Disk drive head having a read wide/write narrow architecture

Details Disk drive head having a read wide/write narrow architecture Disk drive head having a read wide/write narrow architecture

1997-10-21

1999-08-17

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 548

Patent

active

059402504

ABSTRACT:
A dual element head is provided that includes a read element and a separate write element, wherein the read width of the read element is greater than the write width of the write element. The head also includes an erase notch for creating an erase strip along the edge of data written by the write element during a write operation. The width of the erase strip is optimized so that undesired data on the track, that could otherwise be read by the wider read element during a subsequent read operation, is removed during the write operation.

REFERENCES:
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patent: 4613920 (1986-09-01), Higuchi et al.
patent: 4691260 (1987-09-01), Hosaka et al.
patent: 4992901 (1991-02-01), Keel et al.
patent: 5229901 (1993-07-01), Mallary
patent: 5438747 (1995-08-01), Krounbi et al.
"Disk Drive Technology" distributed by KnowledgeTek at training seminar in Longmont, Colorado, Dec. 14-16, 1998, pp. 5-19.

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