2009047958 A1 WO 2009047958A1 JP 2008066052 W JP2008066052 W JP 2008066052W WO 2009047958 A1 WO2009047958 A1 WO 2009047958A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
coated object
magnetic field
magnetic sheet
applying
Prior art date
Application number
PCT/JP2008/066052
Other languages
English (en)
French (fr)
Inventor
Junichiro Sugita
Keisuke Aramaki
Morio Sekiguchi
Original Assignee
Sony Chemical & Information Device Corporation
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 Sony Chemical & Information Device Corporation filed Critical Sony Chemical & Information Device Corporation
Publication of WO2009047958A1 publication Critical patent/WO2009047958A1/ja

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Classifications

    • 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
    • H01F1/24—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 the particles being insulated
    • H01F1/26—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 the particles being insulated by macromolecular organic substances
    • 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
    • H01F41/14—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 applying magnetic films to substrates
    • H01F41/16—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 applying magnetic films to substrates the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F13/00—Apparatus or processes for magnetising or demagnetising
    • H01F13/006—Methods and devices for demagnetising of magnetic bodies, e.g. workpieces, sheet material

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Soft Magnetic Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

　磁場配向を利用した簡便な方法でありながら、磁気特性を向上させることができる磁性シートの製造方法を提供する。 　磁性シートを製造するにあたっては、少なくとも扁平形状の軟磁性粉末と溶媒に溶解したバインダーとを混合して作製された磁性組成物を所定の基材上に塗布する塗布工程と、この塗布工程にて基材上に塗布した磁性組成物に流動性のある時間内に、磁性粉末が塗工物の面に対して垂直方向に起立するように当該塗工物に磁場を印加する磁場印加工程と、この磁場印加工程にて磁場が印加された塗工物を、実質的に無磁場の状態で、少なくとも垂直方向に起立した磁性粉末が当該塗工物の面と平行な水平方向に倒れるまでの所定時間だけ静置させる磁場解除工程と、塗工物を静置させた所定時間経過後に磁性組成物を乾燥して磁性シートを形成する乾燥工程とを備える。
PCT/JP2008/066052 2007-10-09 2008-09-05 磁性シートの製造方法及び磁性シート WO2009047958A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007263687A JP2009094298A (ja) 2007-10-09 2007-10-09 磁性シートの製造方法及び磁性シート
JP2007-263687 2007-10-09

Publications (1)

Publication Number Publication Date
WO2009047958A1 true WO2009047958A1 (ja) 2009-04-16

Family

ID=40549104

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/066052 WO2009047958A1 (ja) 2007-10-09 2008-09-05 磁性シートの製造方法及び磁性シート

Country Status (2)

Country Link
JP (1) JP2009094298A (ja)
WO (1) WO2009047958A1 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015082554A (ja) * 2013-10-22 2015-04-27 日東電工株式会社 軟磁性樹脂組成物、および、軟磁性フィルム
KR101689475B1 (ko) * 2015-07-16 2016-12-26 (주)휴켐 전자파 흡수 필름 및 그 제조 방법
KR101772430B1 (ko) * 2015-11-24 2017-08-29 (주)휴켐 전자파 흡수/차폐 그리고 방열 복합 필름, 및 그 제조 방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002158488A (ja) * 2000-11-17 2002-05-31 Tokin Corp シート状ノイズ対策部品
JP2005116819A (ja) * 2003-10-08 2005-04-28 Daido Steel Co Ltd 難燃性複合磁性シート
WO2006059771A1 (ja) * 2004-12-03 2006-06-08 Nitta Corporation 電磁干渉抑制体、アンテナ装置、及び電子情報伝達装置
JP2006307209A (ja) * 2005-03-31 2006-11-09 Nitta Ind Corp シート体、積層体、シート体が装着された製品およびシート体の製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58166535A (ja) * 1982-03-26 1983-10-01 Hitachi Ltd 磁気記録媒体担持体
JPS6235410A (ja) * 1985-08-08 1987-02-16 株式会社フジクラ 異方導電性接着シ−トの製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002158488A (ja) * 2000-11-17 2002-05-31 Tokin Corp シート状ノイズ対策部品
JP2005116819A (ja) * 2003-10-08 2005-04-28 Daido Steel Co Ltd 難燃性複合磁性シート
WO2006059771A1 (ja) * 2004-12-03 2006-06-08 Nitta Corporation 電磁干渉抑制体、アンテナ装置、及び電子情報伝達装置
JP2006307209A (ja) * 2005-03-31 2006-11-09 Nitta Ind Corp シート体、積層体、シート体が装着された製品およびシート体の製造方法

Also Published As

Publication number Publication date
JP2009094298A (ja) 2009-04-30

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