Reactive-ion deposition processes for dielectric material formation
A method includes obtaining a base structure of an electronic device, the base structure including at least one opening, and forming, using a reactive-ion deposition process, a dielectric material within the at least one opening.
1 . A method comprising:
obtaining a base structure of an electronic device, the base structure comprising at least one opening defined by a bottom surface and sidewalls; and
forming, using a reactive-ion directional plasma treatment deposition process, a dielectric material within the at least one opening in an upward direction from the bottom surface to reduce formation of the dielectric material on the sidewalls.
2 . The method of claim 1 , wherein the dielectric material is a silicon oxide material.
3 . The method of claim 1 , wherein the dielectric material is a silicon nitride material.
4 . The method of claim 1 , wherein the dielectric material is a silicon carbide material.
5 . The method of claim 1 , wherein the reactive-ion directional plasma treatment deposition process is a single precursor deposition process.
6 . The method of claim 5 , wherein the single precursor deposition process uses, as a precursor, at least one of: a siloxane or a siloxane derivative.
7 . The method of claim 5 , wherein the single precursor deposition process uses, as a precursor, at least one of: an aminosilane, a silazane, an aminosilane derivative, or a silazane derivative.
8 . The method of claim 5 , wherein the single precursor deposition process uses, as a precursor, at least one of: a carbosilane or a carbosilane derivative.
9 . The method of claim 1 , wherein the reactive-ion directional plasma treatment deposition process uses a biomolecular approach.
10 . The method of claim 1 , wherein the reactive-ion directional plasma treatment deposition process is a low temperature deposition process performed at a temperature less than or equal to about 0° C.
11 . The method of claim 1 , wherein obtaining the base structure comprises patterning a mask layer disposed on a substrate to form the at least one opening and at least one mask layer portion, and wherein the dielectric material is formed within the at least one opening and on the at least one mask layer portion.
12 . The method of claim 1 , further comprising performing level selective removal to remove dielectric material formed on at least one feature of the base structure.
13 . The method of claim 1 , further comprising:
forming a polymer material on the dielectric material;
after forming the polymer material, removing dielectric material formed on at least one feature of the base structure; and
removing the polymer material after removing the dielectric material formed on the at least one feature.
14 . A method comprising:
obtaining a base structure of an electronic device, the base structure comprising at least one opening defined by a bottom surface and sidewalls; and
forming, using a reactive-ion directional plasma treatment deposition process, a dielectric material within the at least one opening in an upward direction from the bottom surface to reduce formation of the dielectric material on the sidewalls, wherein the dielectric material comprises at least one of: a silicon oxide material, a silicon nitride material, or a silicon carbide material.
15 . The method of claim 14 , wherein the reactive-ion directional plasma treatment deposition process is a single precursor deposition process, and wherein the single precursor deposition process uses, as a precursor, at least one of: a siloxane, a siloxane derivative, an aminosilane, a silazane, an aminosilane derivative, a silazane derivative, a carbosilane, or a carbosilane derivative.
16 . The method of claim 14 , wherein the reactive-ion directional plasma treatment deposition process uses a biomolecular approach.
17 . The method of claim 14 , wherein the reactive-ion directional plasma treatment deposition process is a low temperature deposition process performed at a temperature less than or equal to about 0° C.
18 . The method of claim 14 , wherein obtaining the base structure comprises patterning a mask layer disposed on a substrate to form the at least one opening and at least one mask layer portion, and wherein the dielectric material is formed within the at least one opening and on the at least one mask layer portion.
19 . The method of claim 14 , further comprising performing level selective removal to remove dielectric material formed on at least one feature of the base structure.
20 . The method of claim 14 , further comprising:
forming a polymer material on the dielectric material;
after forming the polymer material, removing dielectric material formed on at least one feature of the base structure; and
removing the polymer material after removing the dielectric material formed on the at least one feature.