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Old 22nd January 2012, 02:22 PM   #1
diyAudio Member
Join Date: Dec 2011
Default Flux Pen?

What is the Flux Pen for? I was told you put it on the PCB board in the middle of very tiny pieces and they will stick to it. I tried this and it doesn't work. And yes, I pushed it down at first and it came out. I have this:

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Old 22nd January 2012, 04:53 PM   #2
godfrey is offline godfrey  South Africa
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Join Date: Nov 2009
Location: Cape Town
It's to help with soldering. Use the pen to put some flux on the copper, then it will be easier to solder onto the copper.
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Old 22nd January 2012, 04:57 PM   #3
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Join Date: Dec 2011
Oh alright that sounds good, I will try it then.
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Old 22nd January 2012, 09:40 PM   #4
pski is offline pski  United States
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Join Date: May 2011
Location: Flatrock Community, GA, USA
I've only soldered for decades.

If the flux isn't in the solder, check back after decades.
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Old 23rd January 2012, 11:04 PM   #5
Enzo is offline Enzo  United States
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Join Date: Sep 2004
Location: Lansing, Michigan
There is a ton of reflow work, all that surface mount stuff for example, where you are not feeding solder from a roll into each joint. A dose of flux on the board before soldering down a huge LSI makes it a lot easier.
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Old 26th January 2012, 02:50 PM   #6
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Join Date: Dec 2011
Thanks guys!
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