Patent ID: 6835417
Filing Date: 2004-12-28
Classification: C23C

Abstract:
A method of depositing a layer material on a substrate surface, which comprises the following method steps:(a) introducing a first chemical precursor compound of the layer material in vapor phase into a process chamber, depositing and chemically bonding a first fraction of the first chemical precursor compound on the substrate surface at least in sections to form a monomolecular partial monolayer; (b) removing undeposited second fractions of the first chemical precursor compound from the process chamber; (c) introducing a second chemical precursor compound of the layer material in vapor phase into the process chamber, depositing and chemically bonding a first fraction of the second chemical precursor compound on the sections of the substrate surface covered by the first chemical precursor compound, and thereby forming a monolayer comprising the layer material of the first and second chemical precursor compounds; and (d) removing undeposited second fractions of the second chemical precursor compound from the process chamber; and thereby: repeating steps (a) to (d) to produce a layer from successive monolayers; subjecting the substrate surface to at least one temperature change with a gradient of greater than 100 Kelvin per second in the process chamber selectively before, during, and/or after at least one process step; heating and activating the substrate surface by a rapid and brief increase in the temperature prior to depositing a chemical precursor compound, subsequently reducing a temperature of the substrate surface and depositing the chemical precursor compound on the activated substrate surface.