Appeal No. 1999-2839
Application 08/824,716
insulating layers formed between the first 1 and second 2
magnetic
metal layers wherein the second insulating layer 8 surrounds the
first insulating layer 3, illustrated above by Appellants’
Figure 2.
In comparison, we find that Gallagher’s Figure 4D discloses
an insulating tunnel barrier layer 20' and a surrounding
insulating layer 40'. However, we do not find that Gallagher’s
10
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