Flexible optical disk
US7407698B2 · kind B2 · utility
4Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 22, 2004 |
| Grant date | Aug 5, 2008 |
| Priority date | — |
| Expiry date | Nov 11, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/2535
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A flexible optical disk, includes a disk substrate, wherein a rigidity of the disk is equal to or more than 5 Pa and equal to or less than 5000 Pa where the rigidity is defined as Young's modulus of the disk×(thickness of the disk/radius of the disk)3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.