FR2483663B1 - - Google Patents

Info

Publication number
FR2483663B1
FR2483663B1 FR8110659A FR8110659A FR2483663B1 FR 2483663 B1 FR2483663 B1 FR 2483663B1 FR 8110659 A FR8110659 A FR 8110659A FR 8110659 A FR8110659 A FR 8110659A FR 2483663 B1 FR2483663 B1 FR 2483663B1
Authority
FR
France
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
Application number
FR8110659A
Other languages
French (fr)
Other versions
FR2483663A1 (OSRAM
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 FR2483663A1 publication Critical patent/FR2483663A1/fr
Application granted granted Critical
Publication of FR2483663B1 publication Critical patent/FR2483663B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
    • C08G77/24—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen halogen-containing groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04—Polysiloxanes
    • C08G77/38—Polysiloxanes modified by chemical after-treatment
    • C08G77/382—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon
    • C08G77/385—Polysiloxanes modified by chemical after-treatment containing atoms other than carbon, hydrogen, oxygen or silicon containing halogens
    • 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
    • G11B5/72—Protective coatings, e.g. anti-static or antifriction
    • G11B5/725—Protective coatings, e.g. anti-static or antifriction containing a lubricant, e.g. organic compounds
    • 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
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12701—Pb-base component
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paints Or Removers (AREA)
  • Lubricants (AREA)
  • Magnetic Record Carriers (AREA)
FR8110659A 1980-05-28 1981-05-27 Expired FR2483663B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7106580A JPS56169223A (en) 1980-05-28 1980-05-28 Magnetic recording medium

Publications (2)

Publication Number Publication Date
FR2483663A1 FR2483663A1 (OSRAM) 1981-12-04
FR2483663B1 true FR2483663B1 (OSRAM) 1984-04-27

Family

ID=13449745

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8110659A Expired FR2483663B1 (OSRAM) 1980-05-28 1981-05-27

Country Status (5)

Country Link
US (1) US4369230A (OSRAM)
JP (1) JPS56169223A (OSRAM)
DE (1) DE3121215A1 (OSRAM)
FR (1) FR2483663B1 (OSRAM)
NL (1) NL188714C (OSRAM)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57152535A (en) * 1981-03-18 1982-09-20 Hitachi Maxell Ltd Magnetic recording medium
JPS5823325A (ja) * 1981-03-19 1983-02-12 Fuji Photo Film Co Ltd 磁気記録媒体
JPS5891527A (ja) * 1981-11-26 1983-05-31 Sony Corp 磁気記録媒体
JPS5922227A (ja) * 1982-07-29 1984-02-04 Victor Co Of Japan Ltd 磁気記録媒体
JPS5922229A (ja) * 1982-07-29 1984-02-04 Victor Co Of Japan Ltd 磁気記録媒体
DE3333930C2 (de) * 1982-09-21 1985-08-14 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Magnetaufzeichnungsmaterial
JPS5994234A (ja) * 1982-11-19 1984-05-30 Sony Corp 磁気記録媒体
US4507217A (en) * 1983-03-07 1985-03-26 Lipid Specialties, Inc. Magnetic compositions and magnetic memory devices prepared therefrom
JPS59188832A (ja) * 1983-04-11 1984-10-26 Sony Corp 磁気記録媒体
JPS6027539A (ja) * 1983-07-26 1985-02-12 帝人株式会社 易滑性ポリエステルフイルム
JPS60111334A (ja) * 1983-11-18 1985-06-17 Matsushita Electric Ind Co Ltd 磁気記録媒体
JPS60119629A (ja) * 1983-11-30 1985-06-27 Sony Corp 磁気記録媒体
JPS61915A (ja) * 1984-06-13 1986-01-06 Konishiroku Photo Ind Co Ltd 磁気記録媒体
JPS6194233A (ja) * 1984-10-15 1986-05-13 Fuji Photo Film Co Ltd 磁気記録媒体
JPS61104326A (ja) * 1984-10-23 1986-05-22 Fuji Photo Film Co Ltd 磁気記録媒体
JPS62180521A (ja) * 1986-02-05 1987-08-07 Victor Co Of Japan Ltd 磁気記録媒体
JPS62183027A (ja) * 1986-02-05 1987-08-11 Victor Co Of Japan Ltd 磁気記録媒体
US4640790A (en) * 1986-07-14 1987-02-03 Dow Corning Corporation Dispersant composition for magnetic media
JP2537081B2 (ja) * 1988-10-18 1996-09-25 富士写真フイルム株式会社 磁気記録媒体
JP2796852B2 (ja) * 1988-10-31 1998-09-10 インターナショナル・ビジネス・マシーンズ・コーポレーション 磁気記憶装置及び方法
JP2537395B2 (ja) * 1989-03-15 1996-09-25 大日精化工業株式会社 磁気記録媒体
JP2537396B2 (ja) * 1989-03-15 1996-09-25 大日精化工業株式会社 磁気記録媒体
US5270109A (en) * 1990-01-17 1993-12-14 Fuji Photo Film Co., Ltd. Magnetic recording medium having a magnetic layer comprising ferromagnetic powder, a binder and a specified organosilicon lubricant compound
JPH0497707U (OSRAM) * 1991-02-19 1992-08-24
JP2856938B2 (ja) * 1991-04-26 1999-02-10 富士写真フイルム株式会社 磁気記録媒体

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1057340B (de) * 1955-05-31 1959-05-14 Dow Corning Verfahren zur Herstellung von neuen Organopolysiloxanen
GB960534A (en) * 1961-08-28 1964-06-10 Dow Corning Organosilicon compounds
JPS5228687B2 (OSRAM) * 1973-07-21 1977-07-28
GB1489436A (en) * 1973-12-28 1977-10-19 Basf Ag Magnetic recording medium containing lubricants
JPS5234923B2 (OSRAM) * 1974-10-02 1977-09-06
JPS5234924B2 (OSRAM) * 1974-10-02 1977-09-06
JPS5270811A (en) * 1975-12-10 1977-06-13 Fuji Photo Film Co Ltd Magnetic recording material
JPS52108804A (en) * 1976-03-10 1977-09-12 Fuji Photo Film Co Ltd Magnetic recording material
JPS52140303A (en) * 1976-05-18 1977-11-22 Sony Corp Magnetic record medium
JPS6028051B2 (ja) * 1976-08-19 1985-07-02 富士写真フイルム株式会社 磁気記録体
JPS5414711A (en) * 1977-07-06 1979-02-03 Fuji Photo Film Co Ltd Magnetic recording medium
US4267206A (en) * 1978-03-17 1981-05-12 Graham Magnetics, Inc. Process of making high-temperature magnetic tape

Also Published As

Publication number Publication date
NL8102608A (nl) 1981-12-16
JPS56169223A (en) 1981-12-25
US4369230A (en) 1983-01-18
DE3121215C2 (OSRAM) 1991-10-31
DE3121215A1 (de) 1982-05-19
NL188714C (nl) 1992-09-01
FR2483663A1 (OSRAM) 1981-12-04
NL188714B (nl) 1992-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse