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  <title>PCB Libraries Forum : CLASS 3 Design Specs</title>
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   <title><![CDATA[CLASS 3 Design Specs :   Class 3 is mainly down to...]]></title>
   <link>https://www.PCBLibraries.com/forum/class-3-design-specs_topic331_post1933.html#1933</link>
   <description>
    <![CDATA[<strong>Author:</strong> <a href="https://www.PCBLibraries.com/forum/member_profile.asp?PF=13">marce</a><br /><strong>Subject:</strong> 331<br /><strong>Posted:</strong> 02 Oct 2012 at 7:02am<br /><br />Class 3 is mainly down to land/hole ratios and quality of the manufacturerd PCB, for full class 3 a test coupon(s) is tested from each panel forplating thickness etc.]]>
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   <pubDate>Tue, 02 Oct 2012 07:02:30 +0000</pubDate>
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   <title><![CDATA[CLASS 3 Design Specs : Hi Tom,Thanks a lot for your information.Linga...]]></title>
   <link>https://www.PCBLibraries.com/forum/class-3-design-specs_topic331_post1886.html#1886</link>
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    <![CDATA[<strong>Author:</strong> <a href="https://www.PCBLibraries.com/forum/member_profile.asp?PF=771">Lingamoorthi</a><br /><strong>Subject:</strong> 331<br /><strong>Posted:</strong> 27 Sep 2012 at 7:45pm<br /><br />Hi Tom,<div><br></div><div>Thanks a lot for your information.</div><div><br></div><div>Linga</div>]]>
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   <pubDate>Thu, 27 Sep 2012 19:45:28 +0000</pubDate>
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   <title><![CDATA[CLASS 3 Design Specs :   I&amp;#039;ve never heard of any...]]></title>
   <link>https://www.PCBLibraries.com/forum/class-3-design-specs_topic331_post1885.html#1885</link>
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    <![CDATA[<strong>Author:</strong> <a href="https://www.PCBLibraries.com/forum/member_profile.asp?PF=3">Tom H</a><br /><strong>Subject:</strong> 331<br /><strong>Posted:</strong> 27 Sep 2012 at 2:45pm<br /><br />I've never heard of any IPC standard for routing. <div>&nbsp;</div><div>Also, trace routing is not included in either the CID or CID+ study guides. </div><div>&nbsp;</div>]]>
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   <pubDate>Thu, 27 Sep 2012 14:45:57 +0000</pubDate>
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   <title><![CDATA[CLASS 3 Design Specs : Friends,Can you please let me...]]></title>
   <link>https://www.PCBLibraries.com/forum/class-3-design-specs_topic331_post1880.html#1880</link>
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    <![CDATA[<strong>Author:</strong> <a href="https://www.PCBLibraries.com/forum/member_profile.asp?PF=771">Lingamoorthi</a><br /><strong>Subject:</strong> 331<br /><strong>Posted:</strong> 26 Sep 2012 at 9:19pm<br /><br />Friends,<br><br>Can you please let me know if we have any IPC standards for Routing?<br><br>Linga<br>]]>
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   <pubDate>Wed, 26 Sep 2012 21:19:36 +0000</pubDate>
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   <title><![CDATA[CLASS 3 Design Specs :   That&amp;#039;s a big question....]]></title>
   <link>https://www.PCBLibraries.com/forum/class-3-design-specs_topic331_post895.html#895</link>
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    <![CDATA[<strong>Author:</strong> <a href="https://www.PCBLibraries.com/forum/member_profile.asp?PF=3">Tom H</a><br /><strong>Subject:</strong> 331<br /><strong>Posted:</strong> 14 Jun 2012 at 6:42pm<br /><br />That's a big question. But it needs to be answered. I'm working on Class 3 Type 4 designs for a space project, but the notes all lead back to some IPC standard. <div>&nbsp;</div>]]>
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   <pubDate>Thu, 14 Jun 2012 18:42:08 +0000</pubDate>
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   <title><![CDATA[CLASS 3 Design Specs :    Hi All, Does anyone have...]]></title>
   <link>https://www.PCBLibraries.com/forum/class-3-design-specs_topic331_post776.html#776</link>
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    <![CDATA[<strong>Author:</strong> <a href="https://www.PCBLibraries.com/forum/member_profile.asp?PF=29">BryanT</a><br /><strong>Subject:</strong> 331<br /><strong>Posted:</strong> 11 Jun 2012 at 10:55am<br /><br />Hi All,<br>&nbsp; <br>Does anyone have a chart or some type of consolidated list of the requirements for a CLASS 3 PCB Design? <div>&nbsp;</div> It would really help to have all the requirements in an easy to read chart or list.<br>&nbsp; <br>Thanks in advance!<br>Bryan<!-- google_ad_secti&#111;n_end -->]]>
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   <pubDate>Mon, 11 Jun 2012 10:55:56 +0000</pubDate>
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