Method to make PMR head with integrated side shield (ISS)

Details Method to make PMR head with integrated side shield (ISS) Method to make PMR head with integrated side shield (ISS)

2008-02-25

2011-11-15

Kim, Paul D (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603110, C029S603130, C029S603140, C029S603150, C029S603180, C216S062000, C216S065000, C216S066000, C360S121000, C360S122000, C360S317000, C451S005000, C451S041000

Reexamination Certificate

active

08056213

ABSTRACT:
A PMR head comprises a substrate, a magnetic pole formed over the substrate, the pole having a pole tip having a cross-sectional tapered shape wherein the pole tip is surrounded by a write gap layer, an integrated shield comprising side shields on the substrate laterally surrounding the pole tip and a trailing shield overlying the pole tip and integral with the side shields.

REFERENCES:
patent: 7002775 (2006-02-01), Hsu et al.
patent: 7068453 (2006-06-01), Terris et al.
patent: 7070698 (2006-07-01), Le
patent: 7253991 (2007-08-01), Fontana, Jr. et al.
patent: 2006/0044682 (2006-03-01), Le et al.
patent: 2007/0177301 (2007-08-01), Han et al.
patent: 2007/0186408 (2007-08-01), Nix et al.
patent: 2007/0195457 (2007-08-01), Matono et al.
patent: 2007/0253107 (2007-11-01), Mochizuki et al.
patent: 2008/0112081 (2008-05-01), Matono
Co-pending US Patent HT07-016, U.S. Appl. No. 11/906,717, filed Oct. 3, 2007, “Perpendicular Magnetic Recording Write Head with a Side Shield,” assigned to the same assignee as the present invention.

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