JP2022165921A - 基板を処理する方法および基板を処理する為の方法 - Google Patents
基板を処理する方法および基板を処理する為の方法 Download PDFInfo
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Abstract
Description
Claims (18)
- 第1の面(4)と、第1の面(4)の反対側にある第2の面(14)とを有する基板(2)を処理する方法であって、前記方法は、
前記基板(2)の前記第1の面(4)に保護フィルム(16)を付けるステップと、
前記保護フィルム(16)を前記基板(2)の前記第1の面(4)に付けた後、前記基板(2)の前記第2の面(14)から前記基板(2)を処理するステップと、
前記基板(2)の前記第2の面(14)から前記基板(2)を処理した後、前記基板(2)の前記第2の面(14)から欠陥について前記基板(2)の前記第2の面(14)を検査するステップと、
欠陥について前記基板(2)の前記第2の面(14)を検査した後、前記基板(2)の前記第2の面(14)に支持フィルム(34)を付けるステップと、
前記基板(2)の前記第1の面(4)から前記保護フィルム(16)を除去するステップと、
前記基板(2)の前記第1の面(3)から前記保護フィルム(16)を除去した後、前記基板(2)の前記第1の面(4)から欠陥について前記基板(2)の前記第1の面(4)を検査するステップと、
を含む、方法。 - 前記基板(2)の前記第1の面(4)から前記保護フィルム(16)を除去する前に、前記保護フィルム(16)を介して欠陥について前記基板(2)の前記第1の面(4)を検査するステップを更に含む、請求項1に記載の方法。
- 前記支持フィルム(34)を前記基板(2)の前記第2の面(14)に付ける前または後に、前記保護フィルム(16)を介して欠陥について前記基板(2)の前記第1の面(4)を検査する、請求項2に記載の方法。
- 前記基板(2)は、前記第1の面(4)に、複数のデバイス(8)を有するデバイス領域(10)を有する、請求項1~3のいずれか一項に記載の方法。
- 一つ又は複数の欠陥が、前記基板(2)の前記第2の面(14)から欠陥について前記基板(2)の前記第2の面(14)を検査することによって識別される場合、識別された一つ又は複数の欠陥の一つ又は複数の位置を決定し、それによって、第1の位置情報を得るステップ、さらに/または、
一つ又は複数の欠陥が、前記基板(2)の前記第1の面(4)から欠陥について前記基板(2)の前記第1の面(4)を検査することによって識別される場合、識別された欠陥の一つ又は複数の位置を決定し、それによって、第2の位置情報を得るステップ、
を更に含む、請求項1~4のいずれか一項に記載の方法。 - 前記第1の位置情報と前記第2の位置情報とを対応付けるステップを更に含む、請求項5に記載の方法。
- 前記基板(2)の前記第2の面(14)から欠陥について前記基板(2)の前記第2の面(14)を検査するステップは検査手段(30)を用いて行われ、前記検査手段(30)は、前記基板(2)の前記第1の面(4)から欠陥について前記基板(2)の前記第1の面(4)を検査するためにも用いられる、請求項1~6のいずれか一項に記載の方法。
- 前記支持フィルム(34)は、前記支持フィルム(34)の表の面(36)の少なくとも中央領域が前記基板(2)の前記第2の面(14)に直接接触するように前記支持フィルム(34)の前記表の面(36)の少なくとも中央領域と前記基板(2)の前記第2の面(14)との間に接着材が存在しない為に、前記基板(2)の前記第2の面(14)に付けられる、請求項1~7のいずれか一項に記載の方法。
- 前記基板(2)がウェハ、特に半導体ウェハである、請求項1~8のいずれか一項に記載の方法。
- 前記保護フィルム(16)は、前記保護フィルム(16)の表の面(18)の少なくとも中央領域が前記基板(2)の前記第1の面(4)に直接接触するように前記保護フィルム(16)の前記表の面(18)の少なくとも中央領域と前記基板(2)の前記第1の面(4)との間に接着材が存在しない為に、前記基板(2)の前記第1の面(4)に付けられる、請求項1~9のいずれか一項に記載の方法。
- 前記基板(2)の前記第2の面(14)から前記基板(2)を処理するステップは、前記基板(2)を前記基板(2)の前記第2の面(14)から複数の分離した要素(26)に分割する工程から成る又は分割する工程を含む、請求項1~10のいずれか一項に記載の方法。
- 前記基板(2)を複数の分離した要素(26)に分割する工程は、前記基板(2)を、前記基板(2)の前記第2の面(14)から前記基板(2)の前記第1の面(4)に向かって延びる厚さ方向に沿って切断する段階から成る又は切断する段階を含む、請求項11に記載の方法。
- 前記基板(2)の厚さ方向に沿って前記基板(2)を切断する段階は、基板(2)を機械的に切断すること、および/または、前記基板(2)をレーザ切断すること、および/または、前記基板(2)をプラズマ切断することから成る又はこれらを含む、請求項12に記載の方法。
- 前記基板(2)の前記第1の面(4)から欠陥について前記基板(2)の前記第1の面(4)を検査した後、前記支持フィルム(34)から前記分離した要素(26)をピックアップするステップを更に含む、請求項11~13のいずれか一項に記載の方法。
- 前記基板(2)の前記第2の面(14)から前記基板(2)を処理するステップは、前記基板(2)の厚さを減少させるように前記基板(2)を薄くする工程から成る又は前記基板(2)を薄くする工程を含む、請求項1~14のいずれか一項に記載の方法。
- 基板(2)を処理するシステムであって、前記基板(2)は、第1の面(4)と、前記第1の面(4)の反対側にある第2の面(14)とを有し、前記システムは、
前記基板(2)の前記第1の面(4)に保護フィルム(16)を付ける付ける手段と、
前記基板(2)の前記第1の面(4)に前記保護フィルム(16)を付けた後、前記基板(2)の前記第2の面(14)から前記基板(2)を処理する処理手段(28)と、
前記基板(2)の前記第2の面(14)から前記基板(2)を処理した後に、前記基板(2)の前記第2の面(14)から欠陥について前記基板(2)の前記第2の面(14)を検査する検査手段(30)と、
前記基板(2)の前記第2の面(14)を欠陥について検査した後に、前記基板(2)の前記第2の面(14)に支持フィルム(34)を付けるように構成された付ける手段と、
前記基板(2)の前記第1の面(4)から前記保護フィルム(16)を除去するように構成された保護フィルム除去手段(48)と、
前記基板(2)の前記第1の面(4)から前記保護フィルム(16)を除去した後に、前記基板(2)の前記第1の面(4)から欠陥について前記基板(2)の前記第1の面(4)を検査するように構成された検査手段(50)と、
を備える、システム。 - 前記基板(2)の前記第2の面(14)を検査するように構成された前記検査手段(30)と、前記基板(2)の前記第1の面(4)を検査するように構成された検査手段(50)とは、単一の検査手段である、請求項16に記載のシステム。
- 前記基板(2)の前記第1の面(4)に前記保護フィルム(16)を付けるように構成された前記付ける手段と、前記基板(2)の前記第2の面(14)に前記支持フィルム(34)を付けるように構成された前記付ける手段とは、同一の単一の付ける手段である、請求子16又は17に記載のシステム。
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