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1. JP1982154618 - 磁気記録媒体

Office
Japan
Application Number 1981040202
Application Date 19.03.1981
Publication Number 1982154618
Publication Date 24.09.1982
Grant Number 1736959
Grant Date 26.02.1993
Publication Kind B1
IPC
G11B 5/706
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
5Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
62Record carriers characterised by the selection of the material
68comprising one or more layers of magnetisable particles homogeneously mixed with a bonding agent
70on a base layer
706characterised by the composition of the magnetic material
CPC
G11B 5/706
GPHYSICS
11INFORMATION STORAGE
BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
5Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
62Record carriers characterised by the selection of the material
68comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
70on a base layer
706characterised by the composition of the magnetic material
Y10S 428/90
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
428Stock material or miscellaneous articles
90Magnetic feature
Y10T 428/256
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
428Stock material or miscellaneous articles
25Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
256Heavy metal or aluminum or compound thereof
Y10T 428/31609
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
428Stock material or miscellaneous articles
31504Composite [nonstructural laminate]
31551Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
31609Particulate metal or metal compound-containing
Y10T 428/31935
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
10TECHNICAL SUBJECTS COVERED BY FORMER USPC
TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
428Stock material or miscellaneous articles
31504Composite [nonstructural laminate]
31855Of addition polymer from unsaturated monomers
31935Ester, halide or nitrile of addition polymer
Applicants ソニー株式会社
Inventors 中鉢 良治
川村 尚古
染沢 昌志
Agents 東京計器株式会社
氏名無しまたは不明
氏名無しまたは不明
Title
(JA) 磁気記録媒体
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