Method for manufacturing a bonded optical disc
US6818386B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Aug 20, 2002 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Feb 7, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1002
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A method for manufacturing a bonded optical disc includes the steps of coating a solution on a substrate, heating the coated solution and the substrate to thereby form a recording layer on the substrate, and adhering a dummy substrate to the recording layer, wherein the dummy substrate is also heated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.