Appeal No. 2006-3351
Application No. 10/011,882
Invention
Appellants’ invention relates generally to an
insulation device intended to avoid the propagation of
electromagnetic radiation produced by an electric
element integrated with a low-resistivity substrate.
The device includes a plurality of isolation trenches
in the substrate which are substantially parallel to
each other running in one direction, containing a
resistive material, and other isolation trenches
running parallel with each other in another direction
perpendicular to the first direction. The latter
isolation trenches are indicated to be isolation
transverses. In the claimed embodiments, the isolation
transverses are both perpendicular to the set of
isolation trenches, and “arranged so that two
transverses included in two adjacent series are not in
each other’s line of extension.” In effect, the line
of each transverse is offset at each intersecting
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