Printed Circuit Board Assembly & PCB Design Forum
SMT electronics assembly manufacturing forum.
Dear all: We had a severe curvature in our boards after w... - Dec 31, 2001 by Hany A. Salam
Warp depends on: * How close the board gets to its Tg durin... - Dec 31, 2001 by davef
Thanks Dave , but what is meant by Tg & MLB ? Hany ... - Jan 03, 2002 by Hany A. Salam
Hany, Tg is "Glass Transition Temperature". For an inform... - Jan 03, 2002 by Scott Davies
Scott is correct. Expanding a bit, the SMTnet Library has a... - Jan 03, 2002 by davef
Thanks Scott: The Assembley is Mixid ( reflow then wavesold... - Jan 03, 2002 by Hany A. Salam
The Tg of the resin commonly used in FR-4 is 140�C. Conside... - Jan 03, 2002 by davef
Just thought of something. Sorry to be late with this. I... - Jan 03, 2002 by davef
Hany A. Salam