Electronics Forum | Wed Aug 07 08:49:35 EDT 2002 | davef
What do you want to be certified? So, do you have a specification control drawing for each component that defines your expected performance capabilities for use by your buyer in acquiring these parts? If there is a reason to fabricate parts to your
Electronics Forum | Thu Apr 01 14:41:39 EST 2004 | azdback
Make sure that the image of the component in matches the way the actual part is on the feeder. To do this just go to your feeder status on the production screen, then click on the feeder that you want, in this case the one that has the sot-63 and now
Electronics Forum | Thu Aug 21 15:50:12 EDT 2003 | davef
Couple of points are: * You're technically correct that ball height has the potential to vary by 8 thou, but we never see that much variation. Ball heights within a lot of components vary just about nil. * When we place BGA, we smush them into the p
Electronics Forum | Tue May 28 21:00:59 EDT 2002 | davef
That is the rub here, isn�t it? For those posting, it�s easier [but much slower] to start a new thread than to search the archives. [And posters could view their issue so unique and novel that it could never have been discussed several years earlie
Electronics Forum | Sun May 05 08:13:14 EDT 2002 | andysi
I am curreently in my final year of my HNC Mechatronics course. In the project section I am reviewing several screen printers for their suitability to run a new product containing 0.5mm pitch components. I would be interested in anyones opinion in
Electronics Forum | Sun Feb 15 17:32:08 EST 2004 | brian bennett
i have always found any of the alcohol based solvents good.here in the uk we use the alpha make.with screen auto wipes i found the set up to be most important.i.e how many pcb's printed before wiping.i found running pcbs with bga and .50 pitch compo
Electronics Forum | Tue Oct 06 08:20:13 EDT 1998 | Charles Stringer
| Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | DPM is Defects per million, usually measured on components. We run a process consisting of small to medium batch
Electronics Forum | Mon Apr 11 05:44:27 EDT 2005 | Rob
You'll struggle to find low end machines that accurately and reliably place 0201's (despite some of the manufacturers claims). You'll also obviously need to place the larger components on the same platform, accurately which will really cost you.
Electronics Forum | Tue Oct 06 15:41:14 EDT 1998 | Mike C
| | Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | | DPM is Defects per million, usually measured on components. We run a process consisting of small to medium b
Electronics Forum | Wed Oct 07 06:19:30 EDT 1998 | Charles Stringer
| | | Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | | | DPM is Defects per million, usually measured on components. We run a process consisting of small to medi
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