Friday Free Board Quiz – Multilayer PCB – prize is PIC32-RetroBSD


PIC32-RETROBSD

PIC32-RetroBSD is small Open Source Hardware board which is capable to run Unix like OS on single microcontroller.

To participate in the Quiz is enough to re-tweet the Twitter Quiz announcement message.

To double your chances you have to answer the Quiz question :)

The Quiz question is: What is the thickness of one of the most used prepregs in PCB production: PP2116?

You have time to re-tweet and/or answer until Monday 21th of December.

In Monday we will post the correct answer and ask random.org to generate random number in range then announce the winner and ship the board by post/airmail.

Good Luck!

7 Comments (+add yours?)

  1. bib
    Dec 18, 2015 @ 22:54:58

    pp2116 is about 0.12mm

    Reply

  2. Mathmathxc
    Dec 19, 2015 @ 00:41:46

    120µm

    Reply

  3. stefanstefanov198
    Dec 19, 2015 @ 10:27:57

    between 100 and 120 µm

    Reply

  4. n0x
    Dec 19, 2015 @ 10:49:29

    PP2116 ~ 120µm

    Reply

  5. Roux
    Dec 19, 2015 @ 12:07:14

    prepreg PP2116 is approx. 120µm

    Reply

  6. Mehmet Tukel
    Dec 21, 2015 @ 12:15:45

    120 micrometer

    Reply

  7. Hugo
    Dec 21, 2015 @ 13:37:17

    I don’t know if I fell out of time but my answer is between 0.08mm and 0.13mm
    Source: http://www.4pcb.com/media/prepreg-thickness-chart.pdf

    Reply

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