Example: Focused ion beam system

Published 2009-11-30 | Author: Clemens Helfmeier

The drawing is a schematic construction of a Focused Ion Beam system which bombards a target with ions. Due to gas injection you can even modify the target, not only destructive but also constructive.

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Focused ion beam system

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% Focused ion beam system
% Author: Clemens Helfmeier
\documentclass{minimal}
\usepackage[utf8]{inputenc}
\usepackage{tikz}
\usetikzlibrary{arrows,decorations.pathmorphing}
\def\english#1{\emph{#1}}
\tikzset{
  arrow/.style={-stealth', line width=0.5pt},
  every picture/.append style={line width=1pt},
}
\begin{document}
\begin{tikzpicture}[
    scale=1.3,
    fib housing horz/.style={top color=black!10, bottom color=black!40, draw=black!50},
    fib housing vert/.style={left color=black!10, right color=black!40, draw=black!50},
    fib housing/.style={fill=black!20, draw=black!50},
    fib background vert/.style={left color=black!40, right color=black!10, draw=black!50},
    fib background/.style={fill=black!30, draw=black!50},
    fib lens thick/.style={draw=black!80, line width=0.04cm},
    fib lens thinn/.style={draw=black!95, line width=0.02cm},
    fib mirror/.style={draw=black!60, line width=0.03cm, fill=black!20},
    fib objective/.style={draw=black!60, line width=0.03cm},
    fib quadrupole/.style={draw=black!60, line width=0.03cm},
    fib blanker/.style={draw=black!90, fill=black!60},
    fib octopole/.style={draw=black!80, line width=0.04cm},
  ]
  % Picture created and copyright by Clemens Helfmeier in 2009 for master thesis.
  % Contact me at: Clemens@Helfmeier.de
  % Aufbau des FIBs
  % "falsch" herum, Probe unten, Ionen oben
  % einzelne Elemente sind rund, insofern auch shading anbringen
  % jedes element ist 1.4cm hoch.
  % Die FIB-Säule
  \begin{scope}[scale=2]
    \begin{scope}[yshift=0.2]
      %% Ionenquelle
      { % Rückseite
        \path[fib background vert]
          (-1,0) arc (180:360:1 and 0.05) -- (1,-1) arc (360:180:1 and 0.05) --cycle;
        \path[fib background vert]
          (-0.8,0.2) arc (180:360:0.8 and 0.04) -- (1,0) arc (360:180:1 and 0.05) --cycle;
        \path[fib background vert]
          (-0.8,-1.2) arc (180:360:0.8 and 0.04) -- (1,-1) arc (360:180:1 and 0.05) --cycle;
      }
      { % Innenleben
        \path[fib housing vert]
          (-0.3,0) -- (0.3,0) -- (0.3,-0.45) -- (0,-0.7) coordinate (source) -- (-0.3,-0.45) --cycle;
        \path[draw=black!80, yslant=-0.1]
          \foreach \x in {0.1,0.2,0.3,0.4} {
            (-0.3,-\x) arc(210:-30:0.35 and 0.06)
          };
        \path[fib lens thinn]
          (-0.8,-0.9) -- (-0.05,-0.9)
          (0,-0.9) coordinate (emitter)
          (0.05,-0.9) -- (0.8,-0.9) coordinate[midway] (extractor);
        \path[fib lens thick]
          (-0.4,-0.4) -- (-0.4,-0.8) -- (-0.1,-0.8) (0.1,-0.8) -- (0.4,-0.8) -- (0.4,-0.4) coordinate[midway] (suppressor);
      }
      \begin{scope} % Gehäuse
        \path[clip,decoration={random steps, segment length=6pt, amplitude=2pt}]
