Electronics Forum: moisture reflow (Page 1 of 36)

BGA solderability / moisture

Electronics Forum | Mon Feb 11 13:28:36 EST 2002 | stepheno

We have some BGA's that don't solder very well. They weren't properly stored in regards to moisture protection. The balls look dull and rough. After reflow there seemed to be a diffinate line between the balls and the solder on the PCB's. I think

Re: Classification of moisture sensitive devices

Electronics Forum | Thu Aug 26 08:54:17 EDT 1999 | Dave F

| Having implemented the process of handling moisture sensitive devices our logistics department tries to classify all parts according to their moisture level. | Going through datasheets wasn�t that helpfull, so does anyone know of a source for that

Re: Classification of moisture sensitive devices

Electronics Forum | Thu Aug 26 10:21:22 EDT 1999 | John Thorup

| | Having implemented the process of handling moisture sensitive devices our logistics department tries to classify all parts according to their moisture level. | | Going through datasheets wasn�t that helpfull, so does anyone know of a source for

Re: Classification of moisture sensitive devices

Electronics Forum | Thu Aug 26 10:49:36 EDT 1999 | Wolfgang Busko

| | | Having implemented the process of handling moisture sensitive devices our logistics department tries to classify all parts according to their moisture level. | | | Going through datasheets wasn�t that helpfull, so does anyone know of a source

board delaminated after reflow

Electronics Forum | Tue Apr 07 22:34:14 EDT 2009 | 1036

Board delaminated after reflow - see attached picture. Does moisture cause this problem?

double side reflow soldering

Electronics Forum | Wed May 15 12:55:11 EDT 2002 | fmonette

Hi Dave, The short answer is "not any significant amount" of moisture is removed during reflow. The temperature excursion is much too short. If you look at the physics of moisture diffusion inside a package you will see that only the surface moist

double side reflow soldering

Electronics Forum | Wed May 15 09:46:15 EDT 2002 | davef

Francois: How much moisture does a typical reflow cycle remove from popular SMT packages?

Re: Popcorn @ reflow

Electronics Forum | Thu May 20 15:07:12 EDT 1999 | JohnW

Earl, your colourful impressive descrptions are a joy to read..well lighten's up my day but maybe it's just me...ummmm..? anyhoo, Omat, as Earl has said ..this is a moisture sensative problem basically the reason you blow the shit out of the compon

Re: Popcorn @ reflow

Electronics Forum | Sat May 22 19:38:59 EDT 1999 | Omat Marasigan

| Earl, | | your colourful impressive descrptions are a joy to read..well lighten's up my day but maybe it's just me...ummmm..? | | anyhoo, Omat, as Earl has said ..this is a moisture sensative problem basically the reason you blow the shit out of

Re: Popcorn @ reflow

Electronics Forum | Fri May 21 13:57:02 EDT 1999 | KA Stillings

| | hello...can somebody help me regarding the POPCORN at Reflow. What is this POPCORN at reflow, what it looks like, its cause and corrective action if there is... | | | | your help is greatly appreciated...thanks | | | | omat marasigan | | | |

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