6 files changed, 55 insertions, 0 deletions
diff --git a/3440/CH12/EX12.1/Ex12_1.sce b/3440/CH12/EX12.1/Ex12_1.sce
new file mode 100644
index 000000000..7e86a7666
--- /dev/null
+++ b/3440/CH12/EX12.1/Ex12_1.sce
@@ -0,0 +1,13 @@
+clc
+
+Msi=28.9//g/mole
+Dsi=2.33//g/cm^3
+Msidi=60.08//g/mole
+Dsidi=2.21//g/cm^3
+
+vsi=Msi/Dsi
+disp(vsi,"vsi in cm^3/mole is= ")
+vsidi=Msidi/Dsidi
+disp(vsidi,"vsidi in cm^3/mole is= ")
+T=vsi/vsidi
+disp(T,"T is ratio of Thickness of Si to SiO2 is= ")
diff --git a/3440/CH12/EX12.3/Ex12_3.sce b/3440/CH12/EX12.3/Ex12_3.sce
new file mode 100644
index 000000000..0d7565738
--- /dev/null
+++ b/3440/CH12/EX12.3/Ex12_3.sce
@@ -0,0 +1,9 @@
+clc
+
+row=2.7*10^-6//ohm cm
+l=10^-1//cm
+tm=0.5*10^-4//cm
+sw=0.5*10^-4//cm
+epsiloni=8.85*10^-14
+RC=(row*l/tm^2)*epsiloni*2.7*(tm*l/sw)
+disp(RC,"RC in sec is= ")
diff --git a/3440/CH12/EX12.4/Ex12_4.sce b/3440/CH12/EX12.4/Ex12_4.sce
new file mode 100644
index 000000000..93f59e590
--- /dev/null
+++ b/3440/CH12/EX12.4/Ex12_4.sce
@@ -0,0 +1,7 @@
+clc
+
+k=3.9
+k1=25
+A=1.28//um^2
+E=(k*A)/k1
+disp(E," equivalent cell size in um^2 is= ")
diff --git a/3440/CH12/EX12.5/E12_5.sce b/3440/CH12/EX12.5/E12_5.sce
new file mode 100644
index 000000000..39761e345
--- /dev/null
+++ b/3440/CH12/EX12.5/E12_5.sce
@@ -0,0 +1,13 @@
+clc
+T=500//dC
+t=30//min
+ZL=16//um^2
+Z=5//um
+H=1//um
+S=0.8//%
+A=16
+a=60//um
+rowAl=2.7
+rowSi=2.33
+b=(2*a*H*Z*S*rowAl)/(A*rowSi*100)
+disp(b,"b in um is= ")
diff --git a/3440/CH12/EX12.6/Ex12_6.sce b/3440/CH12/EX12.6/Ex12_6.sce
new file mode 100644
index 000000000..a9c4edcdb
--- /dev/null
+++ b/3440/CH12/EX12.6/Ex12_6.sce
@@ -0,0 +1,8 @@
+clc
+
+kAl=2.6
+kCu=3.9
+rAl=2.7//u ohm cm
+rCu=1.7//u ohm cm
+reduction=(rCu*kAl*100)/(rAl*kCu)
+disp(reduction,"reduction in% is= ")
diff --git a/3440/CH12/EX12.7/Ex12_7.sce b/3440/CH12/EX12.7/Ex12_7.sce
new file mode 100644
index 000000000..19bf03140
--- /dev/null
+++ b/3440/CH12/EX12.7/Ex12_7.sce
@@ -0,0 +1,5 @@
+clc
+
+//(1/r)+(0.01/0.1r)=5.5
+r=1.1/5.5
+disp(r,"r in um/min is = ")