NL190296C - Magnetisch registratiemedium. - Google Patents
Magnetisch registratiemedium.Info
- Publication number
- NL190296C NL190296C NL8403173A NL8403173A NL190296C NL 190296 C NL190296 C NL 190296C NL 8403173 A NL8403173 A NL 8403173A NL 8403173 A NL8403173 A NL 8403173A NL 190296 C NL190296 C NL 190296C
- Authority
- NL
- Netherlands
- Prior art keywords
- record medium
- magnetic record
- magnetic
- medium
- record
- 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
- G11B5/735—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 back layer
-
- 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
- G11B5/735—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 back layer
- G11B5/7356—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 back layer comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
-
- 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
-
- 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
- Y10T428/24—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.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
- Y10T428/24372—Particulate matter
- Y10T428/24405—Polymer or resin [e.g., natural or synthetic rubber, 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.]
- Y10T428/24942—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
-
- 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
-
- 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
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31609—Particulate metal or metal compound-containing
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19256383A JPS6085423A (ja) | 1983-10-17 | 1983-10-17 | 磁気記録媒体 |
JP19256283A JPS6085415A (ja) | 1983-10-17 | 1983-10-17 | 磁気記録媒体 |
JP19256283 | 1983-10-17 | ||
JP19256383 | 1983-10-17 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8403173A NL8403173A (nl) | 1985-05-17 |
NL190296B NL190296B (nl) | 1993-08-02 |
NL190296C true NL190296C (nl) | 1994-01-03 |
Family
ID=26507392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL8403173A NL190296C (nl) | 1983-10-17 | 1984-10-17 | Magnetisch registratiemedium. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4567083A (nl) |
DE (1) | DE3437887A1 (nl) |
GB (1) | GB2148149B (nl) |
NL (1) | NL190296C (nl) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4950535A (en) * | 1983-03-25 | 1990-08-21 | Tdk Corporation | Magnetic recording medium |
JPS6028024A (ja) * | 1983-07-26 | 1985-02-13 | Tdk Corp | 磁気記録媒体 |
JPS6028023A (ja) * | 1983-07-26 | 1985-02-13 | Tdk Corp | 磁気記録媒体 |
US4639389A (en) * | 1983-12-12 | 1987-01-27 | Tdk Corporation | Magnetic recording medium |
JPS60167114A (ja) * | 1984-02-10 | 1985-08-30 | Tdk Corp | 磁気記録媒体 |
JPS626437A (ja) * | 1985-07-01 | 1987-01-13 | Tdk Corp | 磁気記録媒体及び其の製造方法 |
JPH0795369B2 (ja) * | 1985-12-25 | 1995-10-11 | 株式会社東芝 | 垂直磁気記録媒体 |
JPH0393032A (ja) * | 1989-09-04 | 1991-04-18 | Kao Corp | 磁気記録媒体 |
JP3032808B2 (ja) * | 1989-09-29 | 2000-04-17 | コニカ株式会社 | 磁気記録媒体の製造方法 |
JP2824974B2 (ja) * | 1989-11-10 | 1998-11-18 | ティーディーケイ株式会社 | 磁気テープカートリッジ |
JPH04113509A (ja) * | 1990-08-31 | 1992-04-15 | Victor Co Of Japan Ltd | 磁気記録媒体及びその製造方法 |
US5487951A (en) * | 1991-07-08 | 1996-01-30 | Minnesota Mining And Manufacturing Company | Magnetic recording medium with a binder resin of a starblock copolymer having at least six arms |
US5589247A (en) * | 1992-12-22 | 1996-12-31 | Minnesota Mining And Manufacturing Company | Magnetic recording medium having an embossed backcoat layer |
US6083628A (en) * | 1994-11-04 | 2000-07-04 | Sigma Laboratories Of Arizona, Inc. | Hybrid polymer film |
