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Leaf Hopper SEM

 
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houstontx



Joined: 31 Jul 2015
Posts: 295

PostPosted: Tue Apr 07, 2020 4:22 pm    Post subject: Leaf Hopper SEM Reply with quote

My first attempt at bug sample prep . This "Glassy-winged sharpshooter" was found in the garden last year, been in the deep freeze since (my wife just loves my freezer collections...), gone through 2 thaw cycles (power outages), crudely dried with methanol, ethanol, & acetone, and carbon coated for your viewing pleasure. The results...eh Rolling Eyes (scale bars not correct)



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Lou Jost



Joined: 04 Sep 2015
Posts: 4250
Location: Ecuador

PostPosted: Tue Apr 07, 2020 4:39 pm    Post subject: Reply with quote

How did you coat it with carbon?
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Lou Jost
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houstontx



Joined: 31 Jul 2015
Posts: 295

PostPosted: Tue Apr 07, 2020 5:48 pm    Post subject: Reply with quote

Hi lou,

I used an SPI supplies carbon coater and carbon thread, heres a link to the operation video. I also have the carbon rod type head as well. The thread is much cheaper, but the carbon rods give a better coat (I think). I also have the sputter coater head as well and a gold target, but I'm saving that until i've refined the sample prep bit more. That should give better resolultion.

https://www.youtube.com/watch?v=VyIe08rjSP0
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Lou Jost



Joined: 04 Sep 2015
Posts: 4250
Location: Ecuador

PostPosted: Tue Apr 07, 2020 6:17 pm    Post subject: Reply with quote

Thank you for this info and link.
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WalterD



Joined: 06 Jul 2015
Posts: 593
Location: Rotterdam, the Netherlands

PostPosted: Tue Apr 21, 2020 9:54 pm    Post subject: Reply with quote

Very interesting, thanks for sharing. Curious what your SEM installation looks like.

Regards,

Walter
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