Optical recording medium substrate sheet producing apparatus having roll stamper with elastomer layer of predetermined hardness
US5480596A · kind A · utility
30Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1994 |
| Grant date | Jan 2, 1996 |
| Priority date | — |
| Expiry date | Nov 21, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/81
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for producing an optical recording medium or an optical recording medium substrate sheet forms an photo-curable resin layer on at least one of a substrate sheet and a stamper which undergoes elastic deformation. The stamper bears a pattern corresponding with preformatting information and is brought into close contact with the substrate sheet wherein the photo-curable resin layer is interposed between them and cured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.