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Polarity Marking Silkscreen Legend |
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Nick B 
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Joined: 02 Jan 2012 Status: Offline Points: 1970 |
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 Topic: Polarity Marking Silkscreen LegendPosted: 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.
Polarity Marking Silkscreen Legend The 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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Nick B
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Posted: 11 Jan 2016 at 2:34am |
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NOTE: Users who opt to use the free Library Expert "POD Builder" can take advantage of this and DOZENS of other features, too!!  |
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ptkvgl
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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 |
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Tom H
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Joined: 05 Jan 2012 Location: San Diego, CA Status: Offline Points: 5940 |
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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. |
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Nick B
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Posted: 19 Jan 2016 at 10:55am |
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Thanks for pointing out this typo, Patrick. It's fixed now.
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ptkvgl
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Posted: 21 Jan 2016 at 11:30pm |
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You're welcome!
Thanks once again... |
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tgrodnicki
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Posted: 06 Jun 2017 at 11:12am |
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This typo is also in http://www.pcblibraries.com/Products/FPX/UserGuide/download/Library%20Expert%20Surface%20Mount%20Families.pdf (updated 5‐14‐17).
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Tom H
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Posted: 06 Jun 2017 at 1:04pm |
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What page?
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tgrodnicki
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Posted: 06 Jun 2017 at 1:32pm |
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Page 38, in the paragraph under 3 drawings, 2nd sentence.
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Nick B
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Posted: 06 Jun 2017 at 3:55pm |
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Thanks, updated.
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