Need Help with Dracula

T

Thuong

Guest
Hi All,

I have a problem that is puzzling to me. I was wondering if any of
you could help explain it to me. I have two vertically parallel metal
with the dimensions as shown below.

<-0.85um-> <-0.85um->
|--------| |--------| ^
| | | | |
| | | | |
| | | | |
| | | | |
| | | | |
| |<-0.75->| | 9.9um
| | um | | |
| | | | |
| | | | |
| | | | |
| | | | |
| | | | |
|--------| |--------| ^

WIDTH[R] M1 LT 10.01 M1temp
LENGTH M1temp GT 0.75 OUTPUT BIGM1 60 7

I am confused as to how many errors I should get or no errors at all.
Please tell me if my interpretation is correct here. The WIDTH check
returns a total of 4 edge pairs --- 2 pairs for each polygon. The R
option should have created 2 trapezoids total --- one for each two
edge pairs. The trapezoids should now be the exactly the same as the
original polygons. Then the LENGTH check should return 8 errors for
the 8 edges where every one of them is greater than 0.75um.

Please tell me if this is correct. If so, then it means that the
Dracula file that I'm using has implemented the rule incorrectly.

Thanks in advance.
Thuong
 

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