Appeal No. 2006-3351
Application No. 10/011,882
trench to produce a pattern similar to that of a brick
wall.
Appellants’ Figure 1 is reproduced below:
Appellants’ Figure 1 is said to depict a substrate with
isolation trenches in brick wall pattern.
Claim 1 is representative of the claimed invention
and is reproduced as follows:
1. An insulation device for avoiding the
propagation of electromagnetic
radiation produced by at least one electric element
integrated with a low-resistivity substrate, said
insulation device including a plurality of
isolation trenches which stretch out in the
substrate and are substantially parallel to each
other, said trenches containing a resistive
material which has a higher resistivity than the
resistivity of the substrate, characterized in that
it includes a plurality of series of isolation
transverses which have a depth that is close to
that of said isolation trenches, and which contain
a resistive material that has a higher resistivity
than the resistivity of the substrate, each series
being realized transversely between two adjacent
3
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