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Visible emission from transistor PN junction

 
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mawyatt



Joined: 22 Aug 2013
Posts: 2452
Location: Clearwater

PostPosted: Tue May 12, 2020 8:10 am    Post subject: Visible emission from transistor PN junction Reply with quote

Here's an interesting post on the visible photon emission from a reversed biased breakdown transistor emitter base junction.

https://www.eevblog.com/forum/projects/transistors-die-pictures/msg3063526/#msg3063526

Best,
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Research is like a treasure hunt, you don't know where to look or what you'll find!
~Mike
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Smokedaddy



Joined: 07 Oct 2006
Posts: 1683
Location: Phoenix, Arizona

PostPosted: Wed May 13, 2020 10:01 am    Post subject: Reply with quote

Did you go to Noopy's site? I've photographed some of these but didn't realized they could be powered after upcapping. I'm not electronic savvy.

https://www.richis-lab.de/Bipolar02.htm

-JW:
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mawyatt



Joined: 22 Aug 2013
Posts: 2452
Location: Clearwater

PostPosted: Wed May 13, 2020 12:17 pm    Post subject: Reply with quote

Yes, been discussing things with him the past few weeks. He's doing some interesting things and I pointed him here for more info regarding macro techniques and equipment.

Best,
_________________
Research is like a treasure hunt, you don't know where to look or what you'll find!
~Mike
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