Electronics Forum | Fri Oct 24 20:53:53 EDT 2003 | pranav
I am re-designing a MLB Printed Circuit Board which has thro' hole chips and a BGA. I am planning to go for reflow soldering for the BGA on one side and wave soldering for the thro' hole parts on the opposite side. Is there any concern or any sequenc
Electronics Forum | Wed Jun 13 17:05:51 EDT 2001 | genny
Quick internet search revealed the following: http://www.cad2cam.com/HP_EGS/ also the following which looks like it copied some of the same info into its page: http://www.artwork.com/eesof/mds2dxf/mds2dxf.htm
Electronics Forum | Thu Sep 09 07:46:04 EDT 2004 | cyber_wolf
Does anyone know of a better way to inject grease into the cam follower bearings on top of the turret on a CP43? Fuji wants you to use a plastic hypodermic syringe.(It works, but it is kinda a pain in the a$$)
Electronics Forum | Mon Oct 31 11:06:43 EST 2005 | Amol
thank you steve, a follow up question....Is anyone following the JEDEC standards for labelling the LF boards as such?? if so, what are your thoughts?
Electronics Forum | Mon Feb 13 13:34:53 EST 2006 | pjc
Look for the following machines: Aqueous Technologies ECD EMC Austin American The above mfrs. make "industrial" grade dishwashers for assembled PCB de-fluxing. Search any of those names followed by "..... batch cleaner", and your search engine will
Electronics Forum | Thu Apr 17 20:29:35 EDT 2008 | lellis
Follow the traveller as per a engineer there shouldnt be a issue. If the engineer isnt correct the operator isnt to blame, unless they are not following the traveler or paying attention to parameters. Is the messenger to blame, who sent the message?
Electronics Forum | Tue Mar 25 08:29:33 EDT 2014 | sara_pcb
Please refer the attached jpegs, The problem is noticed after reflow soldering followed by conventional through hole soldering. Flux used one is MIL Std. Brush cleaning in IPA is followed after each soldering step. regards, R.Saravanan
Electronics Forum | Wed Jul 24 17:25:01 EDT 2019 | davef
Your solder stencil design should follow all basic rules for solder stencil design are followed in accordance with IPC-7525 including adherence to an area ratio of 2:3 or greater and an aspect ratio of 1.5 or greater.
Electronics Forum | Mon Mar 21 09:33:25 EST 2005 | davef
RoHS Substance||RoHS MCV Limits||Typical Testing Approaches Lead||1000 ppm* ||Wet chemical digestion followed by ICP (Inductively coupled plasma) or AAS (atomic absorption) spectroscopy ||||XRF (X-ray fluorescence) spectroscopy Cadmium||100 ppm ||Wet
Electronics Forum | Wed Jun 02 09:21:34 EDT 1999 | Dan Burnikel
Hello all I have a question concerning whether or not there is any special requirements to follow for assembly of a Polyimide PCB card. The customer has the following information on there documentation but since we have never built anything with Pol
