JP6302373B2 - 基板ホルダ、リソグラフィ装置、デバイス製造方法、及び基板ホルダ製造方法 - Google Patents
基板ホルダ、リソグラフィ装置、デバイス製造方法、及び基板ホルダ製造方法 Download PDFInfo
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Classifications
-
- 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
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70691—Handling of masks or workpieces
- G03F7/70716—Stages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/002—Processes for applying liquids or other fluent materials the substrate being rotated
- B05D1/005—Spin coating
-
- 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
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70216—Mask projection systems
- G03F7/70341—Details of immersion lithography aspects, e.g. exposure media or control of immersion liquid supply
-
- 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
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70691—Handling of masks or workpieces
-
- 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
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/70691—Handling of masks or workpieces
- G03F7/707—Chucks, e.g. chucking or un-chucking operations or structural details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Description
[0037] − 放射ビームB(例えばUV放射、DUV放射、又はEUV放射)を調節するように構成された照明システム(イルミネータ)ILと、
[0038] − パターニングデバイス(例えばマスク)MAを支持するように構成され、特定のパラメータに従ってパターニングデバイスMAを正確に位置決めするように構成された第1のポジショナPMに接続された支持構造(例えばマスクテーブル)MTと、
[0039] − 基板(例えばレジストコートウェーハ)Wを保持するように構成され、特定のパラメータに従って基板Wを正確に位置決めするように構成された第2のポジショナPWに接続された基板テーブル(例えばウェーハテーブル)WTと、
[0040] − パターニングデバイスMAによって放射ビームBに与えられたパターンを基板Wのターゲット部分C(例えば1つ又は複数のダイを含む)に投影するように構成された投影システム(例えば屈折投影レンズシステム)PSとを備える。
[0065] 1.ステップモードでは、支持構造MT及び基板テーブルWTは、基本的に静止状態に維持される一方、放射ビームに与えたパターン全体が1回でターゲット部分Cに投影される(すなわち単一静的露光)。次に、別のターゲット部分Cを露光できるように、基板テーブルWTがX方向及び/又はY方向に移動される。ステップモードでは、露光フィールドの最大サイズによって、単一静的露光で像が形成されるターゲット部分Cのサイズが制限される。
[0066] 2.スキャンモードでは、支持構造MT及び基板テーブルWTは同期的にスキャンされる一方、放射ビームに与えられるパターンがターゲット部分Cに投影される(すなわち単一動的露光)。支持構造MTに対する基板テーブルWTの速度及び方向は、投影システムPSの拡大(縮小)及び像反転特性によって求めることができる。スキャンモードでは、露光フィールドの最大サイズによって、単一動的露光におけるターゲット部分Cの(非スキャン方向における)幅が制限され、スキャン動作の長さによってターゲット部分Cの(スキャン方向における)高さが決まる。
