JP6789187B2 - 基板反り検出装置及び基板反り検出方法、並びにこれらを用いた基板処理装置及び基板処理方法 - Google Patents
基板反り検出装置及び基板反り検出方法、並びにこれらを用いた基板処理装置及び基板処理方法 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67288—Monitoring of warpage, curvature, damage, defects or the like
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
- G01B11/306—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces for measuring evenness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/9501—Semiconductor wafers
- G01N21/9505—Wafer internal defects, e.g. microcracks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67259—Position monitoring, e.g. misposition detection or presence detection
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68764—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a movable susceptor, stage or support, others than those only rotating on their own vertical axis, e.g. susceptors on a rotating caroussel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68771—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by supporting more than one semiconductor substrate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
Description
前記回転テーブルの側方から斜め上方に向けて、前記回転テーブルの側面上端にビーム下部が衝突し、該ビーム下部より上部は前記回転テーブルの表面近傍を通過するようにビーム光線を投光する投光手段と、
該投光手段に対向して設けられ、前記回転テーブルの表面近傍を通過する前記ビーム光線を受光し、受光量を検出する受光手段と、
前記投光手段は、前記基板載置領域に載置された前記基板が前記回転テーブルの表面より上方に所定高さ突出したときに前記受光手段が検出する受光量が所定の閾値未満となるように配置されている。
2 回転テーブル
4 凸状部
5 突出部
7 ヒータユニット
10 搬送アーム
11 天板
12 容器本体
15 搬送口
17 穴
18 窓
21 コア部
24 凹部(基板載置部)
25 エンコーダ
31,32 反応ガスノズル
41,42 分離ガスノズル
43 溝部
44 (低い)天井面
45 (高い)天井面
80 投光部
90 受光部
100 制御部
110 遮蔽板
C 中心領域
D 分離領域
E1,E2 排気領域
S 内部空間
W ウエハ
Claims (20)
- 回転テーブル上に周方向に沿って設けられた窪み状の基板載置領域に載置された基板の前記回転テーブルの回転中における反りを検出する基板反り検出装置であって、
前記回転テーブルの側方から斜め上方に向けて、前記回転テーブルの側面上端にビーム下部が衝突し、該ビーム下部より上部は前記回転テーブルの表面近傍を通過するようにビーム光線を投光する投光手段と、
該投光手段に対向して設けられ、前記回転テーブルの表面近傍を通過する前記ビーム光線を受光し、受光量を検出する受光手段と、
前記投光手段は、前記基板載置領域に載置された前記基板が前記回転テーブルの表面より上方に所定高さ突出したときに前記受光手段が検出する受光量が所定の閾値未満となるように配置されている基板反り検出装置。 - 前記基板載置領域と前記受光手段との間に設けられ、前記受光手段に入光する前記ビーム光線のビーム上部を遮蔽する遮光手段を更に有し、
前記投光手段及び前記遮光手段は、前記基板載置領域に載置された前記基板が前記回転テーブルの表面より上方に前記所定高さ突出したときに前記受光手段が検出する受光量が前記所定の閾値未満となるように配置されている請求項1に記載の基板反り検出装置。 - 前記回転テーブル上には、前記周方向に沿って複数の前記基板載置領域が設けられており、前記投光手段及び前記受光手段は、複数の前記基板載置領域上を通過するように設定されている請求項1又は2に記載の基板反り検出装置。
- 前記回転テーブルの表面の高さが局所的に異なる場合において、前記投光手段及び前記受光手段は、前記回転テーブルの表面の高さが最も低い位置に設けられた前記基板載置領域について、載置された前記基板が前記回転テーブルの表面より上方に前記所定高さ突出したときに前記受光手段が検出する受光量が前記所定の閾値未満となるように配置された請求項2又は3に記載の基板反り検出装置。
