Electronics Forum | Tue Oct 24 15:46:09 EDT 2006 | aj
Mark, The pcb manufacturer recommended we bake the boards , so we did. I even weighed a batch before and after and seen slight decrease possibly 0.1g in weight. However we still seen some delam after all this. I am confident our issue has nothing to
Electronics Forum | Tue Oct 24 13:07:54 EDT 2006 | CL
Hello Billy, We have 6 machines tied to a server. I can see where this would be a problem. Basically, the answer is you would need a package for every significantly different package that you are placing. I don't think you can just say 3 0805 packag
Electronics Forum | Tue Oct 31 21:49:38 EST 2006 | davef
First, we assume the white residue is only on the connector and not on other components. That would imply that either: * White stuff was on the connector when it came in-house from your supplier. [Confirm this theory by baking some connectors from
Electronics Forum | Thu Nov 02 18:56:10 EST 2006 | darby
John, As Dave says, never clean raw paste. Let it sit for at least 24 hrs if you can and use a plastic spatula to wipe off the bulk of it. The "drier" the paste the easier it is to remove without it travelling down vias etc. You will then have to cho
Electronics Forum | Tue Nov 07 14:23:13 EST 2006 | CL
Hello bpeach, We purchased a Mirtec for our first AOI machine after a side by side comparison of three different manufacturers. The Mirtec proved to be far superior to the others that we had looked at. Initially, the intention of the AOI was to prov
Electronics Forum | Mon Nov 06 05:50:28 EST 2006 | aj
Bill, I thought I had it bad here!!!! I am sure if you contact your Paste Supplier they will give you all the advise you need. Better still contact a Printer Supplier and tell him to assist you in justifying the purchase of a new printer.(I am sure
Electronics Forum | Mon Nov 20 16:56:19 EST 2006 | russ
Ahh the old Kester dry product EM907 just had major thicjener issues, we wer quailifying the kester product and could not get out of tube. needless to say it failed the qual. I was informed by Kester rep that all lots were recalled for this? was y
Electronics Forum | Wed Dec 06 16:14:25 EST 2006 | realchunks
Assuming you meant 38 percent humidity - I would have to say your environment is only part of the problem. When you experience this problem, is because the paste has set idle for a period of time? If you knead the paste does the fine pitch print OK
Electronics Forum | Tue Nov 07 18:18:03 EST 2006 | Andrea
I am wondering how to move from hand soldering our ceramic caps to doing a reflow type process. The reason for the change is too many cracked ceramic caps. I have asked our vendors to assemble our boards via reflow but because of our hardware (swaged
Electronics Forum | Wed Nov 15 09:36:27 EST 2006 | Board House
Hi AJ, The biggest mistake in the industry today is documentation for lead free assembly required product. We are still seeing prints coming in saying Lead Free / High TG FR4. When in reality standard FR4 170 Tg. material is considered High Tg. and L
