Electronics Forum | Thu Jan 02 11:35:30 EST 2003 | Richard
Cleanliness test � �Area Grid Arrays�. Evaluation of residues� resistivity in a specific location on the board. (As compared to �Solvent Extract� evaluation.) We are: SMT assembly, using standard �water soluble� process with micro BGAs (example: C
Electronics Forum | Fri Mar 22 10:56:41 EST 2002 | jax
Why are you unable to place this part with your Machine. Part to big? No pick up point( nozzle landing area )? No Feeder? Vision recognition? If we know why you can't place it, we might have a fix.
Electronics Forum | Wed Sep 01 10:41:29 EDT 2004 | russ
Phil, you are incorrect on the value! You are right the 5 does signify the number of 0s to be 5, So when you move the decimal point 6 places to convert into uFarads from picoFarads you end up with .1, A 1uF cap has a 6 Russ
Electronics Forum | Mon Dec 04 16:55:58 EST 2006 | Rog
Hello Dougs and Steve (the message before) I am the R from PDR. Sitting here in England browsing. Thanks for your comments. In the end, all the technologies work to some degree...but as you have found out, we have some good points. It has been 20 ye
Electronics Forum | Tue Mar 31 09:22:48 EDT 2015 | rgduval
I've always hated using machine specs....they're always best case scenarios, and nearly never capture actual through-put rates. Personally, I don't like using first-piece rates, either...unless you're looking for worst case scenarios. Usually, the
Electronics Forum | Sun Nov 19 16:37:06 EST 2006 | finepitch
Hi RJK, 2.5 years ago, I pointed out the exact same thing you did now. (please see the below link) http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=7076Message28261 I am a competing brand's rep for 3 years, but p
Electronics Forum | Thu Feb 18 20:24:37 EST 1999 | Tony
I'm trying to replace the PTH connectors with the SMT connectors in my design, and would like to make sure the SMT connector solder joints are as stong as PTH's. What's the right test to verify that? Is Pull and Shear test is the right choice? Where
Electronics Forum | Thu Jan 07 21:50:10 EST 1999 | Dave F
| I'm looking for some SMT test sockets. Could you tell me who can do a similar job as Ironwood Electronics, Inc.? Thanks. | Dorothy: Try these folks. TTYL Dave F Oztech 510.782.2654fax2656
Electronics Forum | Wed Jul 27 17:01:14 EDT 2005 | Dreamsniper
Issue: At 60'C test PCB Fails. Operator did simulation. Use of Heat Gun to heat up the BGA to 60'C while PCB is powered and running. At 60'C BGA fails. When pressed system is back which means that something becomes open. Sent BGA for SEM and found t
Electronics Forum | Tue Oct 26 08:41:56 EDT 2004 | Bob R.
When we first got into BGAs on ENIG we were getting joint cracking at in-circuit test. The joints were breaking in the Sn-Ni intermetallic. We did a lot of pull testing while working with our board suppliers and our conclusion was that pull testing
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