Electronics Forum | Mon Jul 18 12:24:53 EDT 2016 | oleksz
Some people involved in PCB assembly process claim that SMD components reflow soldering problems are often caused by traces running under a component. According to this claim, trace (or any copper) covered by solder mask and placed under SMD componen
Electronics Forum | Mon Jul 18 12:25:30 EDT 2016 | oleksz
Some people involved in PCB assembly process claim that SMD components reflow soldering problems are often caused by traces running under a component. According to this claim, trace (or any copper) covered by solder mask and placed under SMD componen
Electronics Forum | Tue Jan 16 18:00:50 EST 2001 | mikestringer
Hi everyone I am in the process of reviewing our storage of SMT components. At the moment they are pretty much on open shelves in the factory environment. We endevour to reseal components labled 'moisture sensitive' in their original packaging, bu
Electronics Forum | Thu Aug 08 16:13:21 EDT 2013 | rangarajd
Hello All, Are there any documents that list component spacing requirements in terms of DFM/ DFA. I was going through IPC website but wasn't able to find any. Thanks!
Electronics Forum | Fri May 16 17:15:16 EDT 2014 | edwardt
Desire to push the spacing limit as usual. If I place two 0402 components spaced 7mils between the edge of the two components adjacent pads, which allows for 4mils solder mask webbing between component pads, what would the risk be? Potential for sold
Electronics Forum | Fri Aug 09 05:21:07 EDT 2013 | martinouk
This will usually be driven by the accuracy of your pick and place and common sense.
Electronics Forum | Mon May 19 15:13:05 EDT 2014 | davef
Consider this combination: * IPC-7351B - Generic Requirements for Surface Mount Design and Land Pattern Standard * IPC Tools & Calculators [ipc.org/contentpage.aspx?pageid=PCB-Tools-and-Calculators ] * Component fabricator suggestions BR ... davef
Electronics Forum | Fri Nov 14 03:41:26 EST 2008 | kywl
For your pad layout and spacing between > components, look here: _a class=roll > href="http://portal.ipc.org/Purchase/ProductDetail > .aspx?Product_code=77b562c1-b8f8-db11-8a6a-0050568 > 75b22" > target="_blank"_http://portal.ipc.org/Purchase/Pr
Electronics Forum | Fri Nov 14 07:32:24 EST 2008 | davef
Yes, courtyard gives you the space requirement of a component. Sometimes, the working space of a rework tool takes precidence, though.
