JP6342570B1 - ギャップ計測方法 - Google Patents
ギャップ計測方法 Download PDFInfo
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- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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Abstract
【解決手段】基板Swの一方の面内で互いに直交する2方向をX軸方向及びY軸方向とし、投光素子6と受光素子7とを有する計測部11を計測対象物の下方に離隔配置する工程と、投光素子6からの光が基板Sw下面で反射する位置を起点位置とし、この起点位置から計測部11を計測対象物に対してX軸方向及びY軸方向の少なくとも一方向に相対的に走査し、投光素子6からの光がマスクプレートMpで反射する計測位置にて投光素子6から光を照射して受光素子7でその反射光を受光することで、計測部11に対するマスクプレートMpの変位量に応じた走査データを取得する工程と、走査データとマスクプレートMpの板厚とから基板SwとマスクプレートMpとの間のギャップGpを計測する工程を含む。
【選択図】図3
Description
Claims (5)
- 基板の一方の面に、板厚方向に貫通する透孔を備えて基板への処理範囲を規定するマスクプレートを近接配置させたとき、基板とマスクプレートとの間のギャップを計測するためのギャップ計測方法であって、
マスクプレートから基板に向かう方向を上として、基板とマスクプレートとを上下方向で位置合わせして重ね、基板上にタッチプレートを介して保持手段を配置することで当該基板を挟み込むようにしてタッチプレートにマスクプレートを保持させた計測対象物を準備する工程と、
基板の一方の面内で互いに直交する2方向をX軸方向及びY軸方向とし、投光素子と受光素子とを有する計測部を計測対象物の下方に離隔配置する工程と、
投光素子からの光が基板下面で反射する位置を起点位置とし、この起点位置から計測部を計測対象物に対してX軸方向及びY軸方向の少なくとも一方向に相対的に走査し、投光素子からの光がマスクプレートで反射する計測位置にて投光素子から光を照射して受光素子でその反射光を受光することで、計測部に対するマスクプレートの変位量に応じた走査データを取得する工程と、
走査データとマスクプレートの板厚とから、基板とマスクプレートとの間のギャップを計測する工程を含むことを特徴とするギャップ計測方法。 - 請求項1記載のギャップ計測方法であって、マスクプレートの各透孔が下方向に向けて末拡がり内面を持つものにおいて、
前記計測位置に、透孔の下面内縁部で反射する光を受光するものを含むことを特徴とするギャップ計測方法。 - 請求項2記載のギャップ計測方法であって、投光素子から基板に対して垂直に光を照射するものにおいて、
投光素子からの光が基板下面で反射する位置を起点位置とし、この起点位置から計測部を計測対象物に対してX軸方向及びY軸方向の少なくとも一方向に相対的に走査し、投光素子からの光が基板下面で反射する複数の位置にて受光素子でその反射光を受光し、XY平面に対する基板の傾きを計測する工程と、投光素子からの光が基板に対して直角に入射するように、計測した基板の傾きに応じて計測部を傾動させる工程とを更に含むことを特徴とするギャップ計測方法。 - 前記計測部は、広帯域レーザーを使用して分光干渉法により前記変位量を計測することを特徴とする請求項1〜請求項3のいずれか1項に記載のギャップ計測方法。
- 前記計測部の投光素子から計測対象物に対して光を照射した領域を拡大して表示する工程を更に含むことを特徴とする請求項1〜請求項4のいずれか1項に記載のギャップ計測方法。
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CN201711430447.2A CN108239744B (zh) | 2016-12-27 | 2017-12-26 | 间隙计量方法 |
KR1020170179794A KR101921983B1 (ko) | 2016-12-27 | 2017-12-26 | 갭 계측 방법 |
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JPH10170929A (ja) * | 1996-12-11 | 1998-06-26 | Hitachi Ltd | 液晶表示セルの製造方法及び装置 |
JPH10289852A (ja) * | 1997-04-14 | 1998-10-27 | Toray Ind Inc | 隙間測定方法およびその装置並びに露光方法およびその装置 |
JP3974319B2 (ja) * | 2000-03-30 | 2007-09-12 | 株式会社東芝 | エッチング方法 |
KR100862301B1 (ko) * | 2000-07-16 | 2008-10-13 | 보드 오브 리전츠, 더 유니버시티 오브 텍사스 시스템 | 임프린트 리소그래피를 위한 고분해능 오버레이 정렬 방법 및 시스템 |
JP4014035B2 (ja) * | 2002-08-30 | 2007-11-28 | 東京エレクトロン株式会社 | 液処理装置 |
JP2006329729A (ja) * | 2005-05-25 | 2006-12-07 | Matsushita Electric Ind Co Ltd | 基板とマスクとのギャップ計測方法およびギャップ計測手段並びに印刷装置 |
US7511800B2 (en) * | 2005-11-28 | 2009-03-31 | Robert Bosch Company Limited | Distance measurement device with short range optics |
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JP2013093278A (ja) * | 2011-10-27 | 2013-05-16 | Hitachi High-Technologies Corp | 有機elデバイス製造装置 |
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JP2014222292A (ja) * | 2013-05-13 | 2014-11-27 | 株式会社ブイ・テクノロジー | 露光装置 |
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