          (-1,0.3) -- (1,0.3) -- (1,-1.3)
          -- (0.6,-1.3) decorate{ ..controls (0.6,0.2) and (-0.6,0.2).. (-0.6,-1.3)}
          -- (-1,-1.3) --cycle;
        \path[fib housing vert]
          (-1,0) arc (180:0:1 and 0.05) -- (1,-1) arc (0:180:1 and 0.05) --cycle;
        \path[fib housing vert]
          (-0.8,0.2) arc (180:0:0.8 and 0.04) -- (1,0) arc (0:180:1 and 0.05) --cycle;
        \path[fib housing vert]
          (-0.8,-1.2) arc (180:0:0.8 and 0.04) -- (1,-1) arc (0:180:1 and 0.05) --cycle;
        \path[fib housing]
          (0,-1.2) ellipse (0.8 and 0.04);
      \end{scope}
      { % Ionenpumpe extern
        \path[fib housing]
          (-1,-0.1) rectangle (-1.2,-0.6);
        \path[fib housing]
          (-1.2,-0.15) rectangle (-1.25,-0.2)
          (-1.2,-0.55) rectangle (-1.25,-0.5);
        \path[fib housing horz]
          (-1.2,-0.25) rectangle (-1.6,-0.45);
      }
    \end{scope}
    %% Beschleunigung und fokussierung
    \begin{scope}[yshift=-1.4cm]
      { % Rückseite
        \path[fib background vert]
          (-0.7,0.2) arc (180:360:0.7 and 0.03) -- (0.7,-1.2) arc (360:180:0.7 and 0.03) --cycle;
      }
      { % Innenleben
        \path[fib lens thinn] % Linse
          (-0.3,-0.25) -- (-0.5,-0.25) -- (-0.5,-0.35) -- (-0.3,-0.35)
          (0.3,-0.25) -- (0.5,-0.25) -- (0.5,-0.35) -- (0.3,-0.35);
        \path[fib lens thick]
          (-0.45,-0.3) -- (-0.35,-0.3) (0.35,-0.3) -- (0.45,-0.3)
          (0,-0.3) coordinate (ionlens1)
          (-0.5,-0.25) coordinate (linse1);
        \path[fib quadrupole] % quadrupole 1
          (0,-0.45) ellipse (0.33cm and 0.01cm)
          (0,-0.65) ellipse (0.33cm and 0.01cm)
          (-0.35,-0.45) -- ++(0,-0.2) (-0.2,-0.45) -- ++(0,-0.2)
          (0.35,-0.45) -- ++(0,-0.2) (0.2,-0.45) -- ++(0,-0.2)
          (-0.35,-0.45) coordinate (quadA);
        \path[fib lens thick]
          (-0.25,-0.45) -- (0.25,-0.45)
          (-0.25,-0.65) -- (0.25,-0.65);
        \path[fib lens thick] % Blende
          (-0.7,-0.75) -- (-0.05,-0.75) (0.05,-0.75) -- (0.7,-0.75) coordinate[midway] (blende)
          (0,-0.75) coordinate (ionblende);
        \path[fib quadrupole] % quadrupole 2
          (0,-0.85) ellipse (0.33cm and 0.01cm)
          (0,-1.05) ellipse (0.33cm and 0.01cm)
          (-0.35,-0.85) -- ++(0,-0.2) (-0.2,-0.85) -- ++(0,-0.2)
          (0.35,-0.85) -- ++(0,-0.2) (0.2,-0.85) -- ++(0,-0.2)
          (-0.35,-0.85) coordinate (quadB);
        \path[fib lens thick]
          (-0.25,-0.85) -- (0.25,-0.85)
          (-0.25,-1.05) -- (0.25,-1.05);
      }
      \begin{scope} % Gehäuse
        \path[clip,decoration={random steps, segment length=6pt, amplitude=2pt}]
          (0.7,0.3) -- (0.7,-1.3)
          -- (0.6,-1.3) decorate{ ..controls (0.5,-0.6).. (0.6,0.3)} --cycle
          (-0.7,0.3) -- (-0.6,0.3) decorate{ ..controls (-0.5,-0.6).. (-0.6,-1.3)}
          -- (-0.7,-1.3) --cycle;
        \path[fib housing vert]
          (-0.7,0.2) arc (180:0:0.7 and 0.03) -- (0.7,-1.2) arc (0:180:0.7 and 0.03) --cycle;
      \end{scope}
