Electronics Forum | Thu May 10 12:57:03 EDT 2012 | gnus
Seems like this is a common theme. It was always an uphill battle with management to get them to understand small strips costs us more time which in turn costs more money. Our management never got it so we had to think of ways around it.
Electronics Forum | Wed Nov 29 20:57:10 EST 2017 | davef
Jez, you're digging away in the grass on this one. Long time ago. Look at: FED-STD-101, Method 3005 for reducible sulfur. The standard is maintained by some packing material group. Interestingly, it's not uncommon to see it referenced in other elec
Electronics Forum | Thu Oct 01 17:15:50 EDT 2020 | spoiltforchoice
Stress concerns, spread over 50 pins. Madness, but then people do still seem to have a level of paranoia with SMT. Here we'd suck it up and handsolder them, and the operatives would not be happy about it.
Electronics Forum | Fri May 05 07:26:45 EDT 2023 | tommy_magyar
All you can do is to revise the testing procedures and SMT checks (pick and place vision and AOI checks) with the same fault generated in-house. This is all you can do from my point of view.
Electronics Forum | Wed Jul 26 02:15:31 EDT 2023 | frankchan
Let's not forget the valuable space SMT workshop cost a lot, even the floor it's ESD material coated.AGVs need a runway for the route Also, there's the cost/profit ratio... ...
Electronics Forum | Thu Apr 17 16:43:09 EDT 2003 | davef
Background: * Bulwith, Ronald A., �Failure Analysis of Solder Joints�, �Insulation/Circuits� magazine, February 1978 * Banks, Donald R., et al., �The Effects of Solder Joint Voiding on Plastic Ball Grid Array Reliability�, Proceedings of the Technica
Electronics Forum | Wed Oct 13 12:52:52 EDT 2004 | caldon
I do know for our case...it was not just SMT manufacturing. There were many variable: 1) Part purchasing- The larger CM's would get better $ and lead times than we could. in some case we would have to wait 4-6 months before delivery. Or we could buy
Electronics Forum | Mon Aug 18 11:20:08 EDT 2008 | pjc
Stencil apertures are cut to deposit solderpaste onto the annular ring, provided its wide enough. Then you can place a solder preform if needed to ensure there is enough solder to fill the barrel. Here is some information on solder preforms: http://
Electronics Forum | Wed May 02 12:59:21 EDT 2012 | davef
I like AJ's answer. Count-On-Tools makes a neat holder for presenting short strips of taped SMT components to a placement head. http://www.smtnet.com/company/index.cfm?fuseaction=view_company&company_id=51639 Let us add to this by saying, we don't
Electronics Forum | Thu Aug 22 09:09:42 EDT 2002 | 11878525
Hello Dimitry, EWI has been in the contract manufacturing business for 19 years. We're loacated in the metro Orlando (Florida) area. Currently running 3 fully automated SMT lines with PTH support lines. Would be interested in discussing your requirem
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