Etching a substrate: processes – Forming or treating article containing magnetically...
Reexamination Certificate
2006-09-19
2006-09-19
Ahmed, Shamim (Department: 1765)
Etching a substrate: processes
Forming or treating article containing magnetically...
C216S041000, C029S603130, C029S603150, C360S313000
Reexamination Certificate
active
07108796
ABSTRACT:
A method for fabrication of magnetic write heads for disk drives in which a P1layer is formed having a P1Protrusion, the P1Protrusion having a longitudinal reference axis. A gap layer is deposited on the P1Protrusion and a layer of fill material is deposited on the gap layer. The fill material layer is shaped to form a mold which surrounds a hollow which is aligned with the longitudinal axis of the P1Protrusion. This hollow in the fill material layer is filled with P2pole material to form a P2pole which is then automatically substantially aligned with the longitudinal axis of the P1Protrusion.
REFERENCES:
patent: 5843521 (1998-12-01), Ju et al.
patent: 6329211 (2001-12-01), Terunuma et al.
patent: 6859998 (2005-03-01), Kruger et al.
Bergevin Christopher W.
Jarratt James D.
Lo Jyh-Shuey (Jerry)
Zhang Sue Siyang
Ahmed Shamim
Guernsey Larry B.
Hitachi Global Storage Technologies - Netherlands B.V.
Intellectual Property Law Offices
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