Electronics Forum | Mon Mar 26 06:10:54 EDT 2007 | RH
Dennis: Have you considered Asahi as a solder ball source? Asahi Technologies has helped produce over 90 million Lead Free PWB assemblies worldwide and has extensive experience in Lead Free solder processes at Sony, Hitachi, and Thompson. Solutions
Electronics Forum | Mon Jul 23 11:44:40 EDT 2007 | davef
NASA-STD-8739.1, 10.2.3 Thickness Measurements. Thickness measurements shall be made on coupons processed at the same time and under the same conditions as the PWA. The coupon substrate may be any compatible rigid material with a smooth flat surface.
Electronics Forum | Tue Oct 07 12:35:10 EDT 2008 | andy_pal
Hi All, I am using COB on my DOUBLE SIDED PCB. lastly we used Eletrolytic Ni / Flash Gold Plating. Our Boards vias Failed the UL corrosion Test. we did some cross-section analysis and found 10.75 �m of Nickel and 0.022 um of Gold and as the Process
Electronics Forum | Wed Aug 10 10:14:18 EDT 2011 | lisalau
Below is a cheating experience from one of my friends. To all SMT friends___a cheating experience to share with you We made payment to Autento Electronics in Singaporen on OCT 30th,2009 to purchase Siemens Feeders,and they agreed to make shipment w
Electronics Forum | Sat Apr 21 04:39:45 EDT 2012 | brotakul
I am using different equipements for SPI such as Koh Young and Cyber Optics machines. I am looking for implementing a general procedure (SWP) for setting LSL's and USL's on the products on which the customer does not specify any limits on the solder
Electronics Forum | Mon Aug 20 07:17:36 EDT 2012 | ericrr
Hi we have Juki KE-750L's is there any program to work out how many parts left on the reel, on the machine, the placement program does have a option to keep this number, but once you finish the run and start a new run the figure is lost. Unless I mis
Electronics Forum | Fri Sep 07 16:10:07 EDT 2012 | ericrr
HO what a BIG twit I am, for wasting your time (and a few hours myself trying many options on google). It is not EG84 it must be E684, (I will have another look next time I go back to work) you see I know the value, I thought it was a new secret co
Electronics Forum | Wed Mar 20 16:10:27 EDT 2013 | woodsmt
Most pots have a drain system, but that is a scary thing to use. I have seen places that have plumbed it nicely with ball valves and such to control the flow into small containers, but still fraught with danger. I use small metal bread pans. I lad
Electronics Forum | Wed May 22 19:10:47 EDT 2013 | anvil1021
We do a lot of these devices and I guess I am not familiar the term "Dry Solder". The QFN device is not designed to have a drain hole, but needs to have thermal vias to control heat in most cases. We have used every possible gnd pad design and modifi
Electronics Forum | Mon Oct 20 14:56:51 EDT 2014 | rgduval
Progress!! Somehow, this morning I was able to get things almost working. I swapped cards 1 and 2 back, and then back again, so, in the same state as my last reply...set the default settings for the axes configuration...then, verified the addresses
