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Transistors - die pictures

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Noopy:
How about a transistor-die-picture-topic?  :)

I have collected some here:

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


And I just have to show you this one:



You see the breakdown of the KD501-base-emitter-junction with increasing current.  8) ;D




Does anybody know why Tesla integrated this step at the edge of the die?

Wolfgang:
The BE breakdown video is great ?

I'm working on a PHD where this effect plays a role. May I use your video in my thesis ?

Just speculating, is this a MESA part ?

Noopy:

--- Quote from: Wolfgang on May 10, 2020, 10:01:19 pm ---The BE breakdown video is great ?

I'm working on a PHD where this effect plays a role. May I use your video in my thesis ?

--- End quote ---

Thanks!
Of course you can use it in your PHD.
If you need something special (higher resolution, different angle,...) just tell me.



--- Quote from: Wolfgang on May 10, 2020, 10:01:19 pm ---Just speculating, is this a MESA part ?

--- End quote ---

Sounds reasonable!  :-+

Miyuki:

--- Quote from: Noopy on May 11, 2020, 03:10:13 am ---
--- Quote from: Wolfgang on May 10, 2020, 10:01:19 pm ---Just speculating, is this a MESA part ?

--- End quote ---

Sounds reasonable!  :-+

--- End quote ---

Looks exactly as on book drawings

Wolfgang:
... just a question - is the 2N2222A also emitting light in BE breakdown ?

 regards
  Wolfgang

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