Adhesion Control between Resist and Photomask Blank
スポンサーリンク
概要
- 論文の詳細を見る
Most problems in photomask fabrication such as pattern collapse, haze, and cleaning damage are related to the behavior of surfaces and interfaces of resists, opaque layers, and quartz substrates. Therefore, it is important to control the corresponding surface and interface energies in photomask fabrication processes. In particular, adhesion analysis in microscopic regions is strongly desirable to optimize material and process designs in photomask fabrication. We applied the direct peeling (DP) method with a scanning probe microscope (SPM) tip and measured the adhesion of resist patterns on Cr and quartz surfaces for photomask process optimization. We also studied the effect of tip shape on the reproducibility of adhesion measurements and the dependence of collapse behavior on the resist profile. We measured lateral forces between the resulting collapsed resist pillar and the Cr or the quartz surface before and after the sliding and related these observed lateral forces to the static and kinetic frictional forces, respectively. We also studied the effect of surface modification of the Cr and quartz surfaces with silanization reagents on adhesion measured with the DP method. Resist adhesion could be controlled by surface modification using silanes. We also discuss the relationship between the adhesion observed with the DP method and the properties of the modified surfaces including water contact angles and local adhesive forces measured from force–distance curves with an SPM.
- 2009-06-25
著者
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Ohtani Hiroyuki
Department Of Biomolecular Engineering Faculty Of Bioscience And Biotechnology Tokyo Institute Of Te
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Fujihira Masamichi
Department Of Biomolecular Engineering Tokyo Institute Of Technology
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Yoshida Kouji
Research & Development Center, Dai Nippon Printing Co., Ltd., 250-1 Wakashiba, Kashiwa, Chiba 277-0871, Japan
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Kurihara Masaaki
Electronic Device Laboratory, Electronic Device Operations, Dai Nippon Printing Co., Ltd., 2-2-1 Fukuoka, Fujimino, Saitama 356-8507, Japan
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Hatakeyama Sho
Electronic Device Laboratory, Electronic Device Operations, Dai Nippon Printing Co., Ltd., 2-2-1 Fukuoka, Fujimino, Saitama 356-8507, Japan
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Abe Makoto
Electronic Device Laboratory, Electronic Device Operations, Dai Nippon Printing Co., Ltd., 2-2-1 Fukuoka, Fujimino, Saitama 356-8507, Japan
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Totsukawa Daisuke
Electronic Device Laboratory, Electronic Device Operations, Dai Nippon Printing Co., Ltd., 2-2-1 Fukuoka, Fujimino, Saitama 356-8507, Japan
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Morikawa Yasutaka
Electronic Device Laboratory, Electronic Device Operations, Dai Nippon Printing Co., Ltd., 2-2-1 Fukuoka, Fujimino, Saitama 356-8507, Japan
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Mohri Hiroshi
Electronic Device Laboratory, Electronic Device Operations, Dai Nippon Printing Co., Ltd., 2-2-1 Fukuoka, Fujimino, Saitama 356-8507, Japan
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Hoga Morihisa
Electronic Device Laboratory, Electronic Device Operations, Dai Nippon Printing Co., Ltd., 2-2-1 Fukuoka, Fujimino, Saitama 356-8507, Japan
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Hayashi Naoya
Electronic Device Laboratory, Electronic Device Operations, Dai Nippon Printing Co., Ltd., 2-2-1 Fukuoka, Fujimino, Saitama 356-8507, Japan
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