In the fabrication of monolithic ICs, Boron chloride is added as an impurity in the diffusion process. Find the diffusion time, if the furnace is heated up to 1200oc.

In the fabrication of monolithic ICs, Boron chloride is added as an im

1.	In the fabrication of monolithic ICs, Boron chloride is added as an impurity in the diffusion process. Find the diffusion time, if the furnace is heated up to 1200^oc.
A.	1 hour
B.	2 hours
C.	45 minutes
D.	30 minutes
Answer» C. 45 minutes