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2個の高輝度LEDと垂直走査型干渉計を用いる高速nm精度形状計測
http://hdl.handle.net/2297/43206
http://hdl.handle.net/2297/432064eb5b7e5-5f89-4ffa-9f50-29b4e7b173d1
名前 / ファイル | ライセンス | アクション |
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TE-PR-ADACHI-M-1404.pdf (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | 2個の高輝度LEDと垂直走査型干渉計を用いる高速nm精度形状計測 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | High-speed Nanometric-precision Profilometry using Vertical Scanning Interferometry and Two high-power LED | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
安達, 正明
× 安達, 正明× 上田, 覚児× 榎本, 文彦 |
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書誌情報 |
精密工学会誌論文集 = Journal of the Japan Society for Precision Engineering. Supplement. Contributed papers 巻 71, 号 11, p. 1404-1409, 発行日 2005-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1348-8724 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11966630 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.2493/jspe.71.1404 | |||||
出版者 | ||||||
出版者 | 精密工学会 = The Japan Society for Precision Engineering | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 広帯域スペクトル光での干渉を用いて, 段差を持つ超精密部品等の形状を高速に測定する方法を述べている. 高速化を図るため, 2色のLED光を用い位相シフト量をそれぞれ6π±π/2とし, 110 Hzで交互に色別の干渉像を取り込んで波長別の位相を計算する方法で, 3次元形状をnmの計測精度でありながら垂直走査速度45 μm/sで計測可能なことを示している. We propose a high-speed vertical scanning profilometry which has nanometric height precision. The proposed profilometry is equipped with two short-coherent-light sources, which are made of extremely-high-power light emitting diodes (LED). In 3-D profile measurements, the profilometry acquires many interferograms while vertically scanning a Mirau-type objective with 0.407-μm movement/interferogram and alternately-flashing LED. Odd-numbered interferograms are acquired with 503-nm LED and even-numbered interferograms are with 591-nm LED. Regarding the acquired interferograms, a computer calculates phase and modulation contrast using a phase-shifting technique. As two movements are repeated between acquirements of the same-color interferograms, phase step corresponds to approximately 6π + π/2 with 503 nm and approximately 6π - π/2 with 591 nm, respectively. After searching the interferogram having a contrast peak, the computer extracts optical path difference of the searched interferogram with nanometric resolution from the phase information. From the vertical movement length of 0.407 μm and a frame rate of 111 Hz, a vertical scanning speed is given as 45.2 μm/s. Nanometric height precision of the profilometry is checked using the measured data of a step height standard. | |||||
権利 | ||||||
権利情報 | Copyright © The Japan Society for Precision Engineering 精密工学会 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.jspe.or.jp/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/browse/jspe/-char/ja/ |