JP6526575B2 - リソグラフィ装置及び方法 - Google Patents
リソグラフィ装置及び方法 Download PDFInfo
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- JP6526575B2 JP6526575B2 JP2015556477A JP2015556477A JP6526575B2 JP 6526575 B2 JP6526575 B2 JP 6526575B2 JP 2015556477 A JP2015556477 A JP 2015556477A JP 2015556477 A JP2015556477 A JP 2015556477A JP 6526575 B2 JP6526575 B2 JP 6526575B2
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- 238000000034 method Methods 0.000 title claims description 26
- 239000000758 substrate Substances 0.000 claims description 171
- 229910052878 cordierite Inorganic materials 0.000 claims description 46
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 claims description 46
- 238000001816 cooling Methods 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 36
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 229910052710 silicon Inorganic materials 0.000 claims description 13
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims 2
- 239000010410 layer Substances 0.000 description 92
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
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- 238000004519 manufacturing process Methods 0.000 description 6
- 229910052718 tin Inorganic materials 0.000 description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 5
- 238000005498 polishing Methods 0.000 description 5
- -1 Li vapor Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
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- 230000008901 benefit Effects 0.000 description 4
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- 230000015572 biosynthetic process Effects 0.000 description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
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- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
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- 230000010363 phase shift Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
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- 239000010409 thin film Substances 0.000 description 2
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- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000005679 Peltier effect Effects 0.000 description 1
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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
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/70858—Environment aspects, e.g. pressure of beam-path gas, temperature
- G03F7/70866—Environment aspects, e.g. pressure of beam-path gas, temperature of mask or workpiece
- G03F7/70875—Temperature, e.g. temperature control of masks or workpieces via control of stage temperature
-
- 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
- G03F7/70708—Chucks, e.g. chucking or un-chucking operations or structural details being electrostatic; Electrostatically deformable vacuum chucks
-
- 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
- G03F7/7095—Materials, e.g. materials for housing, stage or other support having particular properties, e.g. weight, strength, conductivity, thermal expansion coefficient
-
- 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
- G03F7/70975—Assembly, maintenance, transport or storage of apparatus
-
- 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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67109—Apparatus for thermal treatment mainly by convection
-
- 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
- H01L21/683—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 supporting or gripping
- H01L21/6831—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 supporting or gripping using electrostatic chucks
-
