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 Designing complex footprints 

Last post Tue, Jan 22 2013 6:27 AM by steve. 3 replies.
Started by nimoster 17 Jan 2013 02:30 AM. Topic has 3 replies and 737 views
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  • Thu, Jan 17 2013 2:30 AM

    • nimoster
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    • Joined on Tue, Nov 16 2010
    • Berlin, Berlin
    • Posts 9
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    Designing complex footprints Reply

    Hi Guys!

    I'm stuck with a problem now for a couple of days. Basically I need to design the following footprint:

     

     

     

     

     

     

     

     

     

     

     

     

    The red lines should be on TOP layer, the blue ones on the INNER layer. Associated copper should be connected by vias or pins (green).

    As a workaround I drew all the lines as "dead" copper and added the vias as mechanical pins but that ended up in a DRC mayhem later in the design. Is there any elegant solution to design such a footprint?

    Any help would be very welcome.

    Thanks,

    Martin

    • Post Points: 20
  • Thu, Jan 17 2013 4:51 AM

    • TH Designs
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    • Warminster, PA
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    Re: Designing complex footprints Reply

    Interesting foot print. I don't have a total answer, but did you try making the red padstacks with an offset drill?

    What type of component is this for?

    Tom

    • Post Points: 20
  • Tue, Jan 22 2013 2:53 AM

    • nimoster
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    • Joined on Tue, Nov 16 2010
    • Berlin, Berlin
    • Posts 9
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    Re: Designing complex footprints Reply

    Hi Tom

    Sorry for the late answer... what do you mean by offset drill? I think I didn't use that function so far.

    The components is going to be a switch by applying a carbon print on the red TOP-lines which will be shortcut by a rubber button. The button has a conductive surface on the bottom.

    Any further ideas anyone?

    Thanks and Greetings,

    Martin

    • Post Points: 20
  • Tue, Jan 22 2013 6:27 AM

    • steve
    • Top 10 Contributor
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    • Woking, Surrey
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    Re: Designing complex footprints Reply

    You could make the vias into pins 1,2,3,4 etc then make the tracks as they are on the relevant layers. Once in PCB the tracks will take on the netnames from the schematic and you then connect as you would normally. Alternatively use vias and add surface mount pads at the end of the tracks to make the connection points. You will see DRC's at symbol stage but this should all roll out when a netlist is imported and takes the tracks over.

    • Post Points: 5
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Started by nimoster at 17 Jan 2013 02:30 AM. Topic has 3 replies.