JPS6222175B2 - - Google Patents
Info
- Publication number
- JPS6222175B2 JPS6222175B2 JP57137333A JP13733382A JPS6222175B2 JP S6222175 B2 JPS6222175 B2 JP S6222175B2 JP 57137333 A JP57137333 A JP 57137333A JP 13733382 A JP13733382 A JP 13733382A JP S6222175 B2 JPS6222175 B2 JP S6222175B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- powder
- tio
- wear
- still
- 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
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 22
- 239000006247 magnetic powder Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 description 20
- 238000002834 transmittance Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 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
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57137333A JPS5928231A (ja) | 1982-08-09 | 1982-08-09 | 磁気記録媒体 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57137333A JPS5928231A (ja) | 1982-08-09 | 1982-08-09 | 磁気記録媒体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5928231A JPS5928231A (ja) | 1984-02-14 |
| JPS6222175B2 true JPS6222175B2 (enrdf_load_stackoverflow) | 1987-05-16 |
Family
ID=15196204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57137333A Granted JPS5928231A (ja) | 1982-08-09 | 1982-08-09 | 磁気記録媒体 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5928231A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0752484B2 (ja) * | 1990-11-26 | 1995-06-05 | 株式会社日立製作所 | 磁気ディスク装置 |
-
1982
- 1982-08-09 JP JP57137333A patent/JPS5928231A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5928231A (ja) | 1984-02-14 |
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