Apparatus for trimming dye coated on a recordable disc substrate and related method
US6191384A · kind A · utility
4Cited by
50References
67Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 5, 1998 |
| Grant date | Feb 20, 2001 |
| Priority date | — |
| Expiry date | May 5, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus and method for trimming dye coated on a recordable disc substrate during production of an optical memory disc which includes a substrate rotation assembly for rotating the disc substrate, an optic assembly for directing a laser beam directly upon the rotatable substrate to trim the dye coated thereon, and a process byproduct removing assembly for removing the trimmed byproducts from the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.