Electronics Forum | Thu Mar 06 11:48:09 EST 2008 | muse95
Black pad with IAg??? Tarnish is NOT black pad. Tarnish is usually just some silver sulfide on the surface and can also usually be soldered through, by using a little additional, or slightly more agressive, flux, and still make a good quality solder
Electronics Forum | Fri Mar 14 15:14:31 EDT 2008 | samir
Dean, thanks for schooling me on this. I talked to an industry collegue whom I met at APEX, and it was he who had told me of the IAg "rework issue." Basically, he told me that they had field failures on QFPs that were a direct result of trying to "
Electronics Forum | Thu Feb 19 13:39:51 EST 2009 | tedel
Yes, I called Fuji as well!! I guess we're all in the wrong buisness... Received a reply from Biral Lubricants in Norway, they state the following... "We have established our own warehouse in St.Petersburg, Florida and handle presently all inquirie
Electronics Forum | Mon Mar 10 14:03:18 EDT 2008 | swag
Has anyone ever used local fids on flex circuits that are applied by the board house as black ink dots? Good or bad experience? We have a flex board that has two identical 60 pin, fine pitch connectors on it. From limited experience and reading so
Electronics Forum | Wed Mar 12 06:12:09 EDT 2008 | omidjuve
we have pcb here that has a strange footprint on it the details for the device that should be placed on this pcb is part no. PSD833F2-90MI it has 3 different packages PQFP52,PLCC52,TQFP64 and the one that was in the BOM of this board was PQFP52. bu
Electronics Forum | Thu Mar 13 10:41:13 EDT 2008 | slthomas
I don't know who's driving the bus there, but I personally would just tell my boss that it couldn't be done without: (1) compromising the quality and reliability of the product (2) increasing the cost to manufacture the product (3) increasing the scr
Electronics Forum | Thu Mar 13 01:42:58 EDT 2008 | Sean
Thanks Real Chunks and Davef...Yours input is valuable to me. My inputs towards your question asked below: Questions are: * Why did you tell us the following? "This BGA is installed with heatsink (with hook at both side of the heat sink) manually b
Electronics Forum | Fri Mar 14 11:25:02 EDT 2008 | hegemon
ol' hege has got to agree with Chunks and Dave. Seems every time there is a problem, the finger is first pointed at the process. For my $.02 it doesn't matter if your process is 100% bulletproof, procurement will screw it up by finding a vendor that
Electronics Forum | Thu Mar 13 16:32:25 EDT 2008 | dyoungquist
MyData PNP machines are good for high mix/low volume because change over time between jobs is lower than with many other PNP machines. They also handle parts on cut tape strips easily and you will have these with low volume runs. As for lead free o
Electronics Forum | Thu Mar 13 19:32:19 EDT 2008 | ipdisplays
Thanks all for the advice so far. I'm definitely considering the 4C & the TP9-U. I've also seen a Zeva 575, Philips Eclipse, & Juki 720. These seem to be a little more expensive. Any feedback on these machines - is the extra expense worth it? How e
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