      { % Ionenpumpe extern
        \path[fib housing]
          (0.7,-0.1) rectangle (0.9,-0.6);
        \path[fib housing]
          (0.9,-0.15) rectangle (0.95,-0.2) (0.95,-0.15) coordinate (ionenpume)
          (0.9,-0.55) rectangle (0.95,-0.5);
        \path[fib housing horz]
          (0.9,-0.25) rectangle (1.3,-0.45);
      }
    \end{scope}
    \begin{scope}[yshift=-2.8cm]
      % Optik und Ablenkteile
      { %Rückseite
        \path[fib background vert]
          (-0.8,0.2) arc (180:360:0.8 and 0.03) -- (0.8,-1.5) arc (360:180:0.8 and 0.03) --cycle;
        \path[fib background]
          (1.3,0.3) rectangle (2.4,-1.1);
      }
      { % Innenleben
        \path[fib blanker] % blanker
          (-0.3,0.1) rectangle (-0.25,-0.2)
          (0.3,0.1) rectangle (0.25,-0.2)
          (-0.3,0.1) coordinate (blanker);
        \path[fib lens thick]
          (-0.3,-0.05) -- (-0.4,-0.05) (0.3,-0.05) -- (0.4,-0.05);
        \path[fib lens thick] % Faradaykäfig
          (-0.3,-0.25) -- (-0.3,-0.35) -- (-0.15,-0.35) -- (-0.15,-0.25)
          (-0.3,-0.25) coordinate (faraday)
          (0.3,-0.25) -- (0.3,-0.35) -- (0.15,-0.35) -- (0.15,-0.25);
        \path[fib octopole] % octopole 1
          (0,-0.4) ellipse (0.38cm and 0.01cm)
          (0,-0.6) ellipse (0.38cm and 0.01cm)
          (-0.4,-0.4) -- (-0.4,-0.6) (0.4,-0.4) -- (0.4,-0.6)
          (-0.27,-0.4) -- ++(0,-0.2) (-0.1,-0.4) -- ++(0,-0.2)
          (0.27,-0.4) -- ++(0,-0.2) (0.1,-0.4) -- ++(0,-0.2)
          (0,-0.5) coordinate (ionocto1)
          (-0.4,-0.4) coordinate (octoA);
        \path[fib octopole] % octopole 2
          (0,-0.7) ellipse (0.38cm and 0.01cm)
          (0,-1.05) ellipse (0.38cm and 0.01cm)
          (-0.4,-0.7) -- (-0.4,-1.05) (0.4,-0.7) -- (0.4,-1.05)
          (-0.27,-0.7) -- ++(0,-0.35) (-0.1,-0.7) -- ++(0,-0.35)
          (0.27,-0.7) -- ++(0,-0.35) (0.1,-0.7) -- ++(0,-0.35)
          (0,-0.88) coordinate (ionocto2)
          (-0.4,-0.7) coordinate (octoB);
        \path[fib mirror]
          (0.4,-0.4) -- (0.6,-0.2) -- (0.4,-0.2) -- cycle;
        \path[fib mirror]
          (0.6,-1.2) -- (0.4,-1.4) -- (0.6,-1.4) -- cycle;
        \path[fib mirror]
          (-0.1,-1.4) -- (-0.025,-1.325) (0.025,-1.275) -- (0.1,-1.2) -- cycle;
        \path[fib mirror] % kamera innenleben
          (1.6,-0.2) -- (1.8,-0.4);
        \path[fib lens thinn]
          (1.6,-0.6) arc(100:80:0.575) arc(-80:-100:0.575) -- cycle;
        \path[draw=black!60, fill=black!20]
          (1.58,-0.82) -- (1.56,-0.97) -- (1.82,-0.97) -- (1.84,-0.82) --cycle;
        \path[draw=black!60, shading=ball, ball color=black!30]
          (1.7,-0.9) ellipse (0.1cm and 0.05cm);
        \begin{scope}
          \path[clip]
            (2.2,-0.3) circle (0.1cm);
          \path[draw=black!80, line width=0.04cm]
            (2.2,-0.3) circle (0.1cm)
            (2.1,-0.2) -- (2.3,-0.4)
            (2.1,-0.4) -- (2.3,-0.2);
        \end{scope}
        \path[fib lens thinn]
          (1.9,-0.2) arc(170:190:0.575) arc(-10:10:0.575) -- cycle;
      }
      \begin{scope} % externes Gehäuse
