diff --git a/hurricane/src/analog/CMakeLists.txt b/hurricane/src/analog/CMakeLists.txt
index 6434b401..b2680251 100644
--- a/hurricane/src/analog/CMakeLists.txt
+++ b/hurricane/src/analog/CMakeLists.txt
@@ -21,6 +21,7 @@
                                     MatrixParameter.cpp
                                     MCheckBoxParameter.cpp
                                     StepParameter.cpp
+                                    StringParameter.cpp
                                     BJT.cpp
                                     BJTFamily.cpp
                                     BJTFamilyNames.cpp
@@ -71,6 +72,7 @@
                                     PySimpleCurrentMirror.cpp
                                     PySpinBoxParameter.cpp
                                     PyStepParameter.cpp
+                                    PyStringParameter.cpp
                                     PyFloatParameter.cpp
                                     PyTransistor.cpp
                                     PyTransistorFamily.cpp
@@ -108,6 +110,7 @@
                                     hurricane/analog/SimpleCurrentMirror.h
                                     hurricane/analog/SpinBoxParameter.h
                                     hurricane/analog/StepParameter.h
+                                    hurricane/analog/StringParameter.h
                                     hurricane/analog/FloatParameter.h
                                     hurricane/analog/TransistorFamily.h
                                     hurricane/analog/TransistorFamilyNames.h
@@ -141,6 +144,7 @@
                                     hurricane/analog/PySimpleCurrentMirror.h
                                     hurricane/analog/PySpinBoxParameter.h
                                     hurricane/analog/PyStepParameter.h
+                                    hurricane/analog/PyStringParameter.h
                                     hurricane/analog/PyFloatParameter.h
                                     hurricane/analog/PyTransistorFamily.h
                                     hurricane/analog/PyTransistor.h
diff --git a/hurricane/src/analog/PyAnalog.cpp b/hurricane/src/analog/PyAnalog.cpp
index 4781012c..4528831e 100644
--- a/hurricane/src/analog/PyAnalog.cpp
+++ b/hurricane/src/analog/PyAnalog.cpp
@@ -40,6 +40,7 @@
 #include "hurricane/analog/PyFormFactorParameter.h"
 #include "hurricane/analog/PyMCheckBoxParameter.h"
 #include "hurricane/analog/PySpinBoxParameter.h"
+#include "hurricane/analog/PyStringParameter.h"
 #include "hurricane/analog/PyStepParameter.h"
 #include "hurricane/analog/PyFloatParameter.h"
 #include "hurricane/analog/PyCapacitiesParameter.h"
@@ -97,6 +98,7 @@ extern "C" {
     PyMCheckBoxParameter_LinkPyType();
     PySpinBoxParameter_LinkPyType();
     PyStepParameter_LinkPyType();
+    PyStringParameter_LinkPyType();
     PyFloatParameter_LinkPyType();
     PyCapacitiesParameter_LinkPyType();
     PyMatrixParameter_LinkPyType();
@@ -129,6 +131,7 @@ extern "C" {
     PYTYPE_READY_SUB( FormFactorParameter  , Parameter )
     PYTYPE_READY_SUB( MCheckBoxParameter   , Parameter )
     PYTYPE_READY_SUB( SpinBoxParameter     , Parameter )
+    PYTYPE_READY_SUB( StringParameter      , Parameter )
     PYTYPE_READY_SUB( StepParameter        , Parameter )
     PYTYPE_READY_SUB( FloatParameter       , Parameter )
     PYTYPE_READY_SUB( CapacitiesParameter  , Parameter )
@@ -160,6 +163,7 @@ extern "C" {
     __cs.addType( "ffpar"    , &PyTypeFormFactorParameter     , "<FormFactorParameter>"     , false, "parameter" );
     __cs.addType( "mcboxpar" , &PyTypeMCheckBoxParameter      , "<MCheckBoxParameter>"      , false, "parameter" );
     __cs.addType( "sboxpar"  , &PyTypeSpinBoxParameter        , "<SpinBoxParameter>"        , false, "parameter" );
+    __cs.addType( "strpar"   , &PyTypeStringParameter         , "<StringParameter>"         , false, "parameter" );
     __cs.addType( "steppar"  , &PyTypeStepParameter           , "<StepParameter>"           , false, "parameter" );
     __cs.addType( "floatpar" , &PyTypeFloatParameter          , "<FloatParameter>"          , false, "parameter" );
     __cs.addType( "capspar"  , &PyTypeCapacitiesParameter     , "<CapacitiesParameter>"     , false, "parameter" );
@@ -221,6 +225,8 @@ extern "C" {
     PyModule_AddObject( module, "MCheckBoxParameter" , (PyObject*)&PyTypeMCheckBoxParameter );
     Py_INCREF( &PyTypeSpinBoxParameter );
     PyModule_AddObject( module, "SpinBoxParameter"   , (PyObject*)&PyTypeSpinBoxParameter );
+    Py_INCREF( &PyTypeStringParameter );
+    PyModule_AddObject( module, "StringParameter"    , (PyObject*)&PyTypeStringParameter );
     Py_INCREF( &PyTypeStepParameter );
     PyModule_AddObject( module, "StepParameter"      , (PyObject*)&PyTypeStepParameter );
     Py_INCREF( &PyTypeFloatParameter );
diff --git a/hurricane/src/analog/PyParameter.cpp b/hurricane/src/analog/PyParameter.cpp
index a2ec1103..4530107f 100644
--- a/hurricane/src/analog/PyParameter.cpp
+++ b/hurricane/src/analog/PyParameter.cpp
@@ -21,6 +21,7 @@
 #include "hurricane/analog/PyFormFactorParameter.h"
 #include "hurricane/analog/PyMCheckBoxParameter.h"
 #include "hurricane/analog/PySpinBoxParameter.h"
+#include "hurricane/analog/PyStringParameter.h"
 #include "hurricane/analog/PyStepParameter.h"
 #include "hurricane/analog/PyFloatParameter.h"
 
