Electronics Forum | Mon Jan 18 14:01:47 EST 2010 | cl
Good Afternoon, Is this by chance a Pb BGA on a RoHS board? We had an issue with a Pb BGA on a RoHS board where we experienced "ball drop" on the Pb BGA. This was due to the heat required to reflow the RoHS paste. It was more than the Pb BGA could
Electronics Forum | Tue Jan 19 09:45:06 EST 2010 | pcbrookie
You nailed it. After some further investigation, it appears we had some old Pb version of this part that never got scrapped. Corrective action has been taken, and all the Pb parts have been disposed of. It makes sense that this would happen to the
Electronics Forum | Mon Jan 18 12:59:29 EST 2010 | deanm
Looking to find out what materials are commonly used for staking (aka. bonding) through hole components to the PCB in order to withstand vibration in a military (class 3) environment. Polyurethane coating would be applied after staking. I've found st
Electronics Forum | Thu Jan 21 18:11:24 EST 2010 | colormaker
I have a strange problem with 1208 resistors flipping off placed position. I have the same reflow settings that I have used for years with the same solder paste. PAste is only a few months old and it was used just 1 week ago without problems. Some re
Electronics Forum | Fri Jan 22 16:16:17 EST 2010 | stepheniii
My old boss bought some stuff to clean the lead off of gold fingers. At least that is what he thought it did. What it really did was remove the gold fingers. And quite well I might add. The short answer to your question is no. And if you replate mak
Electronics Forum | Fri Jan 22 14:41:19 EST 2010 | babe7362000
Can anyone help me with an AVX 500? Everything on the Machine works except for the camera. I get a light but no vision ( cant see fids or board). I traced the wires all the way from the Vision board into the computer to the top of the box where th
Electronics Forum | Wed Jan 27 22:39:46 EST 2010 | wmeliane
Thanks for the recommendations. We have settled on the new Juki CX-1. Juki states that the machine is a hybrid between a MCM placer and an SMT placer. This machine, if it is capable to do what Juki says it can do, is exactly the machine we need. Ma
Electronics Forum | Tue Jan 26 05:42:56 EST 2010 | dilogic
Our GSM1 with Flex2 heads started to generate occasional error message: "Axis head 1 theta positive lead error during move absolute command" and then stop. After palm-down it runs again for some time. Everything looks fine, so I have no idea where
Electronics Forum | Tue Jan 26 13:47:26 EST 2010 | swag
In addition to what Jeff wrote (I agree 100%) I would advise installing new theta drive belts on both heads. We had the same error at one time; if I remember right, I was told the new belts are better mat'l. It's likely your old ones are worn.
Electronics Forum | Tue Jan 26 12:18:38 EST 2010 | smt_guy
what made us to try it? after testing most general degreases including some electronic degreasers in spray can from reputable manufacturers without having success in achieving a clean and shiny (no stain) surface. we do not want to re-etch or use et
