JP2018092155A - フォトマスク用ペリクル、それを含むレチクル、及びリソグラフィ用露光装置 - Google Patents
フォトマスク用ペリクル、それを含むレチクル、及びリソグラフィ用露光装置 Download PDFInfo
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- JP2018092155A JP2018092155A JP2017222531A JP2017222531A JP2018092155A JP 2018092155 A JP2018092155 A JP 2018092155A JP 2017222531 A JP2017222531 A JP 2017222531A JP 2017222531 A JP2017222531 A JP 2017222531A JP 2018092155 A JP2018092155 A JP 2018092155A
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- pellicle
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- 238000001459 lithography Methods 0.000 title claims abstract description 43
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- 229910021389 graphene Inorganic materials 0.000 claims abstract description 238
- 230000007547 defect Effects 0.000 claims abstract description 44
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 41
- 239000013078 crystal Substances 0.000 claims abstract description 41
- 125000004429 atom Chemical group 0.000 claims abstract description 24
- 125000003118 aryl group Chemical group 0.000 claims abstract description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 58
- 239000011241 protective layer Substances 0.000 claims description 42
- 229910052751 metal Inorganic materials 0.000 claims description 40
- 239000002184 metal Substances 0.000 claims description 40
- 230000003287 optical effect Effects 0.000 claims description 40
- 239000000758 substrate Substances 0.000 claims description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- 238000002834 transmittance Methods 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 15
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 14
- 150000004770 chalcogenides Chemical class 0.000 claims description 12
- 239000012790 adhesive layer Substances 0.000 claims description 10
- 238000001237 Raman spectrum Methods 0.000 claims description 9
- 229910003481 amorphous carbon Inorganic materials 0.000 claims description 9
- 239000003575 carbonaceous material Substances 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- 238000002441 X-ray diffraction Methods 0.000 claims description 8
- 229910044991 metal oxide Inorganic materials 0.000 claims description 7
- 150000004706 metal oxides Chemical class 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 230000003746 surface roughness Effects 0.000 claims description 6
- 238000001900 extreme ultraviolet lithography Methods 0.000 claims description 5
- 229910052735 hafnium Inorganic materials 0.000 claims description 5
- 239000011229 interlayer Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- 229910052732 germanium Inorganic materials 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052580 B4C Inorganic materials 0.000 claims description 3
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 229910052798 chalcogen Inorganic materials 0.000 claims description 3
- 150000001787 chalcogens Chemical class 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- 229910052745 lead Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000002135 nanosheet Substances 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052702 rhenium Inorganic materials 0.000 claims description 3
- 229910052711 selenium Inorganic materials 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- 229910052713 technetium Inorganic materials 0.000 claims description 3
- 229910052714 tellurium Inorganic materials 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052723 transition metal Inorganic materials 0.000 claims description 3
- 150000003624 transition metals Chemical class 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 8
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract description 5
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- 125000004432 carbon atom Chemical group C* 0.000 description 11
- 239000003054 catalyst Substances 0.000 description 9
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- 102100037224 Noncompact myelin-associated protein Human genes 0.000 description 6
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- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000005019 vapor deposition process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005137 deposition process Methods 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 101150027645 SUB10 gene Proteins 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
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- 239000000411 inducer Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
- 229910020776 SixNy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
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- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000001027 hydrothermal synthesis Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000002055 nanoplate Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
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
- G03F1/62—Pellicles, e.g. pellicle assemblies, e.g. having membrane on support frame; Preparation thereof
