Electronics Forum | Sat Jun 13 09:36:46 EDT 1998 | RNLM
| Is cost an issue? I evaluated Siemens Siplace about a year ago and the price per placement was twice what Phillips Machinery has to offer. We too are a high mix/low PCb count shop. Also, Siemens has many hidden costs and the references I talked
Electronics Forum | Tue Apr 14 09:38:07 EDT 1998 | Earl Moon
| We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X
Electronics Forum | Tue Apr 14 09:01:36 EDT 1998 | Justin Medernach
| We are having some difficulty soldering a 240 pin Altera device. We use Alpha WS-609, a very generic profile for that solder paste, and a 6 mil stencil with laser cut apertures (1:1 ratio). This is a 20 mil pitch device (aperture size is 10 mils X
Electronics Forum | Wed Jan 28 19:39:08 EST 1998 | Steve Gregory
| | What is the lifetime for a typical solder paste ? | | How long can boards be stacked waiting before the paste goes off ? | Lifetime and tack time depends on: | - Manufacturer | - Flux/mixture | - Environmental conditions | Typical lifetime is dep
Electronics Forum | Mon Dec 08 07:44:03 EST 1997 | Mika Johnsson
| I would like to hear from anyone producing high mix (~200 modules) with low volumes (5-2000 per year) using an automatic line running lot sizes in the 5-50 range. We are engaged in an investigation to invest in this capability. A view into the or
Electronics Forum | Thu Aug 23 20:51:15 EDT 2001 | davef
Every thing you need is in "links" here http://packaging.hp.com/. The only thing you need to do now is find it. Ah, so much information, so little time. Yeh yeh yeh, nice little ESD bags are good. Er, maybe sealed barrier bags might be better. E
Electronics Forum | Thu Sep 27 11:02:12 EDT 2001 | jdtpfacreate
Dave, I agree with most everything you have put forth in response to the blatant sales pitches. I myself have been guilty of coming close to this point. The one thing that I don't agree with you on is this point: * When sales types mention on
Electronics Forum | Tue Nov 27 15:52:32 EST 2001 | mparker
Rather than let an educational pursuit decide what you do in the real world, why don't you consider what it is you really want to do after college. A BS in Electronics/Communications is more general, having Information Technologies (both hardware an
Electronics Forum | Thu Mar 06 12:15:00 EST 2003 | msivigny
Hello Dave, First you must make sure your measurement system is calibrated for accuracy, repeatability and reproducibility. We perform a standard GR&R Study on our CmController system on a regular basis to ensure that the system itself is capable to
Electronics Forum | Wed Apr 16 16:55:38 EDT 2003 | russ
Thanks for the info, Here is a couple more questions (and you thought you were done) What size are these caps /res? how thick is your stencil? what type of oven are you using? what is the finish of the board? Anyway, it seems like (from a distance)t
