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Paper and glue SMD

Discussion in 'Electronic Design' started by amdx, Nov 24, 2012.

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  1. amdx

    amdx Guest

  2. Robert Baer

    Robert Baer Guest

    Reminds me when i was a kid(early 50's) i thought of a tube (no
    transistors then) printed circuit..then thought of ways to make it.
    Different pencils on paper for resistors and wires, multi-layer
    conductive squares separated by paper for capacitors, etc..where the
    problem came was how to launch electrons across the paper surface.
     
  3. Tim Williams

    Tim Williams Guest

    Reminds me when i was a kid(early 50's) i thought of a tube (no
    Gnaw, run enough current through the resistor, paper carbonizes, voila,
    filament ;-)

    Tim
     
  4. Robert Baer

    Robert Baer Guest

    Filament, yes; also pseudo-grids. But..to actually get electrons to
    be emitted in a non-vacuum in reasonable quantity and lifetime to be
    useful (as in a tube),that is not so good to say the least.
    Painting the paper with an insulator does not help, and paper does
    not exactly hold a vacuum properly.
    At least the circuit other than that major problem, is flexible.
    ..giving "flex" and fold-able circuits an early start.
     
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