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Unknown layer/datatype pairs found after submitting the design to Mosis

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marjang

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After submitting my design to Mosis I received these two warnings. Does anyone have any idea about them? What can be the reason to receive these?

204802 text nodes ignored on layers:
3,11,13,16,18,28,31,33,38,40-43,47,63 (This warning
indicates an anomaly in the file that does not compromise
our processing of the data.)

Unknown layer/datatype pairs found (NOTE: Unknown layers will
NOT be fabricated; please verify each layer number in this
list): 137/0, 40/0, 41/0, 42/0, 43/0, 50/0


I would appreciate any help in advance.
 

this must be your first time with MOSIS.

It's fine. These are pretty common errors. You probably have text in your GDS. Or some boundaries that are not physical layers. MOSIS will ping you if there is some real issue.
 
ThisIsNotSam said:
this must be your first time with MOSIS.

It's fine. These are pretty common errors. You probably have text in your GDS. Or some boundaries that are not physical layers. MOSIS will ping you if there is some real issue.
Click to expand...

Thanks for your response. You made me feel better.
Yes this is my first time. So I will ignore these errors.
Thanks again.
 

You should inspect the layertable regarding the "unknown"
layers, just to be sure. But likely these are things like
instance/dwg, text/dwg, usrtext1/dwg... that are in the
layout tool for you to use but not printed in the fab. If
you can disposition them all and document why, that's
good for peace of mind and for next time.
 

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