Electronics Forum | Tue Apr 20 10:37:27 EDT 2004 | rob_thomas
Debi, Both machines are good and will do a great job for you on Rigid as well flex circuits.Every Mfr.will come to your site and give you a piece of equipment on loan to try for a month hoping you'll buy from them.Why don't you arrange that little ex
Electronics Forum | Sat Apr 17 17:08:22 EDT 2004 | finepitch
Russ has a hint by saying "too long of a soak at too high of a temp or being in reflow for too long/hot". I think the board should stay in the oven for 3-4 minutes, spending 60-90 seconds of which during reflow. in order to stay in the oven for 3 m
Electronics Forum | Fri Apr 23 13:31:20 EDT 2004 | russ
The toes of leaded devices are problematic in fillet formation. A lot of the time they have the copper from the lead exposed so it becomes oxidized and won't readily take solder. Normally this is of no concern if the heel and side fillets are forme
Electronics Forum | Sun Apr 18 05:02:53 EDT 2004 | Rob
Hi, I am a Quality person (Metalwork fabrication and System assembly)but have not had any experience of SMT before. I am trying to put some SPC in place for reflow and others and have come across something I do not understand. Our current SPC Chart c
Electronics Forum | Wed Apr 21 00:14:10 EDT 2004 | ramanandkini
We wish to use rectangular 4 segment solar panels in our quartz watches & charge the battery. The size of the soalr panel is 18.20mm X 7 mm and the thickness is 1.15mm. The other popular application of this type solar panels is in calculators. These
Electronics Forum | Fri Apr 23 22:42:13 EDT 2004 | ethercom
Thanks for the input Pete. I am using CP4 8x2 feeders. I have tried first with 0.7mm nozzle. Although pick up was OK, the camera saw a pregnant 0402 part which is as you know is 1mm by 0.5mm. I then moved to specially made 0.6mm nozzle to minimise th
Electronics Forum | Tue Apr 27 17:37:30 EDT 2004 | Ren�
We have switched over form Indium's nc-smq92 to > nc-smq92j and are experiencing a ton of solder > balls. Even if the print is dead on we still seem > to be getting them. We never seemed to have this > problem with old paste unless the print was
Electronics Forum | Sun May 09 11:42:23 EDT 2004 | valuems
Hello Sam We will send you a e-mail and try to explain the problem's that you have. The first one is the 386, it is not a reliable piece of equipment. It has out lived it life time. The next one is the software that MPM sells today ( 4.1y) for tha
Electronics Forum | Tue May 18 22:12:52 EDT 2004 | Ken
I have considered using the same security methods employed at thousands of Gas stations across the USA. The bathroom key is attached to a large carburator, tire rim, or any 30 pound piece of towing chain! Seriously, I look at my processes and try a
Electronics Forum | Sun Jul 04 12:26:47 EDT 2004 | fastek
Sam- It all depends on what and how many boards you're trying to build that will determine if gantry or turret is the way to go. I like gantry machines and have been impressed by their increased performances over the last few years but they still hav