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Sinusoidal wavelength-scanning interferometry for measurement of thickness and surface profiles of thin films

Research Project

Project/Area Number 19560419
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Measurement engineering
Research InstitutionNiigata University

Principal Investigator

SASAKI Osami  Niigata University, 自然科学系, 教授 (90018911)

Co-Investigator(Kenkyū-buntansha) SUZUKI Takamasa  新潟大学, 自然科学系, 教授 (40206496)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywords光干渉 / 光波長走査 / 形状計測 / 信号推定 / 波長走査 / 光干渉計 / 信号推処 / 信号推処理
Research Abstract

厚さ0.001mm程度の非常に薄い膜の3次元形状を測定することは、微細構造をもつ電子デバイスの製造において重要なことあるが、容易に測定する方法がなかった。そこで、本研究では、光の波長が時間的に正弦波状に変化するレーザ光源を構築し、この波長走査光源を用いた干渉計で得られる干渉信号をコンピュータ内に取り込み、複雑な反復的演算処理を行うことによって、0.000001mm(ナノメータ)の正確さで膜形状を3次元的に測定することができた。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (5 results)

All 2008 2007

All Presentation (5 results)

  • [Presentation] 白色光源による正弦波状波長走査干渉計を用いた薄膜形状計測2008

    • Author(s)
      上野浩
    • Organizer
      OPTlCS&PHOTONlCS JAPAN 2008
    • Place of Presentation
      つくば国際会議場
    • Year and Date
      2008-11-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] Wavelength-scanning interferometry using backpropagation of optical fields for shape measurement of thin plate2008

    • Author(s)
      O. Sasaki, Hirot Ashitate, and T. Suzuki
    • Organizer
      ICO21, Optical Instruments
    • Place of Presentation
      Australia, Congress
    • Related Report
      2008 Final Research Report
  • [Presentation] 白色光源による正弦波状波長走査干渉計を用いた薄膜形状計測2008

    • Author(s)
      上野浩、佐々木修己、鈴木孝昌
    • Organizer
      OPTICS & PHOTONICS
    • Place of Presentation
      JAPAN
    • Related Report
      2008 Final Research Report
  • [Presentation] Sinusoidal wavelength-scanning interferometers for shape measurements2007

    • Author(s)
      Osami Sasaki
    • Organizer
      Photonics Asia 2007, Proc. SPIE 6829, 682908
    • Place of Presentation
      Beijing, China
    • Year and Date
      2007-11-13
    • Related Report
      2007 Annual Research Report
  • [Presentation] Sinusoidal wavelength-scanning interferometers for shape measurements2007

    • Author(s)
      O. Sasaki
    • Organizer
      Photonics Asia 2007, Advanced Materials and Devices for Sensing and Imaging III
    • Place of Presentation
      Shanghai China
    • Related Report
      2008 Final Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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