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Comparing UserCode/TIBTIDNotes/TIBTIDIntNote/SiStripLayout.tex (file contents):
Revision 1.3 by lino, Wed Jan 28 15:08:27 2009 UTC vs.
Revision 1.5 by carlo, Mon Apr 27 14:27:03 2009 UTC

-+
+\section{TIB and TID layout}
-+
-+
+TIB and TID are very compact objects with high readout granularity;
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+channel and module densities are three to four times larger than in
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+the other SST subsystems as shown in Table~\ref{table:Density} where
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+the main parameters of the SST subsystems are
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+reported.
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+The TIB and TID layout has been designed keeping in mind their complexity:
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+the mechanical structures have been simplified as much as possible,
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+while the routing of the services (cooling, readout, controls) has been
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+adapted to the very high channel density making use of all accessible
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+paths inside the detector.
-+
-+
+%matching the
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+%following features: simple mechanical structure; easy routing of the
-+
+%large number of service connections (cooling, readout, controls); easy
-+
+%component mounting in the case of the TIB non-planar (cylindrical)
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+%geometry; optimization the theta (and phi?) for the TID.
-+
-+
+The TIB is structured in four concentric layers. Each layer is
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+split along the vertical plane at $z=0$ into two almost identical half-layers. Each
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+half-layer is further split along the horizontal at $y=0$ into two semi-cylindrical
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+structures, also referred to as ``shells''.
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+Both spilts in $\phi$ and $z$ are done ins such a way that the sensor surfaces always
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+overlap leaving no dead area when measuring high momentum charged particles coming
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+from the interaction region.
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+The shell structure is a
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+semi-cylindrical carbon fiber assembly strenghten by two circular
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+flanges at both ends. To decrease their density and to provide a better accessibility
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+during integration, modules and services are hold
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+either on the external and the internal surfaces. The services are laid down on
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+the surface and run parallel to the $z$ axis.
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+% on the surface toward the end (i.e. in the
-+
+%direction along which $|z|$ increases).
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+The modules and the related
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+services that sit on the same side of a shell at the same $\phi$
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+coordinate constitute a \textit{string}.
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-+
+The TID is split into six disks (three per each side of
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+TIB). The disk is made up by three sub-disks called "rings" since each
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+ring holds modules at the same radius. The ring structure consists of
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+a mechanical support made of an annular carbon fiber honeycomb.
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+Also in this case modules and services are located on both sides
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+of the mechanical structure.
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+%to decrease the density
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+%and therefore providing a better accessibility during ring integration
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+%and  disk assembly.
-+
-+
+The TIB/TID system is physically
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+divided into two separated structures, one located in the
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+$z > 0$ region and one located in the $z < 0$ region and known as
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+TIB/TID+ and TIB/TID- respectively. Each TID+ and TID- is obtained by
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+inserting, positioning and fixing the three disks into a carbon fiber
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+cylinder called {\it Service Cylinder}. Each Service Cylinder has
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+several holes at the disk positions; this allow the
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+connection of the power lines and to route out all the fibers of the
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+disk. The Service Cylinder is also used to connect mechanically TIB+/-
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+and TID+/-, and to route out the services of the TIB and of the TID.
-+
-+
+The cooling in the TIB/TID is distributed via aluminum pipe circuits
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+that  are bent into loops and soldered to inlet/outlet manifolds at
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+the flange for the TIB, and at the ring outer edge for the TID.
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+The thermal connection between pipes and sensor modules is made with Aluminum ledges which are
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+precisely glued on the carbon fiber support structure and in good thermal contact with the pipes.
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+On each ledge there are two threaded M1 holes onto which the modules are tightened.
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+Precisely drilled slots, coaxial with the threaded holes, are the reference point where
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+insets are stick in providing mechanical reference for modules. An example for a TIB module
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+is shown in Fig.~\ref{fig:module_cooling}).
-+
-+
+The TIB and TID substructures, 16 shells and 18 rings, are relatively
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+large-sized objects: one shell holds 135 to 216 modules, one ring holds 40 to 48 modules.
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+Some other relevant specifications of the TIB and TID substructures are
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+summarized in Table~\ref{table:layers}.
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+A finished half of the TIB and a TID Disk are shown in
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+Fig.~\ref{fig:tibtid}. The pictures allow the sub-structures to be
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+recognized.
-+
-+
-+
-+
+\begin{figure}[!htb]
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+\begin{center}
