Electronics Forum: double side reflow move (Page 1 of 67)

double side reflow soldering

Electronics Forum | Tue May 07 22:25:15 EDT 2002 | L_ch

Hello, As you know for the double side assembly PCBs, we normally first place the bottom side, then place top side after reflow soldering of bottom side. are there any other considerations for the sequence of reflow soldering ( bottoms side first, to

double side reflow soldering

Electronics Forum | Thu May 09 16:04:07 EDT 2002 | stownsend

The lighter the component, the more likely it is to stick to the solder on the bottom reflow side. All boards I have worked with, the descrete components (R's and C's) are placed first (bottom side), reflowed, then the active components (IC's) are pl

double side reflow soldering

Electronics Forum | Thu May 16 15:37:45 EDT 2002 | Hussman69

I fit you in where you work!

double side reflow soldering

Electronics Forum | Wed May 08 09:40:33 EDT 2002 | Hussman69

One thing most over look is the time between the last reflow and the second print. You don't want to print on a hot board.

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?

double side reflow soldering

Electronics Forum | Wed May 15 21:45:31 EDT 2002 | ianchan

Hi mates, any production floor controls that are efficient and effective? to control MSD. am talking about practical shopfloor "good mfg practices".

double side reflow soldering

Electronics Forum | Thu May 16 15:31:50 EDT 2002 | cebukid

Sounds like this 'Hussmann ' character is taking credit for my findings again. You'd "fit right in" where I work. Heh he hehe hehe.

double side reflow soldering

Electronics Forum | Mon May 20 11:58:41 EDT 2002 | JoAnn

Greetings! The SMTA will be offering a course on this topic at SMTA International in Septmber. If you want a complete overview of this course please check out http://www.smta.org/smtai. Hope we might get to see you in September. JoAnn

double side reflow soldering

Electronics Forum | Mon May 13 10:37:56 EDT 2002 | fmonette

The other important issue relates to moisture sensitive devices (MSD). If you have MSDs on the first side, you need to track the remaining floor life of the components on the partially assembled boards between the first and second reflow. Contrary to

double side reflow soldering

Electronics Forum | Thu May 16 11:37:13 EDT 2002 | fmonette

My company offers a simple and cost effective control system for MSDs on the factory floor. It is a turnkey solution to comply with J-STD-033. If you want more information feel free to contact me offline. Francois Monette Cogiscan Inc. Tel : 450-53

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