Electronics Forum | Wed Jun 24 03:20:08 EDT 2009 | hayee
Hi, I want to make a small setup for manufacturing PCB's based on SMD's for (pototyping boards, etc). I don't know clearly what are the equipments required for this purpose. I have an idea that we have to use (Pick n place station, Screen printing
Electronics Forum | Wed Jun 24 06:49:59 EDT 2009 | vetteboy86
I'm building a clamshell test fixture. I have all the pins and sockets to make a bed of nails. I purchased an enclosure. Everything else is pretty standard. I do not however have any information on pushpins. These would be inserted into the lid, then
Electronics Forum | Thu Jun 25 11:11:13 EDT 2009 | bruna
Hello, I want to hear some experience about selective soldering for PCB using nozzle plate and screens Do you have solder defects? bridges and insufficient soldering? How do you combat that? and about the screens you have good quality? What is the f
Electronics Forum | Sat Jun 27 11:47:58 EDT 2009 | grantp
Hi, That's an interesting idea, and should work well. Has anyone used this process before? If you were careful, you could even reflow the board with a heat gun, but at the very least, you would only need a simple batch reflow oven. Someone should m
Electronics Forum | Mon Jun 29 11:15:12 EDT 2009 | davef
Here on SMTnet, we've talked about using toaster ovens to reflow solder paste previously. Search the fine SMTnet Archives for more. Here's a clip from one of those threads: Look here: http://www.pcbexpress.com/stencils/stencil_article_page1.htm
Electronics Forum | Tue Jun 30 12:08:55 EDT 2009 | wrongway
sipad does work we used it on one assy it had a very fine pitch part on it and at that time our dek 260 wasn't up to the task along with our 8 mil stencils. we had no problems with it it was sticky enough to hold the parts on thur all smt machines.
Electronics Forum | Mon Jun 29 10:19:25 EDT 2009 | brandieatborisch
Are there any photos available of what good HASL finish looks like as opposed to not desired? I'm looking for something to use as an aide in inspection becasue sometimes boards at our facility are received with HASL where the solder is excessive cau
Electronics Forum | Wed Jul 01 11:20:19 EDT 2009 | Geo
It would, but is it correct? This is what QA came back with. "Think of a chassis, connected to earth ground, sitting on top of a mat. In this situation, we are bypassing the meg-ohm resistor to ground." If the mat, the operator and the test equipmen
Electronics Forum | Tue Jun 30 13:25:21 EDT 2009 | esolano
Hi, We are currently looking for a field service engineer/technician for one of our clients' Philips FCM II. The production site is in Richmond Hill Ontario, Canada. Please contact us at salestor@tekmart.com if you know someone in Ontario and/or you
Electronics Forum | Thu Jul 02 10:52:45 EDT 2009 | dyoungquist
For 0402s we use type 3 paste. We have .006 and .005 stencils. The .006 works okay but .005 seems to give us slightly better results. We use a 1:1 ratio for the aperture to match the pad, round pad not needed. With accurate placement and a correc
