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From: "Alexander S. Wood"
Subject: Re: The trouble with SMDs...
X-Newsreader: Microsoft Outlook Express 6.00.2800.1106
Date: Mon, 13 Jan 2003 20:07:22 -0000
NNTP-Posting-Date: Mon, 13 Jan 2003 20:25:00 GMT
Organization: ntlworld News Service
"Paul Burridge" wrote in message
> On Mon, 13 Jan 2003 13:36:50 +0000, John Woodgate
> opined thusly:
But what on earth is the point of making
> things so tiny that people like myself can barely see them, let alone
> make practical use of them? In a few more years, event the most
> dexterous of us are going to be stuffed if things carry on the way
> they're going.
I am afraid that as long as the machine sees them then it's OK. If we are
all stuffed and have to buy new when something breaks then so much the
better would be the manufacturer's take on things.
That said you would be amazed at just how small a thing you can hand solder
with practice and the right technique. Just don't erect a mental barrier to
the concept. I have never regarded my eyesight as being very good but I hand
solder the smallest SMD's every day now as a matter of course at work
including ultra high density QFP chips.
Just use loads of light and a magnifier for reference. Don't use a
magnifying lens to look through for the whole job - bad eyestrain and
headaches - just for positioning the component and checking the job from
time to time. Binocular magnifiers of the type used by jewellers can be
useful since they have two separate lenses they give less eyestrain.
Alec Wood M1BNK
BTW I find the wife's feet to be the most efficient device for locating IC's
hidden in carpet. Just make sure she's not wearing tights - they don't like
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