Optical memory device having guide tracks shaped for increasing

Details Optical memory device having guide tracks shaped for increasing Optical memory device having guide tracks shaped for increasing

1992-11-18

1994-08-23

Nguyen, Hoa T.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

3692752, 369 13, G11B 724, G11B 1304

Patent

active

053413628

ABSTRACT:
An optical memory device comprising a substrate and guide tracks having a depth of .lambda./8n or less formed on said substrate, wherein .lambda. is the wavelength of laser light used for the optical memory device, and n is the refraction index of the guide track portion of the substrate.

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