Optical disc protected from humidity

Details Optical disc protected from humidity Optical disc protected from humidity

G - Physics

11

B

352/32.4

G11B 7/00 (2006.01) G11B 7/24 (2006.01) G11B 23/02 (2006.01) H04N 5/76 (2006.01)

Patent

CA 1193363

- 1 - ABSTRACT OF THE DISCLOSURE A protected optical disc intended for the recording of information is protected against the harmful consequences of humidity by the presence of a hydrophylous material situated at a particular distance from the recording surface, which thus retains a high sensitivity during the write or read operations. The invention may be applied especially to discs intended for digital recording.

424065

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