Electronics Forum | Tue Jan 24 10:48:52 EST 2006 | geb
Hi, We are starting to have supplied to us by customers different colour PCBs, which affects the ability of our MPM AP-27 stencil printer to see the fiducials. Has anyone tried and found out what the best and worst colours/ materials are for the fid
Electronics Forum | Tue Jan 24 15:21:48 EST 2006 | billyd
Hi all. I'm about to invest in a BGA reballing kit, and was wondering if I could get some endorsments or at least some product reviews from any of you who may be now, or have in the past, used any of the kits out there. I'm looking to combine ease of
Electronics Forum | Wed Jan 25 17:12:41 EST 2006 | adrian_nishimoto
Billy, I think the most versatile kit out there is the RB-2000 system from Mini Micro Stencil. We have not run into a part yet that we could not reball, even ones with a raised encapsulated center. They even make custom screens that match the compo
Electronics Forum | Tue Jan 24 16:30:50 EST 2006 | gipos
Hi all, Does anybody have manual or any data for SURF systems 310 REFLOW OVEN ? It is very important for us.We shall be much obliged if you can spend few minutes to answer. We shall be happy if printed version is for sale out there. Thank you very
Electronics Forum | Wed Jan 25 22:42:23 EST 2006 | davef
We are considering replacing the lighting used in our manufacturing area. This is the overhead lighting, not task lighting for workstations. Currently, we have long strips of fluorscent light pairs that are spaced about 20 feet apart. The ceiling
Electronics Forum | Wed Jan 25 23:08:09 EST 2006 | nick
I'm having trouble identifying a Motorola Optocoupler. It is a 6 pin thru hole device with the following marking;"SOC839A". It also has the Motorola logo on it. I beleive it is a MOC8XXX part. Is there any way to confirm the exact P/N? Thank you.
Electronics Forum | Mon Jan 30 07:22:51 EST 2006 | Rob
Hi Nick, It's probably one of two devices - MOC8020 or MOC8021 depending on the CTR (Current transfer ratio). I have always used http://www.icmaster.com for older semiconductor datasheets. (Back in the old days we used to use the IC master data boo
Electronics Forum | Wed Feb 08 03:07:25 EST 2006 | Ajay SHarma India
Sir i have a question on Backing of Cards. pls. clarify me that Why we always do backing of cards(90 dC for 1hr. in a Oven) for the reflow process before printing the solder paste on the board. and same for the Curing process we are not backing the
Electronics Forum | Fri Jan 27 08:17:13 EST 2006 | Chunks
Why do your boards need so much attention coming right out of the box? I've worked at several companies and have gotten boards from dozens of board vendors, but none had the debris on them like yours. Even at my currnet job, about 7 different stick
Electronics Forum | Tue Jan 31 03:34:50 EST 2006 | chadnugent79
If you are sure that your part data is correct, have you checked the calibration of Z origin? Are the parts leaving an impression on the paste or is there no indication of an attempted place. How small of resistors are we talking 0402, 0603, 0805?