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From: Rich Webb on 1 Aug 2010 19:44
On Sun, 1 Aug 2010 22:15:44 +0000 (UTC), Meat Plow <mhywatt(a)yahoo.com>
wrote:

>On Sat, 31 Jul 2010 23:55:21 +0100, Ian P wrote:
>
>> After mulling over all the good guidance and advice I recieved in
>> response to my original posting I decided which method to use and this
>> evening have successfully repaired the cut tracks.
>>
>> I went for the soldered wire jumpers over the breaks, straightforward
>> under normal circumstances but in this case on a small scale. I bridged
>> four adjacent tracks using wire 0,05mm (2 thou) diameter taken from
>> super flexible test lead wire. The tracks were were between 0.1 and
>> 0.15mm wide and the whole repaired area ended up 0.9mm wide and 4mm
>> long.
>>
>> With the right equipment, microscope etc I can now see that a repair of
>> this sort could be done fairly easily, I managed with a strong magnifyng
>> glass that I fixed in place so I had both hands free. After I fixed the
>> first jumper I improved my technique and was able to work one handed by
>> using a longer length of jumper held taught exactly in line with the
>> track by bits of masking tape at either end. Because of its length its
>> really easy to position the jumper, I also put a little bit of packing
>> under the ribbon so that it formed a raised surface to keep the wire in
>> contact with the previously tinned tracks.
>>
>> I still have to test the repair but mechanically all the joints are
>> sound and separated from each other so I'm happy.
>>
>> Many thanks to all that responded.
>>
>> Ian
>
>Get yourself a 25x stereo magnifying visor. It's a good investment.

2.5x (5 diopter)?

--
Rich Webb Norfolk, VA
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