Microstructure Formation on Polytetrafluoroethylene (PTFE) and Perfluoroalkoxy (PFA) Bulk Plates by a Magnetron Enhanced Reactive Ion Etching System
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- NABESAWA Hirofumi
- Machinery & Electronics Research Institute, Toyama Industrial Technology Center
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- HITOBO Takeshi
- Tateyama Machine Co., Ltd.
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- ASAJI Toyohisa
- Department of Mechanical Engineering, National Institute of Technology, Toyama College
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- ABE Takashi
- Department of Mechanical and Production Engineering, Graduate School of Science and Technology, Niigata University
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- SEKI Minoru
- Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University
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抄録
The etching characteristics of polytetrafluoroethylene (PTFE) and perfluoroalkoxy (PFA) bulk plates were studied in a magnetron enhanced reactive ion etching (M-RIE) system. The etch rates of the plates for oxygen plasma were investigated under the pressure range 0.1-2.0 Pa, and were found to strongly correlate with the self-bias voltage. The plates presented smooth surface in the 0.1-1.0 Pa pressure range, and rough surfaces at 1.5 Pa and 2.0 Pa. The roughness was introduced by a micromask sputtered from the chamber material. The titanium etching mask exhibited lower etch rates for oxygen plasma than aluminum and silicon dioxide. Finally, using the dry-etched titanium mask in low-pressure oxygen plasma, we fabricated a 5-μm pitch line-and-space structure on a PTFE plate and a 4-μm square pillar array on a PFA plate.<br>
収録刊行物
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- Journal of the Vacuum Society of Japan
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Journal of the Vacuum Society of Japan 60 (5), 176-181, 2017
一般社団法人 日本真空学会
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詳細情報
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- CRID
- 1390282680271387520
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- NII論文ID
- 130006900166
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- NII書誌ID
- AA12298652
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- ISSN
- 18824749
- 18822398
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- NDL書誌ID
- 028222360
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
- KAKEN
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- 使用不可