High density data track layout for storage media

Details High density data track layout for storage media High density data track layout for storage media

1989-07-18

1991-09-10

Levy, Stuart S.

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Records

Laminated

235487, 235494, 3692753, G06K 710, G11B 7007

Patent

active

050476190

ABSTRACT:
A data storage medium having a pattern representing data bits arranged in a plurality of interlocked triangularly shaped tracks. The medium may be a prerecorded optical storage material having a set of optically contrasting marks arranged in the tracks. The track width increases from a start point to an end point at a constant rate that depends on the maximum allowable angle of skew. The medium, which can be prerecorded with the pattern using exposure to actinic radiation through a like-patterned master, can have either a card, tape or drum format.

REFERENCES:
patent: 3643068 (1972-02-01), Mohan et al.
patent: 3654435 (1972-04-01), Vaccaro
patent: 3959631 (1976-05-01), Otten
patent: 4588882 (1986-05-01), Buxton
patent: 4634850 (1987-01-01), Pierce et al.
patent: 4754128 (1988-06-01), Takeda et al.

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