Methods of preparing and applying subbing layers for optical...

Details Methods of preparing and applying subbing layers for optical... Methods of preparing and applying subbing layers for optical...

G - Physics

11

B

42/2, 352/32.4

G11B 7/26 (2006.01) G11B 7/257 (2006.01)

Patent

CA 1243402

- 24 - ABSTRACT OF THE DISCLOSURE METHODS OF PREPARING AND APPLYING SUBBING LAYERS FOR OPTICAL DATA DISKS This disclosure includes a description of how a relatively common magnetic recording (metal) disk may be smoothed and prepared for deposition of layers adapted for optical recording of digital data, useful in extended archival data storage; this being effected with certain "subbing" coatings, especially on an anodized aluminum disk surface -- prepared and applied according to special techniques.

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