Electronics Forum | Fri Jan 15 09:11:28 EST 1999 | Steve Gregory
| Due to an foul up on my part, a circuit board ECO snuck up on me and I have a solder paste stencil that doesn't quite match the board. Two pads are off by about half a pad each. | | Can the solder paste stencil be modified? If so, what is the tec
Electronics Forum | Fri Jan 08 13:22:11 EST 1999 | Earl Moon
| This is a question for those of you who actually assemble components onto a board. | Any idea what the "industry standard" is for fall out on assembled PCB's? I realize that the controls put in place in your processes will effect your overall qua
Electronics Forum | Fri Jan 08 21:46:49 EST 1999 | Dean
| | This is a question for those of you who actually assemble components onto a board. | | Any idea what the "industry standard" is for fall out on assembled PCB's? I realize that the controls put in place in your processes will effect your overall
Electronics Forum | Wed Sep 23 20:42:10 EDT 1998 | Steve Gregory
Boy Chrys, aren't you lucky? Too busy to mess with that stuff huh?...must be nice!! Ya' know, it doesn't say much for the design, or the design-er when you see a bunch of wires on board, but if the person who does the jumper wires is good, and take
Electronics Forum | Tue Jul 28 17:35:07 EDT 1998 | Brian Stumm
Steve, I know it is tempting to go for the cheapest method of applying conformal coatings but I must warn you. If you are a contract manufacturer then you don't want to limit yourself in the types of coatings you can work with. Just as soon as you se
Electronics Forum | Tue Jul 28 17:44:03 EDT 1998 | Brian Stumm
| Steve, | I know it is tempting to go for the cheapest method of applying conformal coatings but I must warn you. If you are a contract manufacturer then you don't want to limit yourself in the types of coatings you can work with. Just as soon as yo
Electronics Forum | Thu Jul 02 15:23:15 EDT 1998 | Justin Medernach
| | I'm having a problem getting good reflow on gold sufaced boards. The profile looks good and I have adjusted it both hotter and colder and adjusted the various times ( soak, reflow ) to no avail. What realy gets me Is that a month ago we built som
Electronics Forum | Tue Apr 21 20:58:11 EDT 1998 | Steve Gregory
Mike wrote: ...I did buy "Surfboards" built for this purpose but they averaged about $5.oo a piece, and when your running 20 trainers, and they still have to be soldered in place. $5 a test is kinda high when evaluating a 32 cent chip...(snip) Hi
Electronics Forum | Tue Apr 29 14:13:52 EDT 2003 | stefwitt
My opinion to hold on to your machines was based on the current market situation. First of all, I don�t believe that a customer with ten boards will go to China for prototype production. Truth is, that the remaining market here is the prototyping mar
Electronics Forum | Mon Jun 28 10:03:22 EDT 2004 | davef
First, welcome to your new job. Second, IPC-TM-650 2.6.14 is only loosely an �Ionic Contamination (Electromigration) Test�. * Electromigration Test, IPC TM 650 2.6.14, 2.6.14.1 * Ion Chromatography for Ionic Cleanliness, IPC TM 650 2.3.28 Third, I
