Electronics Forum | Mon Nov 26 16:07:56 EST 2012 | jerlong
Greetings, Does anyone know where to find a tape and reel flatness specification? Looking at the EIA 481-B standard, there is no reference to the tape flatness (the images shown may "imply" flatness from one side of the tape to the other, However I
Electronics Forum | Mon Mar 26 09:41:03 EDT 2018 | fuji_user_2014
Hi Gurus, Looking for alternatives to line makeup after reflow oven. Currently, I have a continuous on flat belt conveying out of my reflow oven straight to an EOL bench. The operator manually picks up the board off the belt (there is a roller at t
Electronics Forum | Mon Mar 26 16:58:53 EDT 2018 | solderingpro
Is there anything stopping you from replacing the flat belt solution to a continuous running steel roller chain conveyor? - From there (depending upon board temperature) you should be able to buffer your boards in a vertical buffer station if neede
Electronics Forum | Thu Jul 06 13:36:37 EDT 2006 | SWAG
We've had much trouble with flex circuits. As previously mentioned, you must have local fids for the board or the BGA itself (if panelized). Other troubles we experience are drilled holes for pinned connectors. Unless the PCB manufactur has some w
Electronics Forum | Tue Aug 10 06:58:48 EDT 2004 | dka123
dear all, kindly guide me for the use of space electronics hardware assembky of PQFPs and Cqfps, how to form the flat pack leads, bend for 240 pins of 20 mil pitch and what are the Mil standards for them.how to cut the lead guards.can we use FP5 elit
Electronics Forum | Fri Feb 23 08:28:11 EST 2007 | James
I just wanted to know if anyone stores their vacuum sealed bags on their sides instead of flat. We are trying to save room, but I dont want to create defects either. The ones we have are tightly vacuum sealed and would like to store on their sides
Electronics Forum | Mon Dec 22 14:52:18 EST 2008 | wrongway
We run our process like that all the time paste then glue we use same profile as if we were just reflowing paste once in a while we have A plastic bodied part that has that problem we asume it was some mold relase still on the part basicly comtamena
Electronics Forum | Fri Jun 19 10:03:46 EDT 1998 | Earl Moon
| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike Mike, We and ind
Electronics Forum | Mon Feb 18 09:38:30 EST 2002 | davef
Excuse me seeming to parrot Wolfgang�s posting, but he makes good points and I'd like to expand on them. I disagree that it's about disliking a "non-techie to post a reply/comment to the SMTNet forums." It's not about WHO posts. It's about WHAT i
Electronics Forum | Sun Nov 08 15:27:25 EST 2015 | davef
Thinner: Flux thinner, NOT paint thinner We kept a spare stone in thinner in inventory. We cut PVC pipe to size, cap in one end, screw thread on the other, stone inside, filled with flux thinner and covered with a screw cap. I don't remember who we
