Actions
Forum Thread Details
  • State Not Answered
  • Locked Locked
  • Replies 14 replies
  • Subscribers 88 subscribers
  • Views 2732 views
  • Users 0 members are here
Related
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Problem with hatched pour violating clearance setting

chuckbluz

. I’m looking for help with hatched pours., I’m building a capacitive touch pcb, and need 1mm clearance around my touch pads., I’ve set the design rules accordingly. But this is what I get:

 

image

You can see that some of the hatching is actually inside the 1mm clearance. Of the 28 sensor pads I have laid out, only 1 is usable. This occurs with 45 degree and/or 90 degree hatching. I tried a solid pour, and that works fine.

Unfortunately, I must have a hatched pour.

 

I looked at the documentation PDFs, and the problem is there, and I also used an online gerber viewer, and verified the problem. I need to send files to our factory in China today, but I cannot send them with this problem.

  • 0 in reply to e14softwareuk

    Thank you fro reviewing my files. This work-around caused other problems however. First, the 1mm clearance violations now occur around the vias, see the image below. Next, this has caused number design rule violations around my connector, since the spacing between the connector pads is 1mm, running any trace in between becomes a violation. The settings also mean that I cannot have different clearances around my sensor pads and the traces that connect to them, which is not what I want.

     

    imageimageimageimage

  • 0 in reply to chuckbluz

    I modified the settings as follows, and fixed the DRC errors around the connector, but the via issues remain. (I'm not using any SMD pads, so I did not change those values)

    image

  • 0 in reply to chuckbluz

    And a final one for this morning! Not sure how this can happen, but the clearance around the through hole pads on the connector is different on different pads.

    image

  • 0 in reply to chuckbluz

    last one, I promise - I ended up back with my original settings so I could avoid DRC errors at the connector, and also have less than 1mm clearance around traces and vias, but ended up manually adding a circular keepout around every touch sensor pad. Even so, the hatching still "wants" to fail, as some pads still have a violation of the 1mm clearance, see below. At least now the design is usable. I still consider this to be a bug, and I hope Altium fixes it.

    image