DE69303496D1 - Basisfilm eines digitalen Kompaktkassettenbandes - Google Patents
Basisfilm eines digitalen KompaktkassettenbandesInfo
- Publication number
- DE69303496D1 DE69303496D1 DE69303496T DE69303496T DE69303496D1 DE 69303496 D1 DE69303496 D1 DE 69303496D1 DE 69303496 T DE69303496 T DE 69303496T DE 69303496 T DE69303496 T DE 69303496T DE 69303496 D1 DE69303496 D1 DE 69303496D1
- Authority
- DE
- Germany
- Prior art keywords
- cassette tape
- compact cassette
- basic film
- digital compact
- digital
- 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 - Fee Related
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.]
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 (2)
Publication Number | Publication Date |
---|---|
DE69303496D1 true DE69303496D1 (de) | 1996-08-14 |
DE69303496T2 DE69303496T2 (de) | 1997-02-20 |
Family
ID=11624167
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1993603496 Expired - Fee Related DE69303496T2 (de) | 1992-01-16 | 1993-01-14 | Basisfilm eines digitalen Kompaktkassettenbandes |
Country Status (7)
Country | Link |
---|---|
US (1) | US5419942A (de) |
EP (1) | EP0551905B1 (de) |
JP (1) | JPH05189747A (de) |
KR (1) | KR930016955A (de) |
CA (1) | CA2087297A1 (de) |
DE (1) | DE69303496T2 (de) |
MX (1) | MX9300191A (de) |
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 (de) * | 1985-05-29 | 1990-08-22 | Teijin Limited | Polyesterfilm für magnetische Aufzeichnungsträger |
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 (de) * | 1988-06-08 | 2000-02-02 | Toray Industries, Inc. | Biaxial orientierte Verbundfolie |
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/de 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 |
---|---|
MX9300191A (es) | 1993-07-01 |
DE69303496T2 (de) | 1997-02-20 |
KR930016955A (ko) | 1993-08-30 |
CA2087297A1 (en) | 1993-07-17 |
US5419942A (en) | 1995-05-30 |
EP0551905A1 (de) | 1993-07-21 |
JPH05189747A (ja) | 1993-07-30 |
EP0551905B1 (de) | 1996-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |