diff --git a/process_design_rules/process_design_rules.tex b/process_design_rules/process_design_rules.tex
index 2acf8d71907ce934857555127a6b4d74ab72e738..ba273a3b22fd998fae1679a533da5ffbc50e592a 100644
--- a/process_design_rules/process_design_rules.tex
+++ b/process_design_rules/process_design_rules.tex
@@ -63,5 +63,348 @@
 \end{abstract}
 \newpage
 \maketitle
-\input{design_rules_overview.tex}
+\section{Layer Definitions}\label{design_rules_layer_definitions}
+
+\begin{center}
+%    \captionof{table}{Mask Layers (for Production)}
+    \begin{tabular}{|l|c|c|p{7.5cm}|}
+    \hline
+        \textbf{Name} & \textbf{GDSII} & \textbf{CIF} & \textbf{Description} \\
+    \hline
+        PWELL   & 41 & CWP & p-well \\
+        NWELL   & 42 & CWN & n-well \\
+        ACTIVE  & 43 & CAA & active area \\
+        PPLUS   & 44 & CSP & $p^{+}$ implant \\
+        NPLUS   & 45 & CSN & $n^{+}$ implant \\
+        POLY    & 46 & CPG & poly silicium \\
+        CONTACT & 25 & CCC & contact (connects METAL1 to POLY) \\
+        METAL1  & 49 & CM1 & lowest metal layer \\
+        VIA1    & 50 & CV1 & via layer (connects METAL2 to METAL1) \\
+        METAL2  & 51 & CM2 & second metal layer \\
+        VIA2    & 61 & CV2 & via layer (connects METAL3 to METAL2) \\
+        METAL3  & 62 & CM3 & third metal layer \\
+        GLASS   & 52 & COG & passivation / isolation \\
+    \hline
+    \end{tabular}
+\end{center}
+
+\section{General Requirements}\label{design_rules_general_requirements}
+
+\begin{flushleft}
+    \begin{tabular}{c p{9cm} c}
+        1.1  & All scaled dimensions are specified in Lambda & $\lambda$. \\
+        1.2  & All fixed dimensions are specified in Microns & $\mu m$. \\
+        1.3  & All geometries must be drawn on grid. The grid size is & $1 \lambda$. \\
+        1.4  & Polygones should be rectangles with 90 degree angles only. \\
+        1.5  & The die size should be an integer multiple of & $10 \mu m$. \\
+    \end{tabular}
+\end{flushleft}
+
+
+\begin{center}
+    \begin{tabular}{|l|c|c|}
+    \hline
+        \textbf{Node} & \textbf{$\lambda$} & \textbf{$2 \lambda$} \\
+    \hline
+	    1 micron & 500nm & 1$\mu$m \\
+	    0.5 micron & 250nm & 500nm \\
+	    0.25 micron & 125nm & 250nm \\
+    \hline
+    \end{tabular}
+\end{center}
+
+\section{Process Layer Overview}\label{design_rules_process_layer_overview}
+
+\begin{center}
+%    \captionof{table}{Mask Layer Minimum Values}
+    \begin{tabular}{|l|c|c|}
+    \hline
+        \textbf{Name} & \textbf{Minimum Width} & \textbf{Minimum Spacing} \\
+    \hline
+        PWELL   & 10 $\lambda$ & 10 $\lambda$ \\
+        NWELL   & 10 $\lambda$ & 10 $\lambda$ \\
+        ACTIVE  & 3  $\lambda$ & 3  $\lambda$ \\
+        POLY    & 2  $\lambda$ & 2  $\lambda$ \\
+        CONTACT & 2  $\lambda$ & 2  $\lambda$ \\
+        METAL1  & 4  $\lambda$ & 4  $\lambda$ \\
+        VIA1    & 2  $\lambda$ & 3  $\lambda$ \\
+        METAL2  & 4  $\lambda$ & 4  $\lambda$ \\
+        VIA2    & 2  $\lambda$ & 3  $\lambda$ \\
+        METAL3  & 6  $\lambda$ & 4  $\lambda$ \\
+    \hline
+    \end{tabular}
+\end{center}
+
+\section{Structure Rules}\label{design_rules_structure_rules}
+
+\subsection{PWELL Rules}\label{design_rules_pwell_rules}
+
+\begin{center}
+    \begin{tikzpicture}[scale=(.33)]
+        \filldraw[fill=pwell] (0, 0) rectangle ++(10, 10) node[near end] {PWELL};
+        \draw[<->] (0, 1) -- (10, 1) node[near start, above] {2.2.1};
+        \draw[<->] (1, 0) -- (1, 10) node[near start, left] {2.2.1};
+        \draw[<->] (10, 5) -- (19, 5) node[near start, above] {2.2.2};
+        \filldraw[fill=pwell] (19, 0) rectangle ++(10, 10) node[near end] {PWELL};
+        \draw[<->] (29, 5) -- (35, 5) node[near start, above] {2.2.3};
+        \filldraw[fill=pwell] (35, 0) rectangle ++(10, 10) node[near end] {PWELL};
+    \end{tikzpicture}
+\end{center}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.1.1  & Minimum Width of PWELL is & $ 10 \lambda $. \\
+        2.1.2  & Minimum Spacing to PWELL at different potential is & $ 10 \lambda $. \\
+        2.1.3  & Minimum Spacing to PWELL at same potential is & $ 0 \lambda $. \\
+        2.1.4  & Minimum Spacing to NWELL is & $ 12 \lambda $. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{NWELL Rules}\label{design_rules_nwell_rules}
+
+\begin{center}
+    \begin{tikzpicture}[scale=(.33)]
+        \filldraw[fill=nwell] (0, 0) rectangle ++(10, 10) node[near end] {NWELL};
+        \draw[<->] (0, 1) -- (10, 1) node[near start, above] {2.2.1};
+        \draw[<->] (1, 0) -- (1, 10) node[near start, left] {2.2.1};
+        \draw[<->] (10, 5) -- (19, 5) node[near start, above] {2.2.2};
+        \filldraw[fill=nwell] (19, 0) rectangle ++(10, 10) node[near end] {NWELL};
+        \draw[<->] (29, 5) -- (35, 5) node[near start, above] {2.2.3};
+        \filldraw[fill=nwell] (35, 0) rectangle ++(10, 10) node[near end] {NWELL};
+    \end{tikzpicture}
+\end{center}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.2.1  & Minimum Width of NWELL is & $ 10 \lambda $. \\
+        2.2.2  & Minimum Spacing to NWELL at different potential is & $ 10 \lambda $. \\
+        2.2.3  & Minimum Spacing to NWELL at same potential is & $ 0 \lambda $. \\
+        2.2.4  & Minimum Spacing to PWELL is & $ 12 \lambda $. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{PBASE Rules}\label{design_rules_pbase_rules}
+
+\begin{center}
+    \begin{tikzpicture}[scale=(.33)]
+        \filldraw[fill=nwell] (0, 0) rectangle (10, 10);
+        \filldraw[fill=pbase] (1, 1) rectangle ( 9,  9);
+	\node at (5,0.5) {NWELL};
+	\node at (5,1.5) {PBASE};
+	% overlap
+        \draw[<->] (0, 1) -- ( 1,  1) node[near start, above] {2.2.6};
+        \draw[<->] (9, 9) -- (10,  9) node[near start, above] {2.2.6};
+        \draw[<->] (1, 9) -- ( 1, 10) node[near start, left] {2.2.6};
+        \draw[<->] (9, 0) -- ( 9,  1) node[near start, right] {2.2.6};
+	% width
+        \draw[<->] (1, 5) -- ( 9,  5) node[near start, above] {2.2.5};
+    \end{tikzpicture}
+\end{center}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.2.5  & Minimum Width of PBASE is & $ 10 \lambda $. \\
+        2.2.6  & Minimum Overlap of PBASE to NWELL is & $ 5 \lambda $. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{NBASE Rules}\label{design_rules_nbase_rules}
+
+\begin{center}
+    \begin{tikzpicture}[scale=(.33)]
+        \filldraw[fill=nwell] (0, 0) rectangle (10, 10);
+        \filldraw[fill=pbase] (1, 1) rectangle ( 9,  9);
+        \filldraw[fill=nbase] (2, 2) rectangle ( 8,  8);
+	\node at (5,0.5) {NWELL};
+	\node at (5,1.5) {PBASE};
+	\node at (5,2.5) {NBASE};
+	% overlap
+        \draw[<->] (1, 2) -- ( 2,  2) node[near start, above] {2.2.8};
+        \draw[<->] (8, 8) -- ( 9,  8) node[near start, above] {2.2.8};
+        \draw[<->] (2, 8) -- ( 2,  9) node[near start, left] {2.2.8};
+        \draw[<->] (8, 1) -- ( 8,  2) node[near start, right] {2.2.8};
+	% width
+        \draw[<->] (2, 5) -- ( 8,  5) node[near start, above] {2.2.7};
+    \end{tikzpicture}
+\end{center}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.2.7  & Minimum Width of NBASE is & $ 10 \lambda $. \\
+        2.2.8  & Minimum Overlap of NBASE to PBASE is & $ 5 \lambda $. \\
+    \end{tabular}
+\end{flushleft}
+
+
+\subsection{ACTIVE Rules}\label{design_rules_active_rules}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.3.1   & Minimum Width of ACTIVE is & $3 \lambda$. \\
+        2.3.2   & Minimum Spacing to ACTIVE is & $3 \lambda$. \\
+        2.3.3   & Minimum Source/Drain surround by PWELL/NWELL is & $6 \lambda$. \\
