KR20010062643A - 자기기록매체용 폴리에스테르필름 및 자기기록테이프 - Google Patents
자기기록매체용 폴리에스테르필름 및 자기기록테이프 Download PDFInfo
- Publication number
- KR20010062643A KR20010062643A KR1020000080541A KR20000080541A KR20010062643A KR 20010062643 A KR20010062643 A KR 20010062643A KR 1020000080541 A KR1020000080541 A KR 1020000080541A KR 20000080541 A KR20000080541 A KR 20000080541A KR 20010062643 A KR20010062643 A KR 20010062643A
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- magnetic recording
- polyester film
- film
- fine particles
- Prior art date
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/09—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
- B32B2038/0028—Stretching, elongating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2305/00—Condition, form or state of the layers or laminate
- B32B2305/30—Fillers, e.g. particles, powders, beads, flakes, spheres, chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/208—Magnetic, paramagnetic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2429/00—Carriers for sound or information
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
-
- 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
- Y10T428/25—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
- Magnetic Record Carriers (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
Claims (11)
- 적어도 폴리에스테르층 A 및 폴리에스테르층 B가 적층되어 이루어지는 폴리에스테르필름으로서, 층 A측 표면의 중심선 면평균조도(SRa값)가 2~4㎚, 十점 평균면조도(SRz값)가 10~40㎚이고, 층 B 중에 평균입자직경이 50㎚이상 250㎚미만의 미세입자 α 및 평균입자직경이 250㎚이상 500㎚미만의 미세입자 β가 포함되고, 층 B중의 미세입자 α의 함유량이 0.1~1중량%, 미세입자 β의 함유량이 0.01~0.1중량%인 것을 특징으로 하는 자기기록매체용 폴리에스테르필름.
- 제1항에 있어서, 층 B중에 왁스 및/또는 비누가 0.05~1중량% 함유되어 있는 것을 특징으로 하는 자기기록매체용 폴리에스테르필름.
- 제1항에 있어서, 층 B중에 실리콘화합물 및/또는 불소화합물이 0.001~0.1중량% 함유되어 있는 것을 특징으로 하는 자기기록매체용 폴리에스테르필름.
- 제1항에 있어서, 층 B중에 왁스 및/또는 비누가 0.05~1중량%, 실리콘화합물 및/또는 불소화합물이 0.001~0.1중량% 함유되어 있는 것을 특징으로 하는 자기기록매체용 폴리에스테르필름.
- 제1항에 있어서, 폴리에스테르가 폴리에틸렌 테레프탈레이트 또는 폴리에틸렌-2,6-나프탈레이트인 것을 특징으로 하는 자기기록매체용 폴리에스테르필름.
- 제1항에 있어서, 층 B측 표면에는 도포에 의해 형성된 미끄럼용이층이 없는 것을 특징으로 하는 자기기록매체용 폴리에스테르필름.
- 제1항에 있어서, 층 A측 표면에 피복층이 형성되어 있는 것을 특징으로 하는 자기기록매체용 폴리에스테르필름.
- 제1항에 있어서, 층 A측 표면에 강자성 금속박막을 형성하여 사용되는 것을 특징으로 하는 자기기록매체용 폴리에스테르필름.
- 제1항 내지 제8항 중 어느 한 항에 기재된 폴리에스테르필름의 층 A측 표면에 강자성 금속박막을 형성하여 이루어지는 것을 특징으로 하는 자기기록테이프.
- 제9항에 있어서, 층 B측 표면에 백코트층이 형성되어 있는 것을 특징으로 하는 자기기록테이프.