@@ -121,6 +122,9 @@ extern "C" {
     StepParameter* stepParameter = dynamic_cast<StepParameter*>(object);
     if (stepParameter) return PyStepParameter_Link(stepParameter);
 
+    StringParameter* stringParameter = dynamic_cast<StringParameter*>(object);
+    if (stringParameter) return PyStringParameter_Link(stringParameter);
+
     FloatParameter* floatParameter = dynamic_cast<FloatParameter*>(object);
     if (floatParameter) return PyFloatParameter_Link(floatParameter);
 
diff --git a/hurricane/src/analog/PyStringParameter.cpp b/hurricane/src/analog/PyStringParameter.cpp
new file mode 100644
index 00000000..0d8b9ca4
--- /dev/null
+++ b/hurricane/src/analog/PyStringParameter.cpp
@@ -0,0 +1,81 @@
+// -*- C++ -*-
+//
+// This file is part of the Coriolis Software.
+// Copyright (c) UPMC 2020-2020, All Rights Reserved
+//
+// +-----------------------------------------------------------------+ 
+// |                   C O R I O L I S                               |
+// |           H u r r i c a n e   A n a l o g                       |
+// |                                                                 |
+// |  Author      :                    Jean-Paul Chaput              |
+// |  E-mail      :            Jean-Paul.Chaput@lip6.fr              |
+// | =============================================================== |
+// |  C++ Module  :  "./PyStringParameter.cpp"                       |
+// +-----------------------------------------------------------------+
+
+
+#include "hurricane/analog/PyStringParameter.h"
+
+
+namespace  Isobar {
+
+using namespace Hurricane;
+using namespace Analog;
+
+extern "C" {
+
+
+#undef  ACCESS_OBJECT
+#undef  ACCESS_CLASS
+#define ACCESS_OBJECT           _baseObject._object
+#define ACCESS_CLASS(_pyObject)  &(_pyObject->_baseObject)
+#define METHOD_HEAD(function)   GENERIC_METHOD_HEAD(StringParameter,stringParameter,function)
+
+#if defined(__PYTHON_MODULE__)
+
+// +=================================================================+
+// |            "PyStringParameter" Python Module Code Part          |
+// +=================================================================+
+
+
+  DirectGetStringAttribute( PyStringParameter_getValue, getValue , PyStringParameter, StringParameter)
+  DirectSetCStringAttribute(PyStringParameter_setValue, setValue , PyStringParameter, StringParameter)
+
+
+  // ---------------------------------------------------------------
+  // PyStringParameter Attribute Method table.
+
+  PyMethodDef PyStringParameter_Methods[] =
+    { { "getValue"          , (PyCFunction)PyStringParameter_getValue , METH_NOARGS
+                            , "Self explanatory." }
+    , { "setValue"          , (PyCFunction)PyStringParameter_setValue , METH_VARARGS
+                            , "Self explanatory." }
+    , { NULL, NULL, 0, NULL }  /* sentinel */
+    };
+
+
+  // +-------------------------------------------------------------+
+  // |             "PyStringParameter" Object Methods              |
+  // +-------------------------------------------------------------+
+
+
