JP5406204B2 - 極薄ポリマー接着層 - Google Patents
極薄ポリマー接着層 Download PDFInfo
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- JP5406204B2 JP5406204B2 JP2010536928A JP2010536928A JP5406204B2 JP 5406204 B2 JP5406204 B2 JP 5406204B2 JP 2010536928 A JP2010536928 A JP 2010536928A JP 2010536928 A JP2010536928 A JP 2010536928A JP 5406204 B2 JP5406204 B2 JP 5406204B2
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- 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
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
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- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- G—PHYSICS
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- 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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
- G03F7/0388—Macromolecular compounds which are rendered insoluble or differentially wettable with ethylenic or acetylenic bands in the side chains of the photopolymer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description
本出願は、米国特許法第119条(e)(1)の下で、2007年12月4日に出願された米国特許仮出願第60/992179号の利益を主張し、この仮出願は、ここに於いて、参照によって本明細書に組み込まれる。本出願はまた、米国特許法第120条の下で、2005年7月22日に出願された、米国特許出願第11/187406号および米国特許出願第11/187407号、ならびに2007年4月12日に出願された米国特許出願第11/734542号の一部継続出願であり、ここに於いて、これらの特許出願の全ては参照によって本明細書に組み込まれる。米国特許出願第11/734542号は、米国特許出願第11/187406号および米国特許出願第11/187407号の一部継続出願である。
合衆国政府は、米国立標準技術研究所(NIST)ATP Awardによって助成された70NANB4H3012の条項によって規定される通り、本発明におけるペイド−アップ・ライセンス(paid−up license)、および、妥当な期間、他の者に使用を許可するように、特許所有者に要求する、限定された状況における権利を有する。
発明の分野は、広く、ナノ構造作製に関する。より詳細には、本発明は、極薄(ultra−thin)ポリマー接着層を対象とする。
[1]基板;および
該基板に接着したポリマー接着層
を含み、該ポリマー接着層の厚さが約2nm未満である、インプリント・リソグラフィーのインプリント用スタック。
[2]ポリマー接着層の厚さが約1nmである、[1]に記載のインプリント用スタック。
[3]ポリマー接着層が、少なくとも約2nmの伸びきり骨格長さを有するポリマー成分を含む組成物から形成される、[1]に記載のインプリント用スタック。
[4]ポリマー成分が、芳香族基を含む化合物から合成される、[3]に記載のインプリント用スタック。
[5]ポリマー成分がクレゾールエポキシノボラックから合成される、[3]に記載のインプリント用スタック。
[6]ポリマー成分が、基板に結合することができるカルボキシル官能基、およびインプリント・レジストと結合することができるさらなる官能基を含む、[3]に記載のインプリント用スタック。
[7]ポリマー接着層が、インプリント用スタック上でのインプリント・レジストの固化の間に、インプリント・レジストと結合することができる、[1]に記載のインプリント用スタック。
[8]インプリント・リソグラフィー基板上に重合性組成物をスピンコートすること;
重合性組成物を固化させて、インプリント・リソグラフィー基板に接着したポリマー接着層を形成すること
を含み、ポリマー接着層の厚さが約2nm未満である、インプリント・リソグラフィー基板上に接着層を形成する方法。
[9]ポリマー接着剤層の厚さが約1nmである、[8]に記載の方法。
[10]ポリマー接着層が、少なくとも約2nmの伸びきり骨格長さを有するポリマー成分を含む組成物から形成される、[8]に記載の方法。
[11]重合性組成物が、芳香族基を含む化合物から合成される成分を含む、[8]に記載の方法。
[12]重合性組成物が、クレゾールエポキシノボラックを含む化合物から合成される成分を含む、[8]に記載の方法。
[13]重合性組成物がポリマー成分を含み、該ポリマー成分が、基板に結合することができるカルボキシル官能基、およびインプリント・レジストと結合することができるさらなる官能基を含む、[8]に記載のインプリント用スタック。
[14]ポリマー接着層にインプリント・レジストを付けること、および該インプリントを固化させることをさらに含み、インプリント・レジストを固化させることが、インプリント・レジストをポリマー接着層に結合させることを含む、[8]に記載の方法。
[15]少なくとも約2nmの伸びきり骨格長さを有するポリマー成分を含む重合性組成物をインプリント・リソグラフィー基板上にスピンコートすること;
インプリント・リソグラフィー基板の表面に、ポリマー成分の骨格を平面状配置に実質的に整列させること;
重合性組成物を固化させて、インプリント・リソグラフィー基板に接着したポリマー接着層を形成すること
