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MAGNETIC RECORDING MEDIUM COMPRISING AMIXED MAGNETIC REGION HAVING ATHICKNESS RELATIVE TO THE TOTAL THICKNESS OF MAGNETIC LAYERS BACKGROUND OF THE INVENTION 1. Field of the Invention
| Content Provider | Semantic Scholar |
|---|---|
| Copyright Year | 2017 |
| Abstract | A magnetic recording medium having a lower magnetic layer 3 and an upper magnetic layer 4 is disclosed, wherein the lower magnetic layer 3 contains tabular magnetic par ticles and acicular nonmagnetic inorganic particles and has a thickness of 0.5 to 2.5 lum, the tabular magnetic particles being oriented with their plane having the longest diameter tilted at an angle of 70 to 90 in average with the plane of the magnetic recording medium, the upper magnetic layer 4 contains acicular magnetic particles and has a thickness of not greater than 0.3 um, and a mixed magnetic region 6 which comprises tabular magnetic particles and acicular magnetic particles, mixed together, and formed between the upper and lower magnetic layers, a thickness m of the mixed magnetic region 6 being 1 to 20% of the total thickness T of all the magnetic layers. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | https://patentimages.storage.googleapis.com/45/ef/10/2d19ed7fdd4bf7/US6063489.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
