Re: SMT mounting question

From: Ojala Pasi 'Albert' (
Date: 2002-10-16 08:40:43

> I don't have any personal experience on soldering BGA, but have you
> considered mounting the chip on the board with some heat-resistant tape
> or glue, and then putting it in an oven?

You can "solder" BGA chips quite easily with a hot-air blower:
put the chip into the approximate position, then heat it with
the blower. When the solder melts, the chip will align itself
automatically. Then very carefully remove the blower, i.e.
increase the blowing distance so that the chip remains aligned.

A normal hot-air blower for hair probably doesn't have enough
power for this though..

"As well try to understand the sun, Perrin. It simply is,
 and it is not to be understood. You cannot live without it,
 but it exacts a price. So with women."
	-- Gaul in The Wheel of Time:"The Shadow Rising"

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