Electronics Forum | Sat Sep 27 09:32:36 EDT 2003 | mantis
All, I was wondering what causes the corners of a bga to lift during reflow process.Now just to clarify i have been running this one particular product for 4 years and i have the process and reflow profile down to a tee.But recently i have witnessed
Electronics Forum | Wed Oct 01 13:39:13 EDT 2003 | arturoflores
They take the solder in a dip and look solderability test but when in normal reflow process we got some pins that do not get wet and the appearance is as follows: -Pillow effect on the toe(no front fillet is formed) -There is a sheet of flux between
Electronics Forum | Wed Oct 01 10:20:48 EDT 2003 | caldon
www.smtmag.com has Step-by-step articles written by OEMS...Just type in Step-by-step into the search engine on the website...sit back and enjoy the links. Also, http://www.smtinfocus.com has a brief snip-it as well. You may want to do a search for
Electronics Forum | Tue Oct 07 08:59:33 EDT 2003 | caldon
Will Philadelphia Work? My SMTA colleagues and I are putting together a Q/A. We will be having a panel discussion on Lead free on Oct 29. The panel is made up of industry leaders. Aim Solder- David Suraski, Cookson/Alpha/Electronic Assembly Materials
Electronics Forum | Fri Oct 17 16:30:23 EDT 2003 | Dennis O'Donnell
Precision PCB Services, Inc. will be offering training and consultation for Lead Free Technology. We are in process of putting together our new class outlines. Outlines, pricing and details will be posted on our web site in November 2003. We will
Electronics Forum | Fri Oct 24 16:59:51 EDT 2003 | Ming Diaz
Wish I had read your post sooner. Kester University gave a free seminar at Bethesda, MD 15 Oct. All day, food included, about Lead-Free Assembly. I went, it was worth the two hour drive. Call 800-253-7837 if you want future information. Also th
Electronics Forum | Mon Oct 27 08:28:57 EST 2003 | caldon
Ming- You are correct ACI does have training...and aslo they will be working with the local SMTA for a lead free day on Nov 20th I think. Please contact Jeff Stong at jstong@aciusa.org. They alao have a free session on Nov 4th where Kester and Metcal
Electronics Forum | Thu Oct 02 13:37:52 EDT 2003 | gregp
"Proper industry naming conventions" I believe does not exist. You must make your own comprehensive convention and force all those that create the new package types to first scour the database to see if the part already exists. Sometimes it will be
Electronics Forum | Mon Oct 13 13:10:06 EDT 2003 | cyber_wolf
We have Mydata's and I know exactly what you mean. If you are starting from scratch I would suggest that you get yourself a photo album or something similar. When you get a new part, name the package and stick it in your album with the package name a
Electronics Forum | Thu Oct 02 17:54:46 EDT 2003 | davef
Yes, Russ IPC-6012A w A#1 - Qualification & Performance For Rigid Printed Boards talks to solder mask requirements in 3.8. One interpretation of what it says: * Solder resist [solder mask] must meet the qualification / conformance requirements of S
