Optical recording tape with continuous prerecorded tracks

Details Optical recording tape with continuous prerecorded tracks Optical recording tape with continuous prerecorded tracks

1986-04-23

1990-06-26

Psitos, Aristotelis M.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369279, 235487, 235494, 346 76L, G06K 112, G11B 7007

Patent

active

049378104

ABSTRACT:
An optical recording medium in tape form which may either be strips of tape or reels of tape, all having preformatted continuous servo tracks from one end to the other. Preformatted servo tracks are spaced-apart lines, so as to permit data spots to be written between or on the tracks. The tracks may extend either longitudinally, parallel to the lengthwise direction of the tape or in a perpendicular direction, extending in directions transverse to the length of the tape, or in a grid-like pattern. The tape web may be joined to a web of transparent protective material over the surface of the strip. A data card may be made using a strip of such tape without regard to registration of the tape with markings on the card. Tracks may be made by directly writing with a laser on direct-read-after-write laser recording material or by photolithography or by embossing.

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