Appeal No. 1998-1478
Application No. 08/517,604
2. Magnetic head comprising:
a substrate;
a first subassembly comprising a lower magnetic layer
resting on said substrate, two magnetic pillars resting on the
magnetic layer, and a conductor winding surrounding said two
magnetic pillars;
a central, insulating ridge, mounted on said first
subassembly, having two sides inclined with respect to said
substrate and a flat apex parallel to said substrate;
two magnetic flux concentrators having narrow inner ends
bearing on said two inclined sides of the central, insulating
ridge, said inner ends having a face parallel to said
substrate and flush with the apex of the ridge, said magnetic
flux concentrators having further wide outer ends bearing on
said pillars; and
two pole pieces constituted by two straight bars having
lower and upper faces parallel to said substrate, said lower
face bearing on the flat apex of said ridge and on the face of
said inner ends of said two concentrators, said pole pieces
extending beyond said face of said inner ends of said two
concentrators and overhanging said concentrators.
The prior art of record relied upon by the examiner in
rejecting the appealed claim is:
Appellants' admitted prior art on page 1, line 10-page 3, line
5, of the specification and in Prior Art Figures 1-4. (APA)
Claim 2 stands rejected under 35 U.S.C. § 102(b) as being
anticipated by APA.
Reference is made to the Examiner's Answer and three
Supplemental Examiner's Answers for the examiner's complete
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