Electronics Forum | Wed Feb 16 15:29:15 EST 2000 | John S.
My company manufactures electronic modules for the automotive industry. We have a current product that the customer would like a "heavy duty" version of. The module will have to handle roughly twice as much power as the original. A couple of compo
Electronics Forum | Mon Jan 15 11:45:39 EST 2001 | bdoyle
Hi guys, thanks for the feedback! Wolfgang - we're looking into making this forum similar to the old one (displaying messages instead of just threads on the forum homepage). In the meantime have you checked out the feature "While You Were Out" whic
Electronics Forum | Tue Jan 16 18:00:50 EST 2001 | mikestringer
Hi everyone I am in the process of reviewing our storage of SMT components. At the moment they are pretty much on open shelves in the factory environment. We endevour to reseal components labled 'moisture sensitive' in their original packaging, bu
Electronics Forum | Tue Jan 30 01:32:24 EST 2001 | PeteC
Bill, We do solderpaste reflow on through-hole here every day on plated-thru-holes. We do it on connectors only. It is a reliable process. We use no special profile. The stencil apertures must be modified for this process. Check out the IPC-7525 "St
Electronics Forum | Tue Feb 06 13:02:36 EST 2001 | kmorris
Hi all: We are seeing "solder webbing" on the bottom side of some of our PCBs after wave solder. The solder is sticking (like a spider web) to the solder mask on the PCB. This is only happening on 2 of the many PCBs we wave on that machine. Both o
Electronics Forum | Wed Feb 07 21:45:06 EST 2001 | davef
Since, 1996, Samsung has been the sole supplier of Quad component feeders. And I believe Samsung is the developer and producer of Quad�s Meridian placement machines. Quad has been fighting with Samsung for over a year [http://www.quad-sys.com/inves
Electronics Forum | Mon Feb 19 18:57:49 EST 2001 | davef
Expanding on the limit of the portion of gold acceptable in a solder connection [mentioned in an earlier post]: The embrittlement culprit, AuSn4, is 29 weight percent gold. So even if one had 100% tin as the solder alloy and 10% gold were dissolved
Electronics Forum | Mon Mar 05 18:56:47 EST 2001 | davef
Stefan: Thanks for the clarification on the Siemens machine operation. Yes Stefan, Germany and some other countries have wonderful apprentice programs. Generally, we Americans have the patience of a staving gerbil for such things. Is the ON butto
Electronics Forum | Tue Mar 13 13:15:59 EST 2001 | kerryn
Dear Dave and Mike, I do not normally respond to threads of the forum. However, I do enjoy reading other's comments. There is a lot of valuable information provided by both suppliers and users. You seem to be making light of Bill Schreiber's com
Electronics Forum | Mon Mar 05 20:53:32 EST 2001 | davef
When you say all over the board, please give more detail. Where are they located? [All over wave soldered portion, laminate only, solder mask only, solder only, specific components only, etc] When you say white residue, what color are they really?
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