+        2.3.4   & Minimum Substrate/NWELL contact sourround by PWELL/NWELL is & $3 \lambda$. \\
+        2.3.5   & Minimum Spacing to ACTIVE of opposite type is & $4 \lambda$. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{POLY Rules}\label{design_rules_poly_rules}
+
+\begin{center}
+    \begin{tikzpicture}[scale=(.4)]
+        \filldraw[fill=poly] (0, 0) rectangle ++(2, 12);
+        \draw[<->] (0, 6) -- (2, 6) node[near start, above] {2.4.1};
+        \draw[<->] (2, 4) -- (4, 4) node[near start, above] {2.4.3};
+        \filldraw[fill=nitride] (7, 0) rectangle ++(5, 12);
+        \draw[<->] (10, 5) -- (10, 7) node[near start, left] {2.4.2};
+        \draw[<->] (9, 0) -- (9, 3) node[near start, left] {2.4.5};
+        \filldraw[fill=poly] (4, 5) -- ++(10, 0) -- ++(0, -2) -- ++(-8, 0) -- ++(0, -3) -- ++(-2, 0) -- ++(0, 5);
+        \filldraw[fill=poly] (4, 7) -- ++(0, 5) -- ++(2, 0) -- ++(0, -3) -- ++(8, 0) -- ++(0, -2) -- ++(-10, 0);
+        \draw[<->] (12, 8) -- (14, 8) node[near start, above] {2.4.4};
+        \draw[<->] (6, 10) -- (7, 10) node[near start, above] {2.4.6};
+	\node at(1,12.5) {POLY};
+	\node at(9,12.5) {ACTIVE};
+    \end{tikzpicture}
+\end{center}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.4.1   & Minimum Width of POLY is & $2 \lambda$. \\
+        2.4.2   & Minimum Spacing to POLY over ACTIVE is & $2 \lambda$. \\
+        2.4.3   & Minimum Spacing to POLY over others is & $2 \lambda$. \\
+        2.4.4   & Minimum Gate extension beyond ACTIVE is & $2 \lambda$. \\
+        2.4.5   & Minimum ACTIVE extension beyond POLY is & $3 \lambda$. \\
+        2.4.6   & Minimum Spacing of POLY to ACTIVE is & $1 \lambda$. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{NPLUS/PPLUS Rules}\label{design_rules_plus_rules}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.5.1   & Minimum Spacing to POLY is & $3 \lambda$. \\
+        2.5.2   & Minimum Overlap to ACTIVE is & $2 \lambda$. \\
+        2.5.3   & Minimum Overlap to CONTACT is & $1 \lambda$. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{CONTACT Rules}\label{design_rules_contact_rules}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.6.1   & Exact Width/Height of CONTACT is & $ 2 \lambda \times 2 \lambda$. \\
+        2.6.2   & Minimum Overlap by POLY or ACTIVE is & $1 \lambda$. \\
+        2.6.3   & Minimum Spacing to CONTACT is & $2 \lambda$. \\
+        2.6.4   & Minimum Spacing to Gate is & $2 \lambda$. \\
+        2.6.5   & Minimum Spacing of POLY CONTACT to other POLY is & $4 \lambda$. \\
+        2.6.6   & Minimum Spacing of ACTIVE CONTACT to POLY CONTACT is & $4 \lambda$. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{METAL1 Rules}\label{design_rules_metal1_rules}
+
+\begin{center}
+    \begin{tikzpicture}[scale=(.33)]
+        \filldraw[fill=metal1] (0, 0) rectangle ++(4, 10) node[near end] {METAL1};
+        \draw[<->] (0, 1) -- (4, 1) node[near start, above] {2.7.1};
+        \draw[<->] (4, 5) -- (8, 5) node[near start, above] {2.7.2};
+        \filldraw[fill=metal1] (8, 0) rectangle ++(4, 10) node[near end] {METAL1};
+        \filldraw[fill=titanium] (9, 1) rectangle ++(2, 2); % !! color code
+        \draw[<->] (8, 2) -- (9, 2) node[near start, above] {2.7.3};
+        \draw[<->] (12, 5) -- (18, 5) node[near start, above] {2.7.4};
+        \filldraw[fill=metal1] (18, 0) rectangle ++(20, 10) node[near end] {(Big-)METAL1};
+        \draw[<->] (18, 1) -- (38, 1) node[near start, above] {$ \geq 10 \mu m$};
+    \end{tikzpicture}
+\end{center}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.7.1   & Minimum Width of METAL1 is & $4 \lambda$. \\
+        2.7.2   & Minimum Spacing of METAL1 is & $4 \lambda$. \\
+        2.7.3   & Minimum Overlap of CONTACT or VIA is & $1 \lambda$. \\
