Electronics Forum | Thu Apr 25 09:34:24 EDT 2002 | fmonette
Michael, By the way, the default bake duration should be 48 hours at 125C instead of 24 hours. The shorter duration was based on a standard that is now obsolete. The current revision of J-STD-033 includes a variable duration bake table, based on co
Electronics Forum | Wed Feb 20 02:20:10 EST 2002 | madreindeer
All, Thanks for your answers and (CAaaaaal)yes I would like to have a detailed list please. This is a new field to me as I do have to look after a production in Europa and far east. Most of the times money is not a problem but,They want to know ho
Electronics Forum | Wed Feb 27 11:51:18 EST 2002 | jax
Doug, Depending on the machines in question, the release characteristics change. Most of the mechanically driven machines simply stop the vacuum by lowering the nozzle and release the stored vaccum at impact when the nozzle starts to compact back int
Electronics Forum | Thu Feb 28 20:55:31 EST 2002 | djarvis
Hi Nightbull, I'm with Dave. Don't see the need. Good stencil, good operator, reasonable machine with at least manual vision alignment, good set up, solder paste that satisfies you and the customer, regular maintenance, and how can you go wrong? As
Electronics Forum | Thu Mar 28 03:19:54 EST 2002 | Opor
Hi All Does anybody have done the profiling board life time experiment? What is the proper life time of FR4 profiling board? How can we know when the profile board or thermocouple should be change?How to use dummy board instead of using gold/real
Electronics Forum | Fri Apr 12 16:02:49 EDT 2002 | jersbo
Ive been using CC for a few years and dont know of an easy way.. However heres what I did to remedy package definition so that when I make a program I dont need to define all packages on the machine... I exported all of our existing programs(text fi
Electronics Forum | Fri May 31 16:16:42 EDT 2002 | Ozzy
Does Fuji even make the QP-132 anymore? I have not seen it at Apex for the past 2-3 years. This "inflexible" dinosaur was a commercial disaster for Fuji. Philips/Assembleon has sold countless more FCM than Fuji QP-132. The problem with both machines
Electronics Forum | Wed Apr 17 02:30:03 EDT 2002 | seje
Hello. There is been a lot of talk about thick plastic stencils vs. metal stencils for adhesive printing, but how about thin plastic stencils? We used to use a very thin plastic stencil (from loctite) with printgap (=snap-off) to adhesive printing
Electronics Forum | Fri Apr 19 12:39:10 EDT 2002 | Yannick
Hi Our compagny is in a high Mix, low quantit� production, We have so much trouble with the IC because the buyers don't wnat to pay to have the IC in a reel so we use a vibratory. Some operator are very good to make the vibratory work well but so
Electronics Forum | Fri May 31 10:35:46 EDT 2002 | dason_c
I think that the IPC spec only apply to the MSD. I had a paper from Lucent and forwarded by Francois Monette, please aware that the first 2 hours, the moisture doesn't bake out from the assembly/component and result show that it is increase the weigh
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