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'Keeping microscope clean while soldering?'
2003\02\26@082532 by Olin Lathrop

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> Do any of you solder under a microscope? If so, how do you keep the
> crud off it?

I don't, but how about a piece of plastic wrap held by a rubber band over
the end?  Replace for $.001 when crudded up.


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2003\02\26@083359 by Sid Weaver

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In a message dated 02/26/2003 08:25:53 Eastern Standard Time,
spam_OUTolin_piclistTakeThisOuTspamEMBEDINC.COM writes:


> > Do any of you solder under a microscope? If so, how do you keep the
> > crud off it?
>
> I don't, but how about a piece of plastic wrap held by a rubber band over
> the end?  Replace for $.001 when crudded up.
>

There is a silicone spray for windshields sold by auto parts stores.  It
keeps stuff from sticking to glass.  I use it on the headband I use while
soldering.  It doesn't stop the stuff from accumulating, but you can just
wipe it off with a kleenex.

Sid Weaver
W4EKQ
Port Richey, FL

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2003\02\26@085240 by Alan B. Pearce

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>> Do any of you solder under a microscope? If so, how do you keep the
>> crud off it?
>
>I don't, but how about a piece of plastic wrap held by a rubber band over
>the end?  Replace for $.001 when crudded up.


Or a piece of cooking cling film from the wife's kitchen - even cheaper that
way :)))

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2003\02\26@102222 by Roman Black

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Alan B. Pearce wrote:
>
> >> Do any of you solder under a microscope? If so, how do you keep the
> >> crud off it?
> >
> >I don't, but how about a piece of plastic wrap held by a rubber band over
> >the end?  Replace for $.001 when crudded up.
>
> Or a piece of cooking cling film from the wife's kitchen - even cheaper that
> way :)))


I have some soldering jigs made of plate glass (for
rigidity and flatness), and use alcohol which removes
the flux spatter very well without needing a more toxic
solvent.
ie just stick a piece of plate glass under the 'scope
lens and clean it occasionally. And use the fan too!
:o)
-Roman

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2003\02\26@152604 by Peter L. Peres

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On Wed, 26 Feb 2003, Alan B. Pearce wrote:

*>Or a piece of cooking cling film from the wife's kitchen - even cheaper that
*>way :)))

Rule of thumb in optics: never save money if you don't have to. The cling
film is birefringent and of uneven thickness. It will blur the image even
if taut.

Peter

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2003\02\26@153407 by Ned Konz

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On Wednesday 26 February 2003 12:24 pm, Peter L. Peres wrote:
> On Wed, 26 Feb 2003, Alan B. Pearce wrote:
>
> *>Or a piece of cooking cling film from the wife's kitchen - even
> cheaper that *>way :)))
>
> Rule of thumb in optics: never save money if you don't have to. The
> cling film is birefringent and of uneven thickness. It will blur
> the image even if taut.

Yes, I just tried this.

I think the microscope slide idea is better, but I'll have to figure
out how to keep it attached.

It looks like a 2x3 inch slide could just be taped on.

Now I need to find these things...
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2003\02\26@183605 by michael brown

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Ned Konz wrote:
> On Wednesday 26 February 2003 12:24 pm, Peter L. Peres wrote:
>> On Wed, 26 Feb 2003, Alan B. Pearce wrote:
>>
>> *>Or a piece of cooking cling film from the wife's kitchen - even
>> cheaper that *>way :)))
>>
>> Rule of thumb in optics: never save money if you don't have to. The
>> cling film is birefringent and of uneven thickness. It will blur
>> the image even if taut.
>
> Yes, I just tried this.
>
> I think the microscope slide idea is better, but I'll have to figure
> out how to keep it attached.
>
> It looks like a 2x3 inch slide could just be taped on.
>
> Now I need to find these things...

Bee's wax should hold it.

michael brown

"In the land of the blind, he who has one eye is king"

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2003\02\26@185110 by Randy Jones

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Sid...  What kind of headband are you referring to?  Is it the kind with
magnifying lenses in front of each eye?

I just completed a soldering class, and was spoiled by the Nikon
microscopes.  I've done SMT without magnification, but WOW, what a
difference with the microscope!

Ned...  Ain't eBay wonderful?  I might consider buying a microscope if the
price was right... what search words did you find useful on eBay to locate
the appropriate microscopes?  Would you mind mentioning the price range that
they are going for?

Thanks,
Randy
http://www.glitchbuster.com



> There is a silicone spray for windshields sold by auto parts stores.  It
> keeps stuff from sticking to glass.  I use it on the headband I use while
> soldering.  It doesn't stop the stuff from accumulating, but you can just
> wipe it off with a kleenex.
>
> Sid Weaver
> W4EKQ
> Port Richey, FL

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2003\02\26@200347 by Ned Konz

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On Wednesday 26 February 2003 03:50 pm, Randy Jones wrote:

> Ned...  Ain't eBay wonderful?  I might consider buying a microscope
> if the price was right... what search words did you find useful on
> eBay to locate the appropriate microscopes?  Would you mind
> mentioning the price range that they are going for?

I bought the scope (with a rather odd stand that I had to re-work to
make the scope low enough) for $167.50:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=26411&item=3307977691&rd=1

I replaced the blue metal part with some wood, and kept the heavy
base.

The overall range is from about $200 to about $500, depending on
newness, and whether it has a nice boom.

You could try searching for:

stereo microscope zoom

and if you need a boom mounted one

stereo microscope zoom boom

(search in titles and descriptions).

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GPG key ID: BEEA7EFE

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2003\02\27@123526 by Peter L. Peres

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On Wed, 26 Feb 2003, Ned Konz wrote:

*>On Wednesday 26 February 2003 12:24 pm, Peter L. Peres wrote:
*>> On Wed, 26 Feb 2003, Alan B. Pearce wrote:
*>>
*>> *>Or a piece of cooking cling film from the wife's kitchen - even
*>> cheaper that *>way :)))
*>>
*>> Rule of thumb in optics: never save money if you don't have to. The
*>> cling film is birefringent and of uneven thickness. It will blur
*>> the image even if taut.
*>
*>Yes, I just tried this.
*>
*>I think the microscope slide idea is better, but I'll have to figure
*>out how to keep it attached.
*>
*>It looks like a 2x3 inch slide could just be taped on.

Use Bostik blu-tack or something like that (chewing gum in a pinch -
don't). Wax works well (I use wax all the time - great stuff). A small
drop of hot stuff. Hot stuff is a kind of wax too. You get it. 2x3 inch
slides do not exist but optical glass of this size does. It is used for
the same purpose you want it. Try a better photo supply shop, ask for
filter holder glass.

Peter

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2003\02\27@181141 by Randy Jones

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Ned,

Thanks... they have already deleted the pictures in the auction description,
but your suggestions give me a good starting point.  The price range on eBay
sounds like something I can afford.  New ones at retail prices... I don't
think so - heh, heh!

Randy


> I bought the scope (with a rather odd stand that I had to re-work to
> make the scope low enough) for $167.50:
>
>
cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=26411&item=3307977691
&rd=1
{Quote hidden}

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