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August 2000

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Subject:
Manual soldering of PTH joint from component side.
From:
Ketan Bhatt <[log in to unmask]>
Reply To:
Ketan Bhatt <[log in to unmask]>
Date:
Fri, 18 Aug 2000 11:01:42 +0530
Content-Type:
text/plain
Parts/Attachments:
text/plain (33 lines) 
Hi TechNetters !!

I am facing  a typical problem. Our boards have 80~90 smt components on them
and all are on one side. Balance of PTH components are on both the sides so
after reflow, we use manual soldering.  I am looking forward to do manual
component insertion and soldering from component side to save time. My
question is - Is it the right way to  solder the component from comp side?
How do we ensure proper filling of PTH and proper joint at solder side?  We
are using no-cleaned cored solder wire from Kester. Presently we are using
additional flux but I want to eliminate it.

Looking forward to your answer. Thank you in anticipation.

Bye,

Ketan Bhatt
Secure Meters Limited.
India.

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