Protected optical disc comprising a flexible closure element

Details Protected optical disc comprising a flexible closure element Protected optical disc comprising a flexible closure element

G - Physics

11

B

352/32.4

G11B 7/00 (2006.01) G11B 7/24 (2006.01) G11B 23/02 (2006.01)

Patent

CA 1193364

- 1 - ABSTRACT OF THE DISCLOSURE A protected optical disc intended for recording information and in particular for digital recording, comprises a rigid element carrying the recording surface, and a flexible element permeable to an optical playback radiation, one of these two elements having the shape of a dish. At least one of the elements is provided with a central hole for receiving a driving spindle and the joining line or lines between the two elements are concentric with the central hole.

424066

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