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Date: Tue, 28 Jan 2014 11:51:10 +0000
From: Ed Simmons <ed AT estechnical DOT co DOT uk>
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Subject: Re: [geda-user] 0.5mm pitch connector suggestions
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On 28/01/2014 03:38, Evan Foss wrote:
> Ada Fruit has breakout boards for that.
> http://www.adafruit.com/products/1436
> http://www.adafruit.com/products/1325
> http://www.adafruit.com/products/1492
>
> On Mon, Jan 27, 2014 at 7:53 PM, Peter Stuge <peter AT stuge DOT se> wrote:
>> Rob Butts wrote:
>>> 0.5mm pith flat ribbon cable and comes with a small surface mount zif
>>> connector that I think will be nearly impossible to solder to a circuit
>>> board.
>> It's possible to solder by hand with a good eye and a steady hand.
>>
>> But you could also try manual reflow. Dispense enough solder paste
>> across all the pads, never mind paste on top of the soldermask, put
>> the connector in place, and use hot air to reflow the solder paste.
>>
>> Capillary forces and soldermask rules out shorts and pulls the
>> connector into position.
>>
>> Pick a connector with more material and tolerance for higher
>> temperatures to not accidentally melt it with the hot air.
>>
>>
>> //Peter
>>

We found these connectors are quite tricky too, but creating the right 
reflow profile manually using the hot air tool and a thermocouple to 
monitor the temperature made it entirely possible. They don't melt if 
you observe the correct profile!