Chapter 3   : Fabrication of CMOS Integrated Circuits


Table 7 : Comparison of various CVD schemes

 
APCVD
LPCVD
MOCVD
PECVD
Advantages
High deposition rates, simple, high throughput
Excellent uniformity, purity
Highly flexible and can deposit semiconductors, metals, dielectrics
Uses low temperatures necessary for rear end processing
Disadvantages
Poor uniformity, purity is less than LPCVD
Lower (but reasonable) deposition rates than APCVD
HIGHLY TOXIC!, Very expensive source material. Environmental disposal costs are high
Plasma damage typically results