+  PythonOnlyDeleteMethod(StringParameter)
+  PyTypeObjectLinkPyType(StringParameter)
+
+
+#else  // End of Python Module Code Part.
+
+// +=================================================================+
+// |           "PyStringParameter" Shared Library Code Part          |
+// +=================================================================+
+  
+
+  LinkCreateMethod(StringParameter)
+  PyTypeInheritedObjectDefinitions(StringParameter, Parameter)
+
+
+#endif  // End of Shared Library Code Part.
+
+}  // extern "C".
+
+}  // Isobar namespace.
diff --git a/hurricane/src/analog/StepParameter.cpp b/hurricane/src/analog/StepParameter.cpp
index 2c414d87..8b590245 100644
--- a/hurricane/src/analog/StepParameter.cpp
+++ b/hurricane/src/analog/StepParameter.cpp
@@ -10,7 +10,7 @@
 // |  Authors     :                Christophe Alexandre              |
 // |  E-mail      :            Jean-Paul.Chaput@lip6.fr              |
 // | =============================================================== |
-// |  C++ Module  :  "./StepParameter.cpp"                     |
+// |  C++ Module  :  "./StepParameter.cpp"                           |
 // +-----------------------------------------------------------------+
 
 
diff --git a/hurricane/src/analog/StringParameter.cpp b/hurricane/src/analog/StringParameter.cpp
new file mode 100644
index 00000000..154f3a1c
--- /dev/null
+++ b/hurricane/src/analog/StringParameter.cpp
@@ -0,0 +1,47 @@
+// -*- C++ -*-
+//
+// This file is part of the Coriolis Software.
+// Copyright (c) UPMC 2020-2020, All Rights Reserved
+//
+// +-----------------------------------------------------------------+ 
+// |                   C O R I O L I S                               |
+// |           H u r r i c a n e   A n a l o g                       |
+// |                                                                 |
+// |  Authors     :                    Jean-Paul Chaput              |
+// |  E-mail      :            Jean-Paul.Chaput@lip6.fr              |
+// | =============================================================== |
+// |  C++ Module  :  "./StringParameter.cpp"                         |
+// +-----------------------------------------------------------------+
+
+
+#include "hurricane/analog/StringParameter.h"
+
+
+namespace Analog {
+
+  using std::string;
+
+
+  string  StringParameter::_getTypeName () const
+  { return "StringParameter"; }
+
+  
+  std::string  StringParameter::_getString () const
+  {
+    string s = Super::_getString();
+    s.insert( s.size()-1, " \""+_value+"\"" );
+    return s;
+  }
+
+  
+  Record* StringParameter::_getRecord () const
+  {
+    Record* record = Super::_getRecord();
+    record->add( getSlot( "_value", &_value ) );
+    return record;
+  }
+
+
+
+
+}  // Analog namespace.
diff --git a/hurricane/src/analog/Transistor.cpp b/hurricane/src/analog/Transistor.cpp
index bb6cb26b..67cb57d4 100644
--- a/hurricane/src/analog/Transistor.cpp
+++ b/hurricane/src/analog/Transistor.cpp
@@ -46,10 +46,15 @@ namespace Analog {
     tr->_postCreate(deviceName);
     tr->createConnections(bulkConnected);
   
