JP2014042056A - 極紫外線(euv)フォトマスクのエッチング方法 - Google Patents
極紫外線(euv)フォトマスクのエッチング方法 Download PDFInfo
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- 238000005530 etching Methods 0.000 title claims abstract description 63
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- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 11
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 12
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 5
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 239000012159 carrier gas Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 239000011651 chromium Substances 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 238000001900 extreme ultraviolet lithography Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910004535 TaBN Inorganic materials 0.000 description 2
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- 239000002210 silicon-based material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 229910003071 TaON Inorganic materials 0.000 description 1
- 238000001015 X-ray lithography Methods 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052810 boron oxide Inorganic materials 0.000 description 1
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- 238000001514 detection method Methods 0.000 description 1
- JKWMSGQKBLHBQQ-UHFFFAOYSA-N diboron trioxide Chemical compound O=BOB=O JKWMSGQKBLHBQQ-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- 238000003384 imaging method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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- 229910052751 metal Inorganic materials 0.000 description 1
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- 238000001127 nanoimprint lithography Methods 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
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- 239000000523 sample Substances 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 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
- 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
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Drying Of Semiconductors (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
【解決手段】一実施形態において、極紫外線フォトマスクのエッチング方法は基板と、多材料層と、キャップ層と、多層型吸収層をこの順序で備えるフォトマスクを提供し、多層型吸収層はバルク吸収層上に配置された自己マスク層を備え、自己マスク層はタンタルと酸素を含み、バルク吸収層はタンタルを含み基本的に酸素を含まない工程と、第1エッチング処理を用いて自己マスク層をエッチングする工程と、第1エッチング処理とは異なる第2エッチング処理を用いてバルク吸収層をエッチングし、バルク吸収層のエッチング速度は第2エッチング処理中の自己マスク層のエッチング速度よりも速い工程を含む。
【選択図】図2
Description
本発明の実施形態は、概して、半導体デバイスの製造で使用するフォトマスク、更に具体的には極紫外線(EUV)フォトマスクとそのエッチング方法に関する。
(関連技術の説明)
Claims (1)
- 基板と、多材料層と、キャップ層と、多層型吸収層をこの順序で備えるフォトマスクを提供する工程と、多層型吸収層はバルク吸収層上に配置された自己マスク層を備え、自己マスク層はタンタルと酸素を含み、バルク吸収層はタンタルを含み基本的に酸素を含まず、
第1エッチング処理を用いて自己マスク層をエッチングする工程と、
第1エッチング処理とは異なる第2エッチング処理を用いてバルク吸収層をエッチングする工程を含み、バルク吸収層のエッチング速度は第2エッチング処理中の自己マスク層のエッチング速度よりも大きい極紫外線フォトマスクのエッチング方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/532,280 US7771895B2 (en) | 2006-09-15 | 2006-09-15 | Method of etching extreme ultraviolet light (EUV) photomasks |
US11/532,280 | 2006-09-15 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007240122A Division JP2008072127A (ja) | 2006-09-15 | 2007-09-14 | 極紫外線(euv)フォトマスクのエッチング方法 |
Publications (1)
Publication Number | Publication Date |
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JP2014042056A true JP2014042056A (ja) | 2014-03-06 |
Family
ID=38720397
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007240122A Pending JP2008072127A (ja) | 2006-09-15 | 2007-09-14 | 極紫外線(euv)フォトマスクのエッチング方法 |
JP2013217887A Pending JP2014042056A (ja) | 2006-09-15 | 2013-10-18 | 極紫外線(euv)フォトマスクのエッチング方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007240122A Pending JP2008072127A (ja) | 2006-09-15 | 2007-09-14 | 極紫外線(euv)フォトマスクのエッチング方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7771895B2 (ja) |
EP (1) | EP1901120B1 (ja) |
JP (2) | JP2008072127A (ja) |
KR (1) | KR20080025294A (ja) |
CN (1) | CN101144973B (ja) |
TW (1) | TWI379354B (ja) |
Cited By (1)
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WO2022186004A1 (ja) * | 2021-03-02 | 2022-09-09 | Hoya株式会社 | 多層反射膜付き基板、反射型マスクブランク、反射型マスク、及び半導体装置の製造方法 |
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WO2006062099A1 (ja) * | 2004-12-10 | 2006-06-15 | Toppan Printing Co., Ltd. | 反射型フォトマスクブランク、反射型フォトマスク、及びこれを用いた半導体装置の製造方法 |
JP2006237192A (ja) * | 2005-02-24 | 2006-09-07 | Hoya Corp | 反射型マスクの製造方法 |
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DE10156366B4 (de) * | 2001-11-16 | 2007-01-11 | Infineon Technologies Ag | Reflexionsmaske und Verfahren zur Herstellung der Reflexionsmaske |
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JP2004342734A (ja) * | 2003-05-14 | 2004-12-02 | Hoya Corp | 反射型マスクブランクス及び反射型マスク |
US20050042523A1 (en) * | 2003-08-20 | 2005-02-24 | Banqiu Wu | Endpoint detection of plasma-assisted etch process |
US20060008749A1 (en) * | 2004-07-08 | 2006-01-12 | Frank Sobel | Method for manufacturing of a mask blank for EUV photolithography and mask blank |
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- 2007-09-05 TW TW096133115A patent/TWI379354B/zh active
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JP2003501681A (ja) * | 1999-05-26 | 2003-01-14 | ザ、リージェンツ、オブ、ザ、ユニバーシティ、オブ、カリフォルニア | モリブデンルテニウム/ベリリウム多層構造 |
JP2004039884A (ja) * | 2002-07-04 | 2004-02-05 | Hoya Corp | 反射型マスクブランクス及び反射型マスク並びに反射型マスクの製造方法 |
WO2006062099A1 (ja) * | 2004-12-10 | 2006-06-15 | Toppan Printing Co., Ltd. | 反射型フォトマスクブランク、反射型フォトマスク、及びこれを用いた半導体装置の製造方法 |
JP2006237192A (ja) * | 2005-02-24 | 2006-09-07 | Hoya Corp | 反射型マスクの製造方法 |
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WO2022186004A1 (ja) * | 2021-03-02 | 2022-09-09 | Hoya株式会社 | 多層反射膜付き基板、反射型マスクブランク、反射型マスク、及び半導体装置の製造方法 |
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KR20080025294A (ko) | 2008-03-20 |
US7771895B2 (en) | 2010-08-10 |
TWI379354B (en) | 2012-12-11 |
CN101144973B (zh) | 2012-08-29 |
TW200823994A (en) | 2008-06-01 |
US20080070128A1 (en) | 2008-03-20 |
EP1901120A1 (en) | 2008-03-19 |
EP1901120B1 (en) | 2012-08-15 |
JP2008072127A (ja) | 2008-03-27 |
CN101144973A (zh) | 2008-03-19 |
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