Polarity Marking Silkscreen Legend
Printed From: PCB Libraries Forum
Category: Libraries
Forum Name: PCB Library Construction Guidelines
Forum Description:
URL: https://www.PCBLibraries.com/forum/forum_posts.asp?TID=1816
Printed Date: 12 Oct 2024 at 5:18pm
Topic: Polarity Marking Silkscreen Legend
Posted By: Nick B
Subject: Polarity Marking Silkscreen Legend
Date Posted: 10 Jan 2016 at 12:17am
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This document provides Polarity Marking Silkscreen reference to help prevent inverting polarized component packages during the assembly machine setup or manual solder process. http://www.PCBLibraries.com/downloads/doc/Polarity-Marking-Silkscreen-Legend.pdf" rel="nofollow - Polarity Marking Silkscreen Legend The http://www.PCBLibraries.com/LibraryExpert" rel="nofollow - Library Expert Pro has User Definable silkscreen and polarity markers, which can be automatically get applied throughout your library! Library Expert Pro users have access to a starter library of over 1 million parts!!
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Replies:
Posted By: Nick B
Date Posted: 11 Jan 2016 at 2:34am
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NOTE: Users who opt to use the free Library Expert " http://www.pcblibraries.com/LibraryExpert/POD/" rel="nofollow - POD Builder " can take advantage of this and DOZENS of other features, too!!  ------------- Stay connected - follow us! https://twitter.com/PCBLibraries" rel="nofollow - X - http://www.linkedin.com/company/pcb-libraries-inc-/" rel="nofollow - LinkedIn |
Posted By: ptkvgl
Date Posted: 19 Jan 2016 at 5:31am
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Hello Nick, Thanks a lot for the "Polarity Marking Silkscreen Legend" documentation! I noticed that you write below the 3 Gull Wing Terminal picture, that the gap marking symbol/solder mask should be 0.75mm and on the next page, regarding the sample 0.50mm pitch SOP, the gap legend/solder mask should be 0.075mm...?... Is that OK or did I misunderstood something? Thanks and kind regards, Patrick |
Posted By: Tom H
Date Posted: 19 Jan 2016 at 10:25am
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The Silkscreen Legend and Polarity Marking to Solder Mask gap minimum is 3 mils or 0.075 mm. ------------- Stay connected - follow us! https://twitter.com/PCBLibraries" rel="nofollow - X - http://www.linkedin.com/company/pcb-libraries-inc-/" rel="nofollow - LinkedIn |
Posted By: Nick B
Date Posted: 19 Jan 2016 at 10:55am
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Thanks for pointing out this typo, Patrick. It's fixed now. ------------- Stay connected - follow us! https://twitter.com/PCBLibraries" rel="nofollow - X - http://www.linkedin.com/company/pcb-libraries-inc-/" rel="nofollow - LinkedIn |
Posted By: ptkvgl
Date Posted: 21 Jan 2016 at 11:30pm
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You're welcome! Thanks once again... |
Posted By: tgrodnicki
Date Posted: 06 Jun 2017 at 11:12am
| This typo is also in http://www.pcblibraries.com/Products/FPX/UserGuide/download/Library%20Expert%20Surface%20Mount%20Families.pdf" rel="nofollow - http://www.pcblibraries.com/Products/FPX/UserGuide/download/Library%20Expert%20Surface%20Mount%20Families.pdf (updated 5‐14‐17). |
Posted By: Tom H
Date Posted: 06 Jun 2017 at 1:04pm
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What page? ------------- Stay connected - follow us! https://twitter.com/PCBLibraries" rel="nofollow - X - http://www.linkedin.com/company/pcb-libraries-inc-/" rel="nofollow - LinkedIn |
Posted By: tgrodnicki
Date Posted: 06 Jun 2017 at 1:32pm
| Page 38, in the paragraph under 3 drawings, 2nd sentence. |
Posted By: Nick B
Date Posted: 06 Jun 2017 at 3:55pm
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Thanks, updated. ------------- Stay connected - follow us! https://twitter.com/PCBLibraries" rel="nofollow - X - http://www.linkedin.com/company/pcb-libraries-inc-/" rel="nofollow - LinkedIn |