Patent ID: 9023436
Filing Date: 2015-05-05
Classification: C23C

Abstract:
1. A system for forming features on a microfeature workpiece by depositing materials onto a surface of the microfeature workpiece, the system comprising: a gas supply assembly having a gas source; a gas phase reaction chamber for carrying the microfeature workpiece; a gas distributor carried by the reaction chamber and coupled to the gas supply assembly; an energy source positioned to selectively irradiate portions of the microfeature workpiece, wherein the energy source comprises a laser configured for producing a laser beam; and a controller operably coupled to the energy source and the gas supply assembly, the controller having a computer-readable medium containing instructions and configured to perform a method comprising— depositing a monolayer or approximately a monolayer of molecules of a gas onto the microfeature workpiece in the reaction chamber, wherein the molecules of the gas comprise a plurality of first molecules of a first gas; selectively irradiating a first portion of the first molecules on the microfeature workpiece in the reaction chamber with a laser beam having a selected radiation without irradiating a second portion of the first molecules on the workpiece with the selected radiation, wherein selectively irradiating the first portion comprises desorbing the first portion of the first molecules from the workpiece; depositing second molecules of a second gas onto the second portion of the first molecules, wherein the first gas and the second gas have different compositions; and repeating the depositing and selectively irradiating to form a feature on the workpiece.