Composite magnetic recording disk
USRE32193E · kind E · reissue
1Cited by
4References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1985 |
| Grant date | Jun 24, 1986 |
| Priority date | — |
| Expiry date | Mar 18, 2005 |
Classification
- Technology area (CPC —)General
Abstract
A composite structure for magnetic recording includes a core member of polymeric material to which is bonded at least one silicon disk having a magnetic recording material on its outer surface. The silicon disk surface provides optimal flatness and smoothness characteristics for a magnetic recording substrate, while the polymeric core member provides strength to the structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.