EP0519768A2
Expired / Lapsed
EP
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High density information storage carrier and method of reading such a carrier
Assignee: Thales SA
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Filing: 1992-05-15
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Granted: —
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Expires: 2012-05-15
Abstract
Abstract The invention relates to an optical method of writing information using an optically strongly non-linear material (Ma) on which can be written information with dimensions several times less than the writing wavelength. The invention also relates to a method of reading information written on a material (Ma) deposited on a material (Mb) capable of being the site of a stimulated emission generating the reading of the written information. Applications: high-definition television, digital sound. <IMAGE>
Inventors
- 👤 Claude Puech
- 👤 Jean-Pierre Huignard
- 👤 Michel Papuchon
- 👤 Brigitte Loiseaux
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 19:02
CPC Classifications
G; G11; G11B; G11B7/00; G11B7/24; G11B7/241; G11B7/242; G11B7/244; G11B7/245; G11B11/00; G11B11/10; G11B11/105; G11B11/10502; G11B11/10504; G11B11/10506; G11B11/10515; G11B11/10582; G11B11/10586; G11B7/004; G11B7/0045; G11B7/00455; G11B7/005; G11B7/243; G11B7/252; G11B2007/24302; G11B2007/2431; G11B2007/24314
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