KR101020609B1 - 레지스트용 중합체 용액 및 그 제조방법 - Google Patents
레지스트용 중합체 용액 및 그 제조방법 Download PDFInfo
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- KR101020609B1 KR101020609B1 KR1020067013865A KR20067013865A KR101020609B1 KR 101020609 B1 KR101020609 B1 KR 101020609B1 KR 1020067013865 A KR1020067013865 A KR 1020067013865A KR 20067013865 A KR20067013865 A KR 20067013865A KR 101020609 B1 KR101020609 B1 KR 101020609B1
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- Prior art keywords
- solvent
- resist
- polymer
- boiling point
- solution
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- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
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- 239000012467 final product Substances 0.000 description 1
- 125000001153 fluoro group Chemical class F* 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004029 hydroxymethyl group Chemical group [H]OC([H])([H])* 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- GYDSPAVLTMAXHT-UHFFFAOYSA-N pentyl 2-methylprop-2-enoate Chemical compound CCCCCOC(=O)C(C)=C GYDSPAVLTMAXHT-UHFFFAOYSA-N 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- WYKYCHHWIJXDAO-UHFFFAOYSA-N tert-butyl 2-ethylhexaneperoxoate Chemical compound CCCCC(CC)C(=O)OOC(C)(C)C WYKYCHHWIJXDAO-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005931 tert-butyloxycarbonyl group Chemical group [H]C([H])([H])C(OC(*)=O)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/0048—Photosensitive materials characterised by the solvents or agents facilitating spreading, e.g. tensio-active agents
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/16—Coating processes; Apparatus therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Materials For Photolithography (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
Description
을 포함하는 공정에 의해, 혼입한 용매나 미반응 모노머 등의 저비점 불순물을 더욱 제거하고, 최종적으로 이들 불순물을 레지스트용 중합체에 대해서 1질량% 이하로 한 용액으로서 수득하는 것이 가능해진다.
No. |
주입 조성(몰%) | 불순물 제거방법 |
최고 진공도(㎪) |
최고온도 (℃) |
처리시간 (hr) |
|||||
NLM | NLA | EAM | ECpM | HAM | PHS | |||||
실시예1 | - | 50 | 50 | - | - | - | 본발명 | 0.6 | 49 | 6 |
실시예2 | 37 | - | - | 34 | 29 | - | 본발명 | 0.7 | 50 | 6 |
실시예3 | - | - | 18 | - | - | 82 | 본발명 | 0.7 | 54 | 6 |
비교예1 | - | 50 | 50 | - | - | - | 진공건조 | 0.7 | 75 | 72 |
비교예2 | 37 | - | - | 34 | 29 | - | 진공건조 | 0.7 | 75 | 72 |
비교예3 | - | - | 18 | - | 82 | 진공건조 | 0.7 | 75 | 72 |
No. | NMR로 분석한 조성(몰%) | GPC 분석 | 저비점 불순물 (질량%)** |
||||||||
NLM | NLA | EAM | ECpM | HAM | PHS | MA+AA* | Mw | Mw/Mn | 유기물 | 수분 | |
실시예1 | - | 50 | 50 | - | - | - | 0.0 | 8400 | 2.04 | 0.3 | 0.1 |
실시예2 | 40 | - | - | 30 | 30 | - | 0.0 | 11600 | 1.82 | 0.3 | 0.1 |
실시예3 | - | - | 20 | - | - | 80 | 0.0 | 13100 | 1.85 | 0.2 | 0.1 |
비교예1 | - | 50 | 50 | - | - | - | 0.3 | 8500 | 2.05 | 3.7 | 0.5 |
비교예2 | 40 | - | - | 30 | 30 | - | 0.5 | 11500 | 1.83 | 7.5 | 0.2 |
비교예3 | - | - | 20 | - | - | 80 | 0.4 | 13000 | 1.86 | 6.3 | 0.7 |
* 「MA+AA」는 메타크릴산 단위(MA) 및 아크릴산 단위(AA)의 조성비(몰%)를 나타냄. ** 저비점 불순물의 양은 레지스트용 중합체에 대한 함유량(질량%)을 나타냄. |
Claims (13)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 적어도 산의 작용으로 분해되어 알칼리 가용성으로 되는 반복 단위와, 극성기를 함유하는 반복 단위를 포함하는 레지스트용 중합체를, 적어도 1종 이상의 코팅막 형성용 용매에 용해한 레지스트용 중합체 용액의 제조방법에 있어서, 하기 공정 (1) 및 공정 (2)을 포함하며, 상기 용액 중의 상압에서의 비점이 상기 코팅막 형성용 용매의 비점 이하인 불순물의 양이 레지스트용 중합체에 대해서 1질량% 이하인 것을 특징으로 하는 레지스트용 중합체 용액의 제조방법:(1) 레지스트용 중합체를 함유하는 고형물을 적어도 1종 이상의 하기 용매 (a) 및/또는 용매 (b)를 포함하는 용매에 재용해시키는 재용해 공정:(a) 코팅막 형성용 용매(b) 상압에 있어서 비점이 용매 (a)의 비점 이하인 용매; 및(2) 필요에 따라 용매 (a)를 첨가하면서, 상기 공정 (1)에서 수득된 재용해액으로부터 용매 (b) 및/또는 과잉량의 용매 (a)를 70℃ 이하의 온도로 제어하여 감압하에서 제거하는 불순물 제거 공정.
