JP6640245B2 - 膨潤性フィルム形成組成物及びそれを用いたナノインプリントリソグラフィの方法 - Google Patents
膨潤性フィルム形成組成物及びそれを用いたナノインプリントリソグラフィの方法 Download PDFInfo
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Description
「a」、「an」、及び「the」といった単語は「少なくとも1つの」と同義的に使用され、説明されている要素のうちの1つ以上を意味するものとする。
基材の第1の面に重合性前駆体を鋳込み、硬化させて、水膨潤性アクリル層を基材に形成することであって、水膨潤性アクリル層は、肉薄部が所定のパターンに対応するように肉厚部及び肉薄部を有する、ことと、
肉薄部が除去されて基材が部分的に曝露されるように、水膨潤性アクリル層をエッチングすることと、
第1の面を金属化して、基材の曝露された部分と水膨潤性アクリル層の肉厚部とに金属を堆積させることと、
水膨潤性アクリル層を水に曝露し、水膨潤性アクリル層及びその金属の上塗りを基材から分離させ、基材に所定の金属化パターンを残すこととを含む、方法。
約30〜95重量部のモノアルコキシポリアルキレングリコールアクリレートと、
約5〜65重量部のモノ、ジ、又はトリアクリレートと、
約0.1〜2.5重量部の光開始剤とを含む、UV硬化性ポリマー前駆体を含む、組成物。
候補のUV硬化性アクリル系樹脂を、以下の表1に記載のように調製した。全ての試料は合計100グラムであり、ドイツ国ルートヴィヒスハーフェン所在のBASFからLUCIRIN TPOとして市販されているジフェニル(2,4,6−トリメチルベンゾイル)ホスフィンオキシド(TPO)光開始剤0.5g(0.5%)を添加した。これらの試料をローラー上に置き、穏やかに加熱してそれらを均質化した。これらの候補樹脂を、バージニア州チェスター所在のデュポン帝人フィルムからMELINEX 618として市販されている厚さ5ミル(0.012mm)のPETフィルム上に、メイヤーロッドコーターを使用してコーティングして、厚さ4ミル(0.10mm)のコーティングを用意した。これらのコーティングされたフィルムを、メリーランド州ゲイザースバーグ所在のHeraeus Noblelight Fusion UV Inc.からLIGHTHAMMER 6として市販されている500ワットUV照射ステーションに通した。この装置は、25ft/分(7.62m/分)のライン速度で窒素パージしながら、室温で100%出力のD電球を使用して作動させた。
米国特許第7,165,959号に概して記載されている装置を、以下のパラメータで構成した。コーティング試験は、以下の処理パラメータを使用して行った。
工具温度100°F(37.8℃)
ニップ圧40psi(0.28MPa)
ウェブ基材:厚さ5ミル(0.012mm)の下塗りされたPET
UV LED 30ワット、高強度
ウェブライン速度:20フィート毎分(6.1m/分)
微細複製工具ロールは、金属化されるパッド間の狭い間隙を有するチャレンジパターンを含んだ。
実施例3で作製したキャストフィルムを支持する基材を、反応性イオンエッチングに曝露して、キャストレジンの肉薄部を除去した。より具体的に述べると、200ワットのRF電力によって0.5標準リットル/分の酸素フローから酸素イオンを生成した。この基材を60〜80mTorrで80秒間曝露した。このレジメンは、キャストレジンの肉厚部を保持しつつ、肉薄部をエッチング除去した。次に、樹脂の肉厚部と、エッチングによって曝露された基材の表面とに、アルミニウム金属層を置いた。これは、40mAで3分間にわたるアルミニウム標的のスパッタ堆積によって達成された。次に、この金属層を加圧噴霧器からの熱水で洗浄し、硬化した樹脂の肉厚部と、その曝露表面に接着した金属とを除去した。微細複製工具上のパターンに対する良好な忠実度を示すパターン化金属層が、基材上に残った。
樹脂配合物が、Sartomer CD 553を90部、ペンシルベニア州エクストン所在のSartomerからSartomer602として市販されているエトキシ化トリメチロールプロパントリアクリレートを10部、そして光開始剤としてのTPOを0.10部含んだことを除いては、概して実施例3について記載したように試料を作った。この試料は、温水噴霧器に曝露したとき、良好な膨潤及び剥離を示した。
Claims (5)
- 所定の金属化パターンを基材に形成する方法であって、
前記基材の第1の面に重合性前駆体を鋳込み、UV照射により硬化させて、水膨潤性アクリル層を前記基材に形成することであって、前記水膨潤性アクリル層は、肉薄部が前記所定のパターンに対応するように肉厚部及び前記肉薄部を有する、ことと、
前記肉薄部が除去されて前記基材が部分的に曝露されるように、前記水膨潤性アクリル層をエッチングすることと、
前記第1の面を金属化して、前記基材の前記曝露された部分と前記水膨潤性アクリル層の前記肉厚部とに金属を堆積させることと、
前記水膨潤性アクリル層を水に曝露し、前記水膨潤性アクリル層及びその金属の上塗りを前記基材から分離させ、前記基材に前記所定の金属化パターンを残すこととを含む、方法。 - 前記水膨潤性アクリル層が、少なくとも約0.3マイクロメートルの厚さである、請求項1に記載の方法。
- 前記重合性前駆体が、約30〜95重量部のモノアルコキシポリアルキレングリコールアクリレート、約5〜65重量部の、エトキシ化トリメチロールプロパントリアクリレート、又はポリアルキレングリコールジアクリレートとヒドロキシアルキルモノアクリレートとの混合物、及び約0.1〜2.5重量部の光開始剤を含む、請求項1に記載の方法。
- 前記重合性前駆体が、液体のアクリル系樹脂モノマーを含む、請求項1に記載の方法。
- 前記重合性前駆体の粘度が、5000センチポアズ未満である、請求項1に記載の方法。
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PCT/US2016/029101 WO2016176129A1 (en) | 2015-04-29 | 2016-04-25 | Swellable film forming compositions and methods of nanoimprint lithography employing same |
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BR112017024689B1 (pt) | 2015-06-17 | 2022-04-12 | Clariant International Ltd | Polímeros hidrossolúveis ou incháveis em água, seu processo de produção, seu uso, processo de cimentação de perfurações profundas utilizando uma lama de cimento e mistura polimérica |
BR112019011780B1 (pt) | 2016-12-12 | 2023-03-07 | Clariant International Ltd | Polímero compreendendo carbono de material biológico, seu processo de obtenção e seu uso |
EP3551163B1 (en) | 2016-12-12 | 2021-02-17 | Clariant International Ltd | Use of bio-based polymer in a cosmetic, dermatological or pharmaceutical composition |
WO2018108663A1 (en) | 2016-12-15 | 2018-06-21 | Clariant International Ltd | Water-soluble and/or water-swellable hybrid polymer |
US11306170B2 (en) | 2016-12-15 | 2022-04-19 | Clariant International Ltd. | Water-soluble and/or water-swellable hybrid polymer |
EP3554644A1 (en) | 2016-12-15 | 2019-10-23 | Clariant International Ltd | Water-soluble and/or water-swellable hybrid polymer |
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EP3289604A4 (en) | 2018-12-19 |
KR101907337B1 (ko) | 2018-10-11 |
CN107533286A (zh) | 2018-01-02 |
KR20170135985A (ko) | 2017-12-08 |
EP3289604A1 (en) | 2018-03-07 |
US20180080119A1 (en) | 2018-03-22 |
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JP2018517583A (ja) | 2018-07-05 |
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