JP7199531B2 - 極紫外線マスク吸収体用のta‐cu合金 - Google Patents
極紫外線マスク吸収体用のta‐cu合金 Download PDFInfo
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- JP7199531B2 JP7199531B2 JP2021522339A JP2021522339A JP7199531B2 JP 7199531 B2 JP7199531 B2 JP 7199531B2 JP 2021522339 A JP2021522339 A JP 2021522339A JP 2021522339 A JP2021522339 A JP 2021522339A JP 7199531 B2 JP7199531 B2 JP 7199531B2
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- tantalum
- copper
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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
- G03F1/54—Absorbers, e.g. of opaque materials
- G03F1/58—Absorbers, e.g. of opaque materials having two or more different absorber layers, e.g. stacked multilayer absorbers
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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
- G03F1/22—Masks or mask blanks for imaging by radiation of 100nm or shorter wavelength, e.g. X-ray masks, extreme ultraviolet [EUV] masks; Preparation thereof
-
- 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
- G03F1/52—Reflectors
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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
- G03F1/54—Absorbers, e.g. of opaque materials
-
- 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
- G03F7/16—Coating processes; Apparatus therefor
- G03F7/168—Finishing the coated layer, e.g. drying, baking, soaking
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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
- G03F7/70008—Production of exposure light, i.e. light sources
- G03F7/70033—Production of exposure light, i.e. light sources by plasma extreme ultraviolet [EUV] sources
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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
- G03F7/70058—Mask illumination systems
- G03F7/7015—Details of optical elements
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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
- G03F7/70216—Mask projection systems
- G03F7/70233—Optical aspects of catoptric systems, i.e. comprising only reflective elements, e.g. extreme ultraviolet [EUV] projection systems
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Description
Claims (13)
- 基板、
前記基板上の反射層の多層積層体であって、反射層対を含む複数の反射層を含む反射層の多層積層体、
前記反射層の多層積層体上のキャッピング層、及び
タンタルと銅との合金を含む吸収体層を含み、
TiNを含む第2の吸収体層を更に含む、極紫外線(EUV)マスクブランク。 - 前記タンタルと銅との合金が、50から85重量%のタンタルと15から50重量%の銅、又は60.5から72.7重量%のタンタルと27.3から39.5重量%の銅とを含む、タンタルに富む合金である、請求項1に記載の極紫外線(EUV)マスクブランク。
- 前記タンタルと銅との合金が、65から95重量%の銅と5から35重量%のタンタル、又は80.7から83.3重量%の銅と27.3から39.5重量%のタンタルとを含む、銅に富む合金である、請求項1に記載の極紫外線(EUV)マスクブランク。
- 前記吸収体層が、45nm未満の厚さを有する、請求項1に記載の極紫外線(EUV)マスクブランク。
- 前記吸収体層が、2%未満の反射率を有し、前記キャッピング層に対してエッチング選択性である、請求項1に記載の極紫外線(EUV)マスクブランク。
- 前記吸収体層が、窒素又は酸素のうちの1以上から選択された、0.1重量%から5重量%のドーパントを更に含む、請求項1に記載の極紫外線(EUV)マスクブランク。
- 前記第2の吸収体層が1nmから20nmの厚さである、請求項1に記載の極紫外線(EUV)マスクブランク。
- 極紫外線(EUV)マスクブランクを製造する方法であって、
基板を提供すること、
前記基板上に反射層の多層積層体であって、複数の反射層対を含む反射層の多層積層体を形成すること、
前記反射層の多層積層体上にキャッピング層を形成すること、及び
前記キャッピング層上に吸収体層であって、タンタルと銅との合金を含み、TiNを含む第2の吸収体層を更に含む吸収体層を形成することを含む、方法。 - 前記タンタルと銅との合金が、50から85重量%のタンタルと15から50重量%の銅、又は60.5から72.7重量%のタンタルと27.3から39.5重量%の銅とを含む、タンタルに富む合金である、請求項8に記載の方法。
