NL7901032A - Magnetisch registratiemedium. - Google Patents

Magnetisch registratiemedium.

Info

Publication number
NL7901032A
NL7901032A NL7901032A NL7901032A NL7901032A NL 7901032 A NL7901032 A NL 7901032A NL 7901032 A NL7901032 A NL 7901032A NL 7901032 A NL7901032 A NL 7901032A NL 7901032 A NL7901032 A NL 7901032A
Authority
NL
Netherlands
Prior art keywords
magnetic recording
recording media
media
magnetic
recording
Prior art date
Application number
NL7901032A
Other languages
English (en)
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 NL7901032A publication Critical patent/NL7901032A/nl

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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y10T428/24975—No layer or component greater than 5 mils thick
    • 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
    • Y10T428/257—Iron oxide or aluminum oxide
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
NL7901032A 1978-02-09 1979-02-09 Magnetisch registratiemedium. NL7901032A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1386078A JPS54107313A (en) 1978-02-09 1978-02-09 Magnetic recording medium

Publications (1)

Publication Number Publication Date
NL7901032A true NL7901032A (nl) 1979-08-13

Family

ID=11845010

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7901032A NL7901032A (nl) 1978-02-09 1979-02-09 Magnetisch registratiemedium.

Country Status (4)

Country Link
US (1) US4316927A (nl)
JP (1) JPS54107313A (nl)
DE (1) DE2904796A1 (nl)
NL (1) NL7901032A (nl)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5744227A (en) * 1980-08-30 1982-03-12 Sony Corp Magnetic recording medium
JPH0616324B2 (ja) * 1981-06-10 1994-03-02 富士写真フイルム株式会社 磁気記録媒体
JPS5891528A (ja) * 1981-11-24 1983-05-31 Hitachi Maxell Ltd 磁気記録媒体
US4497865A (en) * 1982-02-17 1985-02-05 Toray Industries, Inc. Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom
JPS58215722A (ja) * 1982-06-08 1983-12-15 Diafoil Co Ltd 磁気記録体用ポリエステルフイルム
US4557982A (en) * 1983-04-07 1985-12-10 Teijin Limited Magnetic recording flexible disc
JPS59188831A (ja) * 1983-04-11 1984-10-26 Fuji Photo Film Co Ltd 磁気記録体
JPS59198532A (ja) * 1983-04-25 1984-11-10 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6063716A (ja) * 1983-09-16 1985-04-12 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0656649B2 (ja) * 1983-10-31 1994-07-27 松下電器産業株式会社 磁気テ−プ
JPS60151830A (ja) * 1984-01-20 1985-08-09 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0656653B2 (ja) * 1984-06-13 1994-07-27 日立マクセル株式会社 磁気記録媒体
JPH0766520B2 (ja) * 1985-01-08 1995-07-19 富士写真フイルム株式会社 磁気記録媒体
US4741977A (en) * 1985-08-20 1988-05-03 Tdk Corporation Magnetic sheet
JPH0762896B2 (ja) * 1985-08-20 1995-07-05 富士写真フイルム株式会社 磁気記録媒体
JPH0766514B2 (ja) * 1985-08-20 1995-07-19 富士写真フイルム株式会社 磁気記録媒体
JPS62135339A (ja) * 1985-12-09 1987-06-18 Diafoil Co Ltd 磁気記録体用ポリエチレン−２，６−ナフタレ−トフイルム
JPH0715742B2 (ja) * 1986-03-24 1995-02-22 富士写真フイルム株式会社 磁気記録媒体
JPH0766525B2 (ja) * 1986-04-16 1995-07-19 富士写真フイルム株式会社 磁気記録媒体
JPS62245520A (ja) * 1986-04-16 1987-10-26 Diafoil Co Ltd 磁気記録媒体
JPH0640382B2 (ja) * 1986-10-20 1994-05-25 富士写真フイルム株式会社 磁気記録媒体
US4833019A (en) * 1987-02-17 1989-05-23 Minnesota Mining And Manufacturing Company Magnetic recording tape comprising a support film having a high transverse direction modulus
US5055349A (en) * 1987-10-16 1991-10-08 Konica Corporation Magnetic recording medium
DE3927622A1 (de) * 1989-08-22 1991-02-28 Basf Ag Magnetischer aufzeichnungstraeger
JP2722128B2 (ja) * 1990-04-20 1998-03-04 富士写真フイルム株式会社 磁気記録媒体
US5665454A (en) * 1991-03-22 1997-09-09 Teijin Limited Biaxially oriented polyethylene-2,6-naphthalate film and magnetic tape formed therefrom
US5525404A (en) * 1994-02-15 1996-06-11 Matsushita Electric Industrial Co., Ltd. Tape-shaped magnetic medium comprising hexagonal ferrite particles having a crystal structure which includes magnetoplumbite and spinel crystal structures
JP3890373B2 (ja) * 1996-02-26 2007-03-07 富士フイルム株式会社 磁気記録媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432591A (en) * 1966-10-21 1969-03-11 Du Pont Biaxially oriented heat set film of high molecular weight polyethylene terephthalate
JPS4820874B1 (nl) * 1969-11-28 1973-06-25
CA1013913A (en) * 1972-07-19 1977-07-19 Maurice E. Beckham Balanced tensilized polyethylene terephthalate film
JPS4959176A (nl) * 1972-10-09 1974-06-08
US4202927A (en) * 1976-09-29 1980-05-13 Fuji Photo Film Co., Ltd. Magnetic recording medium
JPS5366202A (en) * 1976-11-26 1978-06-13 Fuji Photo Film Co Ltd Magnetic recording tape

Also Published As

Publication number Publication date
US4316927A (en) 1982-02-23
DE2904796A1 (de) 1979-08-16
JPS54107313A (en) 1979-08-23

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BV The patent application has lapsed