High density storage of information on a substrate with multiple depth and height
US5402410A · kind A · utility
22Cited by
11References
71Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1991 |
| Grant date | Mar 28, 1995 |
| Priority date | — |
| Expiry date | Dec 19, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/947
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A high density storage medium which stores predetermined information by matching it on one-to-one basis with multiple levels of depth or height formed in predetermined plural areas of substrate surface, a storing method, a reading method and various systems using them have been disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.