- 前記タンタルと銅との合金が、65から95重量%の銅と5から35重量%のタンタル、又は80.7から83.3重量%の銅と27.3から39.5重量%のタンタルとを含む、銅に富む合金である、請求項8に記載の方法。
- 前記タンタルと銅との合金が、アルゴン(Ar)、酸素(O2)、又は窒素(N2)のうちの1以上から選択されたガスによって同時スパッタリングされて、前記吸収体層を形成する、請求項8に記載の方法。
- 前記タンタルと銅との合金が、前記タンタルと銅との合金と同じ組成を有するバルクターゲットを使用して堆積され、アルゴン(Ar)、酸素(O2)、又は窒素(N2)のうちの1以上から選択されたガスを使用してスパッタリングされて、前記吸収体層を形成する、請求項8に記載の方法。
- 前記第2の吸収体層が1nmから20nmの厚さである、請求項8に記載の方法。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862750915P | 2018-10-26 | 2018-10-26 | |
| US62/750,915 | 2018-10-26 | ||
| US16/662,753 | 2019-10-24 | ||
| US16/662,753 US11209727B2 (en) | 2018-10-26 | 2019-10-24 | Ta—Cu alloy material for extreme ultraviolet mask absorber |
| PCT/US2019/058013 WO2020086933A1 (en) | 2018-10-26 | 2019-10-25 | Ta-cu alloy material for extreme ultraviolet mask absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022505694A JP2022505694A (ja) | 2022-01-14 |
| JP7199531B2 true JP7199531B2 (ja) | 2023-01-05 |
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ID=70326635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021522339A Active JP7199531B2 (ja) | 2018-10-26 | 2019-10-25 | 極紫外線マスク吸収体用のta‐cu合金 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11209727B2 (ja) |
| JP (1) | JP7199531B2 (ja) |
| KR (1) | KR102647715B1 (ja) |
| SG (1) | SG11202103169RA (ja) |
| TW (1) | TW202026770A (ja) |
| WO (1) | WO2020086933A1 (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI774375B (zh) | 2016-07-27 | 2022-08-11 | 美商應用材料股份有限公司 | 具多層吸收劑的極紫外遮罩坯料及製造方法 |
| BR112021001420A2 (pt) | 2018-07-27 | 2021-05-04 | Research Development Foundation | polipeptídeos imunogênicos quiméricos |
| TW202141165A (zh) | 2020-03-27 | 2021-11-01 | 美商應用材料股份有限公司 | 極紫外光遮罩吸收材料 |
| US11300871B2 (en) * | 2020-04-29 | 2022-04-12 | Applied Materials, Inc. | Extreme ultraviolet mask absorber materials |
| TW202202641A (zh) | 2020-07-13 | 2022-01-16 | 美商應用材料股份有限公司 | 極紫外線遮罩吸收劑材料 |
| US11852965B2 (en) | 2020-10-30 | 2023-12-26 | Taiwan Semiconductor Manufacturing Co., Ltd. | Extreme ultraviolet mask with tantalum base alloy absorber |
| US20220350233A1 (en) * | 2021-05-03 | 2022-11-03 | Applied Materials, Inc. | Extreme ultraviolet mask absorber materials |
| US12353120B2 (en) * | 2021-07-30 | 2025-07-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | EUV photo masks and manufacturing method thereof |
| US12226468B2 (en) | 2023-06-26 | 2025-02-18 | Research Development Foundation | Immunoreactive peptides |
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- 2019-10-25 WO PCT/US2019/058013 patent/WO2020086933A1/en not_active Ceased
- 2019-10-25 JP JP2021522339A patent/JP7199531B2/ja active Active
- 2019-10-25 SG SG11202103169RA patent/SG11202103169RA/en unknown
- 2019-10-25 KR KR1020217015639A patent/KR102647715B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| US11209727B2 (en) | 2021-12-28 |
| US20200133111A1 (en) | 2020-04-30 |
| KR102647715B1 (ko) | 2024-03-13 |
| SG11202103169RA (en) | 2021-05-28 |
| TW202026770A (zh) | 2020-07-16 |
| JP2022505694A (ja) | 2022-01-14 |
| WO2020086933A1 (en) | 2020-04-30 |
| KR20210066015A (ko) | 2021-06-04 |
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