JP6448480B2 - 多光子露光システム - Google Patents
多光子露光システム Download PDFInfo
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- JP6448480B2 JP6448480B2 JP2015125264A JP2015125264A JP6448480B2 JP 6448480 B2 JP6448480 B2 JP 6448480B2 JP 2015125264 A JP2015125264 A JP 2015125264A JP 2015125264 A JP2015125264 A JP 2015125264A JP 6448480 B2 JP6448480 B2 JP 6448480B2
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Images
Classifications
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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
- 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
- G03F7/20—Exposure; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
- B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
-
- 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
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2051—Exposure without an original mask, e.g. using a programmed deflection of a point source, by scanning, by drawing with a light beam, using an addressed light or corpuscular source
- G03F7/2053—Exposure without an original mask, e.g. using a programmed deflection of a point source, by scanning, by drawing with a light beam, using an addressed light or corpuscular source using a laser
-
- 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
- G03F7/70375—Multiphoton lithography or multiphoton photopolymerization; Imaging systems comprising means for converting one type of radiation into another type of radiation
-
- 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
- G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
- G03F7/70491—Information management, e.g. software; Active and passive control, e.g. details of controlling exposure processes or exposure tool monitoring processes
- G03F7/70525—Controlling normal operating mode, e.g. matching different apparatus, remote control or prediction of failure
-
- 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
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/7085—Detection arrangement, e.g. detectors of apparatus alignment possibly mounted on wafers, exposure dose, photo-cleaning flux, stray light, thermal load
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Mechanical Engineering (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Laser Beam Processing (AREA)
- Polymerisation Methods In General (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Description
〔態様1〕
露光システムであって、
ビームを光軸に沿って放射する光源であって、該ビームは樹脂中に多光子反応を誘起することができる、光源と、
多光子反応を受ける樹脂と、
パワー、パルス長、形状、発散、又は前記光軸に垂直な面内の位置から選択される前記ビームの少なくとも1つの性質を測定するモニターであって、該モニターは前記ビームの前記性質を表示する少なくとも1つの信号を生成するモニター及び
該モニターからの該信号に応答して前記ビームを調整するサブシステムを備える自動化システムと、
を備える、露光システム。
〔態様2〕
前記樹脂が、前記ビームの波長に対して実質的に透明である、態様1に記載の露光システム。
〔態様3〕
前記モニターが、第1のモニター及び第2のモニターを備える、態様1に記載の露光システム。
〔態様4〕
前記モニターが、前記ビームの形状及び発散の少なくとも1つをモニターする発散モニターを備える、態様1に記載の露光システム。
〔態様5〕
前記モニターが、前記光軸に垂直な面内の前記ビームの前記位置を検出し、前記光軸に沿った前記ビームの焦点の位置も検出するモニターシステムを備える、態様1に記載の露光システム。
〔態様6〕
前記サブシステムが制御装置を備える、態様1に記載の露光システム。
〔態様7〕
前記サブシステムがビーム走査モジュールを備える、態様1に記載の露光システム。
〔態様8〕
前記ビーム走査モジュールが、少なくとも1つの圧電駆動ミラーを備える、態様7に記載の露光システム。
〔態様9〕
前記サブシステムが発散変調システムを備える、態様1に記載の露光システム。
〔態様10〕
前記発散変調システムが圧電素子を備える、態様9に記載の露光システム。
〔態様11〕
前記発散変調システムが、それぞれが光学パワーを有する少なくとも2つの要素を備える態様9に記載の露光システム。
〔態様12〕
前記サブシステムがパワー制御システムを備える、態様1に記載の露光システム。
〔態様13〕
前記サブシステムが高速シャッターを備える、態様1に記載の露光システム。
〔態様14〕
