Electronics Forum | Fri Aug 27 13:31:47 EDT 1999 | swsng
1.5 FATOR FOR 20MILS QFP REDUCE 2 MILS HEEL AND INCREASE 2MIL AT TOES AT SIDES -1MILS EACH. SWSNG
Electronics Forum | Mon Jul 26 20:34:30 EDT 1999 | Steve Gregory
Just go look at the thread on stencil cleaners started by Scott Davies in the March 1-15, 1999 achives if you want to see some juicy stuff...then make your mind up about vendor inputs. Pretty obvious if you ask me... -Steve Gregory-
Electronics Forum | Fri Nov 09 10:25:43 EST 2001 | steven
is it all right to reflow a BGA using a rework station but without applying a layer of solder paste on pcb. the diameter of the solder ball is 0.75 and the pitch is 1.5mm.
Electronics Forum | Wed Dec 19 09:23:47 EST 2001 | davef
Bow & twist for bare boards and panels: IPC-A-610 1.5% for PTH only and 0.75% for SMT
Electronics Forum | Mon Feb 02 16:42:03 EST 2004 | davef
Bow & twist for bare boards and panels: IPC-A-610 1.5% for PTH only and 0.75% for SMT. So, what are you doing to these poor boards to make them warp?
Electronics Forum | Thu Aug 19 03:21:19 EDT 2004 | Evtimov
Hello all! Can you tell me what is the allowed offset for placed SMD component? Let's say for 0603 package(1.5mm,0.75mm the offset could be 0.2mm in X and Y ....) Where can I read about it? Thank you in advance.
Electronics Forum | Thu Dec 09 09:56:19 EST 2004 | russ
Indium has some alloys that are very close to this but not exactly. You may want to contact them if nothing shakes loose from here. www.indium.com Russ
Electronics Forum | Thu Dec 09 11:55:06 EST 2004 | Joel Dudley
Sorry about that. It is supposed to be a 5 SN. I typo'd.
Electronics Forum | Thu Dec 09 17:29:48 EST 2004 | davef
Try: http://www.cranesolder.com Also, maybe ESL, in addition to Indium that Russ mentioned.
Electronics Forum | Mon May 02 18:40:50 EDT 2005 | russ
I don't know what machine type you have or what the nozzles look like but we use a standard nozzle with an I.D. of either .8 or 1.5mm. We rotate and pick up the part somewhat slowly.
