Electronics Forum | Wed Nov 03 08:51:54 EST 2004 | Chunks
This is easy! More zones means bigger process window and more thru-put depending on board size. More zones is always a good thing unless you're stapped for floor space. Just remember - the bigger the oven, the more it gets blammed for process prob
Electronics Forum | Wed Oct 27 13:20:47 EDT 2004 | DavidB
We are producing boards with Alpha 591S RMA No-Clean paste and are coating after SMC with Dow silicone ( toluene solvent based) conformal coating. We have experienced several failures due to soft shorts ( electrochemical migration?) We have also obse
Electronics Forum | Fri Oct 29 09:08:21 EDT 2004 | davef
Electrochemical migration under conformal coating: That's possible. Very few conformal coatings are water resistant. So, if you have ionic material on your board, standback. Uncured material under several IC: Materials like yours need moisture fro
Electronics Forum | Thu Oct 28 14:27:22 EDT 2004 | jdumont
Hi all, I will be looking into ovens shortly for our conversion to lead free. I hear and understand why our Heller 1088 oven wont make the cut for lead free (4 zones isnt enough). Can anyone recommend a good mid range oven? We have been very happy
Electronics Forum | Fri Oct 29 07:21:31 EDT 2004 | rlackey
We found BTU & Vitronics to be the best, The Vitronics looked a slightly better (and more expensive) machine, but on the other hand we've had completely trouble free operation from our old BTU's. Oh, and the fact that BTU are No.1 in the world, and
Electronics Forum | Fri Oct 29 16:28:19 EDT 2004 | hyabro
Specnor Canada has developped a very well performed equipment for lead free application.It calls Tornado series and they offer in five, seven, ten zones. These ovens are made of stainless steel parts and with a very competitif price. You can reach th
Electronics Forum | Mon Nov 01 15:50:25 EST 2004 | Chunks
Wow, I'm surprised everyone jumped onto the "Type Of Oven" bandwagon. Usually the type of lead free paste will determine your oven needs. Take these needs to most of the major oven makers and see if they can exceed these needs. Then take these ove
Electronics Forum | Thu Oct 28 17:05:28 EDT 2004 | albertoh
Hello everyone! I'm in charge to evaluate a new Dek Horizon screen printer what i would like to know is some feedback about this machine already in production. I'm interesting about down times, change over issues, friendly operation for production pe
Electronics Forum | Fri Oct 29 07:35:42 EDT 2004 | Paddy
Hello all, I am looking at doing some trials with underfill under 1mm pitch BGA devices. Can anybody share any good / bad experience with this process ? Also I probably will not be in a position to procure automated equipment so are there any man
Electronics Forum | Fri Oct 29 14:48:46 EDT 2004 | nxt
I was interested in obtaining any information from anybody who is utilizing a barcode label feeder in their SMT placement machine process. I have heard a lot of good things about Hover-Davis and was wondering if anyone had input on other barcode lab
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