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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0246978 (2014-04-07) |
등록번호 | US-9093371 (2015-07-28) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 92 인용 특허 : 430 |
Systems, chambers, and processes are provided for controlling process defects caused by moisture contamination. The systems may provide configurations for chambers to perform multiple operations in a vacuum or controlled environment. The chambers may include configurations to provide additional proc
Systems, chambers, and processes are provided for controlling process defects caused by moisture contamination. The systems may provide configurations for chambers to perform multiple operations in a vacuum or controlled environment. The chambers may include configurations to provide additional processing capabilities in combination chamber designs. The methods may provide for the limiting, prevention, and correction of aging defects that may be caused as a result of etching processes performed by system tools.
1. A method of removing contaminants on a substrate having an exposed silicon oxide region and an exposed non-oxide region, the method comprising: flowing a fluorine-containing precursor into a remote plasma region of a substrate processing chamber fluidly coupled with a substrate processing region
1. A method of removing contaminants on a substrate having an exposed silicon oxide region and an exposed non-oxide region, the method comprising: flowing a fluorine-containing precursor into a remote plasma region of a substrate processing chamber fluidly coupled with a substrate processing region of the substrate processing chamber while forming a plasma in the remote plasma region to produce fluorine-containing plasma effluents;etching the exposed non-oxide region utilizing the plasma effluents, wherein residual fluorine species are incorporated within the silicon oxide region;flowing at least one treatment precursor into the substrate processing region, wherein flowing the at least one treatment precursor comprises: condensing water vapor on the surface of the silicon oxide region; andflowing a nitrogen-containing precursor into the substrate processing region. 2. The method of claim 1, wherein the at least one treatment precursor is not passed through a plasma prior to being flowed into the substrate processing region, and wherein the processing region is maintained plasma free during the condensing. 3. The method of claim 1, wherein the nitrogen-containing precursor comprises ammonia. 4. The method of claim 3, wherein the water vapor interacts with the residual fluorine species, and wherein the ammonia subsequently interacts with both materials to produce byproducts along the silicon oxide region. 5. The method of claim 4, wherein the temperature in the chamber is raised above a threshold temperature that causes the byproducts to evaporate. 6. The method of claim 5, wherein the threshold temperature is above about 100° C. 7. The method of claim 1, wherein the process substantially maintains the silicon oxide material. 8. The method of claim 1, wherein the process reduces the concentration of fluorine within a surface layer of the silicon oxide below about 10%. 9. A method of removing contaminants on a substrate having an exposed silicon oxide region and an exposed non-oxide region, the method comprising: flowing a fluorine-containing precursor into a remote plasma region of a substrate processing chamber fluidly coupled with a substrate processing region of the substrate processing chamber while forming a plasma in the remote plasma region to produce fluorine-containing plasma effluents;etching the exposed non-oxide region utilizing the plasma effluents, wherein residual fluorine species are incorporated within the silicon oxide region;flowing water vapor into the substrate processing region;condensing the water vapor on the surface of the silicon oxide region; andflowing a nitrogen-containing precursor into the substrate processing region. 10. The method of claim 9, wherein the water vapor is not passed through a plasma prior to being flowed into the substrate processing region. 11. The method of claim 9, wherein the processing region is maintained plasma free during the condensing operation. 12. The method of claim 9, wherein the nitrogen-containing precursor comprises ammonia. 13. The method of claim 12, wherein the water vapor interacts with the residual fluorine species, and wherein the ammonia subsequently interacts with both materials to produce byproducts along the silicon oxide region. 14. The method of claim 13, further comprising raising the temperature in the chamber above a threshold temperature that causes the byproducts to evaporate. 15. The method of claim 14, wherein the threshold temperature is above about 100° C. 16. The method of claim 9, wherein the process substantially maintains the silicon oxide material. 17. The method of claim 9, wherein the process reduces the concentration of fluorine within a surface layer of the silicon oxide below about 10%.
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