Electronics Forum | Thu Feb 22 16:40:23 EST 2007 | mika
One of our customers that always was going for Ni/Au surface finish on RoHS PCB and our processs was adjusted for that, "whithout any problem". Recently they decided to switch to another surface finsh: PbFree HASL. What is that? Imersion tin/silver?
Electronics Forum | Thu Mar 01 19:27:48 EST 2007 | Wayne
Yes, I am currently using Viromet 347 at the moment for my SMT lines. 100-150, 35 sec 150-207, 40 sec 207-above, 80 sec peak temp: 225 deg C. It is compatible to SAC paste in term of solderability and wettability. But in term of mechanical property (
Electronics Forum | Fri Mar 02 09:19:31 EST 2007 | Rob
Hi all, We are looking at putting cutting boards into our goods in area - for opening sealed bags to check the contents and to aid in decanting, and would appreciate any relevant input. The components should never come into direct contact with thes
Electronics Forum | Wed Mar 07 11:59:54 EST 2007 | Robbie
Hi all, > > We are looking at putting cutting > boards into our goods in area - for opening > sealed bags to check the contents and to aid in > decanting, and would appreciate any relevant > input. > > The components should never come into > d
Electronics Forum | Fri Mar 09 11:18:29 EST 2007 | sliebl
Not affiliated with Contact in any way, but we do have 2 3AV machines, as well as a 3S. I've been operating/managing these machines for 11 years and we haven't gotten a build yet that we couldn't do. Are there occasionally strange components that we
Electronics Forum | Mon Mar 05 11:04:14 EST 2007 | Yngwie
We are exploring ways to reduce the waste of solder paste. Here are some of the ideas I have in mind: 1) To use paste supplied in Syringe instead of jar. Paste that are opened more than 8 hours will normally be discarded, so we are looking for ways
Electronics Forum | Thu Mar 15 17:19:03 EDT 2007 | bT_Solutions
By "digital video inspection system", I'll assume you mean AOI. I have only dealt with one AOI system, YesTech, and in my opinion I'd say that AOI is much more consistent and advantageous than manual microscope inspections. Specifically, with the Yes
Electronics Forum | Thu Apr 05 08:44:45 EDT 2007 | ck_the_flip
"Guest" is right, actually. CSP's are essentially BGA's, but typically the pitch and ball diameters are much smaller and in some cases, the pads of the CSP's can not be screen printed. If that's the case, you'd have to have flux-dip capabilities on
Electronics Forum | Tue Apr 03 13:10:15 EDT 2007 | slthomas
Personally I wouldn't count anything but minutes. You need to know how long it takes to perform each task in order to balance your line. What I'm gathering is that you've got one printer feeding 4 machines, all running different jobs or maybe a pai
Electronics Forum | Mon Apr 09 16:46:54 EDT 2007 | stepheniii
Basically its spec. gives surety regarding its > chemical and physical properties. if he doesnt > follow the spec then may be he may find good > physical soldering appearance but chemically it > may goes down through Electrical or Environmental
