Electronics Forum | Thu Jan 19 20:40:52 EST 2006 | Gary Kemp
We are experiencing a blistering problem during our process of lead free assembly. The customer has supplied us with the bare fab rated at 140 Tg. I am under the assumption that the Tg rating should at minimum be 170. Does anyone know if there is
Electronics Forum | Tue May 16 07:32:05 EDT 2006 | aj
Contaminate your Leadfree Process with WHAT? What contamination are you concerned about? Its an oven - it doesnt care what you put in it... Your main concern is that you can achieve the desired Leadfree Profile...dont be confused or concerned whe
Electronics Forum | Sun May 21 19:18:52 EDT 2006 | grantp
Hi, I think you should be ok, as the contamination in a reflow oven is generally flux from what I have seen. I have never heard to the solder metals itself being inside the oven apart from some paste in hole we did that sometimes dropped a bit of so
Electronics Forum | Tue May 16 05:07:27 EDT 2006 | aj
Hi, I might have misunderstood your question but as far as I am aware a Leadfree Reflow Oven is exactly the same other than the adjustments required for your Profile... aj...
Electronics Forum | Tue May 16 13:36:10 EDT 2006 | Chunks
Good for you smtspecialist and your clean oven. It's always better to be too picky, cause once the goo starts dripping, they'll only blame it on your paste. Mistress? No, gotta keep gender out of the work place. How about "Connoisseur Chunks"? S
Electronics Forum | Wed Feb 21 14:14:11 EST 2007 | rgduval
Hi, Bill, Lead-free solder and paste manufacturers will be a great resource for you during the transition; they've tested their products extensively, and their application groups have been able to help me through the biggest changes. There are a fe
Electronics Forum | Tue May 16 08:42:12 EDT 2006 | smtspecialist
Thanks Chunks, I do have a very good maintenance done on a monthly basis to clean the accumulation of flux and I never saw nothing dripping, the operators says sometimes that I'm a bit too picky on the cleaning but that's the key to impress customer
Electronics Forum | Mon Apr 30 07:38:13 EDT 2007 | realchunks
If this takes off, can we expect to see posts like this: "My reflowed boards are fine, but my Pop-Tarts and bagels are coming out slightly burnt. I think my spike is too hot but my boss is blaming the lead-free cream cheese! Can someone help?"
Electronics Forum | Wed Jul 03 10:50:06 EDT 2019 | rgduval
An 8 zone oven will give you better thermal control over the whole process. It's useful for lead-free soldering, or for boards with varying thermal loads/shadowing, etc. You can make a 5 zone work for lead free, provided the boards don't have signi
Electronics Forum | Sun Jul 21 10:33:53 EDT 2019 | reckless
I use a lead free 3 zone essemtec oven which I love. It's on the smaller side (wish it was even smaller). It works fine in our application. Maximum width is 300mm and only uses 5-6kwh average (25A max). Made in Switzerland. For some reason I don
