Patent ID: 11901420
Assignee: HKC CORPORATION LIMITED
Field: Surface technology, coating (Chemistry)
Classification: CPC H  C  G | IPC C  G  H

Claim 0:
1. A manufacturing method for a gate electrode, comprising:
depositing an aluminum film on a substratum by physical vapor deposition;
depositing a molybdenum film over the aluminum film by atomic layer deposition; and
etching the aluminum film and the molybdenum film to form the gate electrode of a predetermined pattern;
wherein depositing the molybdenum film over the aluminum film by atomic layer deposition comprises:
A: placing the substratum with the aluminum film in a reaction chamber of an atomic layer deposition apparatus;
B: continuously introducing a molybdenum precursor for a preset time period into the atomic layer deposition apparatus, remaining the molybdenum precursor for a preset time period after the introduction, and introducing an inert gas for purging;
C: continuously introducing a reducing gas for a preset time into the atomic layer deposition apparatus, remaining the reducing gas for a preset time period after the introduction, and introducing the inert gas for purging; and
D: repeating the above operations B and C for a preset number of times to form the molybdenum film.