- 제9항에 있어서, 디지털 기록방식 비디오카세트리코더용 테이프인 것을 특징으로 하는 자기기록테이프.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP36640399 | 1999-12-24 | ||
JP99-366403 | 1999-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010062643A true KR20010062643A (ko) | 2001-07-07 |
KR100758262B1 KR100758262B1 (ko) | 2007-09-12 |
Family
ID=18486703
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000080541A KR100758262B1 (ko) | 1999-12-24 | 2000-12-22 | 자기기록매체용 폴리에스테르필름 및 자기기록테이프 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6468627B2 (ko) |
EP (1) | EP1111594A1 (ko) |
JP (1) | JP2001243616A (ko) |
KR (1) | KR100758262B1 (ko) |
CN (1) | CN1197057C (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1174457B1 (en) * | 1999-12-03 | 2004-12-22 | Toray Industries, Inc. | Biaxially stretched polyester film for forming |
US6783889B2 (en) * | 2000-12-13 | 2004-08-31 | Toray Industries, Inc. | Polyester film and magnetic recording medium using the same |
JP2002313057A (ja) * | 2001-04-18 | 2002-10-25 | Fuji Photo Film Co Ltd | 磁気テープカセット |
US7344786B2 (en) * | 2001-10-29 | 2008-03-18 | Fujifilm Corporation | Magnetic recording medium including a smooth coating layer on one side of the support |
US8017795B2 (en) * | 2005-04-21 | 2011-09-13 | Ndsu Research Foundation | Radiation curable polymer films having improved laser ablation properties and radiation curable sensitizers therefor |
WO2007095176A2 (en) * | 2006-02-14 | 2007-08-23 | Toray Plastics (America), Inc. | Biaxially oriented polyester film for molding process |
US9221286B2 (en) | 2013-04-09 | 2015-12-29 | Toray Plastics (America), Inc. | Polyester film with smooth surface properties for winding and printing |
US20160129287A1 (en) * | 2014-11-10 | 2016-05-12 | Training Mask, LLC | Scent Suppression Mask |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57195321A (en) | 1981-05-08 | 1982-12-01 | Teijin Ltd | Metallic thin film magnetic recording medium |
US4616057A (en) | 1985-07-10 | 1986-10-07 | Sun Chemical Corporation | Polymer emulsion containing an interpenetrating polymer network |
JPS6426338A (en) | 1987-07-22 | 1989-01-27 | Hitachi Ltd | Rotor of rotary electric machine |
EP0572224B2 (en) * | 1992-05-27 | 2004-03-10 | Teijin Limited | Biaxially oriented laminated polyester film |
JPH09164644A (ja) | 1995-12-13 | 1997-06-24 | Toray Ind Inc | 磁気記録媒体用複合ポリエステルフィルム |
JPH10172127A (ja) | 1996-12-09 | 1998-06-26 | Toray Ind Inc | 磁気記録媒体用ポリエステルフィルム及び磁気記録テープ |
JPH10172128A (ja) | 1996-12-09 | 1998-06-26 | Toray Ind Inc | 磁気テープ |
JPH10188256A (ja) | 1996-12-20 | 1998-07-21 | Sony Corp | 磁気記録媒体 |
JPH10261217A (ja) | 1997-03-18 | 1998-09-29 | Toray Ind Inc | 磁気テープ |
JPH10261218A (ja) * | 1997-03-18 | 1998-09-29 | Toray Ind Inc | 磁気テープ |
JP3746791B2 (ja) * | 1997-04-30 | 2006-02-15 | 帝人株式会社 | 低帯電性複合ポリエステルフィルム |
JPH1116145A (ja) | 1997-06-20 | 1999-01-22 | Sony Corp | 磁気記録媒体 |
JPH1191053A (ja) | 1997-09-19 | 1999-04-06 | Toray Ind Inc | 磁気記録媒体用ポリエステルフィルムおよび磁気記録媒体 |
JPH11170466A (ja) | 1997-12-17 | 1999-06-29 | Toray Ind Inc | 磁気記録媒体用ポリエステルフィルムおよび磁気記録媒体 |
-
2000
- 2000-12-12 JP JP2000377517A patent/JP2001243616A/ja active Pending
- 2000-12-19 US US09/739,012 patent/US6468627B2/en not_active Expired - Lifetime
- 2000-12-19 EP EP00127798A patent/EP1111594A1/en not_active Withdrawn
- 2000-12-22 KR KR1020000080541A patent/KR100758262B1/ko active IP Right Grant
- 2000-12-25 CN CNB00136457XA patent/CN1197057C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1111594A1 (en) | 2001-06-27 |
CN1311507A (zh) | 2001-09-05 |
US6468627B2 (en) | 2002-10-22 |
KR100758262B1 (ko) | 2007-09-12 |
CN1197057C (zh) | 2005-04-13 |
US20010006743A1 (en) | 2001-07-05 |
JP2001243616A (ja) | 2001-09-07 |
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