Dynamic magnetic information storage or retrieval – Head – Core
Reexamination Certificate
2008-02-29
2011-11-29
Blouin, Mark (Department: 2627)
Dynamic magnetic information storage or retrieval
Head
Core
Reexamination Certificate
active
08068311
ABSTRACT:
A magnetic write head having a magnetic return pole that is configured to prevent wide area track erasure. The magnetic return pole has a throat region with a relatively narrow width and has a inner and outer wing portions formed near the air bearing surface. The inner wing portion has a front edge that is disposed at the air bearing surface, whereas the outer wing portion has a front edge that is recessed from the air bearing surface.
REFERENCES:
patent: 6122144 (2000-09-01), Chang et al.
patent: 6278591 (2001-08-01), Chang et al.
patent: 6646828 (2003-11-01), Sasaki
patent: 7149055 (2006-12-01), Clinton et al.
patent: 7508628 (2009-03-01), Che et al.
patent: 7649711 (2010-01-01), Ho et al.
patent: 7835111 (2010-11-01), Flint et al.
patent: 7889458 (2011-02-01), Hsiao et al.
patent: 2007/0097546 (2007-05-01), Li et al.
patent: 2007/0211380 (2007-09-01), Akimoto et al.
patent: 1766998 (2006-05-01), None
patent: 1783216 (2006-06-01), None
Hsiao Wen-Chien (David)
Lam Quan-chiu Harry
Luo Yansheng
Blouin Mark
Hitachi Global Storage Technologies - Netherlands B.V.
Zilka-Kotab, PC
LandOfFree
Perpendicular magnetic write head having a novel trailing... 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 write head having a novel trailing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Perpendicular magnetic write head having a novel trailing... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4287581