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Subject: Rigid-Flex Design-Multiple Outlines
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etordahl
Posts: 1
Online: User is Offline
6/04/2008 9:48 AM  
In designing a Rigid-Flex Board, I see the need for multiple outline, routing, placement shapes for different etch classes, as the different layers will have different board outlines. How would one handle this? (IE; the Board Geometry/Outline Class would have the LARGEST shape, and use lines/shapes on etch layers to define rigid/stiffener areas). I know how to handle this in my “other” Software Packages, but since this is my first Rigid-Flex in Allegro, I was hoping for the correct (best) answer. Thanks! Edward S. Tordahl, CID+, MCSE Sr. PCB Designer
cadpro2k
Posts: 45
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6/05/2008 9:31 PM  
No one says you can only have your Outline on Board Geometry/Outline subclass. You could have Board Geometry/OutlineL1, Board Geometry/OutlineL2, Board Geometry/OutlineL3, etc. etc. You can create Route Keepout areas on all your etch layers also. You could create a whole range of DRC rules for whatever is required. You just need to be a little creative.

Give it a try, I'm sure with creating additional subclasses for your needs, you'll get it to work. I have.

Your next biggest issue will be developing your Gerber file layers for outputting fabricaiton data. You'll figure it out.

Good day.
Mitch
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Forums > Silicon-package-board > PCB Design > Rigid-Flex Design-Multiple Outlines


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