On Tue, 10 May 2011 12:39:45 +0100, you wrote:

>On 10/05/11 11:04, Oli Glaser wrote:
>> Hmmm, that sounds like something is maybe not quite right with your
>> approach.
>> I would maybe try using normal solder and drag solder it.
>
>That's what I've started doing -- removing the solder paste, reflowing=20
>the board in the oven to mount the passives, then installing the FPGA=20
>with the soldering iron.

I do it the other way round - fine pitch devices go on first, and have a fe=
w pins tacked down during
placement - as long as it stays aligned, almost any amount of shorts can be=
 cleaned up easly with
braid, or by fluxing and reflowing a side at a time with a wide blade tip.

--=20
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