diff --git a/include/DetectorConstruction.hh b/include/DetectorConstruction.hh
index 6eb9330417961f79540c8797257805499f00e4cd..fc72899905099d042bf63b4f6605068202156f20 100644
--- a/include/DetectorConstruction.hh
+++ b/include/DetectorConstruction.hh
@@ -96,7 +96,7 @@ class DetectorConstruction : public G4VUserDetectorConstruction
         G4Material* GetPolyMaterial()           {return polypropMaterial;};
         G4Material* GetKapMaterial()            {return kapMaterial;};
         G4Material* GetAlumMaterial()           {return alumMaterial;};
-
+        
 		// Set methods
 		// Method to set the world dimensions
 		void SetWorldSide(G4double wside)		    {worldSide = wside;};
@@ -286,7 +286,7 @@ class DetectorConstruction : public G4VUserDetectorConstruction
         G4Material* polypropMaterial;
         G4Material* kapMaterial;
         G4Material* alumMaterial;
-        G4Material* FR4;
+        G4Material* fr4Material;
 
 
 };
diff --git a/include/PCBParameterisation.hh b/include/PCBParameterisation.hh
index 5fba6bbcf7c8d9858087aabed5eb56d8fb34766a..990f693791dee6e347536ee9bc33fe67a5d53ff8 100644
--- a/include/PCBParameterisation.hh
+++ b/include/PCBParameterisation.hh
@@ -53,6 +53,8 @@ class PCBParameterisation : public G4VPVParameterisation
         G4double fHeight;
         G4double fThick;
         G4int fSide;
+        G4Material* fr4Material;
+
 };
 
 
diff --git a/src/DetectorConstruction.cc b/src/DetectorConstruction.cc
index 25e7ff7964b51bfb67444b013607a12da9631af6..5bb649b99f5d9cb7d42f90e3d4ae74f2ab93c9ba 100644
--- a/src/DetectorConstruction.cc
+++ b/src/DetectorConstruction.cc
@@ -348,13 +348,13 @@ void DetectorConstruction::DefineMaterials()
     G4Material* FR4 = new G4Material("FR4", density = 1.8*g/cm3, ncomponents=2);
     FR4 -> AddMaterial(G4_SILICON_DIOXIDE, fractionmass=60*perCent);
     FR4 -> AddMaterial(Epoxy_Resin,  fractionmass=40*perCent);
+    fr4Material = FR4; // G4Material::GetMaterial("FR4");
 
 	// Default materials of the World: vacuum
 	defaultMaterial  = Vacuum;
 }
 
 
-
 // Detector construction
 G4VPhysicalVolume* DetectorConstruction::Construct()
 {
@@ -365,6 +365,7 @@ G4VPhysicalVolume* DetectorConstruction::Construct()
 	G4SolidStore::GetInstance()->Clean();
 
 
+
 	// ! Experimental hall (world volume)
     
 	// Solid
@@ -587,10 +588,10 @@ G4VPhysicalVolume* DetectorConstruction::Construct()
     // ! PCB
 
     // Solid
-    G4double pcb_side_x = coll_side_x *cm;
-    G4double pcb_side_y = coll_side_y *cm;
+    G4double pcb_side_x = coll_side_x;
+    G4double pcb_side_y = coll_side_y;
     G4double pcb_thick  = 1.6 *mm;       // ! si potrebbe mettere come parametro
-    G4double pcb_height = optCoupler_thick+sdd_thick+pcb_thick/2. *cm;
+    G4double pcb_height = optCoupler_thick+sdd_thick+pcb_thick;
 
     G4Box* pcb_container_box = new G4Box("pcb_container_box", pcb_side_x/2., pcb_side_y/2., pcb_thick/2.);
     
@@ -606,19 +607,30 @@ G4VPhysicalVolume* DetectorConstruction::Construct()
                                                             false,
                                                             0);
 
+
 	// Solid
     G4double pcb_elem_side_x = 3.*mm;
     G4double pcb_elem_side_y = pcb_side_y;
+    G4cout << "Materiale FR4: " << fr4Material->GetName() << G4endl;
 
 	G4Box* pcb_box = new G4Box("pcb_box", pcb_elem_side_x/2., pcb_elem_side_y/2., pcb_thick/2.);
 	
     // Logical
-	pcb_log = new G4LogicalVolume(pcb_box, FR4, "pcb_log", 0, 0, 0);
+	pcb_log = new G4LogicalVolume(pcb_box, fr4Material, "pcb_log", 0, 0, 0);
     
 	// Physical
-    G4int n_rep = (n_side-1)/2; // repliche di PCB usando  il numero di scintillatori per side
+    G4int n_rep = (n_side-1)/2; // repliche di PCB usando il numero di scintillatori per side
 
 	pcbParam = new PCBParameterisation(pcb_elem_side_x, pcb_elem_side_y, pcb_height, pcb_thick, n_rep);
+
+   G4cout << " pcb_elem_side_x " << pcb_elem_side_x/mm << G4endl;
+   G4cout << " pcb_elem_side_y " << pcb_elem_side_y/mm << G4endl;
+   G4cout << " pcb_height " << pcb_height << G4endl;
+   G4cout << " pcb_thick " << pcb_thick/mm << G4endl;
+
+   G4cout << " pcb_sie_x " << pcb_side_x << G4endl;
+   G4cout << " n_rep " << n_rep << G4endl;
+
 	
 	pcb_phys = new G4PVParameterised("pcb_phys",       	// their name
 									 pcb_log,    	        // their logical volume
diff --git a/src/PCBParameterisation.cc b/src/PCBParameterisation.cc
index b5393b5b0ffd3b2453368a4d282799df779dce32..51d6721ea261a3045d874f47b11559c758cfcec5 100644
--- a/src/PCBParameterisation.cc
+++ b/src/PCBParameterisation.cc
@@ -30,10 +30,11 @@ void PCBParameterisation::ComputeTransformation (const G4int copyNo, G4VPhysical
 
     xPos = (-fLength)/2. +1.*cm  + copyNo* 1.*cm; //sono al centro della barra capisci se indietreggiare di mezza barra
 
-
-   G4cout << "*** DEBUG ***: Replica number " << copyNo << G4endl;
-   G4cout << "*** DEBUG ***:  " << xPos << " " << yPos << " " << zPos << G4endl;
-
+    G4cout << " copyNo " << copyNo << G4endl;
+    G4cout << " fSpacing " << fSpacing << G4endl;
+    G4cout << " zPos " << zPos << G4endl;
+    G4cout << " fLength " << fLength << G4endl;
+    G4cout << " fSpacing " << fSpacing << G4endl;
 
     physVol->SetTranslation(G4ThreeVector(xPos, yPos, zPos));
     
diff --git a/xgis_M7 b/xgis_M7
index 7ab6988c222767c89e652f98ebfc0c19afc0e3bb..2ea2623b38e0eb20b5d9a31537739a3acc0ab880 100755
Binary files a/xgis_M7 and b/xgis_M7 differ