FIBを用いたカーボン型の作製及び<br>ガラス材料のマイクロ・ナノ成形

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タイトル別名
  • Micro/Nano-3D Structuring of Glassy Carbon by FIB Etching<br>for Hot Embossing of Glass Materials
  • FIB オ モチイタ カーボンガタ ノ サクセイ オヨビ ガラス ザイリョウ ノ マイクロ ナノ セイケイ

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抄録

Micro/nano imprinting or hot embossing is of interest in the industrial production of microdevices. In fluidic MEMS (micro electro mechanical systems) applications, polymer materials have been employed, because of their low cost in the fabrication of economical products. However glass is much more suitable for higher temperature applications or strong chemical environments. In optical MEMS as well, glass is a good candidate materials because of their better optical properties. Si or Ni molds, usually employed for polymer forming, can not be used for glass forming because of their poor heat resistance and the difficulty of removal arising from cohesion between the mold and the glass. Glassy carbon (GC) is thus a suitable material for high-temperature embossing. In this study, FIB (focused ion beam) machining was employed for micro/nano 3D-structuring of GC materials, the machining characteristics are summarized as follows. 1) Machining depth is proportional to machining time, 2) nanomachining of 0.3μm resolution is possible, 3) smooth surface with maximum roughness of Ra=30nm after is formed 20μm deep machining, 4) implanted Ga ions precipitate up on 350°C annealing, but disappear after annealing in vacuum at elevated temperatures. Finally a Pyrex-glass embossed structure is successfully fabricated by hot embossing with a good fidelity of 10x10x7μm in size and with a 0.3 μm line and space pattern and 0.4 μm depth.

収録刊行物

  • 塑性と加工

    塑性と加工 48 (553), 115-119, 2007

    一般社団法人 日本塑性加工学会

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