-    tr->addStepParameter("B.w" , 1, 1, 1);
-    tr->addStepParameter("D.w" , 1, 1, 1);
-    tr->addStepParameter("G.w" , 1, 1, 1);
-    tr->addStepParameter("S.w" , 1, 1, 1);
+    tr->addStepParameter( "B.w" , 1, 1, 1 );
+    tr->addStepParameter( "D.w" , 1, 1, 1 );
+    tr->addStepParameter( "G.w" , 1, 1, 1 );
+    tr->addStepParameter( "S.w" , 1, 1, 1 );
+  
+    tr->addStringParameter( "B.t" , "bX" );
+    tr->addStringParameter( "D.t" , "b0" );
+    tr->addStringParameter( "G.t" , "t0" );
+    tr->addStringParameter( "S.t" , "b1" );
     UpdateSession::close();
     return tr;
   }
diff --git a/hurricane/src/analog/hurricane/analog/Device.h b/hurricane/src/analog/hurricane/analog/Device.h
index 4349b3db..6998dcce 100644
--- a/hurricane/src/analog/hurricane/analog/Device.h
+++ b/hurricane/src/analog/hurricane/analog/Device.h
@@ -14,14 +14,13 @@
 // +-----------------------------------------------------------------+
 
 
-#ifndef ANALOG_DEVICE_H
-#define ANALOG_DEVICE_H
-
+#pragma once
 #include "hurricane/Cell.h"
 #include "hurricane/analog/StepParameter.h"
 #include "hurricane/analog/FloatParameter.h"
 #include "hurricane/analog/CapacitorParameter.h"
 #include "hurricane/analog/ChoiceParameter.h"
+#include "hurricane/analog/StringParameter.h"
 #include "hurricane/analog/SpinBoxParameter.h"
 #include "hurricane/analog/MCheckBoxParameter.h"
 #include "hurricane/analog/FormFactorParameter.h"
@@ -71,6 +70,7 @@ namespace Analog {
       inline        Hurricane::Library*    getSubDevicesLibrary      ();
       inline        void                   addParameter              ( Parameter* parameter );
       inline        StepParameter*         addStepParameter          ( const std::string name, long min, long max, long step );
+      inline        StringParameter*       addStringParameter        ( const std::string name, const std::string value="" );
       inline        FloatParameter*        addFloatParameter         ( const std::string name, float value=0.0 );
       inline        CapacitorParameter*    addCapacitorParameter     ( const std::string name, long value );
       inline        SpinBoxParameter*      addSpinBoxParameter       ( const std::string name, long min, long max );
@@ -110,6 +110,13 @@ namespace Analog {
     return stepParameter;
   }
   
+  inline StringParameter* Device::addStringParameter ( const std::string name, const std::string value )
+  {
+    StringParameter* stringParameter = new StringParameter( name, value );
+    addParameter( stringParameter );
+    return stringParameter;
+  }
+
   inline FloatParameter* Device::addFloatParameter ( const std::string name, float value )
   {
     FloatParameter* floatParameter = new FloatParameter( name, value );
@@ -171,5 +178,3 @@ namespace Analog {
 
 
 INSPECTOR_P_SUPPORT(Analog::Device);
-
-#endif  // ANALOG_DEVICE_H
diff --git a/hurricane/src/analog/hurricane/analog/PyStepParameter.h b/hurricane/src/analog/hurricane/analog/PyStepParameter.h
index 3859c956..ee07e706 100644
--- a/hurricane/src/analog/hurricane/analog/PyStepParameter.h
+++ b/hurricane/src/analog/hurricane/analog/PyStepParameter.h
@@ -14,9 +14,7 @@
 // +-----------------------------------------------------------------+
 
 
-#ifndef  ANALOG_PY_STEP_PARAMETER_H
-#define  ANALOG_PY_STEP_PARAMETER_H
-
+#pragma once
 #include "hurricane/analog/PyParameter.h"
 #include "hurricane/analog/StepParameter.h"
 
@@ -51,5 +49,3 @@ extern "C" {
 }  // extern "C".
 
