JPH0568007B2 - - Google Patents
Info
- Publication number
- JPH0568007B2 JPH0568007B2 JP58139960A JP13996083A JPH0568007B2 JP H0568007 B2 JPH0568007 B2 JP H0568007B2 JP 58139960 A JP58139960 A JP 58139960A JP 13996083 A JP13996083 A JP 13996083A JP H0568007 B2 JPH0568007 B2 JP H0568007B2
- Authority
- JP
- Japan
- Prior art keywords
- inorganic pigment
- powder
- magnetic
- recording medium
- magnetic recording
- 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
- 239000001023 inorganic pigment Substances 0.000 claims description 49
- 239000002245 particle Substances 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 18
- 239000006247 magnetic powder Substances 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- 239000006229 carbon black Substances 0.000 claims description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 description 17
- 239000000049 pigment Substances 0.000 description 8
- 230000003746 surface roughness Effects 0.000 description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920005749 polyurethane resin Polymers 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- TWJNQYPJQDRXPH-UHFFFAOYSA-N 2-cyanobenzohydrazide Chemical compound NNC(=O)C1=CC=CC=C1C#N TWJNQYPJQDRXPH-UHFFFAOYSA-N 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 235000021360 Myristic acid Nutrition 0.000 description 2
- TUNFSRHWOTWDNC-UHFFFAOYSA-N Myristic acid Natural products CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 2
- ULBTUVJTXULMLP-UHFFFAOYSA-N butyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCCC ULBTUVJTXULMLP-UHFFFAOYSA-N 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 206010034960 Photophobia Diseases 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- -1 fatty acid ester Chemical class 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 208000013469 light sensitivity Diseases 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 235000004416 zinc carbonate Nutrition 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
- 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
Landscapes
- Lubricants (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13996083A JPS6032122A (ja) | 1983-07-30 | 1983-07-30 | 磁気記録媒体 |
| EP19860100267 EP0192032B1 (en) | 1982-09-30 | 1983-09-28 | Magnetic recording medium |
| EP19830109714 EP0105471B1 (en) | 1982-09-30 | 1983-09-28 | Magnetic recording medium |
| DE8686100267T DE3378735D1 (en) | 1982-09-30 | 1983-09-28 | Magnetic recording medium |
| DE8383109714T DE3373584D1 (en) | 1982-09-30 | 1983-09-28 | Magnetic recording medium |
| KR1019830004616A KR910004010B1 (ko) | 1982-09-30 | 1983-09-29 | 자기기록매체 |
| US07/013,286 US4871606A (en) | 1982-09-30 | 1987-02-11 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13996083A JPS6032122A (ja) | 1983-07-30 | 1983-07-30 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6032122A JPS6032122A (ja) | 1985-02-19 |
| JPH0568007B2 true JPH0568007B2 (US07655688-20100202-C00086.png) | 1993-09-28 |
Family
ID=15257673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13996083A Granted JPS6032122A (ja) | 1982-09-30 | 1983-07-30 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6032122A (US07655688-20100202-C00086.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618078B2 (ja) * | 1985-07-22 | 1994-03-09 | コニカ株式会社 | 磁気記録媒体 |
| DE3614148A1 (de) * | 1986-04-26 | 1987-10-29 | Basf Ag | Magnetische aufzeichnungstraeger |
| US5532042A (en) * | 1989-04-05 | 1996-07-02 | Hitachi Maxell, Ltd. | Magnetic recording medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917203A (US07655688-20100202-C00086.png) * | 1972-06-02 | 1974-02-15 | ||
| JPS503927A (US07655688-20100202-C00086.png) * | 1973-05-17 | 1975-01-16 | ||
| JPS50114205A (US07655688-20100202-C00086.png) * | 1974-02-15 | 1975-09-08 | ||
| JPS5753825A (en) * | 1980-08-18 | 1982-03-31 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS57130234A (en) * | 1981-02-02 | 1982-08-12 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS57152539A (en) * | 1981-03-18 | 1982-09-20 | Hitachi Maxell Ltd | Magnetic recording medium |
| JPS57200938A (en) * | 1981-06-05 | 1982-12-09 | Tdk Corp | Magnetic recording medium |
| JPS57208635A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
-
1983
- 1983-07-30 JP JP13996083A patent/JPS6032122A/ja active Granted
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917203A (US07655688-20100202-C00086.png) * | 1972-06-02 | 1974-02-15 | ||
| JPS503927A (US07655688-20100202-C00086.png) * | 1973-05-17 | 1975-01-16 | ||
| JPS50114205A (US07655688-20100202-C00086.png) * | 1974-02-15 | 1975-09-08 | ||
| JPS5753825A (en) * | 1980-08-18 | 1982-03-31 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS57130234A (en) * | 1981-02-02 | 1982-08-12 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS57152539A (en) * | 1981-03-18 | 1982-09-20 | Hitachi Maxell Ltd | Magnetic recording medium |
| JPS57200938A (en) * | 1981-06-05 | 1982-12-09 | Tdk Corp | Magnetic recording medium |
| JPS57208635A (en) * | 1981-06-19 | 1982-12-21 | Tdk Corp | Magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6032122A (ja) | 1985-02-19 |
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