- 제 6항에 있어서,상기 공정 (1)에서, 재용해에 이용하는 용매는 적어도 1종 이상의 용매 (b)를 포함하는 용매인 것을 특징으로 하는 레지스트용 중합체 용액의 제조방법.
- 제 6항에 있어서,용매 (b)의 레지스트용 중합체를 용해시키는 속도는 용매 (a)의 레지스트용 중합체를 용해시키는 속도보다 빠른 것을 특징으로 하는 레지스트용 중합체 용액의 제조방법.
- 제 6항에 있어서,상기 용매 (b)는 아세톤, 메틸에틸케톤, 테트라히드로퓨란, 에틸렌글리콜디메틸에테르 또는 아세트산 에틸인 것을 특징으로 하는 레지스트용 중합체 용액의 제조방법.
- 제 6항 내지 제 9항 중 어느 하나의 항에 기재된 제조방법으로 제조되는 레지스트용 중합체 용액.
- 제 10항에 기재된 레지스트용 중합체 용액을 포함하는 레지스트 조성물.
- 삭제
- 삭제
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JP2003413627A JP3694692B2 (ja) | 2003-12-11 | 2003-12-11 | レジスト用ポリマー溶液およびその製造方法 |
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US (1) | US8119321B2 (ko) |
JP (1) | JP3694692B2 (ko) |
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WO (1) | WO2005057288A1 (ko) |
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WO2007116664A1 (ja) | 2006-03-31 | 2007-10-18 | Jsr Corporation | フッ素含有重合体及び精製方法並びに感放射線性樹脂組成物 |
JP5064715B2 (ja) * | 2006-04-24 | 2012-10-31 | 株式会社ダイセル | フォトレジスト用樹脂溶液の製造方法 |
JP4911456B2 (ja) * | 2006-11-21 | 2012-04-04 | 富士フイルム株式会社 | ポジ型感光性組成物、該ポジ型感光性組成物に用いられる高分子化合物、該高分子化合物の製造方法及びポジ型感光性組成物を用いたパターン形成方法 |
JP4976229B2 (ja) * | 2007-08-03 | 2012-07-18 | 株式会社ダイセル | フォトレジスト用樹脂溶液の製造方法、フォトレジスト組成物およびパターン形成方法 |
JP2010002633A (ja) * | 2008-06-19 | 2010-01-07 | Mitsubishi Rayon Co Ltd | レジスト組成物 |
JP5591465B2 (ja) * | 2008-10-30 | 2014-09-17 | 丸善石油化学株式会社 | 濃度が均一な半導体リソグラフィー用共重合体溶液の製造方法 |
US20100151118A1 (en) * | 2008-12-17 | 2010-06-17 | Eastman Chemical Company | Carrier solvent compositions, coatings compositions, and methods to produce thick polymer coatings |
JP5653583B2 (ja) * | 2009-02-27 | 2015-01-14 | 丸善石油化学株式会社 | 半導体リソグラフィー用共重合体の製造方法 |
WO2011004787A1 (ja) * | 2009-07-07 | 2011-01-13 | 三菱レイヨン株式会社 | リソグラフィー用共重合体およびその評価方法 |
JP5712003B2 (ja) * | 2010-04-07 | 2015-05-07 | 富士フイルム株式会社 | インプリント用硬化性組成物およびインプリント用重合性単量体の製造方法 |
JP5659570B2 (ja) * | 2010-06-16 | 2015-01-28 | 三菱レイヨン株式会社 | 重合体の製造方法、半導体リソグラフィー用重合体、レジスト組成物、およびパターンが形成された基板の製造方法 |
JP5743858B2 (ja) * | 2011-11-14 | 2015-07-01 | 丸善石油化学株式会社 | 低分子量レジスト用共重合体の製造方法 |
JP6051651B2 (ja) * | 2012-07-23 | 2016-12-27 | Jsr株式会社 | フォトレジスト用樹脂溶液の製造方法 |
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JP2005173252A (ja) | 2005-06-30 |
JP3694692B2 (ja) | 2005-09-14 |
US8119321B2 (en) | 2012-02-21 |
WO2005057288A1 (ja) | 2005-06-23 |
US20070111137A1 (en) | 2007-05-17 |
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