Appeal No. 97-2422
Application 07/939,720
embodiment is used both as an insulating film, as well as a
passivation film for protective purposes. As to the second
embodiment in Figure 23, the discussion at page 16 of the
specification as filed indicates that a form of silicon oxide
called PSG and silicon nitride are both used as protective or
passivation films.
Therefore, in view of the appellant's own assessment of the
prior art as well as the teachings of Misawa and the state of the
art generally, the examiner's view is well taken as best
expressed at page 9 of the answer that in Misawa's Figure 3B the
layer 95 over the display transistors and in Figure 3A the layer
84 over the drive circuit transistors inherently function as the
claimed passivation layers with respect to at a minimum the
independent claims 1, 27 and 36 on appeal. Figure 3A relates to
the drive circuit structures of the LCD display and Figure 3B
relates to the display elements per se. The discussion as to
these figures at columns 6 and 7 indicates that silicon dioxide
and silicon nitride comprise insulating layers 78, 79, 82 and 84,
as specifically noted at column 6, lines 45 and 46. The overall
discussion in these two columns and the showings in Figures 3A
and 3B indicate that layers 78 and 79 of Figure 3A are the same
layer deposited as layer 90 in Figure 3B. Similarly, in Figure
5
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