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Decal rules do not override default rules!

Question asked by wojtkowiak on Aug 19, 2010
Latest reply on Aug 26, 2010 by george_defond

Hello,

 

i have a problem. I want to route some traces under a BGA-Decal (Pitch 0.65mm). Therefore i have set a decal rule (clearance=0.1mm) for this BGA-Package which should override the default rules (clearance=0.15mm). But everytime i do a design verification i get errors which say that my traces under the BGA-Package have a clearance of 0.1mm to the next BGA-Pads but should have at least 0.15mm. I don´t understand why i get those error messages.

 

Do the decal-rules only effect the pads of the decal but not the traces under the decal area?

 

Thanks

 

Harald Wojtkowiak

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