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+  \includegraphics[width=0.45\textwidth]{Figs/shell.pdf}
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+%  \includegraphics[height=0.5\textwidth]{Figs/TIB-assembled.pdf}
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+  \hskip 1cm
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+  \includegraphics[width=0.45\textwidth]{Figs/TIB_barrel.png}
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+\end{center}
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+\caption{A L3 TIB shell (left panel) and half of TIB assembled (right panel).}
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+\label{fig:tib}       % Give a unique label
-+
+\end{figure}
-+
-+
+\begin{figure}[!htb]
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+\begin{center}
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+  \includegraphics[height=0.35\textwidth]{Figs/ring.pdf}
-+
+%  \includegraphics[height=0.5\textwidth]{Figs/TIB-assembled.pdf}
-+
+  \hskip 3cm
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+  \includegraphics[height=0.35\textwidth]{Figs/TID-disk.pdf}
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+\end{center}
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+\caption{A TID ring 1 assembled (left panel) and one complete TID disk (right panel).}
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+\label{fig:tid}       % Give a unique label
-+
+\end{figure}
-+
-+
-+
+\begin{table}[!htb]
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+\begin{center}
-+
+%\begin{tabular}{|l||c|c|c|c|c|c|c|}
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+\caption[smallcaption]{Total number of modules, strips (or electronic readout channels), detector volume and
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+channel density for the different tracker subsystems. Service access area is also defined
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+for barrel geometry detectors (TIB and TOB) as their flange area. The channel density in this
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+area gives also an idea of the complexity of the detector integration.}
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+\label{table:Density}
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+\begin{tabular}{|l|ccccccc|}
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+\hline
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+ &         &          &        & Module   & Channel                    & Service  & Service              \\
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+ & \# of   &\# of     & Volume & Density   & Density                    & Area & Density             \\
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+ & modules & channels & [m$^3$]& [$\times 10^3$  m$^{-3}$] & [$\times 10^6$ ch m$^{-3}$] & [m$^2$] &  [$\times 10^6$ ch m$^{-2}$]\\
-+
+%\hline
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+\hline
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+TIB & 2724 & 1 787 904 & 0.82 & 3.2 &  2.2 & 1.6 & 1.11\\
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+%\hline
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+TID & 816 & 565 248 & 0.5 & 1.6  & 1.1  & & \\
-+
+%\hline
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+TOB & 5208 & 3 096 576 & 5.9 & 0.89  & 0.52 & 5.7 & 0.54\\
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+%\hline
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+TEC & 6400 & 3 866 624 & 11 & 0.58 & 0.35  & & \\
-+
+\hline
-+
+\end{tabular}
-+
+\end{center}
-+
+\end{table}
-+
-+
-+
+\begin{table}[!htb]
-+
+\begin{center}
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+\caption[smallcaption]{Details on the different layers/rings of the TIB/TID. }
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+\label{table:layers}
-+
+%\begin{tabular}{|l||c|c|c|c|c|c|c|}
-+
+\begin{tabular}{|l|ccccccc|}
-+
+\hline
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+ Layer & \# mechanical & \# cooling  &  DS/SS & \# of modules  & \# of channels & \# Control & \# Mother  \\
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+       &   structures  &  circuits    &  layer &  total         & per module         &  Rings     &  Cables  \\
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+ \hline
-+
+% \hline
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+TIB L1  & 4 shells & 12 & DS & 672 & 768 & 24 & 112 \\
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+TIB L2  & 4 shells & 16 & DS & 864 & 768 & 32 & 144 \\
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+TIB L3  & 4 shells & 12 & SS & 540 & 512 & 12 & 180 \\
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+TIB L4  & 4 shells & 16 & SS & 648 & 512 & 16 & 216 \\
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+TID R1  & 6 rings  & 24 & DS & 288 & 768 & 12 & 48 \\
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+TID R2  & 6 rings  & 24 & DS & 288 & 768 & 12 & 48 \\
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+TID R3  & 6 rings  & 24 & SS & 240 & 512 & 12 & 48 \\
-+
+\hline
-+
+\end{tabular}
-+
+\end{center}
-+
+\end{table}
-+
-+
-+
+%\subsection{Mechanical Structures}
-+
-+
+%A TIB shell is shown on Fig.~\ref{fig:tibshell}).
-+
-+
+%Each cooling loop hosts three modules placed in a straight row, which is called a
-+
+%A string of modules is connected to the same CCU, thus forming a control branch.
-+
-+
+%\begin{figure}
-+
+%\centering
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+%\includegraphics[width=\textwidth]{   }
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+%\caption{TIB shell: are visible the internal and external parts, the cooling pipes and the string}
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+%\label{fig:tibshell}
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+%\end{figure}
-+
-+
-+
+%\begin{figure}
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+%\centering
-+
+%\includegraphics[width=\textwidth]{   }
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+%\caption{TID ring }
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+%\label{fig:tidring}
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+%\end{figure}
-+
-+
-+
-+
+\begin{figure}
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+\centering
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+\includegraphics[width=0.6\textwidth]{Figs/module_cooling.pdf}
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+\caption{Module Cooling.
-+
+\textbf{Upper picture:} part of a cooling loop with six ledges to hold three modules and three
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+smaller ledges to hold Analog Opto-Hybrids (adjacent cooling circuits are partially visible).
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+\textbf{Lower picture:} a detail of a cooling loop. The cooling fluid direction
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+is evidenced with blue arrows, and the precision holes for module insertion are circled in
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+red. A module mounted on the nearby position is also visible.}
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+\label{fig:module_cooling}
-+
+\end{figure}

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Comparing UserCode/TIBTIDNotes/TIBTIDIntNote/SiStripLayout.tex (file contents): Revision 1.3 by lino, Wed Jan 28 15:08:27 2009 UTC vs. Revision 1.5 by carlo, Mon Apr 27 14:27:03 2009 UTC

Diff Legend

Comparing UserCode/TIBTIDNotes/TIBTIDIntNote/SiStripLayout.tex (file contents):
Revision 1.3 by lino, Wed Jan 28 15:08:27 2009 UTC vs.
Revision 1.5 by carlo, Mon Apr 27 14:27:03 2009 UTC