Electronics Forum | Wed Sep 01 03:13:15 EDT 2004 | laxman
Here I want to ask 1. Is Lead Free soldering really meaningful when the total lead content in the PCBA industry is less than 0.02% when compared to the other industries?. 2.The lead free soldering transition has to take place in the following indust
Electronics Forum | Tue Sep 14 14:25:35 EDT 2004 | scombs
Thanks everyone for all the input. All of our stencils do have the PCB # etched on the foil but when operators look for the stencils they are looking for the part # on the frame since they are all stored vertically in a couple of Remstar shuttles and
Electronics Forum | Wed Oct 06 11:52:45 EDT 2004 | Mike Konrad
You state that you need a washer for �pcb washer/cleaner for misprints etc� Is it only for misprints or is it also for post-reflow de-fluxing? I would not suggest that you utilize one machine for both applications. Misprints should always be cle
Electronics Forum | Mon Oct 25 17:50:46 EDT 2004 | Mike
I work for a PCB Manufacture and I am looking for info on BGA Pull test or strenght test. I have a CM that is experiencing bga's with some weak joints. they are telling me that when they do their pull test the joints are breaking at the nickel inste
Electronics Forum | Thu Nov 11 08:06:00 EST 2004 | no gel pig fan
I would definately try to sell the bosses on the Grid-lok over the gel piggies. We evaluated both and wound up buying the Gel (for close to the same money). On an MPM if you put enough gel packs in the vacuum box (to support the board) it holds the b
Electronics Forum | Sat Feb 26 22:32:42 EST 2005 | siverts
The directive is called RoHS. Meaning that is not only the lead that is the issue. The materials need to whithstand a hihger temperature, not only delta T is an issue (but huge). Moisture sensitive devices: how to handle these? You will see an increa
Electronics Forum | Fri Sep 22 02:19:25 EDT 2006 | lead free tester
The directive is called RoHS. Meaning that is > not only the lead that is the issue. The > materials need to whithstand a hihger > temperature, not only delta T is an issue (but > huge). Moisture sensitive devices: how to handle > these? You wil
Electronics Forum | Wed Jul 06 09:51:23 EDT 2005 | Jack
Doug, It always seems easier to fix one or two problems by eye at the time. The real problem comes when the customer wants the same board run again later. You're okay if you saved the corrected placement routine, but if you end up moving the job t
Electronics Forum | Wed Feb 16 12:34:49 EST 2005 | greg
Hi all We recently have a problem with component in package 0805 (capasitor 100nF). I have noticed that after reflow soldering only one lead of the component is soldered. The second one is just laying on the PCB land. We use screen printing process
Electronics Forum | Mon Feb 21 18:13:23 EST 2005 | gpaelmo
As davef states above, you would like to have flat surfaces below 25 mil. We are a contract manufacturer also and we've done thousands of 15 mil QFP's with HASL finish with no problems. Your success will depend on quality of PCB supplier providing th
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