Film for producing a sheet for a multilayer optical recording medium
US8632871B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2013 |
| Grant date | Jan 21, 2014 |
| Priority date | — |
| Expiry date | Mar 5, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24364
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A film for producing a sheet for a multilayer optical recording medium, the sheet having a repeating structure containing a plurality of laminated optical recording layers, the sheet has a structure including a unit wherein an optical recording layer and an adhesive layer are laminated or a structure including a unit wherein an optical recording layer, a barrier layer and an adhesive layer are laminated, and a maximum height roughness of the optical recording layer or the barrier layer is 500 nm or smaller, the optical recording layer or the barrier layer is disposed on a process film on a face at a side for forming the optical recording layer or at a side for forming the barrier layer, the face at the side for forming the optical recording layer or at the side for forming the barrier layer having a maximum height roughness of 500 nm or smaller.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.