Electronics Forum | Wed Nov 18 14:42:22 EST 1998 | Dave F
| I heard somewhere that SMEMA has joined IPC, and that the association has decided to boycott Nepcon from | year 2000. Can anyone tell me if this is true | Nick: SMEMA and IPC are talking about merging (EP&P, 11/98, p 18). Below is a news release
Electronics Forum | Mon Jul 29 21:22:52 EDT 2002 | Yngwie
The customer said " The Nitrogen PPM is questionable". LIke what I said, as long as I have met the 10% RH, it should be OK, rite ? thx
Electronics Forum | Tue Apr 24 11:28:34 EDT 2001 | Barry
Anyone have any specific knowledge of SMTECH 100 i S machines and the pro's and con's. Does the machine capability rank as good bad or indifferent within the industry?
Electronics Forum | Tue Apr 27 12:32:53 EDT 1999 | Frank Hinojos
What is the current spec for sizing PCB pads for a land grid array? How about for a ball grid array? Are there industry spec's I can reference? Thanks, Frank
Electronics Forum | Fri May 17 05:12:51 EDT 2013 | ultimatejoker
What is the disadvantage of palladium plating instead of gold plating? I saw many advantage of palladium plating in term of hardness, wear resistance, and price but why most of the PCB Industries still use gold in PCB pad? Thank you
Electronics Forum | Sat Dec 15 10:36:25 EST 2001 | clarkk
Tried both, with no success. The big guys are pretty secretive about how they do things. The lawyer understands arbitration and things like that, but doesn't have a clue about customer furnished materials or volume pricing. I have found that IPC is w
Electronics Forum | Mon Jul 29 11:28:09 EDT 2002 | yngwie
Is there a difference between the Nitrogen cabinet vs Dry cabinet ? How does this helps in creating safe environment for MSD storage. I felt puzzled when my customer rejected me coz' I'm using the Nitrogen cabinet instead of dry cabinet. Except for t
Electronics Forum | Tue Mar 01 10:55:07 EST 2005 | spot
A lot depends on the complexity of the board/process as well as the amount of placements. If the board has few placements and the parts are not smaller that 0805 then doing all the rework after completion is ok. The human eye can only pick out obvi
Electronics Forum | Thu Jul 14 11:04:53 EDT 2005 | dougs
yes SPC can be used on a wave solder machine, you should use a c-chart to monitor the amount of defects per board or group of boards, this will let you know if your process is stable, as you improve your process you should re-calculate your UCL, hope
Electronics Forum | Wed Aug 13 09:20:05 EDT 2008 | wrongway
we tested this kind of part about 3 years ago did a few prototypes I did'nt know how it was going to work but our old amistar picked it and placed it just fine used a small nozzle with a o-ring on the end of it I think it did ok going across the wav
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