Electronics Forum | Wed Jul 11 20:17:05 EDT 2001 | davef
I�ve written a review to be published in an up-coming SMTnet Newsletter of �Printed Circuit Assembly Design� Leonard Marks, James A. Caterina [Hardcover - 368 pages (July 26, 2000) McGraw Hill Text; ISBN: 0070411077]. In short, � In �Printed Circui
Electronics Forum | Thu Jul 12 21:41:35 EDT 2001 | mugen
A) Questions: 1) What sort of pallet materials used? 2) what PCB thickness & LxW size? 3) what stencil type & thickness used? 4) what profile type used (peak deg-C)? 5) any peak Deg-C contraints for the components SMT onto the PCB? B) We use pallet
Electronics Forum | Sat Jul 14 08:56:39 EDT 2001 | davef
Cal is right on target. I'll expand on his points. BGA solder perform suppliers: * Winslow Automation: http://www.winslowautomation.com/ * Galahad 12784 Tulipwood Circle Boca Raton, FL 33428 561-487-0271 galahad.inc@usa.netemail: BGAKIT@concentric
Electronics Forum | Sat Jul 14 10:34:42 EDT 2001 | davef
This portion of SMTnet is intended for people whining about the operation of the forums and what-not. A lot of the people asking questions like your use the production forum. We don't have an air knife on our wave, but I recall some threads on SMTn
Electronics Forum | Mon Jul 16 21:39:40 EDT 2001 | davef
The method you suggest is about the only way to �clean-up� this terrible situation. Realistically, this is a "memory" type condition induced by design, build symmetry, "cross ply construction", excessive cool down rates during lamination or reflow a
Electronics Forum | Wed Jul 18 08:00:48 EDT 2001 | davef
250C flass transition temperature - M = coloring agent or opacifier added to F resin with 110-150C glass transition temperature - N = natural color of resin - P = coloring agent or opacifier added to resin - T = natural color F resin blended with
Electronics Forum | Wed Jul 18 22:23:44 EDT 2001 | davef
First thing, I wouldn't buy new. There's tons of this stuff out there, the problem is finding the used stuff. One place to look is the SMTnet used equipment sales watteverzits called. Roland knows the name. Most work bench suppliers [eg, Arlink,
Electronics Forum | Thu Jul 26 13:17:45 EDT 2001 | Hussman
Most solder paste manufacturers will take a reasonable amount of paste back, just so they won't loose your business due to bad paste. But if you're asking to ask to ask - separated paste from flux is not a bad thing if the jar was never opened. Pas
Electronics Forum | Mon Jul 30 02:01:15 EDT 2001 | mugen
Hey....sneaky smartie here.... my finance manager, would love to have you on the MRB team.... Anyway, most technical paste specs, do highlight the possibility, should the paste become "dry" or "sticky", we MAY recondition the paste, by "place it fro
Electronics Forum | Thu Jul 26 21:16:18 EDT 2001 | djarvis
Dave, We don't do any inspection. Before everyone says "bull...t". Let me explain. We are an OEM. I spent six years in subcontractor hell and wouldn't go back for all the tea in China. It took me two years to convince them when I first got here but I
