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1999 AMI Wafer
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1194
Location: Phoenix, Arizona

PostPosted: Wed Feb 21, 2018 10:31 pm    Post subject: 1999 AMI Wafer Reply with quote

Yet another different wafer. I think the BW are interesting. Can't wait to do a nice panorama.









-JW:
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Smokedaddy



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PostPosted: Thu Feb 22, 2018 2:19 pm    Post subject: Reply with quote

Here's a quick video of the 1999 5" AMI Idaho Wafer at 40x with a Mirau Interferometer objective on a Nikon MM-11 with universal epi illuminator using bright field.

https://www.youtube.com/watch?v=MJ-ke9Y0dB0

-JW:
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Saul



Joined: 31 Jan 2011
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Location: Naperville, IL USA

PostPosted: Thu Feb 22, 2018 2:40 pm    Post subject: Reply with quote

3rd is impressive
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Saul
Studio, horizontal and field setups
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Olympusman



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PostPosted: Fri Feb 23, 2018 2:04 pm    Post subject: Microprocessor Reply with quote

Lovely images.

Mike
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Michael Reese Much FRMS EMS Bethlehem, Pennsylvania, USA
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Smokedaddy



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PostPosted: Fri Feb 23, 2018 7:23 pm    Post subject: Reply with quote

... thanks.
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Smokedaddy



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PostPosted: Sat Feb 24, 2018 1:51 am    Post subject: Reply with quote

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Smokedaddy



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PostPosted: Sun Feb 25, 2018 12:27 pm    Post subject: Reply with quote

Thought I'd try a stereo image with Zerene. I struggled with this particular stereo image subject but Rik had the patience to work it out with me. I'm not stupid but sometimes procedures and terminology simply aren't clear to me. I thought it turned out pretty well considering the subject.



-JW:
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Saul



Joined: 31 Jan 2011
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PostPosted: Sun Feb 25, 2018 1:33 pm    Post subject: Reply with quote

Smokedaddy wrote:
...it turned out pretty well considering the subject...


Fully agree. Nice stereo
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Saul
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rjlittlefield
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Joined: 01 Aug 2006
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Location: Richland, Washington State, USA

PostPosted: Sun Feb 25, 2018 3:02 pm    Post subject: Reply with quote

Challenging subject, nice result!

This one is entirely JW's work, by the way. The one I helped him with was a completely different stack.

I do wonder whether this is intended to be cross-eyed or parallel. It looks more "natural" to me if viewed parallel. That puts the big contact pads in front of the other structures, versus pads behind when viewed cross-eyed.

--Rik
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Smokedaddy



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PostPosted: Sun Feb 25, 2018 4:05 pm    Post subject: Reply with quote

My intent was only viewing with my Berezin Pocket 3Dvu glasses.
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Smokedaddy



Joined: 07 Oct 2006
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PostPosted: Sun Feb 25, 2018 4:41 pm    Post subject: Reply with quote

I shot this one with a green filter and converted it to BW. This turned out excellent 3D wise with my Pocket 3Duv glasses. Lot's of dept and layers are visible. Probably at least 6 layers .. very cool. Same camera 50D with 2.5x relay lens and a Nikon BD Plan APO 100/0.90. Only a 9 image stack.



-JW:


Last edited by Smokedaddy on Mon Feb 26, 2018 9:14 am; edited 3 times in total
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rjlittlefield
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PostPosted: Sun Feb 25, 2018 8:59 pm    Post subject: Reply with quote

Smokedaddy wrote:
My intent was only viewing with my Berezin Pocket 3Dvu glasses.

Those are nice little tools, aren't they?

They give what I've called "parallel" view, with each eye seeing the image on its same side.

Quote:
I shot this one with a green filter and converted it to BW.

That's beautiful! Much less obvious artifacts than the full-color version.

--Rik
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Smokedaddy



Joined: 07 Oct 2006
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PostPosted: Sun Feb 25, 2018 9:01 pm    Post subject: Reply with quote

Thanks ... I really like the monochrome stereo image.
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Smokedaddy



Joined: 07 Oct 2006
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PostPosted: Mon Feb 26, 2018 9:11 am    Post subject: Reply with quote

Here's the same one with the green filter.



-JW:
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rjlittlefield
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Joined: 01 Aug 2006
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PostPosted: Mon Feb 26, 2018 11:11 am    Post subject: Reply with quote

Adding some technical information about the stereo...

JW tells me that the image is not cropped, but in addition to the 100X objective there was a 2.5X relay lens.

So then I work the numbers like this...

Depth is about 3 microns (9 frames @ 1/3 micron per frame)

Width is nominally 89.2 microns (22.3 mm sensor width, divided by 250X total optical magnification (=100*2.5))

-2% corresponds to view angle about -30.7 degrees. (Crosscheck using the formulas at zerenesystems.com: TAN(RADIANS(-30.7)) * (3/89.2) * 100 = -1.997)

+4% corresponds to view angle about 49.9 degrees. (Crosscheck: TAN(RADIANS(49.9)) * (3/89.2) * 100 = 3.994)

Total viewing angle is 80.7 degrees (=49.9+30.7, rounded from extra digits not shown) .

Typical max viewing angle in real life is only about 8-10 degrees (10 degrees = 2.5 inches between eyes, 14" viewing distance), so the stereo pair is exaggerating depth by about 10X. If you were able to look at something this small through a real stereo microscope, it would look a lot more flat.

Looking again this morning, I'm still really pleased by the gray-scale pair. Nice job, JW!

--Rik
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