Electronics Forum | Thu Jun 22 16:59:18 EDT 2000 | Lee
I'll be real brief, because of time, but feel free to contact me later (lgoldberg@chipcenter.com). There is big conceren (somewhat well-founded but a bit overblown) about lead form electronics products leaching into the environment when they are land
Electronics Forum | Mon Jul 02 14:47:24 EDT 2001 | gdstanton
Thanks. I saw your response to Gabby on May 23 2000. Sent a request to Christina Cotto at Reedexpo.com. She's going to send me copies of the Nepcon papers you referenced. Although, I did some guestimating and ballparked a monthly cost of $338k
Electronics Forum | Thu Jul 15 18:58:48 EDT 1999 | Earl Moon
| We are currently assemblying several different board type with gold plated lands with varying results. Can any of you that has successful experience in this area give me some pointers. What paste do you use? Do you use the recommended reflow pro
Electronics Forum | Mon Mar 15 16:01:06 EST 1999 | Earl Moon
| Does anyone have any recommendations on spray fluxers? Are there major differences between the high priced ultrasonic machines to the low priced flux/air spraying machines? We are going to be spraying an OA flux with 11% solids content. Are there a
Electronics Forum | Mon Mar 15 09:55:53 EST 1999 | Justin Medernach
| After rmoving a BGA (plastic)to correct unexplained shorts | I installed another BGA using flux only. | Checking on an X Ray machine and found two shorts. | | can anyone give a good explenation ? | | Thanks | | Ron | Ron, It could be a number o
Electronics Forum | Mon Dec 28 12:36:31 EST 1998 | Mark D.
We have a Vitronics SMR400N oven and many times need to use N2 inerting. My problem is that it takes close to an hour of operation to purge the system to achieve the desired O2 levels (~40PPM). This is not only time consuming but results in an inordi
Electronics Forum | Tue Dec 15 15:21:24 EST 1998 | Chrys
| SMTneters, | I'm famialiar with lambda, omega, and gemini waves but not with "A" wave. Can somebody give me an explanation? | | thanks | | Tom B. | Tom, The term "A" wave refers to an asymetrical wave. It's an Electrovert term that describes
Electronics Forum | Mon Mar 30 12:51:40 EST 1998 | Justin Medernach
| Hi | Anybody got advice on the online storage of sensitive ICs. ie dessicator cabinets with Nitrogen or dry air. I am looking at Nitrogen, but it is a costlty option. Appreciate any inputs. | Rgds | Liam Liam, Depending on the amount you need store
Electronics Forum | Mon May 20 10:49:12 EDT 2002 | geoff_goring
Are we saying then that IMC can occur at the solder / Cu pad join on the PCB when finished assembled? In our case we are being told that this process is starting before assembly. Is it fundamentally the same thing. i.e. will the Tin diffuse with th
Electronics Forum | Wed Jul 03 20:18:50 EDT 2002 | Dreamsniper
Vapor Phase, Nitrogen Oven, Convective Oven? Which among the above 3 ovens do I need to process my BGA's and Fine pitch on a 6 to 12 layer board. Which will give me best results? Inert type oven or just a convective oven? Another thing is what will
