JP7186304B2 - 欠陥検査装置 - Google Patents
欠陥検査装置 Download PDFInfo
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Description
図1は、本開示の一実施例における欠陥検査装置を概略的に示した図面である。
Claims (16)
- 対象を保持するための保持部及び前記対象を移動させるための駆動部を含むロボットアーム;
前記対象の外観を撮影する第1カメラ部;
前記対象の外観に光を照射する照明部;及び
前記第1カメラ部が撮影した前記対象の画像に基づき、前記対象の欠陥有無を判断する制御部;
を含み、
前記制御部は、前記それぞれ異なる照明条件のもとで撮影した2つ以上の画像に基づき、前記対象の欠陥有無を判断し、
前記制御部は、
アノマリー有無の判断の基礎となる正常な画像である、第1照明条件のもとで撮影された第1正常画像及び第2照明条件のもとで撮影された第2正常画像を欠陥検査モデルに含まれた第1サブモデルに含まれたチャンネルの各々に入力して演算し、
アノマリー有無の判断の対象となる画像である、前記第1照明条件のもとで撮影された第1判断対象画像及び前記第2照明条件のもとで撮影された第2判断対象画像を前記欠陥検査モデルに含まれた第2サブモデルに含まれたチャンネルの各々に入力して演算し、さらに、
前記第1サブモデル及び第2サブモデルの演算結果に基づき、前記対象の欠陥有無を判断する、ことを特徴とする欠陥検査装置。 - 請求項1において、
前記第1カメラ部が撮影した前記対象の画像及び前記対象の欠陥有無が示された画像のうち少なくとも1つの画像を表示するディスプレイ部;
をさらに含む、欠陥検査装置。 - 請求項1において、
前記対象を欠陥検査のために移送するための移送部;及び
前記対象に対する前記制御部の前記欠陥検査の結果に基づき前記対象を分類し、移送するための分類移送部;
をさらに含む、欠陥検査装置。 - 請求項1において、
前記駆動部は、
前記対象を回転させるための少なくとも1つの駆動軸を含む、欠陥検査装置。 - 請求項1において、
前記駆動部は、
前記第1カメラ部が最初の配置状態とは違う配置状態での前記対象を撮影して、最初の視点とは違う視点で撮影した画像を取得できるように前記対象の配置状態を調整する、欠陥検査装置。 - 請求項1において、
前記保持部によって保持される前の前記対象を撮影するための第2カメラ部;
をさらに含み、
前記制御部は、
前記第2カメラ部から取得した前記対象の画像に基づき、前記保持部が前記対象の配置状態に合わせて前記対象を保持するために並べ替えられるようにすることができる、欠陥検査装置。 - 請求項1において、
前記照明部は、
光を照射する2つ以上のサブ照明部を含み、前記照明部は、内部に空間を形成し、
前記第1カメラ部は、
前記空間の一側に位置し、前記空間の他側に前記ロボットアームによって配置された対象を前記空間を通じて撮影するようにし、さらに、
前記制御部は、
前記第1カメラ部が前記対象を撮影できるように、前記ロボットアームが前記対象を前記空間の前記他側に配置するようにする、欠陥検査装置。 - 請求項7において、
前記サブ照明部は、
円錐台又角錐台の形状を持つことができ、さらに錐台形状の内部の面には光を照射する発光部が位置する、欠陥検査装置。 - 請求項7において、
前記2つ以上のサブ照明部は、
円錐台又角錐台の形状を持つことができ、各サブ照明部の錐台形状の下面の幅と上面の幅との比率はそれぞれ異なる、欠陥検査装置。 - 請求項1において、
前記照明部は、
2つ以上のそれぞれ異なる種類の光を前記対象の外観に照射する、欠陥検査装置。 - 請求項1において、
前記制御部は、
第1配置状態の前記対象をそれぞれ異なる照明条件のもとで撮影した2つ以上の画像及び第2配置状態の前記対象をそれぞれ異なる照明条件のもとで撮影した2つ以上の画像に基づき前記対象の欠陥有無を判断する、欠陥検査装置。 - 請求項1において、
前記制御部は、
前記2つ以上の画像を、1つ以上のネットワーク関数を含む欠陥検査モデルに含まれた2つ以上のチャンネルの各々に入力して、前記欠陥検査モデルを利用して前記入力された2つ以上の画像の各々の特徴を抽出し、前記抽出された特徴に基づき前記2つ以上の画像の各々にアノマリーがあるか否かを判断できる、欠陥検査装置。 - 請求項12において、
前記制御部は、
前記2つ以上の画像のうち少なくとも1つの画像にアノマリーがあると判断された場合、前記対象に欠陥があると決定する、欠陥検査装置。 - 請求項1において、
前記欠陥検査モデルは、
前記第1サブモデル及び第2サブモデルのうち少なくとも1つと直列に繋がる比較モジュールをさらに含む、欠陥検査装置。 - 請求項1において、
前記第1正常画像が入力される第1サブモデル第1チャンネルは、
前記第1判断対象画像が入力される第2サブモデル第1チャンネルと同一の重みを持つリンクを少なくとも1つ以上共有し、且つ、
前記第2正常画像が入力される第1サブモデル第2チャンネルは、
前記第2判断対象画像が入力される第2サブモデル第2チャンネルと同一の重みを持つリンクを少なくとも1つ以上共有する、欠陥検査装置。 - 請求項1において、
前記制御部は、
第1サブモデル第1チャンネルの少なくとも1つのレイヤー及び第2サブモデル第1チャンネルの少なくとも1つのレイヤーに基づき、少なくとも1つの第1レイヤー比較情報を生成し、前記第1レイヤー比較情報を比較モジュール第1チャンネルにおける対応するレイヤーに伝達し、第1判断対象画像のアノマリー情報を演算し、そして、
第1サブモデル第2チャンネルの少なくとも1つのレイヤー及び第2サブモデル第2チャンネルの少なくとも1つのレイヤーに基づき、少なくとも1つの第2レイヤー比較情報を生成し、前記第2レイヤー比較情報を比較モジュール第2チャンネルにおける対応するレイヤーに伝達し、第2判断対象画像のアノマリー情報を演算する、欠陥検査装置。
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