JPS60242467A - 金属磁性粉の処理方法 - Google Patents

金属磁性粉の処理方法

Info

Publication number
JPS60242467A
JPS60242467A JP59098981A JP9898184A JPS60242467A JP S60242467 A JPS60242467 A JP S60242467A JP 59098981 A JP59098981 A JP 59098981A JP 9898184 A JP9898184 A JP 9898184A JP S60242467 A JPS60242467 A JP S60242467A
Authority
JP
Japan
Prior art keywords
magnetic powder
magnetic
surface active
active agent
group
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.)
Granted
Application number
JP59098981A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0340923B2 (enExample
Inventor
Yukihisa Yamauchi
山内 恭久
Masanari Asano
真生 浅野
Hideyuki Anzai
安斉 秀行
Yoshitaka Yasufuku
安福 義隆
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.)
Konica Minolta Inc
Original Assignee
Konica Minolta Inc
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 Konica Minolta Inc filed Critical Konica Minolta Inc
Priority to JP59098981A priority Critical patent/JPS60242467A/ja
Priority to US06/731,126 priority patent/US4710427A/en
Publication of JPS60242467A publication Critical patent/JPS60242467A/ja
Publication of JPH0340923B2 publication Critical patent/JPH0340923B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/712Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the surface treatment or coating of magnetic particles
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/90Magnetic feature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256Heavy metal or aluminum or compound thereof
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256Heavy metal or aluminum or compound thereof
    • Y10T428/257Iron oxide or aluminum oxide
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/29Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991Coated
    • Y10T428/2998Coated including synthetic resin or polymer

Landscapes

  • Paints Or Removers (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Powder Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Hard Magnetic Materials (AREA)
JP59098981A 1984-05-17 1984-05-17 金属磁性粉の処理方法 Granted JPS60242467A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59098981A JPS60242467A (ja) 1984-05-17 1984-05-17 金属磁性粉の処理方法
US06/731,126 US4710427A (en) 1984-05-17 1985-05-06 Process for treating magnetic metal power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59098981A JPS60242467A (ja) 1984-05-17 1984-05-17 金属磁性粉の処理方法

Publications (2)

Publication Number Publication Date
JPS60242467A true JPS60242467A (ja) 1985-12-02
JPH0340923B2 JPH0340923B2 (enExample) 1991-06-20

Family

ID=14234185

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59098981A Granted JPS60242467A (ja) 1984-05-17 1984-05-17 金属磁性粉の処理方法

Country Status (2)

Country Link
US (1) US4710427A (enExample)
JP (1) JPS60242467A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169707A (ja) * 1987-01-08 1988-07-13 Taiyo Yuden Co Ltd 磁気記録媒体用磁性粉末の製造方法
JP2021155842A (ja) * 2020-03-27 2021-10-07 住友金属鉱山株式会社 ニッケル粒子、ニッケル粒子の表面処理方法およびニッケル粉末の製造方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900005496A (ko) * 1988-09-12 1990-04-14 리차아드 피이 랜지 자성 금속 입자 처리 방법, 그를 포함하는 건조분말 조성물 및 그로부터 제조된 자기 기록 매체
EP0486820B1 (de) * 1990-11-01 1995-09-20 BASF Magnetics GmbH Magnetischer Aufzeichnungsträger
CA2304030C (en) * 1998-07-15 2003-12-30 Toho Titanium Co., Ltd. Metal powder
US7124466B2 (en) * 2002-02-05 2006-10-24 Seagate Technology Llc Particle capture system
US7708904B2 (en) * 2005-09-09 2010-05-04 Saint-Gobain Ceramics & Plastics, Inc. Conductive hydrocarbon fluid
US8353740B2 (en) * 2005-09-09 2013-01-15 Saint-Gobain Ceramics & Plastics, Inc. Conductive hydrocarbon fluid

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5133758A (enExample) * 1974-09-17 1976-03-23 Fuji Photo Film Co Ltd
JPS538798A (en) * 1976-07-13 1978-01-26 Hitachi Maxell Metallic magnetic powder for magnetic recording which has excellent oxidation stability and method of manufacture thereof
JPS55111105A (en) * 1979-02-20 1980-08-27 Mitsui Toatsu Chem Inc Raw magnetic material
JPS5931002A (ja) * 1982-08-13 1984-02-18 Konishiroku Photo Ind Co Ltd 表面処理強磁性粉末の製造方法および磁気記録媒体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5424000A (en) * 1977-07-22 1979-02-22 Fuji Photo Film Co Ltd High density magnetograph substance
JPS595423A (ja) * 1982-07-01 1984-01-12 Sony Corp 磁気記録媒体
US4562117A (en) * 1983-05-26 1985-12-31 Konishiroku Photo Industry Co., Ltd. Magnetic recording medium and a process of fabricating such magnetic recording medium
JPS6043217A (ja) * 1983-08-19 1985-03-07 Toshiba Corp 磁気記録媒体

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5133758A (enExample) * 1974-09-17 1976-03-23 Fuji Photo Film Co Ltd
JPS538798A (en) * 1976-07-13 1978-01-26 Hitachi Maxell Metallic magnetic powder for magnetic recording which has excellent oxidation stability and method of manufacture thereof
JPS55111105A (en) * 1979-02-20 1980-08-27 Mitsui Toatsu Chem Inc Raw magnetic material
JPS5931002A (ja) * 1982-08-13 1984-02-18 Konishiroku Photo Ind Co Ltd 表面処理強磁性粉末の製造方法および磁気記録媒体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63169707A (ja) * 1987-01-08 1988-07-13 Taiyo Yuden Co Ltd 磁気記録媒体用磁性粉末の製造方法
JP2021155842A (ja) * 2020-03-27 2021-10-07 住友金属鉱山株式会社 ニッケル粒子、ニッケル粒子の表面処理方法およびニッケル粉末の製造方法

Also Published As

Publication number Publication date
JPH0340923B2 (enExample) 1991-06-20
US4710427A (en) 1987-12-01

Similar Documents

Publication Publication Date Title
JPS6363972B2 (enExample)
US4713293A (en) Magnetic recording media
JPS60136913A (ja) 磁気記録媒体
JPS60242467A (ja) 金属磁性粉の処理方法
US5176955A (en) Magnetic recording medium comprising ferromagnetic powder having a pH of at least 7 dispersed in a vinyl chloride copolymer using an aromatic phoshoric, phosphonic or sulfonic acid dispersant
EP0107985B1 (en) Magnetic recording medium
JPS60121515A (ja) 磁気記録媒体
JP2615574B2 (ja) 磁気記録媒体
JP2645648B2 (ja) 磁気記録媒体
JPH0435807B2 (enExample)
JPH0414415B2 (enExample)
JPH0332884B2 (enExample)
JP2576102B2 (ja) 磁気記録媒体
JPS61916A (ja) 磁気記録媒体
JPH0435808B2 (enExample)
JPS62134824A (ja) 磁気記録媒体
JPS59218627A (ja) 磁気記録媒体
JPH08165372A (ja) バインダーおよび磁気記録媒体
JPS6383922A (ja) 磁気記録媒体の製造方法
JPS6322368B2 (enExample)
JPS60143430A (ja) 磁気記録媒体
JPS6089822A (ja) 磁気記録媒体
JPH0935244A (ja) 磁気記録媒体
JPH09328653A (ja) バインダーおよび磁気記録媒体
JPS62134825A (ja) 磁気記録媒体