Magnetic disk jacket
US5146381A · kind A · utility
1Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1991 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Mar 27, 2011 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B23/505
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a magnetic disk jacket including a liner partly welded to the inner surface of a case and adapted to clean the surface of a magnetic disk, the liner contains 0.001 to 0.05g of a polydimethylsiloxane derivative having a viscosity of from 50 to 3000 cSt at 25.degree. C. and having a polyether group or both polyether group and epoxy group in a molecule per 1 g of the liner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.