        \path[clip,decoration={random steps, segment length=6pt, amplitude=2pt}]
          (0.8,0) -- (1.3,0) -- (1.3,0.3) -- (2.4,0.3) -- (2.4,-1.1) -- (1.3,-1.1) -- (1.3,-0.6) -- (0.8,-0.6) -- (0.8,-0.1) -- (1.4,-0.1)
          decorate{ .. controls (1.4,-0.5) .. (1.6,-1) .. controls (2.3,-1) .. (2.3,-0.1) .. controls (1.8,0.2) .. (1.4,0)}
          -- (1.4,-0.1) -- (0.8,-0.1) --cycle;
        \path[fib housing horz]
          (0.8,0) rectangle (1.3,-0.6);
        \path[fib housing]
          (1.3,0.3) rectangle (2.4,-1.1);
      \end{scope}
      \begin{scope} % Gehäuse
        \path[clip,decoration={random steps, segment length=6pt, amplitude=2pt}]
          (0.8,0.3) -- (0.8,-1.6)
          -- (0.6,-1.6) decorate{ ..controls (0.8,-0.6).. (0.6,0.3)} --cycle
          (-0.8,0.3) -- (-0.6,0.3) decorate{ ..controls (-0.4,-0.6).. (-0.6,-1.6)}
          -- (-0.8,-1.6) --cycle;
        \path[fib housing vert]
          (-0.8,0.2) arc (180:0:0.8 and 0.03) -- (0.8,-1.5) arc (0:180:0.8 and 0.03) --cycle;
      \end{scope}
    \end{scope}
    \begin{scope}[yshift=-4.5cm]
      % Deckel
      { % Rückwand
        \path[fib background vert]
          (-0.8,0.2) arc (180:360:0.8 and 0.03) -- (0.8,-0.6) arc (360:180:0.8 and 0.03) -- cycle;
        \path[fib background vert]
          (0.8,-0.6) arc (360:180:0.8 and 0.03) -- (-0.3,-1) arc (180:360:0.3 and 0.01) -- cycle;
      }
      { % Innenleben
        \path[fib mirror]
          (-0.15,-0.4) arc (-75:-50:0.25) -- (-0.05,-0.4) -- cycle;
        \path[fib mirror]
          (0.15,-0.4) arc (-105:-130:0.25) -- (0.05,-0.4) -- cycle;
        \path[fib mirror]
          (-0.2,-0.1) arc (105:125:0.8) coordinate (tmp) -- (tmp |- -0.2,-0.1) --cycle;
        \path[fib mirror]
          (0.2,-0.1) arc (75:55:0.8) coordinate (tmp) -- (tmp |- 0.2,-0.1) --cycle;
        \path[fib lens thinn] % 2. Linse
          (-0.15,-0.65) -- (-0.3,-0.65) -- (-0.3,-0.75) -- (-0.15,-0.75)
          (0.15,-0.65) -- (0.3,-0.65) -- (0.3,-0.75) -- (0.15,-0.75);
        \path[fib lens thick]
          (-0.27,-0.7) -- (-0.17,-0.7) (0.17,-0.7) -- (0.27,-0.7)
          (0,-0.7) coordinate (ionlens2)
          (-0.27,-0.65) coordinate (linse2);
      }
      \begin{scope} % Gehäuse
        \path[clip,decoration={random steps, segment length=6pt, amplitude=2pt}]
          (-0.8,0.3) -- (-0.6,0.3) decorate{ ..controls (-0.5,-1.3) and (0.5,-1.3).. (0.6,0.3)}
          -- (0.8,0.3) -- (0.8,-1) -- (-0.8,-1) -- cycle;
        \path[fib housing vert]
          (-0.8,0.2) arc (180:0:0.8 and 0.03) -- (0.8,-0.6) arc (0:180:0.8 and 0.03) -- cycle;
        \path[fib housing vert]
          (0.8,-0.6) arc (0:180:0.8 and 0.03) -- (-0.3,-1) arc (180:0:0.3 and 0.01) -- cycle;
      \end{scope}
    \end{scope}
    \begin{scope}[yshift=-6cm, scale=0.5]
      % Probe
      \path[draw, rounded corners=1pt]
        (-1,-0.2) rectangle (1,-0.3);
      \path[draw, fill, top color=black!5, bottom color=black!20, rounded corners=2pt]
        (-0.5,0) -- (-0.5,-0.18) -- (0.5,-0.18) -- (0.5,0) -- (0.2,0) -- (0,-0.07) -- (-0.2,0) -- cycle
        (0,-0.07) coordinate (target);
