Re: SMT mounting question

From: Brian Ketterling (
Date: 2002-10-17 01:54:41

>From: David Wood <>
>Subject: SMT mounting question
>Date: Tue, 15 Oct 2002 20:02:56 -0500 (CDT)
>Hey, I got a new toy (see links below) in the mail, and am wonderng if
>anyone has any clues about mounting such devices at home.  It's a tiny
>little BGA IC...

I've never had to solder SMT chips before, but I thought I'd pass along a 
technique I saw in a magazine one, for a hobby project using a surface-mount 
IC.  It called for low-melting point (about 200 degrees F, I think) 
indium-based solder paste (a quick Google check showed indium solder 
suppliers, so you should be able to order some).  The idea is to apply spots 
of the solder paste to the pads with something like a toothpick, set the IC 
in place, then float the board in a pan of almost-boiling water.  The author 
said it worked great.

-- Brian

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