Electronics Forum | Fri Sep 10 00:13:48 EDT 2004 | Darren
Joe If you are building these yourself your engineering group should be able to answer your questions, if you will be using a CM they will usually have a basic DFM report which they will gladly give to you as it will make their job much easier if yo
Electronics Forum | Fri Apr 14 13:30:20 EDT 2000 | Murad Kurwa
Hi All: Can you tell me specifically if you converted an exiting product made with Clean process using WS609 or compatible to 'No-Clean' process. We have to convert assemblies from current clean process at a CEM to No-Clean process in our own factor
Electronics Forum | Mon Apr 30 10:48:10 EDT 2001 | CAL
oktayunsal- Machines are your secondary problem. Knowing and understanding SMT process is your biggest obstacle. SMT process involves Electrical, Chemical, Industrial, and mechanical engineering disciplines.As a start I would begin with IPC related
Electronics Forum | Mon Apr 21 09:01:38 EDT 2003 | russ
Wave solder - Initially high cost but after that it is relatively cheap. Selective soldering with a solder pot such as the Air-Vac PCBRM models - Much lower cost than wave but if you get the right nozzles it is a great process. Solder preforms - s
Electronics Forum | Tue May 13 20:48:10 EDT 2008 | davef
Rob On your thermal recipe: Above liquidous for nearly 2 minutes seems to be a scoush long. Not sure you're doing anything positive with things like that. On the article: * SMT Magazine, October, 2002, p24 'Q & A: BGA Dewetting' * "Q: Our manufactu
Electronics Forum | Mon Apr 19 17:27:48 EDT 1999 | Tuffty
I think the optional registration is a great idea, strange as this sound's some companies - mine being 1 are not happy about it's engineer's voicing thing's on forum's. Which is a bit backward to say the least scared in case we give the 'enemy' a han
Electronics Forum | Thu May 26 08:52:42 EDT 2011 | davef
Phil Zarrow wrote a useful paper that could help in evaluating paste. Here read it ... Evaluating Solder Paste � Not An Option Contributed by Phil Zarrow of ITM an Independent SMT consulting firm With soldering being the dominant source of assembly
Electronics Forum | Tue Jul 06 08:48:11 EDT 2010 | Sean
Hi all, Is anyone used to encounter PTH(plated through hole) crystal component(Not SMT component) become malfunction when the environment humidity is more than 90%? It is happening here...It is very weird that crystal become OK when humidity is bac
Electronics Forum | Thu Jun 08 01:46:00 EDT 2023 | camilleyang3
To prevent BGA (Ball Grid Array) issues related to SMT (Surface Mount Technology) solder resist when fabricating a PCBA (Printed Circuit Board Assembly), you can follow these guidelines: Design considerations: Ensure proper spacing between BGA pads
Electronics Forum | Tue Nov 09 04:21:11 EST 2010 | bising
Hi SMT World, I am facing a technical challenge related to an SOIC 14lds with thermal pad on it's belly that needs to be soldered onto PCB, together with leads. It is a 50 per board, expected 80% solder load on every one. We have some units without
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