      \path[draw, fill=black!60]
        (-0.5,-0.07) -- (-0.55,-0.07) to[out=180, in=0] (-0.6,-0.13) {[rounded corners=1pt] -- (-0.68,-0.13) --
          (-0.68,-0.2)} -- (-0.6,-0.2) to[out=0, in=180] (-0.55,-0.14) -- (-0.5,-0.14) -- cycle;
      \path[draw, fill=black!60]
        (0.5,-0.07) -- (0.55,-0.07) to[out=0, in=180] (0.6,-0.13) {[rounded corners=1pt] -- (0.68,-0.13) --
          (0.68,-0.2)} -- (0.6,-0.2) to[out=180, in=0] (0.55,-0.14) -- (0.5,-0.14) -- cycle;
    \end{scope}
    \begin{scope}[yshift=-5.7cm, rotate around={-30:(-0.75,0.2)}]
      % Szintillator
      \path[draw=black!80, line width=0.03cm] % 1. Antenne
        (-0.7,0.2) -- (-0.4,0.15) -- (-0.1,0.2);
      \path[fib housing horz]
        (-0.9,0.3) -- (-0.6,0.25) arc(90:270:0.1 and 0.15) -- (-0.9,0) arc(270:90:0.1 and 0.15) --cycle;
      \path[fib housing]
        (-0.6,0.1) ellipse (0.1 and 0.15);
      \begin{scope}
        \path[fib housing]
          (-0.6,0.1) ellipse (0.07 and 0.11);
        \path[clip]
          (-0.6,0.1) ellipse (0.07 and 0.11);
        \path[shading=ball, ball color=black!30]
          (-0.5,0) circle (0.4);
      \end{scope}
      \path[draw=black!80, line width=0.03cm] % 2. Antenne
        (-0.9,0.05) -- (-0.6,0) -- (-0.4,-0.2);
    \end{scope}
    \begin{scope}[yshift=-6cm]
      % Gasnadel
      \path[fib housing horz]
        (2,0.7) -- (0.35,0.3) -- (0.1,0.1) -- (0.1,0.05) -- (0.4,0.25) -- (2,0.6) -- cycle;
    \end{scope}
    \begin{scope} % Strahlen
      % Ionen
      \path[draw=black!80, dashed]
        (source) -- (emitter)
        (emitter) -- (ionlens1 -| -0.23,0) -- (ionblende -| 0.32,0)
        (ionblende -| 0.02,0) -- (ionocto1 -| 0.028,0) -- (ionocto2 -| 0.03,0) -- (ionlens2 -| 0.07,0) --
        (target) --
        (ionlens2 -| -0.07,0) -- (ionocto2 -| -0.03,0) -- (ionocto1 -| -0.028,0) -- (ionblende -| -0.02,0)
        (ionblende -| -0.32,0) -- (ionlens1 -| 0.23,0) -- (emitter);
      \path[fill=white, opacity=0.3]
        (emitter) -- (ionlens1 -| -0.23,0) -- (ionblende -| 0.32,0) --
        (ionblende -| 0.02,0) -- (ionocto1 -| 0.028,0) -- (ionocto2 -| 0.03,0) -- (ionlens2 -| 0.07,0) --
        (target) --
        (ionlens2 -| -0.07,0) -- (ionocto2 -| -0.03,0) -- (ionocto1 -| -0.028,0) --
        (ionblende -| -0.02,0) -- (ionblende -| -0.32,0) -- (ionlens1 -| 0.23,0) -- cycle;
      % Licht
      \path[draw=red]
        (1.6,-3) -- (0.6,-3) -- (0.6,-4) -- (0.1,-4) -- (0.1,-4.85) -- (0.34,-4.67) -- (target)
        (1.8,-3.2) -- (0.4,-3.2) -- (0.4,-4.2) -- (-0.1,-4.2) -- (-0.1,-4.85) -- (-0.34,-4.67) -- (target);
      \path[draw=red,->]
        (2.1,-3.1) -- (1.9,-3) -- (1.85,-3);
      \path[draw=red,->]
        (2.1,-3.1) -- (1.9,-3.2) -- (1.85,-3.2);
      \path[draw=red]
        (1.85,-3) -- (1.6,-3)
        (1.85,-3.2) -- (1.8,-3.2);
      \path[draw=red,->]
        (1.6,-3) -- (1.6,-3.3);
      \path[draw=red,->]
        (1.8,-3.2) -- (1.8,-3.3);
      \path[draw=red]
        (1.7,-3.7) -- (1.6,-3.4) -- (1.6,-3.3)
        (1.7,-3.7) -- (1.8,-3.4) -- (1.8,-3.3);
    \end{scope}
    % Beschriftung
    \begin{scope}[arrow]