[0067] 3.別のモードでは、支持構造MTはプログラマブルパターニングデバイスを保持して基本的に静止状態に維持され、基板テーブルWTを移動又はスキャンさせながら、放射ビームに与えられたパターンをターゲット部分Cに投影する。このモードでは、一般にパルス状放射源を使用して、基板テーブルWTを移動させる毎に、又はスキャン中に連続する放射パルスの間で、プログラマブルパターニングデバイスを必要に応じて更新する。この動作モードは、以上で言及したようなタイプのプログラマブルミラーアレイなどのプログラマブルパターニングデバイスを使用するマスクレスリソグラフィに容易に利用できる。
Claims (13)
- リソグラフィ装置で使用するための基板ホルダであって、
表面を有する本体と、
前記表面から突出し、基板を支持する端面をそれぞれ有する複数のバールと、
前記本体表面の少なくとも一部に設けられた平坦化層と、
前記平坦化層上に設けられ、電子コンポーネントを形成する薄膜スタックと、
を備え、
前記平坦化層は、前記本体上に形成された第1の副層と、前記第1の副層上に形成された第2の副層とを有し、前記第1の副層及び前記第2の副層はそれぞれ平坦化材料を含む第1の溶液及び第2の溶液を塗布することにより形成され、前記第1の溶液は前記平坦化材料の第1の濃度を有し、前記第2の溶液は前記平坦化材料の第2の濃度を有し、前記第1及び第2の濃度は異なる、
基板ホルダ。 - 前記複数の前記バールの少なくとも1つは、前記平坦化層の溶媒又は前駆物質を反発するように処理されている外面を有する、請求項1に記載の基板ホルダ。
- 前記外面は、反発性材料の付与によって処理される、請求項2に記載の基板ホルダ。
- 前記電子コンポーネントは、電極、ヒータ、センサ、トランジスタ及び論理デバイスからなる群から選択されるコンポーネントである、請求項1から3のいずれかに記載の基板ホルダ。
- 前記電極は、使用時に静電クランプの電極である、請求項4に記載の基板ホルダ。
- パターニングデバイスによってパターニングされたビームを基板に投影する投影システムと、
前記基板を保持する請求項1から5のいずれかに記載の基板ホルダと、
を備える、リソグラフィ装置。 - リソグラフィ装置で使用するための基板ホルダを製造する方法であって、
表面を有する本体と、前記表面から突出し、基板を支持する端面をそれぞれ有する複数のバールとを設けること、
前記本体上に第1の副層を形成し、前記第1の副層上に第2の副層を形成することにより、前記本体表面の少なくとも一部に平坦化層を形成することであって、前記第1の副層及び前記第2の副層はそれぞれ平坦化材料を含む第1の溶液及び第2の溶液を塗布することにより形成され、前記第1の溶液は前記平坦化材料の第1の濃度を有し、前記第2の溶液は前記平坦化材料の第2の濃度を有し、前記第1及び第2の濃度は異なる、ことと、
前記平坦化層上に薄膜スタックを形成すること、
を含む、方法。 - 前記平坦化層を形成する前に、前記平坦化層の形成に使用される材料の溶媒又は前駆物質を反発するよう、前記複数のバールの前記表面を選択的に処理することをさらに含む、請求項7に記載の方法。
- 前記複数のバールの前記表面の処理は、前記複数のバールに反発性材料を付与することを含む、請求項8に記載の方法。
- リソグラフィ装置で使用するための基板ホルダを製造する方法であって、
表面を有する本体と、前記表面から突出し、基板を支持する端面をそれぞれ有する複数のバールとを設けること、
前記本体表面の少なくとも一部に平坦化層を形成すること、及び
前記平坦化層上に薄膜スタックを形成すること、
を含み、
前記平坦化層を形成する前に、前記平坦化層の溶媒又は前駆物質を反発するよう、前記複数のバールを処理する工程をさらに含む、
方法。 - 前記複数のバールを処理する工程は、
前記基板ホルダの上面全体に、放射感応性材料を塗布すること、
前記複数のバール上の前記放射感応性材料を放射に露光し、現像すること、
連続層を形成するように、前記基板ホルダの上面全体に反発性材料を付与すること、
前記反発性材料が少なくとも前記複数のバールのそれぞれを完全に覆うように、残りの前記放射感応性材料をその上の前記反発性材料とともに除去すること、
を含む、請求項10に記載の方法。 - 前記複数のバールを処理する工程は、前記複数のバールに反発性材料を付与するためにインクジェットプリンタを使用する、又は前記反発性材料として疎水性ステッカを使用する、
請求項10又は11に記載の方法。 - リソグラフィ装置を使用するデバイス製造方法であって、
請求項7〜12のいずれかに記載の方法を使用して基板を保持するための基板ホルダを提供する工程と、
前記基板ホルダにおいて前記基板を保持した状態で、パターニングデバイスによりパターン化されたビームを前記基板に投影する工程と、
を有するデバイス製造方法。
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