Magnetic head and magnetic recording and reproducing system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 21, 2003
Grant Date -
Sep 20, 2001
app pub date -
Mar 9, 2001
filing date -
Mar 14, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic head for vertical magnetic. The magnetic head includes: a recording head including a first main pole and a first return yoke, the first main pole having a first medium facing portion, the first return yoke having a second medium facing portion, and a reproducing head including a second main pole and a second return yoke, the second main pole having a third medium facing portion, the second return yoke having a fourth medium facing portion, first angle .theta.1 between first and second straight lines being smaller than second angle .theta.2 between the first straight line and third straight line, the first straight line connecting centers of medium facing surfaces the first medium facing portion and the second medium facing portion, the second straight line connecting opposing corners of medium facing surfaces of the first medium facing portion and the second medium facing portion, and the third straight line connecting centers of medium facing surfaces of the third medium facing portion and the fourth medium facing portion.
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