Electronics Forum | Thu Sep 15 21:36:52 EDT 2011 | darby
I also posted this in the design section... G'day folks - haven't been around for some time but still soldering on. Question for y'all. One of my design engineers has shown me a Creative PCI audio card with a TQFP48 attached. 0.4mm pitch. Let's say
Electronics Forum | Mon Dec 10 13:26:40 EST 2012 | dyoungquist
We are using our selective solder machine to solder a backplane with sixteen (16) 4x48 pin 0.080" connectors. Our first pass yield is about 85% meaning that 85% of the connectors come out with no bridges. Not quite as fine pitch as your connector a
Electronics Forum | Wed Aug 21 09:09:50 EDT 2013 | wcheew
I am having solder barrel fill issues on THM component, we follow, we follow IPC 610 E requirement. The barrel fill issues happen on signal & ground pin at connector & E-cap. I found out that most of the insufficient solder happen on the connector ag
Electronics Forum | Mon Oct 20 18:53:39 EDT 2014 | warwolf
pci express x1? https://www.google.co.nz/search?q=pci+express&client=firefox-a&hs=ZJi&rls=org.mozilla:en-GB:official&channel=sb&source=lnms&tbm=isch&sa=X&ei=DZJFVKvRDaXemAXaxoCgDA&ved=0CAgQ_AUoAQ&biw=1173&bih=849#rls=org.mozilla:en-GB:official&chann
Electronics Forum | Thu Nov 13 10:05:18 EST 2014 | grimus
Hello, I'm fighting with problems of random solder balls that appears after reflow soldering around Pin in Paste component. I'm mounting this component with Pick and Place machine. I'm using solder paste type-3 and this is lead free product. This is
Electronics Forum | Sat Nov 15 05:08:45 EST 2014 | grimus
Same side (component side) if You give me e-mail I can provide You more pictures. I'm making one stroke with same speed (I'm using closed proflow head and DEK printer). 5 mils thickness stencil. Products requirement - 3 IPC Class (75 % and more fill
Electronics Forum | Wed Feb 11 08:33:25 EST 2015 | daniel_esposito
Hi, I have two Quad IVc and both of them have the same problem. Laser Alignment is not working! When I run funtion 30, it always gives 1 at nozzle height. If I place any object beside the nozzle, it will give a number different from one depend on how
Electronics Forum | Mon Jul 25 09:11:25 EDT 2016 | spoiltforchoice
There 2 main rival standards for orientation in tape and because you can't really trust manufacturers to stick to one or the other or something else entirely it is always wise to check the datasheet. Typically an SOIC will have pin 1 the same end as
Electronics Forum | Thu Jun 29 12:07:09 EDT 2017 | georgetruitt
HOW THICK IS THE BOARD? IS THERE A LOT OF COPPER IN THE BOARD? DOES YOUR CUSTOMERS PROVIDE HEAT RELIEF IN THE BOARDS BARREL DESIGN THERE NEEDS TO BE PLENTY OF ROOM FOR LEADFREE SOLDER TO FLOW, DID YOU CHECK YOUR PIN(LEAD)TO HOLE (BARREL) RATIO? N
Electronics Forum | Mon Dec 25 08:43:35 EST 2017 | arjunkolavara
Hi , We are having Pin hole issues on the passive locations in the board after the SMT reflow process. Details: PCB surface Finish : ENIG . Solder paste : Alpha OM338 – M13 / Indium SMQ92J Location : Its Random and more on passive components. {
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