Appeal No. 2003-1573
Application No. 08/854,407
page 9, line 2), with no finding that these alloys were useful in
bias layers in an MR sensor. Matsushita only discloses these
nitrided alloys used as “a core material for a VTR head”
(translation, page 5, last paragraph). Accordingly, we determine
that the examiner has failed to show any specific motivation or
reasoning that one of ordinary skill in this art would have used
the nitrided Sendust alloy of Matsushita as a substitute for the
bias layer of Bonyhard.
For the foregoing reasons and those set forth in the Brief, we
determine that the examiner has not established a prima facie case
of obviousness in view of the reference evidence. Accordingly, we
cannot sustain the rejection on appeal.
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