Learning Unit Three
Quiz 3
Test what you have learned by answering the following questions:

 

The number of implanted ions per unit area is termed dose:
True
False
Which of the following ion stopping mechanism is responsible for most damage to the crystal structure:

Electronic stopping
Nuclear stopping
Nuclear stopping is inelastic in nature:

True
False
For heavy ions which of the two mechanisms dominate:

Nuclear collision
Electronic collision
Implanted profile in a silicon wafer can be described mathematically by an:

Error function distribution
Gaussian distribution function
Given that the peak concentration of the implanted dose is 1018/cm3 and standard deviation is 4.0X10-6 cm, the implanted dose is:

1012/cm2
1010/cm2
1013/cm2
Gaussian distributions have a skewness of 0 and kurtosis of:

2
3
5
4
Kurtosis measures the:

Asymmetry of the distribution
Flatness of the top of the distribution
Furnace annealing has times on the order of:

Seconds
Minutes
Nanoseconds