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 A  sample_notebooks/kapiljain/Chapter12.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {
+    "collapsed": true
+   },
+   "source": [
+    "# Chapter 12 : Integrated circuits and micro electromechanical Systems "
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example number 12.1, Page Number 144"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Effective Resistance= 10.17 k-ohm \n"
+     ]
+    }
+   ],
+   "source": [
+    "#importing modules \n",
+    "import math\n",
+    "from __future__ import division\n",
+    "\n",
+    "#Variable declaration\n",
+    "l=100                 #length of resistor in micro-m\n",
+    "w=10                  #width of resistor in micro-m\n",
+    "R=0.9                 #sheet resistance in k-ohm/n \n",
+    "End_points=0.65*2     #Total contribution of two end points\n",
+    "\n",
+    "#Calculations\n",
+    "Total_squares=l/w\n",
+    "T=Total_squares+End_points  #Total effective sqaures\n",
+    "Reff=T*R\n",
+    "\n",
+    "#Result\n",
+    "print \"Effective Resistance= %0.2f k-ohm \" %Reff"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example number 12.2, Page Number 144"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Capacitance per unit area= 6.90e-11 F/cm^2 \n"
+     ]
+    }
+   ],
+   "source": [
+    "#importing modules \n",
+    "import math\n",
+    "from __future__ import division\n",
+    "\n",
+    "#Variable declaration\n",
+    "epsilon_0=8.85*10**-14   #in F/cm\n",
+    "epsilon_i=3.9            #in F/cm\n",
+    "tox=0.5*10**-4           #in cm\n",
+    "\n",
+    "#Calculations\n",
+    "C=(epsilon_0*epsilon_i)/tox\n",
+    "C=C/10**2                 #converting from pF to F\n",
+    "\n",
+    "#Result\n",
+    "print \"Capacitance per unit area= %.2e F/cm^2 \" %C"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Example number 12.3, Page Number 145"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 9,
+   "metadata": {
+    "collapsed": false
+   },
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Sheet resistance= 250 ohm\n",
+      "\n",
+      "average resistivity= 0.025 ohm-cm\n"
+     ]
+    }
+   ],
+   "source": [
+    "#importing modules \n",
+    "import math\n",
+    "from __future__ import division\n",
+    "\n",
+    "#Variable declaration\n",
+    "Length=4             #in micro-m\n",
+    "Width=1              #in micro-m\n",
+    "R=1000               #in ohm\n",
+    "xj=1*10**-4          #junction depth in cm\n",
+    "\n",
+    "#Calculations\n",
+    "N=Length/Width\n",
+    "R0=R/N\n",
+    "rho=R0*xj\n",
+    "\n",
+    "#Result\n",
+    "print\"Sheet resistance= %i ohm\\n\" %R0\n",
+    "print\"average resistivity= %0.3f ohm-cm\" %rho"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 2",
+   "language": "python",
+   "name": "python2"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 2
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython2",
+   "version": "2.7.11"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 0
+}