Information recording medium and method for producing the same
US6454915B1 · kind B1 · utility
5Cited by
23References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Oct 23, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24355
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a method of producing an information recording medium, any recording film is not substantially formed on the slope portions of a substrate in which slope portions having surfaces non-parallel to the surface of the information track of an information recording medium are provided on the opposite sides of the information track. A recording film of a predetermined film thickness is formed on the information track.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.