 }  // Isobar namespace.
-
-#endif  // ANALOG_PY_STEP_PARAMETER_H
diff --git a/hurricane/src/analog/hurricane/analog/PyStringParameter.h b/hurricane/src/analog/hurricane/analog/PyStringParameter.h
new file mode 100644
index 00000000..1b908291
--- /dev/null
+++ b/hurricane/src/analog/hurricane/analog/PyStringParameter.h
@@ -0,0 +1,51 @@
+// -*- C++ -*-
+//
+// This file is part of the Coriolis Software.
+// Copyright (c) UPMC 2020-2020, All Rights Reserved
+//
+// +-----------------------------------------------------------------+ 
+// |                   C O R I O L I S                               |
+// |           H u r r i c a n e   A n a l o g                       |
+// |                                                                 |
+// |  Author      :                    Jean-Paul Chaput              |
+// |  E-mail      :            Jean-Paul.Chaput@lip6.fr              |
+// | =============================================================== |
+// |  C++ Header  :  "./hurricane/analog/PyStringParameter.h"        |
+// +-----------------------------------------------------------------+
+
+
+#pragma once
+#include "hurricane/analog/PyParameter.h"
+#include "hurricane/analog/StringParameter.h"
+
+
+namespace  Isobar {
+
+extern "C" {
+
+// -------------------------------------------------------------------
+// Python Object  :  "PyStringParameter".
+
+  typedef struct {
+      PyParameter  _baseObject;
+  } PyStringParameter;
+
+
+// -------------------------------------------------------------------
+// Functions & Types exported to "PyHurricane.cpp".
+
+  extern PyTypeObject  PyTypeStringParameter;
+  extern PyMethodDef   PyStringParameter_Methods[];
+
+  extern PyObject* PyStringParameter_Link       ( Analog::StringParameter* object );
+  extern void      PyStringParameter_LinkPyType ();
+
+
+#define IsPyStringParameter(v)  ( (v)->ob_type == &PyTypeStringParameter )
+#define PYSTRINGPARAMETER(v)    ( (PyStringParameter*)(v) )
+#define PYSTRINGPARAMETER_O(v)  ( PYSTRINGPARAMETER(v)->_baseObject->_baseObject._object )
+
+
+}  // extern "C".
+
+}  // Isobar namespace.
diff --git a/hurricane/src/analog/hurricane/analog/StepParameter.h b/hurricane/src/analog/hurricane/analog/StepParameter.h
index 5fc5e583..8bf3ea46 100644
--- a/hurricane/src/analog/hurricane/analog/StepParameter.h
+++ b/hurricane/src/analog/hurricane/analog/StepParameter.h
@@ -10,12 +10,10 @@
 // |  Authors     :                Christophe Alexandre              |
 // |  E-mail      :            Jean-Paul.Chaput@lip6.fr              |
 // | =============================================================== |
-// |  C++ Header  :  "./hurricane/analog/Choices.h"                  |
+// |  C++ Header  :  "./hurricane/analog/StepParameter.h"            |
 // +-----------------------------------------------------------------+
 
-#ifndef ANALOG_STEP_PARAMETER_H
-#define ANALOG_STEP_PARAMETER_H
-
+#pragma once
 #include "hurricane/analog/Parameter.h"
 
