Magnetic recording medium, magnetic head, and magnetic...

Details Magnetic recording medium, magnetic head, and magnetic... Magnetic recording medium, magnetic head, and magnetic...

2007-04-10

2007-04-10

Tzeng, Fred F. (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

Reexamination Certificate

active

11107926

ABSTRACT:
The magnetic recording and reproducing device has a magnetic recording medium, a recording head for writing magnetic data on the magnetic recording medium, and a reproducing head for reading magnetic data from the magnetic recording medium. In the magnetic recording medium, each track is formed by a convex portion with a predetermined track width, and a plurality of the tracks are arranged in parallel at intervals of a predetermined track gap. The relationship represented by the following formula (I) is satisfied:in-line-formulae description="In-line Formulae" end="lead"?{Tw+(2×Tg)}/1.2≧MWw  (I)in-line-formulae description="In-line Formulae" end="tail"?wherein Tw represents the track width, Tg represents the track gap, and MWw represents the magnetic write width of the recording head.

REFERENCES:
patent: 6872285 (2005-03-01), Furukawa et al.
patent: 2002/0127436 (2002-09-01), Shibamoto et al.
patent: A-05-012628 (1993-01-01), None
patent: A-07-129953 (1995-05-01), None
patent: A-2003-248902 (2003-09-01), None

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