BR8000171A - Fita gravadora magnetica,e,processo de fabricacao de fita gravadora magnetica - Google Patents

Fita gravadora magnetica,e,processo de fabricacao de fita gravadora magnetica

Info

Publication number
BR8000171A
BR8000171A BR8000171A BR8000171A BR8000171A BR 8000171 A BR8000171 A BR 8000171A BR 8000171 A BR8000171 A BR 8000171A BR 8000171 A BR8000171 A BR 8000171A BR 8000171 A BR8000171 A BR 8000171A
Authority
BR
Brazil
Prior art keywords
magnetic recording
recording tape
manufacturing process
tape manufacturing
magnetic
Prior art date
Application number
BR8000171A
Other languages
English (en)
Inventor
L Clemens
W Scantlin
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BR8000171A publication Critical patent/BR8000171A/pt

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
    • 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
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31511—Of epoxy ether
    • 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]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
BR8000171A 1979-01-11 1980-01-10 Fita gravadora magnetica,e,processo de fabricacao de fita gravadora magnetica BR8000171A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/002,790 US4210703A (en) 1979-01-11 1979-01-11 Polyester-film backed magnetic recording tape having epoxy subbing layer

Publications (1)

Publication Number Publication Date
BR8000171A true BR8000171A (pt) 1980-10-21

Family

ID=21702524

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8000171A BR8000171A (pt) 1979-01-11 1980-01-10 Fita gravadora magnetica,e,processo de fabricacao de fita gravadora magnetica

Country Status (12)

Country Link
US (1) US4210703A (pt)
JP (1) JPS5597027A (pt)
AU (1) AU532796B2 (pt)
BE (1) BE881090A (pt)
BR (1) BR8000171A (pt)
CA (1) CA1138991A (pt)
DE (1) DE3000948A1 (pt)
FR (1) FR2446522B1 (pt)
GB (1) GB2040733B (pt)
IT (1) IT1143101B (pt)
NL (1) NL189580C (pt)
ZA (1) ZA80153B (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108929A (en) * 1979-02-09 1980-08-21 Hitachi Ltd Magnetic recording medium and its production and production unit
US4383025A (en) * 1980-07-10 1983-05-10 Ciba-Geigy Corporation Photopolymerization by means of sulfoxonium salts
US4398014A (en) * 1980-11-04 1983-08-09 Ciba-Geigy Corporation Sulfoxonium salts and their use as polymerization catalysts
JPS57150126A (en) * 1981-03-13 1982-09-16 Tdk Corp Magnetic recording medium
JPS57169929A (en) * 1981-04-13 1982-10-19 Tdk Corp Magnetic recording medium and its manufacture
US4511629A (en) * 1982-02-05 1985-04-16 Tdk Electronics Co., Ltd. Magnetic recording medium
JPS5919230A (ja) * 1982-07-21 1984-01-31 Fuji Photo Film Co Ltd 磁気記録媒体
US4548855A (en) * 1982-11-02 1985-10-22 Toray Industries, Inc. Polyester film for magnetic recording medium
JPS59142741A (ja) * 1983-02-04 1984-08-16 Fuji Photo Film Co Ltd 磁気記録媒体
JPS59195322A (ja) * 1983-04-20 1984-11-06 Toray Ind Inc 磁気デイスク
JPS6038723A (ja) * 1983-08-09 1985-02-28 Tdk Corp 磁気記録媒体
JPS6045940A (ja) * 1983-08-22 1985-03-12 Fuji Photo Film Co Ltd 磁気記録媒体
US4514439A (en) * 1983-09-16 1985-04-30 Rohm And Haas Company Dust cover
US4594262A (en) * 1984-07-05 1986-06-10 Minnesota Mining And Manufacturing Company Electron beam adhesion-promoting treatment of polyester film base
US4533566A (en) * 1984-07-05 1985-08-06 Minnesota Mining And Manufacturing Company Electron-beam adhesion-promoting treatment of polyester film base for silicone release liners
US4543268A (en) * 1984-07-05 1985-09-24 Minnesota Mining And Manufacturing Company Electron-beam adhesion-promoting treatment of polyester film base for magnetic recording media
JPH0610856B2 (ja) * 1984-08-04 1994-02-09 ティーディーケイ株式会社 磁気記録媒体
US5057371A (en) 1985-06-14 1991-10-15 Minnesota Mining And Manufacturing Company Aziridine-treated articles
US4775593A (en) * 1987-06-09 1988-10-04 Hoechst Celanese Corporation Flexible magnetic recording media having superior peel strength
JP2947355B2 (ja) * 1989-02-11 1999-09-13 日立マクセル株式会社 磁気記録テープ
JP2569199B2 (ja) * 1990-04-11 1997-01-08 帝人株式会社 易接着性ポリエステルフイルム及びその製造方法
JP2616711B2 (ja) * 1994-09-14 1997-06-04 東レ株式会社 磁気記録媒体
US6235363B1 (en) * 1998-05-06 2001-05-22 Avery Dennison Corporation Composite construction containing barrier layer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE617295A (nl) * 1962-01-22 1962-10-29 Gevaert Photo Prod Nv Magnetisch registreermateriaal.
US3666874A (en) * 1971-05-27 1972-05-30 Clement Labbe Tuning fork for electrically amplified string instruments
JPS5823646B2 (ja) * 1975-12-29 1983-05-17 富士写真フイルム株式会社 ジキキロクタイノセイホウ
US4049566A (en) * 1976-06-04 1977-09-20 Memorex Corporation Magnetic coating composition
DE2929847C2 (de) * 1979-07-23 1981-12-10 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Magnetisches Aufzeichnungsmedium

Also Published As

Publication number Publication date
AU5452180A (en) 1980-07-17
CA1138991A (en) 1983-01-04
FR2446522B1 (fr) 1988-06-17
IT1143101B (it) 1986-10-22
NL189580B (nl) 1992-12-16
NL189580C (nl) 1993-05-17
DE3000948A1 (de) 1980-07-24
US4210703A (en) 1980-07-01
AU532796B2 (en) 1983-10-13
DE3000948C2 (pt) 1989-07-20
NL8000114A (nl) 1980-07-15
GB2040733B (en) 1983-01-06
JPS5597027A (en) 1980-07-23
FR2446522A1 (fr) 1980-08-08
ZA80153B (en) 1981-01-28
BE881090A (fr) 1980-07-10
IT8047565A0 (it) 1980-01-10
GB2040733A (en) 1980-09-03

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