 
@@ -56,5 +54,3 @@ namespace Analog {
 
 
 INSPECTOR_PR_SUPPORT(Analog::StepParameter);
-
-#endif // ANALOG_STEP_PARAMETER_H
diff --git a/hurricane/src/analog/hurricane/analog/StringParameter.h b/hurricane/src/analog/hurricane/analog/StringParameter.h
new file mode 100644
index 00000000..9e0d8513
--- /dev/null
+++ b/hurricane/src/analog/hurricane/analog/StringParameter.h
@@ -0,0 +1,47 @@
+// -*- C++ -*-
+//
+// This file is part of the Coriolis Software.
+// Copyright (c) UPMC 2009-2018, All Rights Reserved
+//
+// +-----------------------------------------------------------------+ 
+// |                   C O R I O L I S                               |
+// |           H u r r i c a n e   A n a l o g                       |
+// |                                                                 |
+// |  Authors     :                    Jean-Paul Chaput              |
+// |  E-mail      :            Jean-Paul.Chaput@lip6.fr              |
+// | =============================================================== |
+// |  C++ Header  :  "./hurricane/analog/StringParameter.h"          |
+// +-----------------------------------------------------------------+
+
+#pragma once
+#include "hurricane/analog/Parameter.h"
+
+
+namespace Analog {
+
+  class StringParameter : public Parameter {
+    public:
+      typedef Parameter  Super;
+    public:
+      inline               StringParameter ( std::string id, std::string v );
+      inline  std::string  getValue        () const;
+      inline  operator std::string         () const;
+      inline  void         setValue        ( std::string );
+      virtual std::string  _getTypeName    () const;
+      virtual std::string  _getString      () const;
+      virtual Record*      _getRecord      () const;
+    private:
+      std::string  _value;
+  };
+
+  
+  inline              StringParameter::StringParameter ( std::string id, std::string v ): Parameter(id), _value(v) {} 
+  inline std::string  StringParameter::getValue        () const { return _value; }
+  inline              StringParameter::operator std::string () const { return getValue(); }
+  inline void         StringParameter::setValue        ( std::string value ) { _value = value; }
+
+
+}  // Analog namespace.
+
+
+INSPECTOR_PR_SUPPORT(Analog::StringParameter);
diff --git a/hurricane/src/analog/hurricane/analog/Transistor.h b/hurricane/src/analog/hurricane/analog/Transistor.h
index 2fffa6b7..2d41e16e 100644
--- a/hurricane/src/analog/hurricane/analog/Transistor.h
+++ b/hurricane/src/analog/hurricane/analog/Transistor.h
@@ -14,9 +14,7 @@
 // +-----------------------------------------------------------------+
 
 
-#ifndef ANALOG_TRANSISTOR_H
-#define ANALOG_TRANSISTOR_H
-
+#pragma once
 #include "hurricane/analog/TransistorFamily.h"
 
 namespace Analog {
@@ -46,5 +44,3 @@ namespace Analog {
 
 
 }  // Analog namespace.
-
-#endif // ANALOG_TRANSISTOR_H
diff --git a/hurricane/src/analog/hurricane/analog/TransistorFamily.h b/hurricane/src/analog/hurricane/analog/TransistorFamily.h
index 56b96128..f37ca19a 100644
--- a/hurricane/src/analog/hurricane/analog/TransistorFamily.h
+++ b/hurricane/src/analog/hurricane/analog/TransistorFamily.h
@@ -14,9 +14,7 @@
 // +-----------------------------------------------------------------+
 
 
-#ifndef ANALOG_TRANSISTOR_FAMILY_H
-#define ANALOG_TRANSISTOR_FAMILY_H
-
+#pragma once
 #include "hurricane/DbU.h"
 #include "hurricane/analog/Device.h"
 #include "hurricane/analog/MetaTransistor.h"
@@ -175,5 +173,3 @@ namespace Analog {
 
 
 }  // Analog namespace.
-
-#endif // ANALOG_TRANSISTOR_FAMILY_H
diff --git a/karakaze/python/analogdesign.py b/karakaze/python/analogdesign.py
index c2b038c7..aeba3eaa 100644
--- a/karakaze/python/analogdesign.py
+++ b/karakaze/python/analogdesign.py
@@ -424,6 +424,11 @@ class AnalogDesign ( object ):
             
               if (len(dspec) > 12): device.getParameter( 'NERC' ).setValue(int (dspec[12]))
               if (len(dspec) > 13): device.getParameter( 'NIRC' ).setValue(int (dspec[13]))
+              if (len(dspec) > 14):
+                  for wiringSpec in dspec[14].split(' '):
+                      fields = wiringSpec.split('.')
+                      if len(fields) > 1:
+                          device.getParameter( fields[0]+'.t' ).setValue( fields[1] )
             
