Build your own fab, a project for teenagers

["Dave Farber" <farber () gmail com>]

Begin forwarded message:

> From: Bill Frantz <frantz () pwpconsult com>
> Date: December 29, 2017 at 6:47:15 PM EST
> To: cryptography () metzdowd com
> Subject: [Cryptography] Build your own fab, a project for teenagers
>
> For those who worry about backdoors being inserted in their chips:
>
> Two articles, one in QST (January 2018) and one in the IEEE Spectrum 
> <https://spectrum.ieee.org/semiconductors/devices/the-high-school-student-whos-building-his-own-integrated-circuits> 
> describe how Sam Zeloof, KD2ENL, age 17, has built his own semiconductor fabrication facility following suggestions 
> from Jeri Ellsworth’s YouTube channel <https://www.youtube.com/user/jeriellsworth>, where she demonstrated how she 
> had made some home-brew silicon transistors. Sam is using a 10 micrometer feature size, well below the current state 
> of the art. However, surplus equipment for that feature size is available inexpensively. He has built a few 
> transistors and is targeting building a 4004 CPU as his next project.
>
> Cheers - Bill
>
> ---------------------------------------------------------------------------
> Bill Frantz        |"We used to quip that "password" is the most common
> 408-356-8506       | password. Now it's 'password1.' Who said users haven't
> www.pwpconsult.com | learned anything about security?" -- Bruce Schneier
>
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