を含み、ポリマー接着層の厚さが約2nm未満である、インプリント・リソグラフィーの方法。
一態様において、インプリント・リソグラフィーのインプリント用スタックは、基板および該基板に接着したポリマー接着層を含む。別の態様において、接着層は、重合性組成物をインプリント・リソグラフィー基板上にスピンコートすること、および重合性組成物を固化させて、インプリント・リソグラフィー基板に接着したポリマー接着層を形成することによって、インプリント・リソグラフィー基板上に形成される。さらに別の態様において、重合性組成物は、インプリント・リソグラフィー基板上にスピンコートされる。この重合性組成物は、少なくとも約2nmの伸びきり骨格(extended backbone)を有するポリマー成分を含む。ポリマー成分の骨格は、インプリント・リソグラフィー基板の表面に沿って、本質的に、平面状配置(planar configuration)で整列する。重合性組成物は、固化して、ポリマー接着層を形成する。ポリマー接着層の厚さは約2nm未満である。
主インプリント用材料
イソボルニルアクリラート
n−ヘキシルアクリラート
エチレングリコールジアクリラート
2−ヒドロキシ−2−メチル−1−フェニル−プロパン−1−オン
組成物1
β−CEA
DUV30J−16
ここで、DUV30J−16は、組成物1の約100グラムを成し、β−CEAは約0.219グラムを成す。DUV30J−16は、Brewer Science(Rolla、ミズーリ州)から入手可能なボトム反射防止コーティング(BARC)であり、93%の溶媒、および7%の非溶媒反応性成分を含む。DUV30J−16は、フェノール樹脂を含み、その架橋剤は、カルボン酸官能基と反応できる。DUV30J−16は、形成物50とは共有結合を生じないと考えられる。
組成物2
DUV30J−16
ISORAD(登録商標)501
CYMEL(登録商標)303ULF
CYCAT(登録商標)4040
組成物2の約100グラムは、DUV30J−16から成り、組成物2の0.611グラムは、ISORAD(登録商標)501から成り、組成物2の0.175グラムは、CYMEL(登録商標)303ULFから成り、また組成物2の0.008グラムは、CYCAT(登録商標)4040から成る。
組成物3
ISORAD(登録商標)501
CYMEL(登録商標)303ULF
CYCAT(登録商標)4040
PM Acetate
組成物3は、約77グラムのISORAD(登録商標)501、22グラムのCYMEL(登録商標)303ULF、および1グラムのCYCAT(登録商標)4040を含む。ISORAD(登録商標)501、CYMEL(登録商標)303ULF、およびCYCAT(登録商標)4040は一緒にする。次いで、ISORAD(登録商標)501、CYMEL(登録商標)303ULF、およびCYCAT(登録商標)4040の組合せを、約1900グラムのPM Acetateに添加する。PM Acetateは、Eastman Chemical Company(Kingsport、テネシー州)によって販売されている、2−(1−メトキシ)プロピルアセタートからなる溶媒の製品名である。
66、68 境界。
Claims (15)
- ポリマー接着層の厚さが1nmである、請求項1に記載のインプリント用スタック。
- クレゾールエポキシノボラックから製造されるポリマーが、少なくとも2nmの伸びきり骨格長さを有する、請求項1または2に記載のインプリント用スタック。
- クレゾールエポキシノボラックから製造されるポリマーが、基板に結合することができるカルボキシル官能基、およびインプリント・レジストと結合することができるさらなる官能基を含む、請求項1〜3のいずれか1項に記載のインプリント用スタック。
- ポリマー接着層が、インプリント用スタック上でのインプリント・レジストの固化の間に、インプリント・レジストと結合することができる、請求項1〜6のいずれか1項に記載のインプリント用スタック。
- ポリマー接着剤層の厚さが1nmである、請求項8に記載の方法。
- ポリマー接着層が、少なくとも2nmの伸びきり骨格長さを有するポリマー成分を含む組成物から形成される、請求項8または9に記載の方法。
- 重合性組成物がポリマー成分を含み、該ポリマー成分が、基板に結合することができるカルボキシル官能基、およびインプリント・レジストと結合することができるさらなる官能基を含む、請求項8〜10のいずれか1項に記載の方法。
- ポリマー接着層にインプリント・レジストを付けること、および該インプリントを固化させることをさらに含み、インプリント・レジストを固化させることが、インプリント・レジストをポリマー接着層に結合させることを含む、請求項8〜13のいずれか1項に記載の方法。
- 少なくとも2nmの伸びきり骨格長さを有するポリマー成分を含む重合性組成物をインプリント・リソグラフィー基板上にスピンコートすること;
インプリント・リソグラフィー基板の表面に、ポリマー成分の骨格を平面状配置に実質的に整列させること;
重合性組成物を固化させて、インプリント・リソグラフィー基板に接着したポリマー接着層を形成すること
を含み、ポリマー接着層の厚さが2nm未満であり、
該ポリマー接着層が、以下:
に示すクレゾールエポキシノボラックから製造されるポリマー、およびヘキサメトキシメチル−メラミンを含む組成物により形成される、インプリント・リソグラフィーの方法。
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2008
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EP2217968A1 (en) | 2010-08-18 |
US8846195B2 (en) | 2014-09-30 |
KR20100099205A (ko) | 2010-09-10 |
KR101610185B1 (ko) | 2016-04-07 |
US20090155583A1 (en) | 2009-06-18 |
EP2217968A4 (en) | 2011-12-28 |
WO2009085090A1 (en) | 2009-07-09 |
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