Appeal No. 1996-3386
Application No. 08/136,123
Appellants' invention relates to a magnetic head with
alternating long and short projections and, between adjacent
projections, conductive segments forming a helical coil around
a
magnetic core. Claim 1 is illustrative of the claimed
invention, and it reads as follows:
1. A magnetic structure comprising a substrate having:
a plurality of ridge-like projections, each of said
projections having slant side surfaces, said plurality of
projections including a first subset of long projections
having a first length and a second subset of short projections
having a second length shorter than said first length, said
long and short projections being arranged in an alternating
fashion with nearest neighboring short projections being
separated from one another by a respective one of the long
projections, a short projection and an adjacent long
projection defining a groove-shape recess therebetween;
a first conductive passage comprising a plurality of
parallel and conductive passages formed on opposed slant side
surfaces of adjacent long and short projections;
a first insulating layer stacked on said first conductive
passage and said substrate;
a magnetic core made of magnetic material enclosed in
said recess;
a second insulating layer stacked on said magnetic core;
and
2
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