      \path[draw] (0.9,0.3) node[anchor=west] {Galliumquelle mit Heizwendel} to[out=180, in=45] (0.2,-0.3);
      \path[draw] (1.5,-0.6) node[anchor=west] {\english{extractor}} to[out=180, in=45] (extractor);
      \path[draw,shorten >=0.1cm] (1.5,-0.3) node[anchor=west] {\english{suppressor}} to[out=180, in=45] (suppressor);
      \path[draw] (-0.7,0.5) node[anchor=east] (tmp) {Ionenpumpe Quelle} (tmp) to[out=-90, in=180] (-1.3, -0.2);
      \path[draw,shorten >=0.1cm] (-1.1,-1.2) node[anchor=east] {Austritt} to[out=0, in=225] (emitter);
      \path[draw] (1.5,-1.3) node[anchor=west] {Ionenpumpe} to[out=180, in=45] (1,-1.5);
      \path[draw,shorten >=0.1cm] (-0.9,-1.8) node[anchor=east] (quad) {Quadrupole 1, 2} to[out=0, in=160] (quadA);
      \path[draw,shorten >=0.1cm]  (quad) to[out=0, in=160] (quadB);
      \path[draw,shorten >=0.05cm] (-1.1,-1.4) node[anchor=east] {1. Linse} to[out=0, in=135] (linse1);
      \path[draw,shorten >=0.05cm] (1.5,-1.8) node[anchor=west] {Blende} to[out=180, in=60] (blende);
      \path[draw, shorten >=0.1cm] (-1.1,-2.3) node[anchor=east] {\english{blanker}} to[out=0, in=140] (blanker);
      \path[draw, shorten >=0.1cm] (-1.1,-2.7) node[anchor=east] {Faradaykäfig} to[out=0, in=140] (faraday);
      \path[draw, shorten >=0.1cm] (-1.1,-3.1) node[anchor=east] (okto) {Oktopole 1, 2} to[out=0, in=140] (octoA);
      \path[draw, shorten >=0.1cm] (okto) to[out=0, in=140] (octoB);
      \path[draw] (1.5,-2.1) node[anchor=west] {optische Einkopplung} to[out=180, in=70] (0.5, -2.9);
      \path[draw,shorten >=0.2cm] (2,-2.35) node[anchor=east] {Lichtquelle} to[out=0, in=50] (2.2,-3.1);
      \path[draw, shorten >=0.2cm] (2,-4.1) node[anchor=west] {CCD Kamera} to[out=180, in=-70] (1.7,-3.7);
      \path[draw] (1.5,-4.5) node[anchor=west] {Objektiv} to[out=180, in=20] (0.5,-4.7);
      \path[draw] (-1.1,-4.7) node[anchor=east] {2. Linse} to[out=0, in=150] (linse2);
      \path[draw] (1.5,-5.1) node[anchor=west] {Gasinjektionsnadel} to[out=180, in=70] (0.7,-5.6);
      \path[draw] (1.5,-5.8) node[anchor=west] {Probe} to[out=180, in=20] (0.3,-6);
      \path[draw] (-1.1,-5.1) node[anchor=east] {Szintillator} to[out=0, in=110] (-0.8,-5.4);
      \path[draw] (-1.1,-6) node[anchor=east] {Antennen} to[out=0, in=-120] (-0.7,-5.9);
    \end{scope}
  \end{scope}
\end{tikzpicture}
\end{document}

Comments

  • #1 Sharpie, December 14, 2009 at 5:08 a.m.

    Amazing Graphic!

    Thank you so much for contributing this as an example of what TikZ is capable of.

  • #2 Arii, January 15, 2010 at 5:41 a.m.

    I got errors

  • #3 Kjell Magne Fauske, January 15, 2010 at 8:26 a.m.

    @Arii: Compiles fine for me. Difficult to offer any advice without some details about the error.

  • #4 Helyx, January 17, 2013 at 3:58 p.m.

    Really amazing graphic. Also got an error first, because if you open it in your browser it makes "Faradaykäfig" out of "Faradaykäfig" and Latex can't interpret that. Anyway really great work.

  • #5 Phil, September 5, 2013 at 11:04 a.m.

    Insane !

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