I used to do rework for a hearing aid manufacturer.

Tips.

Purchase the horrendously expensive  syringe of gel flux from RS - put=20
small amount on all pads. This allows you to 'wipe' the bit and solder=20
(make sure the solder is SMD gauge) the flux helps create surface tension=20
and most of the solder will zonk to the pads, what bridges, can be removed=
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with desolder braid.

If there is a hoof tip made for your brand of iron this is a worthwhile=20
investment, you fill the hoof up with solder and just run it down the legs.

Even better by a QFP tip - Antex do them if you have an Antex iron but so=20
do JBC and others.=20

Solder tweezers make chip type resistors and caps quite easy to align and=20
solder, again some brands of iron also have chip bits.

Make sure you have the right flux to go with the brand and type of solder=20
paste you are using. Make sure the pot of solder paste is kept cool - in a=
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fridge if possible when not being used - not a food fridge obviously.

Colin
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cdb, colin@btech-online.co.uk on 10/05/2011
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Web presence: www.btech-online.co.uk =20
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Hosted by:  www.justhost.com.au
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