Electronics Forum | Mon Jan 11 09:00:17 EST 1999 | Kelvin Chow
Some of my friends ask me if sombody use lead free solder ball on BGA, espically PBGA packages. I wonder if 96.5Sn/3.5Ag (m.p .221 oC) or 58Bi/42Sn (m.p. 138 oC) would be suitable candidates? Do you have any experience on this subject? Kelvin
Electronics Forum | Wed Jan 13 00:38:06 EST 1999 | Chris G.
| I need leads on equipment vendors for selective soldering systems. I have information about ERSA and Seho already. I want to contact Air Vac in particular, but I can't find thier phone number. Thanks for the help | Another for your list. Gener
Electronics Forum | Fri Jan 08 16:31:05 EST 1999 | Jason Tomlinson
Our company is beginning to delve into some 20 mil applications and I'm curious to hear what kind of success others have had placing these components. What kind of fall out rates we might expect or any specific difficulties encountered and what acti
Electronics Forum | Fri Jan 08 08:46:56 EST 1999 | Tad Anderson
I am searching for application notes on the SOD-80. Also, I am looking for any problems that have been discovered while using it. Also, we are looking for the pick and place equipment upgrades that will be needed to use the package- Pricing, manufa
Electronics Forum | Fri Jan 08 06:49:23 EST 1999 | John W
I'm in the process of moving from water washable flux to a full no clean process for the wave soldering process, thing's seem to be going well (so far...). The one problem I still have is cleaning the wave solder carrier's to remove the no clean flux
Electronics Forum | Thu Jan 07 18:20:08 EST 1999 | Ryan Jennens
Congrats, Steve!!!! There was never a doubt in my mind that you would get it. By the way, do you have any ideas how I could solder this BGA down when all I have to work with is a roll of duct tape, a swiss army knife, some fertilizer and
Electronics Forum | Thu Jan 07 14:08:50 EST 1999 | C.K.
Has anyone done head-to-head comparison between these two? If so, what were pro's and cons of each? Which choice, if any, was made? We here are looking into implementing an SPC program for Wave Solder. The tool would be used once or twice, by ope
Electronics Forum | Thu Jan 07 09:54:18 EST 1999 | Kirk Heyde
We are struggling with an effective way to control our SMT processes. I'm curious as to what parameters other companies monitor in their processes and how to control the quality coming off the end of the SMT line. We are currently restricted to a b
Electronics Forum | Tue Jan 12 08:24:00 EST 1999 | Dave F
| We are struggling with an effective way to control our SMT processes. I'm curious as to what parameters other companies monitor in their processes and how to control the quality coming off the end of the SMT line. We are currently restricted to a
Electronics Forum | Sun Jan 17 03:17:38 EST 1999 | thebear
| What kind of equipment are you using to gauge the thickness of your stencil after it's used for some months? How to determin the condition of the stencil? Your input is much appreciated. | | Ken Mok, based in Shenzhen, China. | | | you ensure t
