Electronics Forum | Tue Jan 03 08:17:53 EST 2006 | chunks
We have a conveyor then a FIFO in the middle and a conveyor and a Mag loader at the end. If your oven doesn't have SMEMA (like ours) then you need to the conveyor before each. We trick these conveyors by shorting out the in coming SMEMA so they con
Electronics Forum | Fri Dec 30 08:31:15 EST 2005 | davef
Last we knew, DEK and MPM each had 50 percent market share and the other printer equipment makers shared the remander of the market [bubkes]. Frost & Sullivan [ http://www.frost.com ] published "World Surface Mount Technology Screen Printers Markets
Electronics Forum | Wed Jan 11 10:08:58 EST 2006 | samir
I agree with URL. We made a mistake years ago paying a consultant for something that can be done your in-house technical staff. The consultant took a bunch of notes and suggested we all wear "finger cots". His solution didn't help us with our prob
Electronics Forum | Tue Jan 10 08:34:45 EST 2006 | jax
I am not sure how you know you have "Black Pad"... Did you have one of the boards Cross Sectioned and Analyzed by an outside source? If yes, I would go back to the Fab House for the total cost of the product you currently have at the full 200 piece q
Electronics Forum | Tue Jan 10 08:50:07 EST 2006 | Amol Kane
I read a paper somewhere that outlines a non destructive test for black pad detection. it showuld be on my hard drive. Black pad is as a result of impurities in the plating bath and poor process control. I shall dig up the paper and mail it to you if
Electronics Forum | Wed Jan 11 10:08:28 EST 2006 | muse95
This was the test method mentioned to me about 5 years ago, to use for testing for black pad, when we were evaluating the use of gold immersion for the first time. It is not practical for testing the entire surface of a PCB, but it should work well
Electronics Forum | Mon Jan 30 07:08:06 EST 2006 | Rob.
True, we weren't just checking for lead at the test lab we were also checking for banned substances in the plastics - PBB's & PBDE's which apparently appear a lot in the recycled plastics used in manufacturing connector bodies; & also the other banne
Electronics Forum | Fri Jan 13 08:59:29 EST 2006 | james
We built some boards with incorrect Bgas and we had to pull the bad ones off. I need to know if we need to bake the boards before we add the correct BGAs on and resend through the reflow? We need to get these boards shipped asap after we install th
Electronics Forum | Sat Jan 14 08:13:14 EST 2006 | gipos Mike
We are doing a lot of CSP-BGA rework with tacky flux from Senju Metal.Their flux is very good.We are buying directly from Japan 529D flux. We have reworked BGA processor plastic sockets of Fujitsu Laptops. What kind of flux you are using? Not all of
Electronics Forum | Mon Jan 16 09:08:33 EST 2006 | DannyJ
Has anybody tried this stuff? I was asked about it this morning and it sounds plausible from their website, minus "The small volume of spent material can then be inexpensively shipped back to P. Kay Metal for recycling" part. Website: http://www.p