- G03F1/64—Pellicles, e.g. pellicle assemblies, e.g. having membrane on support frame; Preparation thereof characterised by the frames, e.g. structure or material, including bonding means 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
- 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
- G03F1/62—Pellicles, e.g. pellicle assemblies, e.g. having membrane on support frame; 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
- 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
- G03F7/0035—Multiple processes, e.g. applying a further resist layer on an already in a previously step, processed pattern or textured surface
-
- 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
-
- 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
-
- 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
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02491—Conductive materials
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02527—Carbon, e.g. diamond-like carbon
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02595—Microstructure polycrystalline
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- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02601—Nanoparticles
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- 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
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0657—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape of the body
- H01L29/0665—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape of the body the shape of the body defining a nanostructure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
- H01L29/1606—Graphene
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Ceramic Engineering (AREA)
- Plasma & Fusion (AREA)
- Inorganic Chemistry (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Toxicology (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Packaging Frangible Articles (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
Description
M10〜M13 ペリクル膜
F10 ペリクルフレーム
NG1,NG11,NG12 ナノ結晶グラフェン
G1,G11,G12 結晶粒
PL10,PL11,PL20,PL22 保護層
B10 接着層
UL1 下部層
R100,R100a,R100b レチクル
PM10,PM10a,PM10b フォトマスク
MS10,MS10a,MS10b マスク基板
MP10,MP10a,MP10b マスクパターン
P100,P100a,P100b ペリクル
LU10 レンズ部
RL10 レジスト層
D1 異物質
S100,S110 第1光学系
S200,S210 第2光学系
S150 光学系
SUB10,SUB100 基板
Claims (29)
- フォトマスクを保護するためのフォトマスク用ペリクルであって、
欠陥を有するナノ結晶グラフェンを具備するペリクル膜を含むフォトマスク用ペリクル。 - 前記ナノ結晶グラフェンは、ナノスケールの複数の結晶粒を含み、前記複数の結晶粒は、芳香族環構造を有する二次元炭素構造体を含むことを特徴とする請求項1に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンの欠陥は、sp3炭素(C)原子、酸素(O)原子、窒素(N)原子及び炭素空孔のうち少なくとも一つを含むことを特徴とする請求項1又は2に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンのラマンスペクトルにおいて、D/G強度比は、0.5以上であることを特徴とする請求項1ないし3のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンのラマンスペクトルにおいて、2D/G強度比は、0.05以上であることを特徴とする請求項1ないし4のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンの酸素(O)含有量は、1at%以上であり、20at%以下であることを特徴とする請求項1ないし5のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンの水素(H)含有量は、1at%以上であり、20at%以下であることを特徴とする請求項1ないし6のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンの窒素(N)含有量は、1at%以上であり、20at%以下であることを特徴とする請求項1ないし7のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンは、C軸方向に、非規則的格子構造を有することを特徴とする請求項1ないし8のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンの密度は、2.2g/cm3より低いことを特徴とする請求項1ないし9のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンのX線回折分析から得られる層間間隔(d−spacing)は、3.35Åより広いことを特徴とする請求項1ないし10のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ナノ結晶グラフェンの表面粗度は、10nmより低いことを特徴とする請求項1ないし11のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ペリクル膜は、100nm以下の厚みを有することを特徴とする請求項1ないし12のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ペリクル膜は、極紫外線(EUV)に対して、80%以上の透過度を有することを特徴とする請求項1ないし13のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ペリクル膜は、前記ナノ結晶グラフェンの少なくとも一面に具備された保護層をさらに含むことを特徴とする請求項1ないし14のいずれか一項に記載のフォトマスク用ペリクル。
- 前記保護層は、炭素系(carbon−based)物質、金属カルコゲナイド系(metal chalcogenide−based)物質、シリコン誘導体及び金属酸化物のうち少なくとも一つを含むことを特徴とする請求項15に記載のフォトマスク用ペリクル。
- 前記炭素系物質は、非晶質炭素(amorphous carbon)、グラフェン、ナノグラファイト(nano−graphite)、炭素ナノシート(carbon nanosheet)、炭素ナノチューブ(carbon nanotube)、シリコンカーバイド(SiC)及びボロンカーバイド(B4C)のうち少なくとも一つを含むことを特徴とする請求項16に記載のフォトマスク用ペリクル。
- 前記金属カルコゲナイド系物質は、遷移金属ジカルコゲナイド(transition metal dichalcogenide)(TMD)を含むことを特徴とする請求項16に記載のフォトマスク用ペリクル。
- 前記金属カルコゲナイド系物質は、Mo、W、Nb、V、Ta、Ti、Zr、Hf、Tc、Re、Cu、Ga、In、Sn、Ge及びPbから構成されたグループのうちから選択された1つの金属元素と、S、Se及びTeから構成されたグループのうちから選択された1つのカルコゲン元素と、を含むことを特徴とする請求項16に記載のフォトマスク用ペリクル。
- 前記ペリクル膜のエッジ部分に設けられ、前記ペリクル膜を支持するペリクルフレームをさらに含むことを特徴とする請求項1ないし19のいずれか一項に記載のフォトマスク用ペリクル。
- 前記ペリクル膜と前記ペリクルフレームとの間に具備された接着層をさらに含むことを特徴とする請求項20に記載のフォトマスク用ペリクル。
- フォトマスクと、
前記フォトマスクを保護するため、請求項1ないし21のうちいずれか1項に記載のフォトマスク用ペリクルと、
を含むレチクル。 - 前記ペリクル膜は、前記フォトマスクから1〜10mm離隔して配置されたことを特徴とする請求項22に記載のレチクル。
- 透過型であることを特徴とする請求項22に記載のレチクル。
- 反射型であることを特徴とする請求項22に記載のレチクル。
- 極紫外線(EUV)リソグラフィ用レチクルであることを特徴とする請求項22に記載のレチクル。
- 光を発する光源と、
前記光源で発せられた光の進行経路に設けられたレチクルと、
を含み、前記レチクルは、
所定基板に転写しようとするパターンを有するフォトマスクと、
前記フォトマスクを保護するためのものであり、請求項1ないし21のうちいずれか1項に記載のフォトマスク用ペリクルと、
を含むリソグラフィ用露光装置。 - 前記光源と前記レチクルとの間、及び前記レチクルと前記基板との間のうち少なくとも一つに具備された少なくとも1つの光学部材をさらに含むことを特徴とする請求項27に記載のリソグラフィ用露光装置。
- 極紫外線(EUV)露光装置であることを特徴とする請求項27に記載のリソグラフィ用露光装置。
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