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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0808904 (2015-07-24) |
등록번호 | US-9659792 (2017-05-23) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 31 인용 특허 : 689 |
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 fluorine species comprising a portion of the fluorine-containing plasma effluents are incorporated with the silicon oxide region;flowing a first treatment precursor into the remote plasma region of a substrate processing chamber to produce treatment plasma effluents, wherein the treatment precursor comprises a precursor selected from the group consisting of nitrogen, helium, argon, and xenon;flowing at least one additional treatment precursor into the substrate processing region, wherein the at least one additional treatment precursor comprises hydrogen (H2), and wherein the at least one additional treatment precursor bypasses the remote plasma region; andexposing the silicon oxide region to a combination of the treatment precursors including treatment plasma effluents to remove residual fluorine species from the silicon oxide region. 2. The method of claim 1, wherein the exposed non-oxide region comprises silicon, silicon nitride, or a metal. 3. The method of claim 1, wherein the treatment plasma effluents at least partially dissociate the at least one additional treatment precursor in the substrate processing region. 4. The method of claim 3, wherein the at least partially dissociated at least one additional treatment precursor interacts and bonds with the fluorine species incorporated with the silicon oxide region. 5. The method of claim 1, wherein the treatment precursor comprises helium. 6. The method of claim 1, wherein the exposure causes a portion of the silicon oxide material to be removed. 7. The method of claim 1, wherein the exposure removes at least a portion of the fluorine species while maintaining or essentially maintaining the silicon oxide material. 8. The method of claim 1, wherein the method is performed in a single chamber environment. 9. The method of claim 1, wherein the exposure is performed at a temperature between about 0° C. and about 800° C. 10. The method of claim 1, wherein the exposure is performed at a pressure between about 1 mTorr and about 700 Torr. 11. 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 fluorine species comprising a portion of the fluorine-containing plasma effluents are incorporated within a film atomic matrix of the silicon oxide region;exposing the silicon oxide region to ultra-violet light; andreducing the incorporated fluorine species to an atomic percentage below about 20%. 12. The method of claim 11, wherein the process temperature during the exposure is greater than or about 350° C. 13. The method of claim 11, wherein the exposure is performed for over 200 seconds.
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