Patent ID: 9552981
Date: 2017-01-24
CPC Classifications: C23C,H01L

Claim:
1. A metal oxide film forming method, comprising: repeating a cycle a first predetermined number of times, the cycle including supplying a gas containing an organic metal precursor into a processing chamber where an object to be processed is accommodated, and supplying oxygen gas into the processing chamber after the gas containing the organic metal precursor is supplied into the processing chamber; and supplying only ozone gas into the processing chamber after repeating the cycle to obtain a modified metal oxide layer, wherein a temperature in supplying the ozone gas is equal to or higher than 300 degrees C. and lower than 350 degrees C., and wherein repeating the cycle and supplying the ozone gas are repeated a second predetermined number of times, so that a metal oxide film is formed on a surface of the object to be processed.