MX9300191A - Pelicula base de cinta para casete compacto. - Google Patents
Pelicula base de cinta para casete compacto.Info
- Publication number
- MX9300191A MX9300191A MX9300191A MX9300191A MX9300191A MX 9300191 A MX9300191 A MX 9300191A MX 9300191 A MX9300191 A MX 9300191A MX 9300191 A MX9300191 A MX 9300191A MX 9300191 A MX9300191 A MX 9300191A
- Authority
- MX
- Mexico
- Prior art keywords
- base film
- compact cassette
- tape base
- average roughness
- young
- Prior art date
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
- G11B5/73935—Polyester substrates, e.g. polyethylene terephthalate characterised by roughness or surface features, e.g. by added particles
-
- 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
- G11B5/733—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 addition of non-magnetic particles
-
- 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
- G11B5/73929—Polyester substrates, e.g. polyethylene terephthalate comprising naphthalene ring compounds, e.g. polyethylene naphthalate substrates
-
- 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
- G11B5/73931—Two or more layers, at least one layer being polyester
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0072—Roughness, e.g. anti-slip
-
- 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.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
-
- 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.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
- Y10T428/24372—Particulate matter
-
- 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
-
- 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]
-
- 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
-
- 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.]
Landscapes
- Laminated Bodies (AREA)
- Magnetic Record Carriers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
La presente invención se refiere a una película base de una cinta para casete compacto digital, que comprende al menos dos capas que consisten de películas de poliéster orientadas biaxialmente, laminadas, una superficie de la cual tiene una rugosidad promedio, a línea central, de 5 a 20 nm, y la otra superficie de la cual tiene una rugosidad promedio lineal central de 15 a 45 nm, y la cual tiene un módulo de Young en una dirección de la máquina de al menos 600 Kg/mm², tal película base es excelente en las características de estabilidad en el funcionamiento o recorrido y en la conversión electromagnética.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP591492A JPH05189747A (ja) | 1992-01-16 | 1992-01-16 | デジタル・コンパクト・カセット用ベースフィルム |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9300191A true MX9300191A (es) | 1993-07-01 |
Family
ID=11624167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9300191A MX9300191A (es) | 1992-01-16 | 1993-01-14 | Pelicula base de cinta para casete compacto. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5419942A (es) |
EP (1) | EP0551905B1 (es) |
JP (1) | JPH05189747A (es) |
KR (1) | KR930016955A (es) |
CA (1) | CA2087297A1 (es) |
DE (1) | DE69303496T2 (es) |
MX (1) | MX9300191A (es) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2954807B2 (ja) * | 1993-05-13 | 1999-09-27 | 帝人株式会社 | 二軸配向積層ポリエステルフイルム |
US5656356A (en) * | 1994-01-11 | 1997-08-12 | Teijin Limited | Biaxially oriented laminated polyester film |
US5529832A (en) * | 1994-11-10 | 1996-06-25 | Teijin Limited | Biaxially oriented laminated polyester film |
US5737591A (en) * | 1996-05-23 | 1998-04-07 | Microsoft Corporation | Database view generation system |
JPH10188256A (ja) * | 1996-12-20 | 1998-07-21 | Sony Corp | 磁気記録媒体 |
DE19814710A1 (de) | 1998-04-01 | 1999-10-07 | Hoechst Diafoil Gmbh | Mehrschichtige, biaxial orientierte Polyesterfolie, Verfahren zu ihrer Herstellung und ihre Verwendung als Magnetbandfolie |
DE19839848A1 (de) * | 1998-09-02 | 2000-04-13 | Hoechst Diafoil Gmbh | Mehrschichtige, biaxial orientierte Polyesterfolie, Verfahren zu ihrer Herstellung und ihre Verwendung als Magnetbandfolie mit optimierten elektromagnetischen Eigenschaften |
JP3813929B2 (ja) * | 2000-12-11 | 2006-08-23 | 帝人株式会社 | 二軸配向ポリエステルフィルムの製造法 |
JP5052716B2 (ja) | 2001-03-27 | 2012-10-17 | 三菱樹脂株式会社 | 赤外線フィルター |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3414310A1 (de) * | 1984-04-16 | 1985-10-24 | Hoechst Ag, 6230 Frankfurt | Traegerfolie fuer magnetische informationstraeger |
DE3414347A1 (de) * | 1984-04-16 | 1985-10-24 | Hoechst Ag, 6230 Frankfurt | Traegerfolie fuer magnetische informationstraeger |
EP0203604B1 (en) * | 1985-05-29 | 1990-08-22 | Teijin Limited | Polyester film for magnetic recording media |
JPH0630881B2 (ja) * | 1985-11-12 | 1994-04-27 | ダイアホイルヘキスト株式会社 | 感熱転写材用フイルム |
JPH0625267B2 (ja) * | 1985-12-17 | 1994-04-06 | ダイアホイルヘキスト株式会社 | 高密度磁気記録媒体用ポリエチレン−2,6−ナフタレ−トフイルム |
EP0679509B1 (en) * | 1988-06-08 | 2000-02-02 | Toray Industries, Inc. | Biaxially oriented laminated film |
JPH0256721A (ja) * | 1988-07-14 | 1990-02-26 | Konica Corp | 磁気記録媒体 |
JP2953060B2 (ja) * | 1990-12-28 | 1999-09-27 | 三菱化学ポリエステルフィルム株式会社 | 高密度磁気記録媒体 |
JPH04265514A (ja) * | 1991-02-21 | 1992-09-21 | Teijin Ltd | 磁気テープ |
JPH07119297B2 (ja) * | 1991-02-22 | 1995-12-20 | ダイアホイルヘキスト株式会社 | 磁気記録媒体用ポリエチレンテレフタレートフィルム |
US5336079A (en) * | 1991-03-06 | 1994-08-09 | Toray Industries, Inc. | Biaxially oriented laminated film comprising particles in a specific ratio of particle density |
JP2990818B2 (ja) * | 1991-03-08 | 1999-12-13 | 三菱化学ポリエステルフィルム株式会社 | 磁気テープ用ポリエステルフィルム |
-
1992
- 1992-01-16 JP JP591492A patent/JPH05189747A/ja active Pending
-
1993
- 1993-01-14 US US08/004,261 patent/US5419942A/en not_active Expired - Fee Related
- 1993-01-14 DE DE1993603496 patent/DE69303496T2/de not_active Expired - Fee Related
- 1993-01-14 MX MX9300191A patent/MX9300191A/es unknown
- 1993-01-14 EP EP19930100491 patent/EP0551905B1/en not_active Expired - Lifetime
- 1993-01-14 CA CA 2087297 patent/CA2087297A1/en not_active Abandoned
- 1993-01-16 KR KR1019930000541A patent/KR930016955A/ko not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
DE69303496D1 (de) | 1996-08-14 |
DE69303496T2 (de) | 1997-02-20 |
KR930016955A (ko) | 1993-08-30 |
CA2087297A1 (en) | 1993-07-17 |
US5419942A (en) | 1995-05-30 |
EP0551905A1 (en) | 1993-07-21 |
JPH05189747A (ja) | 1993-07-30 |
EP0551905B1 (en) | 1996-07-10 |
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