Electronics Forum | Tue Apr 29 11:21:14 EDT 2008 | patrickbruneel
Verizon Supports Telcordia's Position on the RoHS Directive. New legislation known as "RoHS" (Reduction of Hazardous Substances) bans certain chemicals and metals from some electronic manufacturing. In order to maintain high and predictable network
Electronics Forum | Thu May 01 12:46:19 EDT 2008 | dphilbrick
Thanks for the link Samir. Although this thread does have some good info in it I don't think it is hitting the exact point I am trying to resolve. This seems to talk to a one profile fits all for running lead and lead free paste. I want to know about
Electronics Forum | Fri May 02 08:43:48 EDT 2008 | chineechooze
I am Indian and a guru in industry so let me answer questions one by one 1. What is the future status on thru-hole boars, are they going to stay for long time on a market? TRU-HOLE MAKING A BIG COME BACK. THEY COME IN THE LEADFREE NOW. 2. Which
Electronics Forum | Wed May 07 18:23:52 EDT 2008 | adamcrum
The reason my company was fined, was because they faile to file a one page document stating that they disposed of more than 100lbs of leaded solder in a year. The fine was not for creating toxic waste, as we diposed of the solder PROPERLY in accorda
Electronics Forum | Fri May 09 13:53:39 EDT 2008 | patrickbruneel
Link to the TRI reporting requirements: http://www.epa.gov/tri/report/rfi/rfi_ry2007%203_13_2008.pdf In contradiction to the more stringent TRI reporting requirements, I read an article not too long ago that the EPA was considering taking lead of t
Electronics Forum | Tue May 13 09:58:50 EDT 2008 | rgduval
Thanks, Dave, To the 183 TAL...I was just referencing a previous post I found in the archives. We checked the profile on the board this morning, absed on the temp info that AIM recommended, and found that we're above liquidous for nearly 2 minutes!
Electronics Forum | Mon Jul 14 15:25:52 EDT 2008 | patrickbruneel
CK, If the contact length with the wave is decreasing when decreasing the conveyer speed and visa versa you need to check the machines electrical or electronics something is very wrong. Contact length is determent by wave design, wave height, convey
Electronics Forum | Fri Jul 18 14:36:17 EDT 2008 | proy
I have a QFN which we are adding after process. (it was not available the day we ran the 4 prototypes.) We have removed most of the solder on all the pads, My plan was that a LITTLE solder on the center pad would wet and center the device (using a g
Electronics Forum | Wed Jul 23 03:04:57 EDT 2008 | gfro
Hello, We are using a PCB with thickness 3.2mm 4 layer and lot of through hole via's of diameter 0.4mm. We specified our PCB vendor to do plugging. Now we have big problems, that after 1..4 weeks we measure a low resistance between track's/via's of
Electronics Forum | Wed Jul 23 08:18:29 EDT 2008 | davef
Q1. Is this a standard process for plugging? A1. Not as such. We checked both IPC-6012 and IPC-SM-840. Neither comments on plugging. So, your fabrication notes rule the day. Q2. Is this okay for such thick PCB's or is it mandatory to use a special pl
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