FR2356235A1 - Support d'enregistrement magnetique et procede de fabrication - Google Patents

Support d'enregistrement magnetique et procede de fabrication

Info

Publication number
FR2356235A1
FR2356235A1 FR7719189A FR7719189A FR2356235A1 FR 2356235 A1 FR2356235 A1 FR 2356235A1 FR 7719189 A FR7719189 A FR 7719189A FR 7719189 A FR7719189 A FR 7719189A FR 2356235 A1 FR2356235 A1 FR 2356235A1
Authority
FR
France
Prior art keywords
magnetic recording
manufacturing process
recording support
support
lecithin
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
FR7719189A
Other languages
English (en)
Other versions
FR2356235B1 (fr
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Publication of FR2356235A1 publication Critical patent/FR2356235A1/fr
Application granted granted Critical
Publication of FR2356235B1 publication Critical patent/FR2356235B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record 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
    • G11B5/71—Record 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 lubricant
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

a. Support d'enregistrement magnétique et procédé de fabrication. b. Support caractérisé en ce que la poudre magnétique est recouverte, pratiquement sur toute sa surface par une couche monomoléculaire composée essentiellement de lécithine.
FR7719189A 1976-06-22 1977-06-22 Support d'enregistrement magnetique et procede de fabrication Granted FR2356235A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51073424A JPS6047650B2 (ja) 1976-06-22 1976-06-22 磁気記録媒体とその製法

Publications (2)

Publication Number Publication Date
FR2356235A1 true FR2356235A1 (fr) 1978-01-20
FR2356235B1 FR2356235B1 (fr) 1980-09-12

Family

ID=13517822

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7719189A Granted FR2356235A1 (fr) 1976-06-22 1977-06-22 Support d'enregistrement magnetique et procede de fabrication

Country Status (6)

Country Link
US (1) US4247593A (fr)
JP (1) JPS6047650B2 (fr)
DE (1) DE2728087A1 (fr)
FR (1) FR2356235A1 (fr)
GB (1) GB1578780A (fr)
NL (1) NL7706922A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447072A1 (fr) * 1979-01-17 1980-08-14 Cii Honeywell Bull Corps contenant au moins un transducteur de lecture et/ou d'enregistrement des informations contenues sur un support

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845258Y2 (ja) * 1979-12-17 1983-10-14 大日本印刷株式会社 多湿物保存袋
JPS578925A (en) * 1980-06-20 1982-01-18 Tdk Corp Magnetic recording medium
JPS6043217A (ja) * 1983-08-19 1985-03-07 Toshiba Corp 磁気記録媒体
JPH061547B2 (ja) * 1985-04-30 1994-01-05 日清製油株式会社 磁気記録媒体
DE3929670A1 (de) * 1989-09-07 1991-03-14 Bayer Ag Magnetische eisenoxidpigmente, verfahren zu ihrer herstellung sowie deren verwendung
US5292585A (en) * 1990-08-30 1994-03-08 Tosoh Corporation Magnetic recording medium comprising a magnetic film layer and a coating of purified perfluoropolyther lubricant
IL99097A0 (en) * 1990-09-05 1992-07-15 Akzo Nv Haemophilus paragallinarum vaccine
JPH0526642U (ja) * 1991-09-25 1993-04-06 株式会社アイコム トラツク用の梯子
GB2266535B (en) * 1992-04-30 1996-03-13 Basf Magnetics Gmbh Magnetic recording medium
US5415929A (en) * 1992-04-30 1995-05-16 Basf Magnetic Gmbh Magnetic recording medium having a magnetic layer prepared from magnetic particles using specified dispersants which enhance the electrostatic change on the magnetic pigment surface
CN106632458B (zh) * 2016-11-22 2018-05-29 成都新柯力化工科技有限公司 一种提取蛋黄卵磷脂的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6402096A (fr) * 1963-03-09 1964-09-10
FR2203130A1 (fr) * 1972-10-13 1974-05-10 Agfa Gevaert Ag

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3262812A (en) * 1964-03-26 1966-07-26 Gen Electric Magnetic recording tape with magnetic layer of oxide coated iron-cobalt alloy particles in a binder
US3655595A (en) * 1969-02-20 1972-04-11 Memorex Corp Epoxy binder for magnetic coating composition
US3929658A (en) * 1972-11-02 1975-12-30 Du Pont Magnetic recording compositions and elements of low abrasiveness and process for making them
US3996407A (en) * 1973-12-28 1976-12-07 Basf Aktiengesellschaft Magnetic recording media

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6402096A (fr) * 1963-03-09 1964-09-10
FR2203130A1 (fr) * 1972-10-13 1974-05-10 Agfa Gevaert Ag

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447072A1 (fr) * 1979-01-17 1980-08-14 Cii Honeywell Bull Corps contenant au moins un transducteur de lecture et/ou d'enregistrement des informations contenues sur un support

Also Published As

Publication number Publication date
JPS52156606A (en) 1977-12-27
DE2728087A1 (de) 1978-01-19
FR2356235B1 (fr) 1980-09-12
JPS6047650B2 (ja) 1985-10-23
US4247593A (en) 1981-01-27
NL7706922A (nl) 1977-12-27
GB1578780A (en) 1980-11-12

Similar Documents

Publication Publication Date Title
FR2356235A1 (fr) Support d'enregistrement magnetique et procede de fabrication
IT1089345B (it) Particelle a porosita' superficiale controllata e metodo per la loro produzione
IT997597B (it) Procedimento per la fabbricazione di dischi per registrazione magne tica
JPS5228304A (en) Magnetic recording media
BE784019A (fr) Procede d'enregistrement d'information, support d'enregistrement et procede de fabrication de celui-ci
IT7819753A0 (it) Metodo per la fabbricazione di una custodia per cassetta di una cassetta a nastro magnetico e custodia per cassetta secondo il metodo.
JPS5366202A (en) Magnetic recording tape
FR2321742B1 (fr) Procede de fabrication de supports d'enregistrement magnetique a couche multiple
SE8105077L (sv) Forfarande for framstellning av en tunnfilmsmagnetfeltssensor
BE798227A (fr) Matiere d'enregistrement magnetique et procede de fabrication
FR2342539A1 (fr) Procede de fabrication de supports d'enregistrement magnetiques a surface inusable
BE791618A (fr) Support d'enregistrement a couche magnetique et procede pour safabrication
FR2295515A1 (fr) Procede de fabrication de disques d'enregistrement magnetique
FR2336766A1 (fr) Support d'enregistrement, sa fabrication et son application
BE813790A (fr) Support d'enregistrement magnetique a couche
NL186348B (nl) Magnetisch registratiemedium met verbeterde antistatische eigenschappen en werkwijze ter vervaardiging daarvan.
JPS52141612A (en) Method of producing magnetic recording media
FR2341911A1 (fr) Procede de fabrication de supports d'enregistrement magnetiques a surface inusable
JPS5319809A (en) Production of magnetic recording medium
JPS5367406A (en) Magnetic recording medium and its production
JPS5271202A (en) Production of original disc of information recording media
FR2348806A1 (fr) Procede de fabrication de disques d'enregistrement
JPS5361303A (en) Formation method of protecting layer of recording member
SU525154A1 (ru) Способ изготовлени носител магнитной записи
JPS5358219A (en) Thin film magnetic head assembly

Legal Events

Date Code Title Description
ST Notification of lapse