Etching a substrate: processes – Forming or treating article containing magnetically...
Reexamination Certificate
2006-03-07
2006-03-07
Hassanzadeh, Parviz (Department: 1763)
Etching a substrate: processes
Forming or treating article containing magnetically...
C029S603010, C029S603070
Reexamination Certificate
active
07008550
ABSTRACT:
A method for forming a read transducer by ion milling and chemical mechanical polishing to eliminate nonuniformity near the MR sensor is disclosed. The resist mask is eliminated in the read transducer formation process so that the thickness of the layers near the read transducer has a uniform thickness.
REFERENCES:
patent: 6315875 (2001-11-01), Sasaki
patent: 2002/0089794 (2002-07-01), Chang et al.
patent: 2004/0027730 (2004-02-01), Lille
patent: 2005/0067374 (2005-03-01), Baer et al.
Li Jui-Lung
Lo Jyh-Shuey
Chambliss Bahner & Stophel P.C.
Culbert Roberts
Hassanzadeh Parviz
Hitachi Global Storage Technologies - Netherlands B.V.
Lynch David W.
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