Magnetic head apparatus having projections extending from at lea

Details Magnetic head apparatus having projections extending from at lea Magnetic head apparatus having projections extending from at lea

1987-12-02

1990-01-16

Hecker, Stuart N.

Dynamic magnetic information storage or retrieval

Head

Head accessory

360129, 36013031, G11B 1560, G11B 5105

Patent

active

048947377

ABSTRACT:
This invention proposes to form a pair of protruding or projecting stripe portions along the tape-gliding face of magnetic tape and to reduce the pad pressure to magnetic tape thereby reducing the gliding resistance of magnetic tape without increasing its spacing loss (first embodiment), to incline the plane of the projecting stripe portions in a decreasing direction in the vicinity of the tape-gliding face in order to stabilize the pad contact (second embodiment), to form grooves on the tape-gliding face of the magnetic core in the transversal edge portions at least in the tape entrance side thereby facilitating prevention of tape squeaking (third embodiment), to increase the height of one of the projecting stripe portions in the vicinity of head mounting position compared to that of the other stripe portion thereby preventing one-sided abrasion of the tape-gliding face (fourth embodiment), and to form tape guide members on the magnetic head for guiding the magnetic tape closer to one of the projecting stripe portion at the head mounting position and separate from the other thereby preventing one-sided abrasion of the tape-gliding face (fifth embodiment).

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