Electronics Forum | Mon Sep 23 16:54:29 EDT 2002 | bdoyle
Actually I didn't really think it was that blatant. He has something that could solve the problem of the original poster. Instead of putting his company's brochure on the forum he just left it up to the original poster to make the next contact. Pe
Electronics Forum | Tue Sep 24 11:10:07 EDT 2002 | Gregg Temkin
I�d appreciate assistance in trying to resolve a placement/soldering problem. My company has designed a board which uses a large number of 0402 LED�s that are .028� high. The LED�s need to be soldered so that they point straight up and are not til
Electronics Forum | Sun Oct 20 12:49:11 EDT 2002 | johnw
Dave, I've had a few intersting conversations with Dr Lee, now there's a guy who know's stuff, but as it turn's out even he doesn't have all the answers on why things void. Many of his papers point towards oxides or contamination on the ball, so age
Electronics Forum | Tue Oct 01 16:19:35 EDT 2002 | dragonslayr
Hello all- I am am seeking information to the top 100 BGA grid patterns. I am planning to have a full sheet of stencil foil populated with these most common types. I will cut out the individual grid patterns and create my own mini stencils. In a 27
Electronics Forum | Wed Oct 09 11:59:56 EDT 2002 | slthomas
Is anyone out there aware of any standard or even a section of a standard that specifically addresses design guidelines for two-sided assemblies, particularly one that focuses on different processes? I'm being asked to produce information from said
Electronics Forum | Wed Oct 09 14:15:56 EDT 2002 | slthomas
Pardon the cross-post from the design board....I thought maybe I should query both populations. Is anyone out there aware of any standard or even a section of a standard that specifically addresses design guidelines for two-sided assemblies, particu
Electronics Forum | Thu Oct 10 17:08:09 EDT 2002 | russ
Sean, I personally do not have an issue with reps responding, actually I would encourage it! especially when someone is looking for a product or a process that is relevant to the reps scope of things. I do not like and I don't believe that it is ap
Electronics Forum | Mon Oct 14 13:05:42 EDT 2002 | stockley
I think Cal was only joking about posting resumes and in depth profiles... you were... weren't you? I really only work on the fringes of the SMT world these days and read the forum for amusement mostly. Aside from obscure facts about old Siemens mac
Electronics Forum | Mon Oct 28 09:48:10 EST 2002 | gregp
If I understand correctly you want to pick BGAs from the ball side using some type of vacuum arrangement. You will find that the reliability of this is dependant on the size of the balls and the pitch. The larger the balls and tighter the pitch, th
Electronics Forum | Wed Oct 30 01:23:22 EST 2002 | jasper
It has been my experience that when all > conditions are as they are supposed to be there > should be zero or very little deflection. When > you start placing components with pick and place > equipment that does not have a Z pressure sense, > yo
