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Old 05-16-2020, 02:11 AM   #1
myth77
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Default Replacing broken pads...

I know its insane and most of the time i use only jump wires...but sometimes when i see ripped bigger pads from board like from places where you solder bios or ite chip...i would like to make/reconstruct a new pad/pads. And it is not a problem to make it...the problem is how to glue it on board...thats where i am stuck...I tried with several glues and temperature resistance epoxies...but they all fail...when i put my solder pen..thats the end.
Maybe you have some experience on what glue or silicone to use?
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Old 05-16-2020, 05:02 AM   #2
SMDFlea
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Default Re: Replacing broken pads...

UV solder mask .
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Old 05-16-2020, 05:42 AM   #3
diif
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Default Re: Replacing broken pads...

I use this https://www.tme.eu/gb/details/ch-cw2...ronics/cw2500/
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Old 05-16-2020, 10:03 AM   #4
stj
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Default Re: Replacing broken pads...

if anybody wants uv solder mask, buy the blue, not green and never red.
remember the laser/led is closest to blue and cant penetrate the red or green chemical very deeply.
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Old 05-16-2020, 12:28 PM   #5
SMDFlea
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Default Re: Replacing broken pads...

Quote:
Originally Posted by stj View Post
if anybody wants uv solder mask, buy the blue, not green and never red.
remember the laser/led is closest to blue and cant penetrate the red or green chemical very deeply.
Thanks for the info, i have the green and it takes ages to dry. Can you recommend a good cheap UV lamp .This is the type i have,its crap https://www.ebay.co.uk/itm/MYLEE-Whi...G/173939501975

Last edited by SMDFlea; 05-16-2020 at 12:29 PM..
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Old 05-16-2020, 01:42 PM   #6
stj
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Default Re: Replacing broken pads...

unless it's water-thin it does take a while.
i have these:
https://www.aliexpress.com/item/32881835487.html
https://www.aliexpress.com/item/32971347194.html
https://www.ebay.co.uk/itm/113847584031
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