JP7198935B2 - 極紫外線マスク吸収体材料 - Google Patents
極紫外線マスク吸収体材料 Download PDFInfo
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- JP7198935B2 JP7198935B2 JP2021544116A JP2021544116A JP7198935B2 JP 7198935 B2 JP7198935 B2 JP 7198935B2 JP 2021544116 A JP2021544116 A JP 2021544116A JP 2021544116 A JP2021544116 A JP 2021544116A JP 7198935 B2 JP7198935 B2 JP 7198935B2
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- antimony
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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
- G03F1/24—Reflection 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
- G03F1/54—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
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Physical Vapour Deposition (AREA)
Description
Claims (10)
- 極紫外線(EUV)マスクブランクの製作方法であって、
EUV放射を反射する多層積層体を基板上に形成することであって、該多層積層体が複数の反射層ペアを含む、多層積層体を基板上に形成することと、
前記多層積層体上にキャッピング層を形成することと、
前記キャッピング層上に、テルルとゲルマニウムとアンチモンとの合金を含む吸収層を形成することと
を含み、
前記テルルとゲルマニウムとアンチモンとの合金が、約33.9重量%から約53.9重量%のテルル、約6.8重量%から約26.8重量%のゲルマニウム、及び約21.3重量%から約41.3重量%のアンチモンを含む、方法。 - 極紫外線(EUV)マスクブランクの製作方法であって、
EUV放射を反射する多層積層体を基板上に形成することであって、該多層積層体が複数の反射層ペアを含む、多層積層体を基板上に形成することと、
前記多層積層体上にキャッピング層を形成することと、
前記キャッピング層上に、テルルとゲルマニウムとアンチモンとの合金を含む吸収層を形成することと
を含み、
前記テルルとゲルマニウムとアンチモンとの合金が、約38.9重量%から約48.9重量%のテルル、約11.8重量%から約21.8重量%のゲルマニウム、及び約26.3重量%から約36.3重量%のアンチモンを含む、方法。 - 前記テルルとゲルマニウムとアンチモンとの合金が、約43.9重量%のテルル、約16.8重量%のゲルマニウム、及び約31.3重量%のアンチモンを含む、請求項1に記載の方法。
- 前記テルルとゲルマニウムとアンチモンとの合金が非晶質である、請求項2に記載の方法。
- 前記テルルとゲルマニウムとアンチモンとの合金が、3重量%から15重量%の範囲の炭素でドープされ、かつ0.1重量%から5重量%の範囲の窒素又は酸素のうちの1つ又は複数でドープされる、請求項1に記載の方法。
- 前記テルルとゲルマニウムとアンチモンとの合金が、5重量%から10重量%の範囲の炭素でドープされ、かつ約0.1重量%から約5重量%の範囲の窒素又は酸素のうちの1つ又は複数でドープされる、請求項2に記載の方法。
- 極紫外線(EUV)マスクブランクであって、
基板と、
EUV放射を反射する多層積層体であって、複数の反射層ペアを含む多層積層体と、
反射層の前記多層積層体上のキャッピング層と、
テルルとゲルマニウムとアンチモンとの合金を含む吸収層と
を含み、
前記テルルとゲルマニウムとアンチモンとの合金が、約33.9重量%から約53.9重量%のテルル、約6.8重量%から約26.8重量%のゲルマニウム、及び約21.3重量%から約41.3重量%のアンチモンを含む、極紫外線(EUV)マスクブランク。 - 極紫外線(EUV)マスクブランクであって、
基板と、
EUV放射を反射する多層積層体であって、複数の反射層ペアを含む多層積層体と、
反射層の前記多層積層体上のキャッピング層と、
テルルとゲルマニウムとアンチモンとの合金を含む吸収層と
を含み、
前記テルルとゲルマニウムとアンチモンとの合金が、約38.9重量%から約48.9重量%のテルル、約11.8重量%から約21.8重量%のゲルマニウム、及び約26.3重量%から約36.3重量%のアンチモンを含む、極紫外線(EUV)マスクブランク。 - 前記テルルとゲルマニウムとアンチモンとの合金が、約43.9重量%のテルル、約16.8重量%のゲルマニウム、及び約31.3重量%のアンチモンを含む、請求項7に記載の極紫外線(EUV)マスクブランク。
- 前記テルルとゲルマニウムとアンチモンとの合金が非晶質であり、前記吸収層が45nm未満の厚さを有する、請求項8に記載の極紫外線(EUV)マスクブランク。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962799290P | 2019-01-31 | 2019-01-31 | |
US62/799,290 | 2019-01-31 | ||
US16/777,198 | 2020-01-30 | ||
US16/777,198 US11249390B2 (en) | 2019-01-31 | 2020-01-30 | Extreme ultraviolet mask absorber materials |
PCT/US2020/016023 WO2020160355A1 (en) | 2019-01-31 | 2020-01-31 | Extreme ultraviolet mask absorber materials |
Publications (2)
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JP2022519036A JP2022519036A (ja) | 2022-03-18 |
JP7198935B2 true JP7198935B2 (ja) | 2023-01-04 |
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US (1) | US11249390B2 (ja) |
JP (1) | JP7198935B2 (ja) |
KR (1) | KR20210109058A (ja) |
SG (1) | SG11202107351XA (ja) |
TW (1) | TW202033828A (ja) |
WO (1) | WO2020160355A1 (ja) |
Families Citing this family (5)
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JP7409861B2 (ja) * | 2019-12-18 | 2024-01-09 | 株式会社トッパンフォトマスク | 反射型マスクブランク、反射型マスク、反射型マスクの製造方法、及び反射型マスクの修正方法 |
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 |
US12181797B2 (en) * | 2021-05-28 | 2024-12-31 | Taiwan Semiconductor Manufacturing Co., Ltd. | Extreme ultraviolet mask with alloy based absorbers |
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KR20210109058A (ko) | 2021-09-03 |
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