Electronics Forum | Tue May 01 06:54:22 EDT 2007 | LC
Hi, We are encountering BGA problems where it dislodge from the board. Some are just by normal handling and some are results from drop test about 15 cm high. We have checked our profile and they are in accordance to the BGA recommended reflow profil
Electronics Forum | Wed May 02 06:28:26 EDT 2007 | LC
In our first run, we actually followed the solder paste recommended profile then we were told to use the BGA recommended one. When we had the 2nd run we still got the same problem. We're using Kester 909HPS (lead free) and ENIG boards. Thanks.
Electronics Forum | Wed May 02 10:45:24 EDT 2007 | bartlozie
I agree with Bob, Do you have a long TAL, ENIG needs a longer TAL then other boards, on the side of this, Latest year there are a lot of bad Au plated boards, we had 3 batch of bad plated boards in the last year. indeed maybe the problem isn't the
Electronics Forum | Thu May 03 09:02:31 EDT 2007 | realchunks
Hi LC, Where are you getting your profile from? Are you actually attaching t-couples to the board? For BGAs the best place to measure is from the center of the device. This means drilling a hole in the board and placing the t-couple thru the hole
Electronics Forum | Tue May 01 14:43:57 EDT 2007 | jax
GSM's are great machines but before you buy used get some info. You will need a complete options list as well as the Block Series of the machine. This will let you know what upgrades need to be done and if they are possible. If you get the serial num
Electronics Forum | Tue May 15 21:44:35 EDT 2007 | marcelll
The best buy you can do right now. There's a lot on the market at cheap price. Easy to find feeders & spare parts at good price. You can find a good machine for $20-25K Dont buy with FlexJet head unless your use to work with these heads. Complicated
Electronics Forum | Tue May 01 11:26:07 EDT 2007 | stefi
Hi, I need some splice tapes of reasonable quality at the lowest price possible. Can somebody provide some help with some prices of these items? The tapes we used before were very expensive, at about 200 EUR/500 pcs roll. We will consider using spli
Electronics Forum | Wed May 02 04:32:37 EDT 2007 | Sami
Dear all. I am now searching for companies who made Tracks for Automatic assemblies used for Radial machine as loader and uloaderwith a big capacity for the number of PCB . our product is a little big PCB for TV and LCD. Can any one help me with some
Electronics Forum | Wed May 02 09:54:38 EDT 2007 | John S.
We've been looking at an EVS solder recovery machine. There look to be some old posts about the SRS machine. Can anyone provide feedback on the EVS machine? Does anyone know of a competing machine? I've looked at the Pulsar Solder Saver, but I do
Electronics Forum | Thu May 03 22:41:36 EDT 2007 | davef
How do the SUBJECT "CCLEF100X8M-R" and the link on your posting relate to each other? Assuming the link is important, [couldn't you find an English site posting your component?] Look here: http://www.calmicro.com/applications/app_docs/ap-217.pdf
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