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

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...

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Main Authors Han, Cherng-Chyi, Guan, Lijie, Smyth, Joe, Dovek, Moris
Format Patent
LanguageEnglish
Published 15.11.2011
Online AccessGet full text

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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.
AbstractList 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.
Author Guan, Lijie
Dovek, Moris
Smyth, Joe
Han, Cherng-Chyi
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References Fontana, Jr. et al. (7253991) 20070800
Han et al. (2007/0177301) 20070800
Nix et al. (2007/0186408) 20070800
Le et al. (2006/0044682) 20060300
Hsu et al. (7002775) 20060200
Matono (2008/0112081) 20080500
Le (7070698) 20060700
Matono et al. (2007/0195457) 20070800
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.
Terris et al. (7068453) 20060600
Mochizuki et al. (2007/0253107) 20071100
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Title Method to make PMR head with integrated side shield (ISS)
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