JPS6221185B2 - - Google Patents
Info
- Publication number
- JPS6221185B2 JPS6221185B2 JP57125154A JP12515482A JPS6221185B2 JP S6221185 B2 JPS6221185 B2 JP S6221185B2 JP 57125154 A JP57125154 A JP 57125154A JP 12515482 A JP12515482 A JP 12515482A JP S6221185 B2 JPS6221185 B2 JP S6221185B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- weight
- tio
- video
- parts
- 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
Links
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 27
- 238000002834 transmittance Methods 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 11
- 229910052799 carbon Inorganic materials 0.000 description 11
- 239000002245 particle Substances 0.000 description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000006247 magnetic powder Substances 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 229920002554 vinyl polymer Polymers 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- JLPULHDHAOZNQI-ZTIMHPMXSA-N 1-hexadecanoyl-2-(9Z,12Z-octadecadienoyl)-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCCCCCC\C=C/C\C=C/CCCCC JLPULHDHAOZNQI-ZTIMHPMXSA-N 0.000 description 2
- WDQOEAOLRIMQDA-UHFFFAOYSA-N 3-methylbutyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCC(C)C WDQOEAOLRIMQDA-UHFFFAOYSA-N 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- 229910010252 TiO3 Inorganic materials 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium dioxide Chemical compound O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 239000006249 magnetic particle Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229920001228 polyisocyanate Polymers 0.000 description 2
- 239000005056 polyisocyanate Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920003225 polyurethane elastomer Polymers 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- 229910002440 Co–Ni Inorganic materials 0.000 description 1
- 229910004541 SiN Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 229940083466 soybean lecithin Drugs 0.000 description 1
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
-
- 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
-
- 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
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57125154A JPS5916139A (ja) | 1982-07-20 | 1982-07-20 | 磁気記録媒体 |
| US06/514,795 US4547425A (en) | 1982-07-20 | 1983-07-18 | Magnetic recording media |
| DE3325972A DE3325972C2 (de) | 1982-07-20 | 1983-07-19 | Magnetaufzeichnungsmaterial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57125154A JPS5916139A (ja) | 1982-07-20 | 1982-07-20 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5916139A JPS5916139A (ja) | 1984-01-27 |
| JPS6221185B2 true JPS6221185B2 (enExample) | 1987-05-11 |
Family
ID=14903204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57125154A Granted JPS5916139A (ja) | 1982-07-20 | 1982-07-20 | 磁気記録媒体 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4547425A (enExample) |
| JP (1) | JPS5916139A (enExample) |
| DE (1) | DE3325972C2 (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60124025A (ja) * | 1983-12-06 | 1985-07-02 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS60173719A (ja) * | 1984-02-17 | 1985-09-07 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPH0654532B2 (ja) * | 1984-07-12 | 1994-07-20 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| JPS61124038A (ja) * | 1984-11-20 | 1986-06-11 | Toshiba Corp | 電磁偏向型ブラウン管用偏向ヨ−ク及びその製造方法 |
| KR900002991B1 (en) * | 1985-05-29 | 1990-05-04 | Victor Company Of Japan | Magnetic recording carrier |
| JPS6222237A (ja) * | 1985-07-22 | 1987-01-30 | Victor Co Of Japan Ltd | 磁気記録媒体 |
| US5547599A (en) * | 1989-03-17 | 1996-08-20 | Raytheon Company | Ferrite/epoxy film |
| JPH03102617A (ja) * | 1989-09-16 | 1991-04-30 | Hitachi Maxell Ltd | 磁気記録テープ |
| US5811179A (en) * | 1993-04-06 | 1998-09-22 | Matsushita Electric Industrial Co., Ltd. | Magnetic recording medium |
| JPH1173640A (ja) * | 1997-08-28 | 1999-03-16 | Sony Corp | 磁気記録媒体 |
| US6346565B1 (en) * | 1999-07-02 | 2002-02-12 | Bridgestone Corporation | Synthetic resin composition for resin magnet, molded resin magnet, and production process for synthetic resin composition |
| US7227717B1 (en) * | 2001-06-18 | 2007-06-05 | Seagate Technology Llc | Asymmetric disk surface properties in one head disk drives |
| FR2921510B1 (fr) | 2007-09-20 | 2010-03-12 | Electricite De France | Procede de remplissage en eau et de vidange en air du circuit primaire principal d'une tranche nucleaire, couvercle et bride pour la mise en oeuvre de ce procede |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3751345A (en) * | 1969-03-10 | 1973-08-07 | Sperry Rand Corp | Method of producing a magnetic storage medium |
| JPS54143608A (en) * | 1978-04-29 | 1979-11-09 | Victor Co Of Japan Ltd | Magnetic recording medium |
| JPS583292B2 (ja) * | 1978-10-12 | 1983-01-20 | ティーディーケイ株式会社 | 磁気記録媒体用磁性塗料の製造法 |
| JPS5584045A (en) * | 1978-12-19 | 1980-06-24 | Nec Corp | Magnetic memory substance and its manufacture |
| JPS56156934A (en) * | 1980-05-08 | 1981-12-03 | Yoshiro Nakamatsu | Uneven orientation recording medium |
| JPS576439A (en) * | 1980-06-13 | 1982-01-13 | Tdk Corp | Magnetic recording medium |
| JPS5724027A (en) * | 1980-07-16 | 1982-02-08 | Tdk Corp | Magnetic recording medium |
-
1982
- 1982-07-20 JP JP57125154A patent/JPS5916139A/ja active Granted
-
1983
- 1983-07-18 US US06/514,795 patent/US4547425A/en not_active Expired - Fee Related
- 1983-07-19 DE DE3325972A patent/DE3325972C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3325972A1 (de) | 1984-02-02 |
| JPS5916139A (ja) | 1984-01-27 |
| DE3325972C2 (de) | 1986-01-23 |
| US4547425A (en) | 1985-10-15 |
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