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From: "Frank Bemelman"
References: <3D985FEB.email@example.com> <3D97176C.E9037BCF@webaccess.net> <firstname.lastname@example.org> <3D972B11.375C7AD1@webaccess.net>
Subject: Re: having SMT components mounted
Date: Sun, 29 Sep 2002 22:56:34 +0200
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
Organization: EuroNet Internet
NNTP-Posting-Date: 29 Sep 2002 20:59:36 GMT
"Chuck Simmons" schreef in bericht
> Frank Bemelman wrote:
> > "Chuck Simmons" schreef in bericht
> > news:3D97176C.E9037BCF@webaccess.net...
> > [snip]
> > > There are small companies that do assembly. We use a shop where the
> > > owner's son does much of the assembly. The son is still young enough
> > > see the parts and solder them though he does have to use a microscope.
> > I often use a stereo microscope, at least to check how and if I
> > indeed have soldered all pins. During the soldering I use a
> > jeweller's loupe, one that eh, fits in your eye. In the beginning
> > they drop out of your eye all the time, but after a while it's
> > amazingly easy to use.
> Yes, the microscope we have is a stereo job. A low cost unit from Edmund
> Industrial Optics but it serves well. I have a Behr 5X/10X glasses clamp
> loupe (I also have a set of conventional loupes of various powers). The
> Behr loupe was a bit expensive but I can attach it to my glasses and
> flip the lenses out of the way when I don't need them.
> The problem with working with a loupe is lack of depth perception. The
> microscope is better but takes getting used to because the spaces
> between pins look like canyons. Even if I could see my way clear to
> soldering these fine pitch horrors, it would be expensive anyway.
> Soldering a 208 pin part is mind numbing even to think about.
I envy those surgeons that have loupes glued on their
goggles. Bloody expensive, I found out :(
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