FR2196499B1 - - Google Patents

Info

Publication number
FR2196499B1
FR2196499B1 FR7329697A FR7329697A FR2196499B1 FR 2196499 B1 FR2196499 B1 FR 2196499B1 FR 7329697 A FR7329697 A FR 7329697A FR 7329697 A FR7329697 A FR 7329697A FR 2196499 B1 FR2196499 B1 FR 2196499B1
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
FR7329697A
Other versions
FR2196499A1 (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 FR2196499A1 publication Critical patent/FR2196499A1/fr
Application granted granted Critical
Publication of FR2196499B1 publication Critical patent/FR2196499B1/fr
Expired 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
FR7329697A 1972-08-14 1973-08-14 Expired FR2196499B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47081265A JPS5129923B2 (fr) 1972-08-14 1972-08-14

Publications (2)

Publication Number Publication Date
FR2196499A1 FR2196499A1 (fr) 1974-03-15
FR2196499B1 true FR2196499B1 (fr) 1977-02-25

Family

ID=13741516

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7329697A Expired FR2196499B1 (fr) 1972-08-14 1973-08-14

Country Status (6)

Country Link
JP (1) JPS5129923B2 (fr)
CA (1) CA1001908A (fr)
DE (1) DE2341168C2 (fr)
FR (1) FR2196499B1 (fr)
GB (1) GB1439644A (fr)
NL (1) NL179689C (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5245309A (en) * 1975-10-07 1977-04-09 Victor Co Of Japan Ltd Media for magnetic recording
JPS54142524U (fr) * 1978-03-27 1979-10-03
JPS57130233A (en) * 1981-02-04 1982-08-12 Fuji Photo Film Co Ltd Magnetic recording medium
DE3125567C2 (de) * 1981-06-30 1986-11-06 Agfa-Gevaert Ag, 5090 Leverkusen Verfahren zur Dispergierung von nadelförmigen magnetischen Pigmenten in einem polymeren Bindemittel unter Verwendung von organischen Borverbindungen als Dispergatoren
JPS59112429A (ja) * 1982-12-17 1984-06-28 Hitachi Maxell Ltd 磁気記録媒体
JPS59139363U (ja) * 1983-03-05 1984-09-18 方喰　保平 粘着ノ−ト
JPS63182163U (fr) * 1987-05-18 1988-11-24
US5532042A (en) * 1989-04-05 1996-07-02 Hitachi Maxell, Ltd. Magnetic recording medium
JP2839745B2 (ja) * 1991-04-18 1998-12-16 帝人株式会社 磁気記録媒体
JPH04324115A (ja) * 1991-04-24 1992-11-13 Teijin Memory Media Kk 磁気記録媒体
CN114560883B (zh) * 2022-03-07 2024-01-26 西安石油大学 一种含硼螺环型原油处理剂及其制备方法

Also Published As

Publication number Publication date
DE2341168C2 (de) 1982-08-19
NL7311219A (fr) 1974-02-18
CA1001908A (en) 1976-12-21
JPS4939402A (fr) 1974-04-12
JPS5129923B2 (fr) 1976-08-28
GB1439644A (en) 1976-06-16
NL179689C (nl) 1986-10-16
DE2341168A1 (de) 1974-02-28
FR2196499A1 (fr) 1974-03-15

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Legal Events

Date Code Title Description
ST Notification of lapse