DE69015269D1 - Magnetischer Aufzeichnungsträger. - Google Patents
Magnetischer Aufzeichnungsträger.Info
- Publication number
- DE69015269D1 DE69015269D1 DE69015269T DE69015269T DE69015269D1 DE 69015269 D1 DE69015269 D1 DE 69015269D1 DE 69015269 T DE69015269 T DE 69015269T DE 69015269 T DE69015269 T DE 69015269T DE 69015269 D1 DE69015269 D1 DE 69015269D1
- Authority
- DE
- Germany
- Prior art keywords
- record carrier
- magnetic record
- magnetic
- carrier
- record
- 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 - Lifetime
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
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/708—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer
- G11B5/7085—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by addition of non-magnetic particles to the layer non-magnetic abrasive 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
- 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
- Y10T428/25—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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15608189 | 1989-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69015269D1 true DE69015269D1 (de) | 1995-02-02 |
DE69015269T2 DE69015269T2 (de) | 1995-05-11 |
Family
ID=15619883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69015269T Expired - Lifetime DE69015269T2 (de) | 1989-06-19 | 1990-06-18 | Magnetischer Aufzeichnungsträger. |
Country Status (4)
Country | Link |
---|---|
US (1) | US5141807A (de) |
EP (1) | EP0408903B1 (de) |
JP (1) | JP2924094B2 (de) |
DE (1) | DE69015269T2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0492441B1 (de) * | 1990-12-20 | 1995-03-08 | Sumitomo Chemical Company, Limited | Magnetisches Aufzeichnungsmedium |
US20070202127A1 (en) * | 1993-06-07 | 2007-08-30 | Duke University | Nucleic acids encoding DP-178 and other viral fusion inhibitor peptides useful for treating aids |
US6037051A (en) * | 1997-03-31 | 2000-03-14 | Fuji Photo Film Co., Ltd. | Magnetic tape |
DE102011105342A1 (de) | 2011-06-21 | 2012-12-27 | Thyssenkrupp Aufzugswerke Gmbh | Verfahren zum Ermitteln des Trägheitsmoment-Faktors einer Motoranordnung einer Aufzugsanlage |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5613525A (en) * | 1979-07-16 | 1981-02-09 | Tdk Corp | Magnetic recording medium |
EP0105471B1 (de) * | 1982-09-30 | 1987-09-09 | Hitachi Maxell Ltd. | Magnetisches Aufnahmemedium |
JPS60246254A (ja) * | 1984-05-16 | 1985-12-05 | 大日本インキ化学工業株式会社 | 複合セラミツクス粉末の製造法 |
JPH0622055B2 (ja) * | 1984-08-02 | 1994-03-23 | 京セラ株式会社 | 磁気ディスクの製造方法 |
JPH0618074B2 (ja) * | 1984-10-25 | 1994-03-09 | 住友化学工業株式会社 | 磁気記録媒体 |
US4820581A (en) * | 1984-11-16 | 1989-04-11 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
JPS61214215A (ja) * | 1985-03-20 | 1986-09-24 | Hitachi Maxell Ltd | 磁気記録媒体 |
JPS621117A (ja) * | 1985-06-26 | 1987-01-07 | Hitachi Maxell Ltd | 磁気記録媒体 |
JPS6295730A (ja) * | 1985-10-18 | 1987-05-02 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
US4818608A (en) * | 1986-02-10 | 1989-04-04 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium |
JPS62250518A (ja) * | 1986-04-23 | 1987-10-31 | Tdk Corp | 磁気記録媒体 |
JPH0792907B2 (ja) * | 1986-05-09 | 1995-10-09 | 日立マクセル株式会社 | 磁気記録媒体 |
JPS62265166A (ja) * | 1986-05-10 | 1987-11-18 | 北興化学工業株式会社 | 高温強度が優れたアルミナ・シリカ系セラミックス焼結体の製造方法 |
JPS6374119A (ja) * | 1986-09-17 | 1988-04-04 | Tdk Corp | 磁気記録媒体 |
JP2527942B2 (ja) * | 1986-09-18 | 1996-08-28 | ティーディーケイ株式会社 | 磁気記録媒体 |
US4847156A (en) * | 1986-10-20 | 1989-07-11 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
JPH0673176B2 (ja) * | 1986-11-28 | 1994-09-14 | 富士写真フイルム株式会社 | 磁気記録媒体 |
US4917947A (en) * | 1986-11-28 | 1990-04-17 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
-
1990
- 1990-05-31 JP JP2143376A patent/JP2924094B2/ja not_active Expired - Fee Related
- 1990-06-18 DE DE69015269T patent/DE69015269T2/de not_active Expired - Lifetime
- 1990-06-18 EP EP90111447A patent/EP0408903B1/de not_active Expired - Lifetime
- 1990-06-18 US US07/539,687 patent/US5141807A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0408903A2 (de) | 1991-01-23 |
EP0408903B1 (de) | 1994-12-21 |
US5141807A (en) | 1992-08-25 |
DE69015269T2 (de) | 1995-05-11 |
JP2924094B2 (ja) | 1999-07-26 |
JPH0386918A (ja) | 1991-04-11 |
EP0408903A3 (en) | 1991-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: SUMITOMO CHEMICAL CO. LTD., TOKIO/TOKYO, JP |