               if not (dspec[7] is None): device.setMint         ( dspec[7] ) 
               if dspec[8]:               device.setExternalDummy( dspec[8] )
diff --git a/oroshi/python/capacitorrouted.py b/oroshi/python/capacitorrouted.py
index ea305fdf..413e5e3d 100644
--- a/oroshi/python/capacitorrouted.py
+++ b/oroshi/python/capacitorrouted.py
@@ -159,8 +159,15 @@ class RoutMatchedCapacitor( CapacitorUnit, CapacitorStack, VerticalRoutingTracks
               xMax = self.abutmentBox.getXMax()
             else:
               trackSpacing = (self.vRoutingTrack_width + self.vpitch + self.metal3Width)/2
-              xMin = self.vRoutingTrackXCenter[ 0][firstVRTId] - trackSpacing
-              xMax = self.vRoutingTrackXCenter[-1][ lastVRTId] + trackSpacing
+              if firstVRTId > len(self.vRoutingTrackXCenter[ 0]):
+                  xMin = self.abutmentBox.getXMin() - trackSpacing
+              else:
+                  xMin = self.vRoutingTrackXCenter[ 0][firstVRTId] - trackSpacing
+
+              if lastVRTId > len(self.vRoutingTrackXCenter[-1]):
+                  xMax = self.abutmentBox.getXMax() + trackSpacing
+              else:
+                  xMax = self.vRoutingTrackXCenter[-1][ lastVRTId] + trackSpacing
 
             width       = xMax - xMin
             widthAdjust = width % (2*self.vpitch)
diff --git a/oroshi/python/wip_transistor.py b/oroshi/python/wip_transistor.py
index 47fcb355..a5dd63eb 100644
--- a/oroshi/python/wip_transistor.py
+++ b/oroshi/python/wip_transistor.py
@@ -60,18 +60,29 @@ def layout ( device, bbMode ):
       gw  = str(device.getParameter( 'G.w' ).getValue())
       sw  = str(device.getParameter( 'S.w' ).getValue())
       
-      diffMap = { 'D':'D', 'S':'S', 'Dw':dw, 'Sw':sw, 'Gw':gw, 'Bw':bw }
+      bt  = device.getParameter( 'B.t' ).getValue()
+      dt  = device.getParameter( 'D.t' ).getValue()
+      gt  = device.getParameter( 'G.t' ).getValue()
+      st  = device.getParameter( 'S.t' ).getValue()
+      
+      diffMap = { 'D':'D', 'S':'S'
+                , 'Dw':dw, 'Sw':sw, 'Gw':gw, 'Bw':bw
+                , 'Dt':dt, 'St':st, 'Gt':gt, 'Bt':bt
+                }
       if device.isSourceFirst():
         trace( 100, '\tUse sourceFirst.\n' )
-        diffMap = { 'D':'S', 'S':'D', 'Dw':sw, 'Sw':dw, 'Gw':gw, 'Bw':bw }
+        diffMap = { 'D':'S', 'S':'D'
+                  , 'Dw':sw, 'Sw':dw, 'Gw':gw, 'Bw':bw
+                  , 'Dt':dt, 'St':st, 'Gt':gt, 'Bt':bt
+                  }
       
-      wirings = '{D}.b0.{Dw}  G.t0.{Gw}  {S}.b1.{Sw}'
+      wirings = '{D}.{Dt}.{Dw}  G.{Gt}.{Gw}  {S}.{St}.{Sw}'
       for i in range(device.getM() - 1):
-        if i%2: wirings += ' G.t0.{Gw} {S}.b1.{Sw}'
-        else:   wirings += ' G.t0.{Gw} {D}.b0.{Dw}'
+        if i%2: wirings += ' G.{Gt}.{Gw} {S}.{St}.{Sw}'
+        else:   wirings += ' G.{Gt}.{Gw} {D}.{Dt}.{Dw}'
       for i in range(device.getExternalDummy()):
-        wirings  = 'B.bX.{Bw}  B.bX.{Bw}  ' + wirings
-        wirings += '  B.bX.{Bw}  B.bX.{Bw}'
+        wirings  = 'B.{Bt}.{Bw}  B.{Bt}.{Bw}  ' + wirings
+        wirings += '  B.{Bt}.{Bw}  B.{Bt}.{Bw}'
       
       stack.setWirings( wirings.format( **diffMap ) )
       stack.doLayout  ( bbMode )