Perpendicular magnetic recording head having coil portions...

Details Perpendicular magnetic recording head having coil portions... Perpendicular magnetic recording head having coil portions...

2007-12-06

2011-10-11

Evans, Jefferson (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Coil

C360S123050, C360S123080, C360S317000, C029S603130

Reexamination Certificate

active

08035920

ABSTRACT:
A perpendicular magnetic recording head and a method of manufacturing the same are provided. The perpendicular magnetic recording head that includes a main pole, a return yoke, and coils that surround upper and lower parts of the main pole in a solenoid shape so that the main pole generates a magnetic field for recording information onto a recording medium, wherein a portion of the coils that pass above the main pole comprises a plurality of first coils and at least one second coil having a cross-sectional shape different from that of the first coils, and the second coil is formed across upper regions of two first coils adjacent to each other among the first coils.

REFERENCES:
patent: 4639811 (1987-01-01), Diepers et al.
patent: 5255141 (1993-10-01), Valstyn et al.
patent: 6639754 (2003-10-01), Taguchi et al.
patent: 6751054 (2004-06-01), Sato et al.
patent: RE38594 (2004-09-01), Murata et al.
patent: 7174621 (2007-02-01), Sato et al.
patent: 7443632 (2008-10-01), Stoev et al.
patent: 7495864 (2009-02-01), Kobayashi
patent: 7768744 (2010-08-01), Hsiao et al.
patent: 2007/0121249 (2007-05-01), Parker
patent: 11-328617 (1999-11-01), None
patent: 10-2006-0100831 (2006-09-01), None

Affiliated with

Also associated with

Rating

Perpendicular magnetic recording head having coil portions... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Perpendicular magnetic recording head having coil portions..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Perpendicular magnetic recording head having coil portions... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4280651