【4/18更新】CiNii ArticlesのCiNii Researchへの統合について

構造色呈色を目指したMEMS微細多段フィン構造を型に用いた樹脂材料への熱インプリント転写と離型特性評価

書誌事項

タイトル別名
  • Characterization of Thermal Imprinting and Releasing of Resins using Micro-multi-fin Structured MEMS Mold for Structural Color Expression
  • コウゾウショク テイショク オ メザシタ MEMS ビサイ タダン フィン コウゾウ オ カタ ニ モチイタ ジュシ ザイリョウ エ ノ ネツ インプリント テンシャ ト リケイ トクセイ ヒョウカ

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抄録

<p>This paper describes characterization of thermal imprinting of resins using a fabricated micro-multi-fin structured micro-electro-mechanical system(MEMS)mold to incorporate a structural color expression function.</p><p>Through the MEMS fabrication process, micro-mold structures with 0.2-μm pitch inclined micro-multi-fin structures on the sidewalls of microscale ridges(structures resembling a morpho butterfly)were fabricated on Si substrates. Shape transfer properties related to thermal imprinting of cycloolefin polymer(COP)and polymethyl methacrylate(PMMA)were examined using the fabricated MEMS mold with an inclined multi-fin structure. Thermal imprinting was conducted under various temperature conditions related to the measured glass transition points of resins obtained via dynamic mechanical analysis. The multi-fin shape(a 4-μm pitch ridge structure with a 0.2-μm pitch inclined multi-fin structure)was transferred to the COP and PMMA. The molding resin fin widths increased along with increasing molding temperature. Also, adhesion between the mold and the resin improved, which made release of the resin from the mold difficult. Finally, the imprinted PMMA exhibited a light blue reflection(380-500 nm).</p>

収録刊行物

  • 表面技術

    表面技術 72 (3), 170-175, 2021-03-01

    一般社団法人 表面技術協会

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