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Through-hole Solder & Paste Mask Pad Stack Issue

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=3563
Printed Date: 21 Oct 2025 at 12:01pm


Topic: Through-hole Solder & Paste Mask Pad Stack Issue
Posted By: m.elsayed
Subject: Through-hole Solder & Paste Mask Pad Stack Issue
Date Posted: 20 Oct 2025 at 12:13pm
While I use Footprint Expert for creating a through-hole footprint, I find paste mask and solder mask not equal to Zero '0', also pad type not be simple type.

Attached FPX
uploads/11979/throughhole.fpx" rel="nofollow - uploads/11979/throughhole.fpx

Altium Screenshot:





Replies:
Posted By: Tom H
Date Posted: 21 Oct 2025 at 10:29am
What's wrong with having negative values? 

When a negative paste mask value is the same value as the pad, it turns off that shape. 

We don't understand what the issue is. 

We know that you want to see a zero '0' for the paste mask if there is none, but having a negative value is the same thing. 



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