JP5392972B2 - 透明基板のための統合計測チャンバ - Google Patents
透明基板のための統合計測チャンバ Download PDFInfo
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/26—Phase shift masks [PSM]; PSM blanks; Preparation thereof
- G03F1/30—Alternating PSM, e.g. Levenson-Shibuya PSM; Preparation thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K29/00—Combinations of writing implements with other articles
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H29/00—Drive mechanisms for toys in general
- A63H29/24—Details or accessories for drive mechanisms, e.g. means for winding-up or starting toy engines
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H3/00—Dolls
- A63H3/18—Jumping jacks
-
- 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
- H01L21/677—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 conveying, e.g. between different workstations
- H01L21/67739—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 conveying, e.g. between different workstations into and out of processing chamber
- H01L21/67742—Mechanical parts of transfer devices
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
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- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Robotics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Drying Of Semiconductors (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Description
[0001]本発明は、集積回路の製造に有用なフォトマスクの製作に関する。
[0002]フォトリソグラフィ技術は、基板表面上に堆積させた光パターンとフォトレジスト材料を使用して、エッチング処理前に、基板表面上に精密なパターンを生み出す。従来のフォトリソグラフィ処理では、エッチングされた層の上にフォトレジストが付加され、この層にエッチングされる接触部、ビア、相互接続部のような特徴部が、所望の特徴形状に関連したフォトリソグラフィフォトマスクを通る光のパターンにフォトレジストを露出させることで画成される。フォトレジストの組成を変えるために、例えば紫外線(UV)光を発光する光源を使用してフォトレジストを露出することができる。一般に、露出したフォトレジスト材料を化学処理によって除去し、下にある基板材料を露出させる。次に、露出した、下にある基板材料がエッチングされ、基板表面に特徴部が形成される一方で、保有されたフォトレジスト材料は、露出していない、下にある基板材料のための保護コーティングとして残される。フォトマスクは、装置パターンを作成するために繰り返し使用されるため、フォトマスク製造の品質制御が非常に重要である。
[0040]測定セル306の底部に取り付けたエッチング深度測定器具460に加えて、一実施形態において、開口部595を介して臨界寸法(CD)測定データを収集するために、測定セル306の頂部上にCD測定器具59が取り付けられている(図5Cに示すとおり)。基板エッチング手法を調整するために、収集したCD測定データをエッチャーへと前方または後方供給することができる。CD測定の測定場所要求はエッチング深度測定のものよりも厳密であるため、メインフレーム301内のロボット304の一部分であるロボットアーム500は、要求されるほど十分な精密な制御を有する必要はない。CD測定器具590は、CD測定器具内の測定装置(図示せず)が基板520よりも上の特定の測定場所へ移動することを可能にするための移動装置(図示せず)を含んでいてもよい。移動装置の移動は、その精密な移動を制御するために、コントローラーによって制御される。図5Cは、頂部CD測定器具590と底部エッチング深度測定器具460を備えた計測セル306の概略図を示す。
Claims (14)
- エッチング処理システム内で基板のエッチング深度を測定する機器であって、
前記エッチング処理システムのメインフレームと結合した測定セルと、
前記測定セルの底部と結合しており、基板のエッチング深度を基板の裏側から測定するエッチング深度測定器具であって、前記測定セルの底部における開口部により、前記エッチング深度測定器具と前記基板の間を光ビームが通過することが可能であるエッチング深度測定器具と、
前記基板を前記測定セルへ移送するために前記メインフレーム内に配置した基板移送ロボットと、を備え、
前記基板移送ロボットは、前記基板を保持するためのロボットブレードを有し、
このロボットブレードは、前記測定セルにおける測定の間前記基板を保持しながら光ビームにより前記基板の裏側を照射することを可能にするための開口部を有する、機器。 - 前記ロボットブレードの前記開口部が円形又は四角形である、請求項1に記載の機器。
- 前記ロボットブレードが、前記エッチング深度測定器具のキャリブレーションに使用されるキャリブレーションパッドを備える、請求項1に記載の機器。
- 前記ロボットブレードが、前記基板の表面を、前記エッチング深度測定器具から発光された光ビームに対して垂直に位置決めするための回転および傾斜機能を有する、請求項1に記載の機器。
- エッチング処理システム内で基板のエッチング深度を測定するための機器であって、
前記エッチング処理システムのメインフレームと結合し、該メインフレームと共に前記エッチング処理システムの真空側に位置する測定セルと、
前記測定セルの底部と結合したエッチング深度測定器具と、
前記基板を前記測定セルへ移送するための、前記メインフレーム内に配置された基板移送ロボットと、を備え、
前記測定セルの底部における開口部により、前記エッチング深度測定器具と前記基板の間を光ビームが通過することが可能であり、
前記基板移送ロボットは、前記基板を保持するためのロボットブレードを有し、
このロボットブレードは、
前記測定セルにおける測定の間前記基板を保持しながら光ビームにより前記基板の裏側を照射することを可能にするための開口部と、
基板の表面を前記エッチング深度測定器具から発光された測定光ビームに対して垂直にすることを可能にするための回転および傾斜機能と、を有する、機器。 - 前記ロボットブレードの開口部が四角形である、請求項5に記載の機器。
- 前記ロボットブレードが、前記エッチング深度測定器具のキャリブレーションに使用するキャリブレーションパッドを備える、請求項5に記載の機器。
- 前記キャリブレーションパッドがベアシリコンを備える、請求項7に記載の機器。
- 前記ロボットブレードが、前記基板の表面を、前記エッチング深度測定器具から発光された光ビームに対して垂直に位置決めするための回転および傾斜機能を有する、請求項5に記載の機器。
- 前記メインフレームと結合したエッチングリアクタを更に備え、前記基板移送ロボットが、前記エッチングリアクタと前記測定セルとの間で基板を移送するように構成されている、請求項5に記載の機器。
- 前記エッチング深度測定器具が、光学的に透明な層を有する基板を検査するように構成されている、請求項5に記載の機器。
- 交互位相シフトマスクを準備する方法であって、
a)基板をエッチング処理チャンバ内に配置するステップであって、前記基板が光学的に透明な材料で作られており、且つ、前記基板が、第1のパターン化された不透明な層と、第2のパターン化されたフォトレジスト層とを前記光学的に透明な材料の上に有するステップと、
b)石英を第1のエッチング深度までエッチングするステップと、
c)前記基板を、当該基板を保持するためのロボットブレードを有する基板移送ロボットにより、基板移送チャンバと結合した測定セルへ移送するステップと、
d)前記測定セルの底部に結合したエッチング深度測定器具によって、前記基板の裏側からエッチング深度を測定し、次のエッチングのエッチング時間を決定するステップであって、当該エッチング深度は、前記測定セルにおける測定の間前記基板を保持しながら光ビームにより前記基板の裏側を照射することを可能にするための前記ロボットブレードの開口部を通過する光ビームを用いて測定されるステップと、
e)前記基板をエッチング処理チャンバに戻すステップと、
f)前記エッチング深度の測定によって決定されたエッチング時間だけエッチングするステップと、
g)前記基板を前記測定セルへ移送するステップと、
h)前記測定セルの底部に結合したエッチング深度測定器具によって、前記基板の裏側からエッチング深度を測定し、次のエッチングのエッチング時間を決定するステップと、
i)目標のエッチング深度に達するまで“e”から“h”までを繰り返すステップと、を備える、方法。 - 前記エッチング深度測定が、前記基板の裏側から反射された光ビームを集光することによって実行される、請求項12に記載の方法。
- エッチング処理システム内で基板のエッチング深度を測定する機器であって、
前記エッチング処理システムのメインフレームと結合した測定セルと、
前記測定セルの底部と結合したエッチング深度測定器具と、
前記測定セルの頂部と結合したCD測定器具と、
前記基板を前記測定セルへ移送するための、前記メインフレーム内に配置された基板移送ロボットと、を備え、
前記測定セルの底部における開口部により、前記エッチング深度測定器具と前記基板の間を光ビームが通過することが可能であり、
前記測定セルの頂部における開口部によって、光ビームが前記CD測定器具と前記基板の間を通過することが可能であり、
前記基板移送ロボットは、前記基板を保持するためのロボットブレードを有し、
このロボットブレードは、前記測定セルにおける測定の間前記基板を保持しながら光ビームにより前記基板の裏側を照射することを可能にするための開口部を有する、機器。
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Application Number | Priority Date | Filing Date | Title |
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US11/031,400 | 2005-01-08 | ||
US11/031,400 US20060154388A1 (en) | 2005-01-08 | 2005-01-08 | Integrated metrology chamber for transparent substrates |
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JP2006194878A JP2006194878A (ja) | 2006-07-27 |
JP2006194878A5 JP2006194878A5 (ja) | 2009-03-05 |
JP5392972B2 true JP5392972B2 (ja) | 2014-01-22 |
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US (2) | US20060154388A1 (ja) |
EP (1) | EP1679548A1 (ja) |
JP (1) | JP5392972B2 (ja) |
KR (1) | KR101252068B1 (ja) |
TW (1) | TWI375288B (ja) |
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TW200633107A (en) | 2006-09-16 |
US20060154388A1 (en) | 2006-07-13 |
TWI375288B (en) | 2012-10-21 |
KR101252068B1 (ko) | 2013-04-15 |
EP1679548A1 (en) | 2006-07-12 |
KR20060081365A (ko) | 2006-07-12 |
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