US6656550B1 (en) | 1996-10-08 | 2003-12-02 | Alan M. Zamore | Dilatation device of uniform outer diameter |
US7749585B2 (en) * | 1996-10-08 | 2010-07-06 | Alan Zamore | Reduced profile medical balloon element |
US7728049B2 (en) * | 1996-10-08 | 2010-06-01 | Zamore Alan M | Irradiation conversion of thermoplastic to thermoset polymers |
US5900444A (en) * | 1996-10-08 | 1999-05-04 | Zamore; Alan | Irradiation conversion of thermoplastic to thermoset polyurethane |
US6558732B1 (en) * | 1998-11-18 | 2003-05-06 | Alan M. Zamore | Process for producing an implantable apparatus comprising a biomedical device coated with crosslinked TPU |
US6635512B1 (en) * | 1999-11-04 | 2003-10-21 | Rohm Co., Ltd. | Method of producing a semiconductor device by dividing a semiconductor wafer into separate pieces of semiconductor chips |
US7736765B2 (en) * | 2004-12-28 | 2010-06-15 | Seagate Technology Llc | Granular perpendicular magnetic recording media with dual recording layer and method of fabricating same |
US8110298B1 (en) | 2005-03-04 | 2012-02-07 | Seagate Technology Llc | Media for high density perpendicular magnetic recording |
US8119263B2 (en) * | 2005-09-22 | 2012-02-21 | Seagate Technology Llc | Tuning exchange coupling in magnetic recording media |
US8697260B2 (en) * | 2008-07-25 | 2014-04-15 | Seagate Technology Llc | Method and manufacture process for exchange decoupled first magnetic layer |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS567233A (en) * | 1979-06-25 | 1981-01-24 | Tdk Corp | Magnetic recording medium |
JPS5698719A (en) * | 1980-01-10 | 1981-08-08 | Fuji Photo Film Co Ltd | Magnetic recording medium |
DE3113859A1 (de) * | 1980-04-07 | 1982-01-28 | Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa | Magnetisches aufzeichnungsmaterial |
US4328935A (en) * | 1980-06-12 | 1982-05-11 | Minnesota Mining And Manufacturing Company | Flexible magnetic recording tape having low-friction backside coating |
JPS578926A (en) * | 1980-06-17 | 1982-01-18 | Fuji Photo Film Co Ltd | Magnetic recording body |
JPS57133520A (en) * | 1981-02-10 | 1982-08-18 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS57150136A (en) * | 1981-03-09 | 1982-09-16 | Fuji Photo Film Co Ltd | Magnetic recording medium and its manufacture |
JPS57150135A (en) * | 1981-03-12 | 1982-09-16 | Fuji Photo Film Co Ltd | Magnetic recording body |
JPS57169929A (en) * | 1981-04-13 | 1982-10-19 | Tdk Corp | Magnetic recording medium and its manufacture |
JPS57200937A (en) * | 1981-06-05 | 1982-12-09 | Tdk Corp | Magnetic recording medium |
JPS57200938A (en) * | 1981-06-05 | 1982-12-09 | Tdk Corp | Magnetic recording medium |
JPS57208637A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
JPS583132A (ja) * | 1981-06-30 | 1983-01-08 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS5891528A (ja) * | 1981-11-24 | 1983-05-31 | Hitachi Maxell Ltd | 磁気記録媒体 |
JPS58130435A (ja) * | 1982-01-29 | 1983-08-03 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPS5965929A (ja) * | 1982-10-06 | 1984-04-14 | Tdk Corp | 磁気記録媒体及びその製造方法 |
-
1984
- 1984-10-16 US US06/661,499 patent/US4567083A/en not_active Expired - Lifetime
- 1984-10-16 DE DE19843437887 patent/DE3437887A1/de not_active Ceased
- 1984-10-17 GB GB8426244A patent/GB2148149B/en not_active Expired
- 1984-10-17 NL NL8403173A patent/NL190296C/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL8403173A (nl) | 1985-05-17 |
DE3437887A1 (de) | 1985-05-23 |
US4567083A (en) | 1986-01-28 |
GB2148149A (en) | 1985-05-30 |
GB8426244D0 (en) | 1984-11-21 |
NL190296B (nl) | 1993-08-02 |
GB2148149B (en) | 1988-03-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 20010501 |