Manufacturing method of a flexible optical disk
US7767117B2 · kind B2 · utility
0Cited by
5References
2Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 7, 2007 |
| Grant date | Aug 3, 2010 |
| Priority date | — |
| Expiry date | Apr 15, 2028 |
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.