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Subject: Re: [Homebrew_PCBs] soldering surface mount without solder resist.

From: Mitch Davis <mjd@...>
Date: 2013-02-15

On Fri, Feb 15, 2013 at 11:01 AM, Dylan Smith <dyls@...> wrote:
> El 14/02/13 21:53, scubadogct escribió:
>> I have soldered surface mount before but only when there is a resist layer present. At the moment I do not have access to any resist.
>>
> It's not really a problem.

Seconded. For fine pitch, flux helps a lot.

> I've hand soldered 0.4mm pitch LQFPs on a home made board without solder

If you get a board made commercially with a 0.4mm pitch footprint,
often the soldermask will not survive anyway.

http://i.imgur.com/n4z5PCP.jpg

> I've found using some kapton tape to hold the part in position,

A mini-gardening fork also works well :-)

http://4.bp.blogspot.com/-N1k6OM8C8cs/Te8whMyqdQI/AAAAAAAAACQ/wPkrIs_FRcM/s1600/IMG_6288r.JPG

Mitch.