Methods for resist stripping and other processes for cleaning surfaces substantially free of contaminants
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C25F-003/30
C25F-003/00
출원번호
US-0046104
(2005-01-28)
발명자
/ 주소
Tannous,Adel George
Makhamreh,Khalid
출원인 / 주소
Nanoclean Technologies, Inc.
대리인 / 주소
Loudermilk &
인용정보
피인용 횟수 :
1인용 특허 :
85
초록▼
A method for manufacturing an article where the article has polymeric residue that is to be removed during the manufacture of the article. The article is introduced into a controlled environment of a processing tool that has at least first and second processing chambers. Free radicals are generated
A method for manufacturing an article where the article has polymeric residue that is to be removed during the manufacture of the article. The article is introduced into a controlled environment of a processing tool that has at least first and second processing chambers. Free radicals are generated from one or more reactant gases and introduced into at least the first processing chamber where they react with the polymeric residue. A cryogenic cleaning medium is supplied into the second processing chamber where it removes the polymeric residue present after the free radicals react with the polymeric residue. The reactant gases are selected to facilitate removal of the polymeric residue with the cryogenic cleaning medium The first and second processing chambers may be dedicated to plasma processing or cryogenic processing or each may provide both plasma processing and cryogenic processing.
대표청구항▼
What is claimed is: 1. A method for manufacturing an article, the article having polymeric residue that is to be removed during the manufacture of the article, comprising the steps of: introducing the article into a controlled environment of a processing tool, the processing tool having at least fi
What is claimed is: 1. A method for manufacturing an article, the article having polymeric residue that is to be removed during the manufacture of the article, comprising the steps of: introducing the article into a controlled environment of a processing tool, the processing tool having at least first and second processing chambers; generating free radicals from one or more reactant gases remote from the first and second processing chambers; introducing the free radicals into the first processing chamber, wherein the free radicals react with the polymeric residue; and supplying a cryogenic cleaning medium into the second processing chamber, wherein the cryogenic cleaning medium removes the polymeric residue present after the free radicals react with the polymeric residue; wherein the reactant gases are selected to facilitate removal of the polymeric residue with the cryogenic cleaning medium. 2. The method of claim 1, further comprising the steps of: applying RF energy to one or more electrodes in the first processing chamber; generating an RF plasma, wherein the RF plasma is generated from the reactant gases and/or from the free radicals, wherein the RF plasma reacts with the polymeric residue; wherein the step of supplying a cryogenic cleaning medium operates to remove polymeric residue present after the RF plasma reacts with the polymeric residue. 3. The method of claim 1, wherein the cryogenic cleaning medium is supplied in an oscillatory, vibratory or pulsating manner. 4. The method of claim 1, wherein the polymeric residue results from a photoresist removal process. 5. The method of claim 1, wherein the cryogenic cleaning medium is subjected to a multi-stage, multi-mode filtering process prior to being supplied to the second processing chamber. 6. The method of claim 1, wherein the first processing chamber provides plasma processing but not cryogenic processing. 7. The method of claim 1, wherein the second processing chamber provides cryogenic processing but not plasma processing. 8. The method of claim 1, wherein each of the first and second processing chambers provide plasma processing and cryogenic processing. 9. The method of claim 1, wherein the cryogenic cleaning medium is supplied via a nozzle assembly that sweeps across the article. 10. The method of claim 9, wherein the nozzle assembly has a non-linear shape that corresponds to a shape of the article. 11. A method for manufacturing an article, the article having polymeric residue to be removed during the manufacture of the article, comprising the steps of: introducing the article into a controlled environment of a processing tool, the processing tool having at least first and second processing chambers; applying RF energy to one or more electrodes in the first processing chamber; generating an RF plasma, wherein the RF plasma is generated based on one or more reactant gases, wherein the RF plasma reacts with the polymeric residue; supplying a cryogenic cleaning medium into the second processing chamber, wherein the cryogenic cleaning medium operates to remove polymeric residue present after the RF plasma reacts with the polymeric residue; wherein the reactant gases are selected to facilitate removal of the polymeric residue with the cryogenic cleaning medium. 12. The method of claim 11, wherein the cryogenic cleaning medium is supplied in an oscillatory, vibratory or pulsating manner. 13. The method of claim 11, wherein the polymeric residue results from a photoresist removal process. 14. The method of claim 11, wherein the cryogenic cleaning medium is subjected to a multi-stage, multi-mode filtering process prior to being supplied to the second processing chamber. 15. The method of claim 11, wherein the first processing chamber provides plasma processing but not cryogenic processing. 16. The method of claim 11, wherein the second processing chamber provides cryogenic processing but not plasma processing. 17. The method of claim 11, wherein each of the first and second processing chambers provide plasma processing and cryogenic processing. 18. The method of claim 11, wherein the cryogenic cleaning medium is supplied via a nozzle assembly that sweeps across the article. 19. The method of claim 18, wherein the nozzle assembly has a non-linear shape that corresponds to a shape of the article.
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