Electronics Forum: reflow cem1 (6)

Disposition on Discoloration of Boards post reflow

Electronics Forum | Thu Dec 26 08:40:21 EST 2013 | vileo72

Hi , During one of NPI trial ,we found that boards ( CEM -1 grade )has got discolored on the masking portion ( and not on the conductors) after reflow .Although it does not impact our Form /Fit and Function characteristics , I would like to get your

Re: Printed Circuit Board Material

Electronics Forum | Wed Oct 18 16:41:35 EDT 2000 | Dave F

It's unrealistic to think that two materials with the following disperant properties would have the same reflow profile. From http://www.norplex.com/Carrier.htm Physical Properties / NEMA FR-4 / NEMA CEM-1 Glass transition temperature �C / 130 / 10

Express Newsletter: reflow cem1 (879)

SMT Express, Issue No. 3 - from SMTnet.com

that has fully reflowed is very square to the board

SMT Express, Volume 4, Issue No. 5 - from SMTnet.com

SMT Express, Volume 4, Issue No. 5 - from SMTnet.com Volume 4, Issue No. 5 Thursday, May 23, 2002 Featured Article Return to Front Page Book Review Reviewed by Dave Fish (davef ), Pandion Electronics, Inc. Title: Reflow Soldering


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