+        2.7.4   & Minimum Spacing to METAL1 for lines wider than $10 \mu m$ is & $6 \lambda$. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{VIA1 Rules}\label{design_rules_via1_rules}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.8.1   & Exact Width/Height of VIA1 is & $ 2 \lambda \times 2 \lambda$. \\
+        2.8.2   & Minimum Spacing to VIA1 is & $3 \lambda$. \\
+        2.8.3   & Minimum Spacing to CONTACT is & $2 \lambda$. \\
+        2.8.4   & Minimum Spacing to POLY or ACTIVE is & $2 \lambda$. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{METAL2 Rules}\label{design_rules_metal2_rules}
+
+\begin{center}
+    \begin{tikzpicture}[scale=(.33)]
+        \filldraw[fill=metal2] (0, 0) rectangle ++(4, 10) node[near end] {METAL2};
+        \draw[<->] (0, 1) -- (4, 1) node[near start, above] {2.9.1};
+        \draw[<->] (4, 5) -- (8, 5) node[near start, above] {2.9.2};
+        \filldraw[fill=metal2] (8, 0) rectangle ++(4, 10) node[near end] {METAL2};
+        \filldraw[fill=via1] (9, 1) rectangle ++(2, 2); % !! color code
+        \draw[<->] (8, 2) -- (9, 2) node[near start, above] {2.9.3};
+        \draw[<->] (12, 5) -- (18, 5) node[near start, above] {2.9.4};
+        \filldraw[fill=metal2] (18, 0) rectangle ++(20, 10) node[near end] {(Big-)METAL2};
+        \draw[<->] (18, 1) -- (38, 1) node[near start, above] {$ \geq 10 \mu m$};
+    \end{tikzpicture}
+\end{center}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        2.9.1   & Minimum Width of METAL2 is & $4 \lambda$. \\
+        2.9.2   & Minimum Spacing to METAL2 is & $4 \lambda$. \\
+        2.9.3   & Minimum Overlap to VIA1 is & $1 \lambda$. \\
+        2.9.4   & Minimum Spacing to METAL2 for lines wider than $10 \mu m$ is & $6 \lambda$. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{VIA2 Rules}\label{design_rules_via2_rules}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+	2.10.1   & Exact Width/Height of VIA2 is & $ 2 \lambda \times 2 \lambda$. \\
+        2.10.2   & Minimum Spacing to VIA2 is & $3 \lambda$. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{METAL3 Rules}\label{design_rules_metal3_rules}
+
+\begin{center}
+    \begin{tikzpicture}[scale=(.33)]
+        \filldraw[fill=metal2] (0, 0) rectangle ++(4, 10) node[near end] {METAL3}; % !! color code
+        \draw[<->] (0, 1) -- (4, 1) node[near start, above] {2.11.1};
+        \draw[<->] (4, 5) -- (8, 5) node[near start, above] {2.11.2};
+        \filldraw[fill=metal2] (8, 0) rectangle ++(4, 10) node[near end] {METAL3}; % !! color code
+        \filldraw[fill=via2] (9, 1) rectangle ++(2, 2); % !! color code
+        \draw[<->] (8, 2) -- (9, 2) node[near start, above] {2.11.3};
+        \draw[<->] (12, 5) -- (18, 5) node[near start, above] {2.11.4};
+        \filldraw[fill=metal2] (18, 0) rectangle ++(20, 10) node[near end] {(Big-)METAL3}; % !! color code
+        \draw[<->] (18, 1) -- (38, 1) node[near start, above] {$ \geq 10 \mu m$};
+    \end{tikzpicture}
+\end{center}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+        4.11.1  & Minimum Width of METAL3 is & $6 \lambda$. \\
+        2.11.2  & Minimum Spacing to METAL3 is & $4 \lambda$. \\
+        2.11.3  & Minimum Overlap to VIA2 is & $1 \lambda$. \\
+        2.11.4  & Minimum Spacing to METAL3 for lines wider than $10 \mu m$ is & $6 \lambda$. \\
+    \end{tabular}
+\end{flushleft}
+
+\subsection{GLASS Rules}\label{design_rules_glass_rules}
+
+\begin{flushleft}
+    \begin{tabular}{c l c}
+	2.12.1  & Exact Width/Height of GLASS is & $ 120 \lambda \times 120 \lambda$. \\
+        2.12.2  & Minimum METAL3 Overlap of GLASS opening is & $ 12 \lambda $. \\
+        2.12.3  & Minimum Spacing of pad METAL3 to unrelated METAL is & $30 \mu m$. \\
+        2.12.4  & Minimum Spacing of pad METAL3 to ACTIVE or POLY is & $15 \mu m$. \\
+    \end{tabular}
+\end{flushleft}
+
 \end{document}