前記高速シャッターがポッケルスセルを備える、態様13に記載の露光システム。
〔態様15〕
前記ビームの特性を較正するための第2のシャッターを更に備え、該第2のシャッターが前記高速シャッターよりも遅い、態様13に記載の露光システム。
〔態様16〕
前記サブシステムが、少なくとも1つのガルバノメーターを搭載したミラーを含むガルバノメーターシステムを備える、態様1に記載の露光システム。
〔態様17〕
前記樹脂内の位置で前記ビームを集束するための対物レンズを更に備える、態様1に記載の露光システム。
〔態様18〕
前記樹脂を保持及び位置決めし、並びに前記樹脂に対する温度及び振動の少なくとも1つの影響を低減するための試料保持システムを更に備える、態様1に記載の露光システム。
〔態様19〕
前記ビームが、多光子吸収プロセスにより前記樹脂中に重合を誘起する、態様1に記載の露光システム。
〔態様20〕
前記ビームが約400〜2000nmの範囲の波長を含む、態様1に記載の露光システム。
〔態様21〕
前記ビームが約500〜1000nmの範囲の波長を含む、態様1に記載の露光システム。
〔態様22〕
前記ビームが約750nm〜約850nmの範囲の波長を含む、態様1に記載の露光システム。
〔態様23〕
前記ビームが約10ns未満のパルス幅を含む、態様1に記載の露光システム。
〔態様24〕
前記ビームが約10ps未満のパルス幅を含む、態様1に記載の露光システム。
〔態様25〕
前記ビームが約100fs未満のパルス幅を含む、態様1に記載の露光システム。
〔態様26〕
露光システムであって、
ビームを光軸に沿って放射する光源であって、該ビームは樹脂中に多光子反応を誘起することができる、光源と、
多光子反応を受ける樹脂と、
前記樹脂内のボクセル形状をモニターし、前記ボクセル形状を表示する信号を生成し、前記信号に応答して前記ビームを調整する自動化システムと、
を備える、露光システム。
〔態様27〕
露光システムであって、
ビームを光軸に沿って放射する光源であって、該ビームは樹脂中に多光子反応を誘起することができる光源と、
多光子反応を受ける樹脂と、
前記樹脂内のボクセル形状をモニターする手段及び
該モニター手段からの信号に応答して前記ビームを調整する手段を備える自動化システムと、
を備える、露光システム。
〔態様28〕
露光システムであって、
ビームを光軸に沿って実質的に第1の波長で放射する光源であって、該ビームは前記第1の波長で実質的に光学的に透明である樹脂中に重合を誘起する光源と、
第1のビームモニターシステムであって、該第1のモニターシステムは、前記ビームの第1の特性をモニターして第1の信号を生成し、前記第1の特性は、前記ビームの前記光軸に垂直な面内の前記ビームのパワー、形状、及び位置の少なくとも1つを含む第1のビームモニターシステムと、
前記ビームの発散をモニターする第1の発散モニターシステムと、
前記ビームの発散及び形状の少なくとも1つを調整する第1の発散変調システムと、
第1の速度で前記ビームのパワーを調整する第1のパワー制御システムと、
第2のモニターシステムであって、該第2のモニターシステムは、前記ビームの前記第1の特性をモニターし、第2の信号を生成し、前記第1及び第2の信号は前記第1の特性の調整に使用される、第2のモニターシステムと、
前記樹脂の露光を制御するために前記ビームを透過させる又は阻止する第1のシャッターと、
前記光軸に沿った前記ビームの焦点の位置をモニターする第3のモニターシステムと、
前記ビームの発散及び形状の少なくとも1つを調整する第2の発散変調システムと、
前記第1の速度より大きくない第2の速度で前記ビームを走査する第1のガルバノメーターシステムであって、前記走査は前記光軸に実質的に垂直な第1の方向に沿ったものである、第1のガルバノメーターシステムと、
前記第1の速度より大きくない第3の速度で前記ビームを走査する第2のガルバノメーターシステムであって、前記走査は前記光軸に実質的に垂直であり、前記第1の方向とは異なる第2の方向に沿ったものである、第2のガルバノメーターシステムと、
前記樹脂内の位置で前記ビームを集束するための対物レンズシステムと、
前記樹脂を保持及び位置決めし、並びに前記樹脂に対する温度及び振動の少なくとも1つの影響を低減するための試料保持システムと、
を備える、露光システム。
〔態様29〕
前記ビームが、二光子吸収プロセスにより前記樹脂中に重合を誘起する、態様26に記載の露光システム。
〔態様30〕
前記第1の波長が約750nm〜約850nmの範囲にあり、前記ビームのパルス幅が約100フェムト秒未満である、態様28に記載の露光システム。
〔態様31〕
前記第1の発散変調システムが、それぞれが光学パワーを有する少なくとも2つの要素を備える態様28に記載の露光システム。
〔態様32〕
前記ビームの前記第1の特性を較正するための第2のシャッターを更に備え、前記第2のシャッターが前記第1のシャッターよりも遅い、態様28に記載の露光システム。
〔態様33〕
前記第2の発散変調システムが圧電素子を備える、態様28に記載の露光システム。
〔態様34〕
前記ビームの分散を少なくとも部分的に補償する第1の分散システムを更に備える、態様28に記載の露光システム。
〔態様35〕
前記第1のシャッターがポッケルスセルを備える、態様28に記載の露光システム。
Claims (2)
- 露光システムであって、
ビームを光軸に沿って放射する光源であって、該ビームは樹脂中に多光子反応を誘起することができる、光源と、
多光子反応を受ける樹脂と、
自動化システムであって、
パルス長、形状、又は発散から選択される前記ビームの少なくとも1つの性質を測定すると共に前記光軸に垂直な面内の前記ビームの焦点の位置を検出し、前記光軸に沿った前記ビームの焦点の位置を検出するモニターであって、該モニターは前記ビームの前記性質を表示する少なくとも1つの信号を生成するモニターと、
該モニターからの該信号に応答して前記ビームを調整するサブシステムであって、該ビームのパワーを制御するパワー制御システムと、ビームの焦点の位置を測定する位置センシング検出器及び前記モニターから受けた前記ビームの焦点の位置情報に基づいて前記光軸に垂直な面内で前記ビームの焦点を再位置決めするように構成されたビーム走査モジュールと、を含むサブシステムと、
を備える自動化システムと、
を備える、露光システム。 - 前記モニターが、更に、前記ビームのパワーを測定する、請求項1に記載の露光システム。
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JP2011514556A (ja) | 2011-05-06 |
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US8885146B2 (en) | 2014-11-11 |
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EP2257854A2 (en) | 2010-12-08 |
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JP5801558B2 (ja) | 2015-10-28 |
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CN101960385A (zh) | 2011-01-26 |
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