Method and system for tilting a substrate during gas cluster ion beam processing
First Claim
Patent Images
1. A method for preparing a non-planar structure, comprising:
- providing a substrate having at least a portion of a non-planar gate structure formed thereon, wherein said portion of said non-planar gate structure comprises first surfaces that are parallel with said substrate and second surfaces that are not parallel with said substrate;
generating a gas cluster ion beam (GCIB) formed from a material source for treatment of said non-planar gate structure;
tilting said substrate relative to said GCIB to differentially treat said second surfaces relative to said first surfaces; and
irradiating said non-planar gate structure with said GCIB,wherein said non-planar gate structure is characterized by a non-planar gate electrode layer upon formation of said gate electrode layer as part of said non-planar gate structure.
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Abstract
A method and system for treating a non-planar structure is described. The method includes forming a non-planar structure on a substrate. Additionally, the method includes generating a gas cluster ion beam (GCIB) formed from a material source for treatment of the non-planar structure, tilting the substrate relative to the GCIB, and irradiating the non-planar structure with the GCIB. The system includes a substrate tilt actuator coupled to a substrate holder and configured to tilt the substrate holder relative to a GCIB.
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13 Claims
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1. A method for preparing a non-planar structure, comprising:
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providing a substrate having at least a portion of a non-planar gate structure formed thereon, wherein said portion of said non-planar gate structure comprises first surfaces that are parallel with said substrate and second surfaces that are not parallel with said substrate; generating a gas cluster ion beam (GCIB) formed from a material source for treatment of said non-planar gate structure; tilting said substrate relative to said GCIB to differentially treat said second surfaces relative to said first surfaces; and irradiating said non-planar gate structure with said GCIB, wherein said non-planar gate structure is characterized by a non-planar gate electrode layer upon formation of said gate electrode layer as part of said non-planar gate structure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification