FR2021243A1 - - Google Patents

Info

Publication number
FR2021243A1
FR2021243A1 FR6936181A FR6936181A FR2021243A1 FR 2021243 A1 FR2021243 A1 FR 2021243A1 FR 6936181 A FR6936181 A FR 6936181A FR 6936181 A FR6936181 A FR 6936181A FR 2021243 A1 FR2021243 A1 FR 2021243A1
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.)
Withdrawn
Application number
FR6936181A
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.)
BASF SE
Original Assignee
BASF SE
Badische Anilin and Sodafabrik AG
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 BASF SE, Badische Anilin and Sodafabrik AG filed Critical BASF SE
Publication of FR2021243A1 publication Critical patent/FR2021243A1/fr
Withdrawn legal-status Critical Current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
    • G11B5/708—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 addition of non-magnetic particles to the layer
    • G11B5/7085—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 addition of non-magnetic particles to the layer non-magnetic abrasive particles
FR6936181A 1968-10-22 1969-10-22 Withdrawn FR2021243A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681804393 DE1804393A1 (de) 1968-10-22 1968-10-22 Verfahren zur Herstellung von magnetischen Aufzeichnungstraegern

Publications (1)

Publication Number Publication Date
FR2021243A1 true FR2021243A1 (fr) 1970-07-17

Family

ID=5711131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6936181A Withdrawn FR2021243A1 (fr) 1968-10-22 1969-10-22

Country Status (5)

Country Link
JP (1) JPS509401B1 (fr)
BE (1) BE740578A (fr)
DE (1) DE1804393A1 (fr)
FR (1) FR2021243A1 (fr)
GB (1) GB1277822A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206548A1 (fr) * 1972-11-10 1974-06-07 Basf Ag
DE3024078A1 (de) * 1979-06-26 1981-01-15 Victor Company Of Japan Magnetisches aufzeichnungsmedium und verfahren zu seiner herstellung

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5525406A (en) * 1978-08-11 1980-02-23 Hitachi Ltd Preparation of coating composition for magnetic recording disc
JPS5724027A (en) * 1980-07-16 1982-02-08 Tdk Corp Magnetic recording medium
JPS5758227A (en) * 1980-09-25 1982-04-07 Tdk Corp Magnetic recording medium
JPS57162127A (en) * 1981-03-31 1982-10-05 Fuji Photo Film Co Ltd Magnetic recording body
JPS57183628A (en) * 1981-05-07 1982-11-12 Fuji Photo Film Co Ltd Magnetic recording medium
US4778714A (en) * 1985-10-11 1988-10-18 Minnesota Mining And Manufacturing Company Nonabrasive magnetic recording tape
JP2826835B2 (ja) * 1989-03-28 1998-11-18 ティーディーケイ株式会社 磁気記録媒体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2206548A1 (fr) * 1972-11-10 1974-06-07 Basf Ag
DE3024078A1 (de) * 1979-06-26 1981-01-15 Victor Company Of Japan Magnetisches aufzeichnungsmedium und verfahren zu seiner herstellung

Also Published As

Publication number Publication date
JPS509401B1 (fr) 1975-04-12
GB1277822A (en) 1972-06-14
BE740578A (fr) 1970-04-21
DE1804393A1 (de) 1970-05-27

Similar Documents

Publication Publication Date Title
AU5506869A (fr)
AU5184069A (fr)
JPS509401B1 (fr)
AU6168869A (fr)
AU6171569A (fr)
AU4811568A (fr)
AU4744468A (fr)
BE630165A (fr)
BE726665A (fr)
BE709446A (fr)
BE581157A (fr)
BE708888A (fr)
BE708933A (fr)
AU5758767A (fr)
BE728691A (fr)
BE728688A (fr)
BE728617A (fr)
BE728449A (fr)
BE728353A (fr)
BE728140A (fr)
BE709435A (fr)
BE727863A (fr)
BE727764A (fr)
BE727515A (fr)
BE727461A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse