Appeal No. 1998-1548 Page 8
Application No. 08/660,304
not be created, because the APA teaches (Figure 4 and pages 5
and 6) that the access opening for fuse 34 and the deeply
recessed regions 32 of the alignment site are etched at the
same time. We find that the APA, Oka, and Tominaga would not
have suggested this modification because the purpose of the
alignment mark is for aligning the laser trimming tool.
Without an access opening for the fuse to be severed by the
laser trimming tool, we find no suggestion for the
modification, other than from appellants' disclosure.
Moreover, from the teachings of the APA, Tominaga, and
Oka, we find no suggestion to form alignment mark 36 of Figure
3 of the APA in a recess or groove, not etch the deeply
recessed region 32, form a deep recess for access to the fuse
40 by the laser trimming tool, and make a patterned opening in
the passivation layer 22 and TiN layer 20 of the APA to form
an opening in the alignment mark 36 that forms a patterned
opening within the insulative layer and extends through the
ARC layer and terminates in the base pad.
Our reviewing court has stated that "[i]t is
impermissible to use the claimed invention as an instruction
manual or 'template' to piece together the teachings of the
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Next
Last modified: November 3, 2007