- 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
- H01L21/683—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 supporting or gripping
- H01L21/687—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 supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—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 supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/6875—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 supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a plurality of individual support members, e.g. support posts or protrusions
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Toxicology (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Description
[0001] 本出願は、2013年2月7日出願の米国仮出願第61/762,047号の利益を主張し、その全体が参照によって本明細書に組み込まれる。
[0061] 図3は、一実施形態によるリソグラフィ装置の一部の断面図を示す。具体的には、図3は、クランプ310に結合されたレチクル300を示す。クランプ310は、チャック320に結合(例えば接合)されている。上述のように、レチクルは、入射する放射ビームにパターンを付与するデバイスである。例えば、レチクル300はパターニングされた反射性表面を含むことができる(例えばアレイ状に配列された複数のミラーであり、それらの状態を制御することで入射ビームに付与するパターンを決定することができる)(図3において、入射する放射ビームは矢印350を用いて示している)。
[0096] コーディエライトは、マグネシウム及び鉄ベースの結晶である。これは、クランプの作成に用いられる多くの材料よりも熱伝導率が高く、剛性も比較的高い。更に、コーディエライトは、室温において又は室温付近で実質的にゼロ熱膨張を示す。
Claims (22)
- レチクルを解放可能に保持する静電クランプを備えるリソグラフィ装置であって、
前記静電クランプは、
対向する第1及び第2の表面を有する第1の基板と、
前記第1の表面上に位置し前記レチクルに接触する複数の突起と、
対向する第1及び第2の表面を有する第2の基板であって、前記第2の基板の前記第1の表面が前記第1の基板の前記第2の表面に結合されている、第2の基板と、
前記第2の基板の前記第1の表面と前記第1の基板の前記第2の表面との間に位置し、前記第1の基板の前記第2の表面から前記第2の基板の前記第1の表面へと電子を移動させる複数の冷却要素であって、前記複数の冷却要素の1つ以上が各突起と実質的に位置合わせされている、複数の冷却要素と、
を備える、リソグラフィ装置。 - 前記第2の基板の前記第2の表面に結合され、前記複数の冷却要素のためのヒートシンクとして作用するチャックを更に備える、請求項1に記載のリソグラフィ装置。
- 前記チャックは、冷却剤の循環を行う複数の冷却チャネルを備える、請求項2に記載のリソグラフィ装置。
- 前記複数の冷却要素は、複数の熱トンネリング冷却(TTC)要素又は複数の熱電冷却要素(TEC)のいずれかを備え、それらの各々が前記基板の前記第2の表面から離れる方向に電流を流す、請求項1に記載のリソグラフィ装置。
- 前記複数のTECの各々は、前記第2の基板の前記第1の表面に結合されたはんだバンプを備える、請求項4に記載のリソグラフィ装置。
- 前記複数のTECの各々は、前記第1の基板の前記第2の表面に結合されると共に各はんだバンプにつながる支柱を更に備える、請求項5に記載のリソグラフィ装置。
- 前記第2の基板の前記第1の表面上に配置されたシリコン層を更に備える、請求項4に記載のリソグラフィ装置。
- 前記複数のTECは、熱電膜に含まれている、請求項4に記載のリソグラフィ装置。
- 前記第1及び第2の基板の少なくとも一方は、熱伝導性材料で覆われた実質的にゼロ熱膨張材料を含む、請求項4に記載のリソグラフィ装置。
- 前記静電クランプは、コーディエライトを含む、請求項1に記載のリソグラフィ装置。
- 前記複数のTTC要素の各々は、第1及び第2の金属プレートを備え、
前記第1の金属プレートが前記第1の基板の前記第2の表面に結合され、前記第2の金属プレートが前記第2の基板の前記第1の表面に結合されている、請求項4に記載のリソグラフィ装置。 - 前記複数のTTC要素の各々は、前記第1及び第2のプレート間に位置すると共に前記第1及び第2のプレート間の距離を維持するスペーサを更に備える、請求項11に記載のリソグラフィ装置。
- 前記複数のTEC要素の各々を流れる電流を制御するコントローラを更に備える、請求項1に記載のリソグラフィ装置。
- 前記コントローラは、前記複数のTECの各々を個別に制御する、請求項13に記載のリソグラフィ装置。
- 対向する第1及び第2の表面を有する第1の基板と、
前記第1の表面上に位置し前記レチクルに接触する複数の突起と、
対向する第1及び第2の表面を有する第2の基板であって、前記第2の基板の前記第1の表面が前記第1の基板の前記第2の表面に結合されている、第2の基板と、
前記第2の基板の前記第1の表面と前記第1の基板の前記第2の表面との間に位置し、前記第1の基板の前記第2の表面から前記第2の基板の前記第1の表面へと電子を伝達する複数の冷却要素であって、前記複数の冷却要素の1つ以上が各突起と実質的に位置合わせされている、複数の冷却要素と、
を備える、静電クランプ。 - リソグラフィ装置においてレチクルを解放可能に保持する静電クランプであって、
対向する第1及び第2の表面を有する第1の基板であって、前記第1の基板の前記第2の表面が熱拡散材料の第1のコーティングを有する、第1の基板と、
対向する第1及び第2の表面を有する第2の基板であって、前記第2の基板の前記第1の表面が熱拡散材料の第2のコーティングを有すると共に前記第1の基板の前記第2の表面に結合されている、第2の基板と、
前記第2の基板の前記第1の表面と前記第1の基板の前記第2の表面との間に位置し、前記第1の基板の前記第2の表面から前記第2の基板の前記第1の表面へと電子を伝達する熱トンネリング冷却(TTC)要素のアレイと、
複数の突起を有し、前記第1の基板の前記第1の表面上に位置する第3の基板であって、前記複数の突起が前記レチクルに接触する、第3の基板と、
を備える、静電クランプ。 - 前記第2の基板の前記第2の表面は、チャックに光学的に接触され、
前記チャックは、冷却剤を循環させる複数のチャネルを有する、請求項16に記載の静電クランプ。 - 前記チャック並びに前記第1及び第2の基板の各々がガラスセラミック材料を含み、
前記第3の基板は、多層材料で作成されたガラスを含み、
前記ガラスセラミック材料及び前記多層材料は、ゼロ熱膨張率(CTE)材料である、請求項17に記載の静電クランプ。 - 前記第1、第2又は第3の基板の少なくとも1つは、コーディエライトを含む、請求項16に記載の静電クランプ。
- 前記熱拡散材料の第1及び第2のコーティングは、ダイヤモンド状炭素(DLC)コーティングを備える、請求項16に記載の静電クランプ。
- 前記TTC要素アレイの各TTC要素が第1及び第2の金属プレートを備え、
前記第1の金属プレートが前記第1の基板の前記第2の表面に結合され、前記第2の金属プレートが前記第2の基板の前記第1の表面に結合されている、請求項16に記載の静電クランプ。 - 前記TTC要素アレイの各TTC要素は、前記第1及び第2のプレート間に位置すると共に前記第1及び第2のプレート間の距離を維持するスペーサを更に備える、請求項21に記載の静電クランプ。
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