Pulling pads

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Pulling pads

Postby fonddeath55 » Tue Mar 27, 2018 9:13 am

I'm having a problem where when removing the bga chip it pulls a lot of pads when the chip is separating from the board. Any ideas? My guess was to increase the heat.

Update:

I had too little flux under the chip because I thought too much would bridge balls. I added a lot of flux till the underside was soaked/filled and turned the heat up. After I had it separate with no pads pulled.
I also turned up the preheater and let it sit for longer at reflow temp. Now I never lift a pad.

Any advice would help.
fonddeath55
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Pulling pads

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