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Thermal Relief in Pads Using FP Designer

Printed From: PCB Libraries Forum
Category: PCB Footprint Expert
Forum Name: Questions & Answers
Forum Description: issues and technical support
URL: https://www.PCBLibraries.com/forum/forum_posts.asp?TID=1540
Printed Date: 07 Oct 2024 at 5:27pm


Topic: Thermal Relief in Pads Using FP Designer
Posted By: David Walker
Subject: Thermal Relief in Pads Using FP Designer
Date Posted: 27 Jan 2015 at 2:08pm

I'm trying to build a through-hole part using the FP Designer, and the pad stacks it creates do not have thermal reliefs.

Is there something special I have to do to accomplish this?

I just upgraded from 2013 to 2015, and 2013 did create the thermal pad stacks.

I must be missing something stupid.

David Walker


Replies:
Posted By: Tom H
Date Posted: 27 Jan 2015 at 2:31pm
In FP Designer you create pad stacks in the "Pad Stack Designer".

Then when you select "Done" the program opens the "Pad Stack Manager".

In the Pad Stack Manager, select the pad stack in the list and you can edit the Top, Inner and Bottom pad sizes and the Solder Mask size.

Select the "Hole" tab to edit the Thermal Relief and Anti-pad features.

Select the "OK" button on the bottom to regenerate the pad stack name.

Select the "OK" in the upper right corner to close the Pad Stack Manager.



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Posted By: Tom H
Date Posted: 28 Jan 2015 at 9:15am

We discovered an issue with "Slotted Hole" Thermal Relief for the Allegro interface.

The bug has been validated and fixed in the V2015.08 pre-release which will be available soon.




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Posted By: Glen.Chen
Date Posted: 29 Jan 2015 at 11:40pm

Hi Tom,

I cannot turn out in the Allegro of the Thermal Relief.

What happens then?

Thank you!!
Glen Chen

Posted By: Tom H
Date Posted: 30 Jan 2015 at 1:04pm

All Allegro interface issues were fixed in the V2015.08 pre-release available here - http://www.pcblibraries.com/downloads" rel="nofollow - www.pcblibraries.com/downloads




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Posted By: David Walker
Date Posted: 10 Sep 2015 at 10:32am
This issue does not seem to be resolved for Allegro.
 
Whatever I do, I can't generate padstacks with thermal relief's.
 
After I create each part, I have to manually update the padstack to include the thermal relief.
 
I beleive this is true for every through-hole part.
 
I tried generating a vertical through-hole header, clicked on "Reference", and built the part.
 
No thermals.
 
Is there a setting somewhere to enable thermal pad generation?

Posted By: chrisa_pcb
Date Posted: 10 Sep 2015 at 10:46am
Are you using the latest version of the LE software? It should be V2015.17.
 
Also.. send me your email by PM and we'll work the issue.


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