Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/proceedings_abstract.cfm?PROC_ID=5454
state precipitation, and the overall ß-Sn grain structure of BGA solder joints. Key Words: Pb-free solder; microstructure Members download articles for free: Log in now! Not a member yet
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/land-patterns-for-leadfree-componet-soldering_topic612_post2167.html
: 20 Mar 2012 Location: Oxfordshire, UK Status: Offline Points: 576 Post Options Post Reply Quote jameshead Report Post Thanks(1) Quote Reply Posted: 26 Oct 2012 at 1:23am Ignoring solder paste aperture size and just looking at the copper pad alone I don't think that rounded rectangles are any better or worse then a normal rectangle for lead-free solder then leaded
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/land-patterns-for-leadfree-componet-soldering_topic612_post2021.html
Posted: 15 Oct 2012 at 10:00pm Hi All, Is there any standard that we should follow for land patterns for Pb-Free componet soldering
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic612&OB=ASC.html
Posted: 15 Oct 2012 at 10:00pm Hi All, Is there any standard that we should follow for land patterns for Pb-Free componet soldering
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic612&OB=DESC.html
: 20 Mar 2012 Location: Oxfordshire, UK Status: Offline Points: 576 Post Options Post Reply Quote jameshead Report Post Thanks(1) Quote Reply Posted: 26 Oct 2012 at 1:23am Ignoring solder paste aperture size and just looking at the copper pad alone I don't think that rounded rectangles are any better or worse then a normal rectangle for lead-free solder then leaded
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Surface Mount Technology Association (SMTA) | https://www.smta.org/smtai/best_papers.cfm
: Alan Donaldson and Raiyomand Aspandiar, Intel Corporation "Hot Air Lead-free Rework of BGA Packages & Sockets" 2003: Dave Nelson and Hector Pallavicini, Raytheon Systems Company "Manufacturing and Reliability of Pb-free and Mixed System Assemblies (SnPb/Pb-Free