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FR1531397A - New tapes for magnetic recording - Google Patents

New tapes for magnetic recording

Info

Publication number
FR1531397A
FR1531397A FR92918A FR92918A FR1531397A FR 1531397 A FR1531397 A FR 1531397A FR 92918 A FR92918 A FR 92918A FR 92918 A FR92918 A FR 92918A FR 1531397 A FR1531397 A FR 1531397A
Authority
FR
France
Prior art keywords
magnetic recording
new tapes
tapes
new
recording
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.)
Expired
Application number
FR92918A
Other languages
French (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.)
Kodak Pathe SA
Original Assignee
Kodak Pathe SA
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 Kodak Pathe SA filed Critical Kodak Pathe SA
Priority to FR92918A priority Critical patent/FR1531397A/en
Priority to BE709254D priority patent/BE709254A/xx
Priority to GB4782/68A priority patent/GB1197661A/en
Application granted granted Critical
Publication of FR1531397A publication Critical patent/FR1531397A/en
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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer
    • G11B5/7356—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
    • G11B5/7358—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2 specially adapted for achieving a specific property, e.g. average roughness [Ra]
FR92918A 1967-01-30 1967-01-30 New tapes for magnetic recording Expired FR1531397A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR92918A FR1531397A (en) 1967-01-30 1967-01-30 New tapes for magnetic recording
BE709254D BE709254A (en) 1967-01-30 1968-01-11
GB4782/68A GB1197661A (en) 1967-01-30 1968-01-30 Magnetic Recording Material.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR92918A FR1531397A (en) 1967-01-30 1967-01-30 New tapes for magnetic recording

Publications (1)

Publication Number Publication Date
FR1531397A true FR1531397A (en) 1968-07-05

Family

ID=8624525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR92918A Expired FR1531397A (en) 1967-01-30 1967-01-30 New tapes for magnetic recording

Country Status (3)

Country Link
BE (1) BE709254A (en)
FR (1) FR1531397A (en)
GB (1) GB1197661A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5437482B2 (en) * 1972-11-20 1979-11-15
JPS5813444Y2 (en) * 1977-01-20 1983-03-16 日立マクセル株式会社 magnetic recording tape
DE3325556A1 (en) * 1983-07-15 1985-01-24 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING MAGNETIC RECORDING CARRIERS WITH REAR LAYER
DE3405960A1 (en) * 1984-02-18 1985-08-22 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING MAGNETIC RECORDING CARRIERS WITH REAR LAYER AND MAGNETIC RECORDING CARTRIDGES PRODUCED THEREOF
JPS6122424A (en) * 1984-07-09 1986-01-31 Hitachi Maxell Ltd Magnetic recording medium
DE4117980A1 (en) * 1991-05-31 1992-12-03 Basf Magnetics Gmbh FLEXIBLE MAGNETIC RECORD CARRIER WITH REAR LAYER
DE4216847A1 (en) * 1992-05-21 1993-11-25 Basf Magnetics Gmbh Flexible magnetic recording media with backing
DE4238174A1 (en) * 1992-11-12 1994-05-19 Basf Magnetics Gmbh Flexible magnetic recording media with backing

Also Published As

Publication number Publication date
BE709254A (en) 1968-05-16
GB1197661A (en) 1970-07-08

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