- 前記回転テーブルの回転を制御する制御手段を更に有し、
前記受光手段が検出する受光量がゼロであることを検出したときには、前記制御手段は前記回転テーブルの回転を減速又は停止させる請求項1乃至4のいずれか一項に記載の基板反り検出装置。 - 前記所定高さは、前記基板が前記基板載置領域から脱離はしないが、前記所定高さを超えると脱離のおそれが生じる高さに設定されている請求項1乃至5のいずれか一項に記載の基板反り検出装置。
- 前記投光手段は、前記基板載置領域に載置された前記基板が前記回転テーブルの表面より上方に前記所定高さ突出したときに前記受光手段が検出する受光量がゼロとなるように配置されている請求項1乃至6のいずれか一項に記載の基板反り検出装置。
- 前記投光手段の傾き角度は、0.1°以上15°以下の所定角度に設定されている請求項1乃至7のいずれか一項に記載の基板反り検出装置。
- 前記投光手段は、前記回転テーブルの表面から0.1mm以上1.0mmの範囲内に前記ビーム光線が位置するように配置された請求項1乃至8のいずれか一項に記載の基板反り検出装置。
- 前記受光手段は、CCDを含む請求項1乃至9のいずれか一項に記載の基板反り検出装置。
- 前記回転テーブルは、処理容器内に設けられ、
前記投光手段及び前記受光手段は、前記処理容器の外部に設けられている請求項1乃至10のいずれか一項に記載の基板反り検出装置。 - 処理容器と、
該処理容器内に設けられ、周方向に沿って上面に基板載置領域を有する回転テーブルと、
該回転テーブル上に処理ガスを供給可能な処理ガス供給手段と、
請求項1乃至11のいずれか一項に記載の基板反り検出装置と、を有する基板処理装置。 - 回転テーブルの上面に周方向に沿って設けられた窪み状の基板載置領域に基板を載置した状態で前記回転テーブルを回転させる工程と、
前記回転テーブルの側方から斜め上方に向けて、前記回転テーブルの側面上端にビーム下部が衝突し、該ビーム下部よりも上部は前記回転テーブルの表面近傍を通過するようにビーム光線を投光する工程と、
前記ビーム光線を受光し、前記ビーム光線の受光量を検出する工程と、を有し、
前記ビーム光線は、前記基板載置領域に載置された前記基板が前記回転テーブルの表面よりも所定高さ突出したときに、前記ビーム光線の受光量が所定の閾値未満であることを検出するように投光される基板反り検出方法。 - 前記ビーム光線を投光する工程と、前記ビーム光線の受光量を検出する工程との間に、前記ビーム光線の上端部を遮光する工程を更に有する請求項13に記載の基板反り検出方法。
- 前記ビーム光線の受光量がゼロであることを検出したときには、前記回転テーブルを減速又は停止させる工程を更に有する請求項13又は14に記載の基板反り検出方法。
- 前記回転テーブル上には、前記周方向に沿って複数の前記基板載置領域が設けられており、前記ビーム光線は、複数の前記基板載置領域上を通過するように投光される請求項13乃至15のいずれか一項に記載の基板反り検出方法。
- 前記回転テーブルの表面の高さが局所的に異なる場合において、前記回転テーブルの表面の高さが最も低い位置に設けられた前記基板載置領域について、載置された前記基板が前記回転テーブルの表面より上方に前記所定高さ突出したときに前記受光量が前記所定の閾値未満となるように前記ビーム光線を投光する請求項13乃至16のいずれか一項に記載の基板反り検出方法。
- 前記所定高さは、前記基板が前記基板載置領域から脱離はしないが、前記所定高さを超えると脱離のおそれが生じる高さに設定されている請求項13乃至17のいずれか一項に記載の基板反り検出方法。
- 前記ビーム光線は、前記基板載置領域に載置された前記基板が前記回転テーブルの表面よりも前記所定高さ突出したときに、前記ビーム光線の受光量がゼロを検出するように投光される請求項13乃至18のいずれか一項に記載の基板反り検出方法。
- 前記回転テーブルの上面に処理ガスを供給する工程を更に有し、
前記回転テーブルの上面に載置された前記基板を処理しながら前記請求項13乃至19のいずれか一項に記載の基板反り検出方法を実施する基板処理方法。
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JP2017133979A JP6789187B2 (ja) | 2017-07-07 | 2017-07-07 | 基板反り検出装置及び基板反り検出方法、並びにこれらを用いた基板処理装置及び基板処理方法 |
US16/026,395 US10763147B2 (en) | 2017-07-07 | 2018-07-03 | Substrate warpage detection device, substrate warpage detection method, and substrate processing apparatus and substrate processing method using the same |
KR1020180077686A KR102354048B1 (ko) | 2017-07-07 | 2018-07-04 | 기판 휨 검출 장치 및 기판 휨 검출 방법, 그리고 이들을 사용한 기판 처리 장치 및 기판 처리 방법 |
CN201810732206.1A CN109216238B (zh) | 2017-07-07 | 2018-07-05 | 基板翘曲检测装置及方法和基板处理装置及方法 |
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