Electronics Forum | Thu Jul 15 08:34:54 EDT 1999 | Mark Quealy
I use a Transition Automation Semi- Automatic stencil printer with laser cut frameless stencils. My solder paste is an SN63/PB37 RMA 291. I do not operate with in a controlled humidity enviroment. The room temp generally runs around 70 deg's but humi
Electronics Forum | Tue Mar 13 01:23:33 EST 2001 | JT
Dave is absolutely right. Leave the capital expenditures up to the engineer types. As you become more experienced, they might ask your opinion, but for now let them do their jobs. From the sounds of things, you might have began your career as an e
Electronics Forum | Thu Jul 15 12:35:19 EDT 1999 | Earl Moon
| I use a Transition Automation Semi- Automatic stencil printer with laser cut frameless stencils. My solder paste is an SN63/PB37 RMA 291. I do not operate with in a controlled humidity enviroment. The room temp generally runs around 70 deg's but hu
Electronics Forum | Tue Sep 15 16:41:50 EDT 1998 | Cunli Jia
Dear Dynapace and those who responded: Sorry we were not quick enough to delete this ad. However, this gives us a chance to discuss with both users and vendors on ways to facilatate the desemination of product informtion other than via the Forum lis
Electronics Forum | Mon Jan 10 11:08:39 EST 2005 | mrgman9999
We are having a problem with popcorning of a plastic BGA that has been under careful humidity control. We have had problems in the past and some have been related to too much trapped internal solvents from the die attach epoxy. We did a life time b
Electronics Forum | Thu Nov 25 17:32:54 EST 2010 | padawanlinuxero
Hello !!! Long time since I was here, I have a problem, I use a Electrovert EPK Plus solder wave to solder 8 leads the pcb is like a inche wide and 3/4 or less of height and the leads their size is .3570 inches long by .0195 wide and .0180inches th
Electronics Forum | Tue Jan 11 13:20:26 EST 2011 | methos1979
I can second the Unisoft Pronto software. We were in the same boat where getting centroid data files to program our AOI system was killing us. The Pronto software takes gerber files and BOMs and marries them into usable centroid data files for AOI
Electronics Forum | Thu Sep 10 17:10:00 EDT 1998 | Steve Gregory
Hi Tim, 8-mil huh? Boy, that's getting down there...you know, placing 8-mil is one thing, but printing solder paste on 8-mil pitch is another. Most of the time when I've seen 8-mil pitch on a board it's been attached with hot-bar...but I guess
Electronics Forum | Tue Jan 23 09:03:00 EST 2001 | fmonette
This guideline is actually in the IPC/JEDEC standard J-STD-033, May 1999 (although it is not spelled out very clearly, thus the current confusion in the industry). The technical reason is that moisture diffusion is a very slow process. Once parts ha
Electronics Forum | Thu Jul 15 14:09:23 EDT 1999 | MMurphy
| | I use a Transition Automation Semi- Automatic stencil printer with laser cut frameless stencils. My solder paste is an SN63/PB37 RMA 291. I do not operate with in a controlled humidity enviroment. The room temp generally runs around 70 deg's but
