Electronics Forum | Tue Aug 10 12:51:59 EDT 2004 | robert.barr@xensor.com
WE CAN'T SEEM TO FIND A BOARD HOUSE THAT CAN SEPERATE OUR PCB ASSEMBLIES WITHOUT CRACKING COMPONENTS. BEEN THROUGH TWELVE OF THEM. IS IT OUR PROBLEM OR IS ANYBODY ELSE HAVING ANY TROUBLE WITH THIS.
Electronics Forum | Mon Jan 17 17:20:40 EST 2011 | dyoungquist
The cut can be as close to the component as you want as long as you do not damage the component or any surface mount pads/traces/through holes/internal pcb planes etc.
Electronics Forum | Wed Sep 15 11:33:12 EDT 2004 | sue ph
We are building seven different assemblies that have flex circuitry that go off in four different directions within the panel. The panels are square to facilitate flow through smt & wave solder and depanilized in solder touchup. Currently, we are usi
Electronics Forum | Tue Feb 28 16:58:39 EST 2006 | PWH
Too fast heating/cooling rate in reflow (look at mfg's spec.). Z "overdrive" on pick and place or chipshooter though unlikely I would say. Depanelization method (bending a scored board to break it is tough on things). Bad PCB design - cap. too clo
Electronics Forum | Tue Mar 20 20:14:40 EST 2001 | davef
Electroplating [electrolytic] and dipping [HASL] are the two methods for applying solder coatings to features on boards. Disadvantages of electroplating lead / tin are: * "Weak knees" created at the edge of plated through holes. [I used to get weak k
Electronics Forum | Mon May 02 10:49:10 EDT 2005 | pr
We are using a UP2000 so I'm not positive on this but.... The squeegee stroke will have to be taught by and the software will walk you through setting the stroke. What do you mean by "where it drops the pins to load/unload/locate"? If you follow th
Electronics Forum | Mon Feb 13 22:37:40 EST 2006 | KEN
Cleaning no-clean is the pitts. If cleaning required migrate to water soluble. Can IPC help here? No cleans only need to be removed per IPC if the joint inspection is inhibited...and in general if form-fit-funciton is not achievable. But then th
Electronics Forum | Sat Sep 29 19:04:13 EDT 2012 | e_music
Hello, I have just installed the demo version of GC-Powerplace. Could anyone here walk me through the process to generate pick and place file from gerbers? I don't have solderpaste layer. All I have got is signal layers (top/bottom), soldermask, sil
Electronics Forum | Sat Aug 01 02:38:50 EDT 2015 | sarason
Is the company near to you, if so walk up to the back door, with a load of cash in hand and a suitable container. Another option get your hands on their formula and have it made up by a chemical batching company. If you can't do that get the MSDS and
Electronics Forum | Wed Oct 27 22:58:56 EDT 1999 | Jeff Sanchez
Hany, John is right! How do I know cause I have a metal wire floor. I was faced with the same problem you are faced with now and the price was up there. I had one advantage, My floors where raised wood when we got the shop. This reduced the fati
