Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


SMT Process Control

Kirk Heyde

#13070

SMT Process Control | 7 January, 1999

We are struggling with an effective way to control our SMT processes. I'm curious as to what parameters other companies monitor in their processes and how to control the quality coming off the end of the SMT line. We are currently restricted to a batch process which does not lend itself to ICT testing immediately following reflow.

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Dave F

#13071

Re: SMT Process Control | 7 January, 1999

| We are struggling with an effective way to control our SMT processes. I'm curious as to what parameters other companies monitor in their processes and how to control the quality coming off the end of the SMT line. We are currently restricted to a batch process which does not lend itself to ICT testing immediately following reflow. | Kirk: Your question is very broad. What symptoms indicate your SMT processes are out-of-control? TTYL Dave F

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Dave F

#13072

Re: SMT Process Control | 12 January, 1999

| We are struggling with an effective way to control our SMT processes. I'm curious as to what parameters other companies monitor in their processes and how to control the quality coming off the end of the SMT line. We are currently restricted to a batch process which does not lend itself to ICT testing immediately following reflow. | Kirk: Look at "Circuits Assembly" 1/99, page 42, Dave F

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Reflow Ovens thermal process improvement