Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list  

Subject: Re: [Homebrew_PCBs] QFN32 breakout adapter

From: "Stefan Trethan" <stefan_trethan@...>
Date: 2006-10-24

On Mon, 23 Oct 2006 23:45:40 +0200, Leon Heller
<leon.heller@...> wrote:

>
>> Why don't you use paste and hot air? Works a treat, and gets the thermal
>> pad too if there is one.

> I've tried that, but I got shorts between the pads.

I've got bridges around the outside a couple of times, when i used too
much paste. But they were easy to clean.


> The iron worked very well, I was quite surprised. A via works fine for
> the
> pad, with PTH boards, by heating it up and feeding in solder. I suppose
> the
> same technique could be used with a home-made PCB.

I drill a large hole and fill it with solder/copper braid. Taking care not
to unsolder the thing.

ST