Method and apparatus for removing organic films
First Claim
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1. An apparatus for removing an organic film from a surface of a substrate comprising:
- (A) a treatment liquid delivery means for transporting a treatment liquid comprising liquid ethylene carbonate, propylene carbonate, or both thereof to a treatment area, (B) a film contact means for bringing said treatment liquid into contact with the surface of said organic film of said substrate within said treatment area, (C) a treatment liquid circulation means for recycling the treatment liquid used and discharged from said treatment area back to said treatment area via one or more temporary storage means, and (D) an ozone-containing gas contact means for bringing an ozone-containing gas into contact with said treatment liquid discharged from said treatment area within at least one of said temporary storage means.
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Abstract
A method and an apparatus for removing an organic film, such as a resist film, from a substrate surface are provided wherein a treatment liquid containing dissolved ozone, and preferably formed from liquid ethylene or propylene carbonate, or both, is contacted with the substrate having the organic film, and the organic film removed, wherein the apparatus contains (A) a treatment liquid delivery device, (B) a film contact device, (C) a liquid circulation device and (D) an ozone dissolution device.
28 Citations
12 Claims
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1. An apparatus for removing an organic film from a surface of a substrate comprising:
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(A) a treatment liquid delivery means for transporting a treatment liquid comprising liquid ethylene carbonate, propylene carbonate, or both thereof to a treatment area, (B) a film contact means for bringing said treatment liquid into contact with the surface of said organic film of said substrate within said treatment area, (C) a treatment liquid circulation means for recycling the treatment liquid used and discharged from said treatment area back to said treatment area via one or more temporary storage means, and (D) an ozone-containing gas contact means for bringing an ozone-containing gas into contact with said treatment liquid discharged from said treatment area within at least one of said temporary storage means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification