JP7495922B2 - 反射光学素子 - Google Patents
反射光学素子 Download PDFInfo
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- JP7495922B2 JP7495922B2 JP2021500715A JP2021500715A JP7495922B2 JP 7495922 B2 JP7495922 B2 JP 7495922B2 JP 2021500715 A JP2021500715 A JP 2021500715A JP 2021500715 A JP2021500715 A JP 2021500715A JP 7495922 B2 JP7495922 B2 JP 7495922B2
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- fluoride
- oxide
- aluminum
- metal
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- 230000003287 optical effect Effects 0.000 title claims description 79
- 239000010410 layer Substances 0.000 claims description 266
- 239000000758 substrate Substances 0.000 claims description 66
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 60
- 229910052751 metal Inorganic materials 0.000 claims description 52
- 239000002184 metal Substances 0.000 claims description 52
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 40
- 229910052782 aluminium Inorganic materials 0.000 claims description 38
- 229910001512 metal fluoride Inorganic materials 0.000 claims description 37
- 229910001635 magnesium fluoride Inorganic materials 0.000 claims description 36
- ORUIBWPALBXDOA-UHFFFAOYSA-L magnesium fluoride Chemical compound [F-].[F-].[Mg+2] ORUIBWPALBXDOA-UHFFFAOYSA-L 0.000 claims description 35
- 235000012239 silicon dioxide Nutrition 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 28
- 239000000377 silicon dioxide Substances 0.000 claims description 27
- 230000005684 electric field Effects 0.000 claims description 16
- 239000002346 layers by function Substances 0.000 claims description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- -1 aluminum-manganese Chemical compound 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 8
- BYMUNNMMXKDFEZ-UHFFFAOYSA-K trifluorolanthanum Chemical compound F[La](F)F BYMUNNMMXKDFEZ-UHFFFAOYSA-K 0.000 claims description 8
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 7
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Chemical compound [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 claims description 6
- 230000008033 biological extinction Effects 0.000 claims description 6
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 claims description 6
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 6
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 229910000914 Mn alloy Inorganic materials 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 239000000395 magnesium oxide Substances 0.000 claims description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 4
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- SBEQWOXEGHQIMW-UHFFFAOYSA-N silicon Chemical compound [Si].[Si] SBEQWOXEGHQIMW-UHFFFAOYSA-N 0.000 claims description 4
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 4
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims description 3
- APFWLFUGBMRXCS-UHFFFAOYSA-N 4,7-dihydroxy-3-phenylchromen-2-one Chemical compound O=C1OC2=CC(O)=CC=C2C(O)=C1C1=CC=CC=C1 APFWLFUGBMRXCS-UHFFFAOYSA-N 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 3
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 3
- 229910000676 Si alloy Inorganic materials 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims description 3
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 claims description 3
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims description 3
- 229910001632 barium fluoride Inorganic materials 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- OKOSPWNNXVDXKZ-UHFFFAOYSA-N but-3-enoyl chloride Chemical compound ClC(=O)CC=C OKOSPWNNXVDXKZ-UHFFFAOYSA-N 0.000 claims description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- QCCDYNYSHILRDG-UHFFFAOYSA-K cerium(3+);trifluoride Chemical compound [F-].[F-].[F-].[Ce+3] QCCDYNYSHILRDG-UHFFFAOYSA-K 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 229910001610 cryolite Inorganic materials 0.000 claims description 3
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 claims description 3
- 239000002241 glass-ceramic Substances 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 3
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 3
- 229910000449 hafnium oxide Inorganic materials 0.000 claims description 3
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 claims description 3
- QHEDSQMUHIMDOL-UHFFFAOYSA-J hafnium(4+);tetrafluoride Chemical compound F[Hf](F)(F)F QHEDSQMUHIMDOL-UHFFFAOYSA-J 0.000 claims description 3
- 229910052741 iridium Inorganic materials 0.000 claims description 3
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 3
- 229910003443 lutetium oxide Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- 150000001247 metal acetylides Chemical class 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 239000011733 molybdenum Substances 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 239000010955 niobium Substances 0.000 claims description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- 229910052762 osmium Inorganic materials 0.000 claims description 3
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 claims description 3
- MPARYNQUYZOBJM-UHFFFAOYSA-N oxo(oxolutetiooxy)lutetium Chemical compound O=[Lu]O[Lu]=O MPARYNQUYZOBJM-UHFFFAOYSA-N 0.000 claims description 3
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 claims description 3
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 claims description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 3
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 229910052703 rhodium Inorganic materials 0.000 claims description 3
- 239000010948 rhodium Substances 0.000 claims description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- OJIKOZJGHCVMDC-UHFFFAOYSA-K samarium(iii) fluoride Chemical compound F[Sm](F)F OJIKOZJGHCVMDC-UHFFFAOYSA-K 0.000 claims description 3
- HYXGAEYDKFCVMU-UHFFFAOYSA-N scandium oxide Chemical compound O=[Sc]O[Sc]=O HYXGAEYDKFCVMU-UHFFFAOYSA-N 0.000 claims description 3
- 239000011775 sodium fluoride Substances 0.000 claims description 3
- 235000013024 sodium fluoride Nutrition 0.000 claims description 3
- 229910052715 tantalum Inorganic materials 0.000 claims description 3
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 3
- 229910001887 tin oxide Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- FWQVINSGEXZQHB-UHFFFAOYSA-K trifluorodysprosium Chemical compound F[Dy](F)F FWQVINSGEXZQHB-UHFFFAOYSA-K 0.000 claims description 3
- QGJSAGBHFTXOTM-UHFFFAOYSA-K trifluoroerbium Chemical compound F[Er](F)F QGJSAGBHFTXOTM-UHFFFAOYSA-K 0.000 claims description 3
- HPNURIVGONRLQI-UHFFFAOYSA-K trifluoroeuropium Chemical compound F[Eu](F)F HPNURIVGONRLQI-UHFFFAOYSA-K 0.000 claims description 3
- TYIZUJNEZNBXRS-UHFFFAOYSA-K trifluorogadolinium Chemical compound F[Gd](F)F TYIZUJNEZNBXRS-UHFFFAOYSA-K 0.000 claims description 3
- XRADHEAKQRNYQQ-UHFFFAOYSA-K trifluoroneodymium Chemical compound F[Nd](F)F XRADHEAKQRNYQQ-UHFFFAOYSA-K 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims description 3
- 229940105963 yttrium fluoride Drugs 0.000 claims description 3
- RBORBHYCVONNJH-UHFFFAOYSA-K yttrium(iii) fluoride Chemical compound F[Y](F)F RBORBHYCVONNJH-UHFFFAOYSA-K 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 3
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000005855 radiation Effects 0.000 description 36
- 238000002310 reflectometry Methods 0.000 description 34
- 238000000231 atomic layer deposition Methods 0.000 description 22
- 238000000576 coating method Methods 0.000 description 19
- 239000011248 coating agent Substances 0.000 description 17
- 235000012431 wafers Nutrition 0.000 description 17
- 238000000034 method Methods 0.000 description 13
- 238000000151 deposition Methods 0.000 description 12
- 230000008021 deposition Effects 0.000 description 12
- 238000007689 inspection Methods 0.000 description 12
- 238000001459 lithography Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 8
- 239000011241 protective layer Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 6
- 229910044991 metal oxide Inorganic materials 0.000 description 6
- 238000002207 thermal evaporation Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 230000009993 protective function Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000009499 grossing Methods 0.000 description 3
- 238000000869 ion-assisted deposition Methods 0.000 description 3
- 238000001755 magnetron sputter deposition Methods 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- OFNHPGDEEMZPFG-UHFFFAOYSA-N phosphanylidynenickel Chemical compound [P].[Ni] OFNHPGDEEMZPFG-UHFFFAOYSA-N 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0891—Ultraviolet [UV] mirrors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/085—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal
- G02B5/0858—Multilayer mirrors, i.e. having two or more reflecting layers at least one of the reflecting layers comprising metal the reflecting layers comprising a single metallic layer with one or more dielectric layers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Description
2 ウェーハ検査システム
3 反射光学素子
4 反射光学素子
5 反射光学素子
6 反射光学素子
10 放射源
11 放射線
12 照明系
13 マスク
14 投影系
15 露光対象素子
20 放射源
21 放射線
22 光学系
23 検出器
25 ウェーハ
31 基板
32 基板表面
33 金属フッ化物層
35 酸化物層
37 反射面
41 基板
42 機能層
43 金属フッ化物層
45 酸化物層
47 反射面
49 金属層
51 基板
53 金属フッ化物層
55 酸化物層
57 反射面
59 金属層
61 金属フッ化物層
63、63’、63’” 金属フッ化物層
65 酸化物層
67 反射面
69 金属層
120 レンズ素子
121 ミラー
140 レンズ素子
141 レンズ素子
220 ミラー
221 ミラー
701 方法ステップ
703 方法ステップ
705 方法ステップ
801 方法ステップ
803 方法ステップ
805 方法ステップ
807 方法ステップ
1210 反射面
2210 反射面
2220 反射面
A アルミニウム層
B フッ化マグネシウム層
B’ フッ化ランタン層(蒸着)
B” フッ化ランタン層(原子層堆積)
B1 フッ化マグネシウム層
B2 フッ化マグネシウム層
C 二酸化ケイ素層
C1 二酸化ケイ素層
C2 二酸化ケイ素層
Claims (10)
- 基板及びその上の金属層を備えたVUV波長域用の反射光学素子であって、前記金属層(32、49、59)に対して前記基板とは反対側に少なくとも1つの金属フッ化物層(33、43、53)と、該金属フッ化物層に対して前記基板とは反対側に少なくとも1つの酸化物層(35、45、55)とを備えた反射光学素子において、前記金属層(32、49、59)に対して前記基板とは反対側の層(33、35、43、45、53、55)の厚さは、VUV波長域の入射主要波長の反射時に形成される定在波の電場が前記少なくとも1つの酸化物層(35、45、55)の領域で極小値を有するように選択され、前記少なくとも1つの酸化物層の厚さは、前記定在波の電場分布の周期の半分よりも小さく、前記主要波長は、VUV波長域の最小波長から前記主要波長までの前記少なくとも1つの酸化物層の材料の消衰係数の積分が、VUV波長域の前記最小波長から最大波長までの対応する積分の15%~47%であるように選択されることを特徴とする反射光学素子。
- 請求項1に記載の反射光学素子において、前記金属層(32、49、59)は、アルミニウム、アルミニウム-シリコン合金、アルミニウム-マンガン合金、アルミニウム-シリコン-マンガン合金、ロジウム、ルテニウム、パラジウム、オスミウム、イリジウム、白金、マグネシウム、又はそれらの組み合わせを含むことを特徴とする反射光学素子。
- 請求項1又は2に記載の反射光学素子において、前記金属フッ化物層(33、43、53)は、フッ化マグネシウム、フッ化アルミニウム、フッ化ナトリウム、フッ化リチウム、チオライト、クライオライト、フッ化エルビウム、フッ化ネオジム、フッ化ガドリニウム、フッ化ジスプロシウム、フッ化サマリウム、フッ化ホルミウム、フッ化ハフニウム、フッ化ランタン、フッ化ユーロピウム、フッ化ルテチウム、フッ化セリウム、フッ化バリウム、フッ化イットリウム、又はそれらの組み合わせを含むことを特徴とする反射光学素子。
- 請求項1~3のいずれか1項に記載の反射光学素子において、前記酸化物層(35、45、55)は、二酸化ケイ素、フッ素ドープ二酸化ケイ素、酸化アルミニウム、酸化マグネシウム、酸化ルテチウム、酸化カルシウム、酸化ハフニウム、酸化ゲルマニウム、酸化ジルコニウム、酸化スズ、酸化亜鉛、酸化バリウム、酸化イットリウム、酸化スカンジウム、又はそれらの組み合わせを含むことを特徴とする反射光学素子。
- 請求項1~4のいずれか1項に記載の反射光学素子において、前記基板(31、41、51)は、石英、チタンドープ石英ガラス、フッ化カルシウム、フッ化マグネシウム、セラミック、ガラスセラミック、ケイ素、炭化ケイ素、ケイ素-炭化ケイ素複合材料、アルミニウム、銅、又はアルミニウム-銅合金からなることを特徴とする反射光学素子。
- 請求項1~5のいずれか1項に記載の反射光学素子において、機能層(42)が前記基板(31、41、51)と前記金属層(32、49、59)との間に配置されることを特徴とする反射光学素子。
- 請求項6に記載の反射光学素子において、前記機能層は、接着促進層又は研磨層として具現されることを特徴とする反射光学素子。
- 請求項6又は7に記載の反射光学素子において、前記機能層(42)は、ケイ素、炭素、アルミニウム、ニッケル、コバルト、ホウ素、タンタル、ジルコニウム、タングステン、ニオブ、モリブデン、バナジウム、クロム、銅、チタン、ハフニウム、それらの合金、酸化物、窒化物、ホウ化物、炭化物、若しくは他の化合物、又はそれらの組み合わせを含むことを特徴とする反射光学素子。
- 請求項1~8の何れか1項に記載の反射光学素子において、前記少なくとも1つの酸化物層は、前記少なくとも1つの金属フッ化物層の何れよりも薄いことを特徴とする反射光学素子。
- 請求項1~8の何れか1項に記載の反射光学素子において、前記少なくとも1つの酸化物層の厚さは8nm以下であることを特徴とする反射光学素子。
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DE102020208044A1 (de) | 2020-06-29 | 2021-12-30 | Carl Zeiss Smt Gmbh | Optisches Element für den VUV-Wellenlängenbereich, optische Anordnung und Verfahren zum Herstellen eines optischen Elements |
DE102021200490A1 (de) | 2021-01-20 | 2021-12-16 | Carl Zeiss Smt Gmbh | Verfahren zum Bilden einer Schutzschicht, optisches Element und optische Anordnung |
DE102021203505A1 (de) * | 2021-04-09 | 2022-10-13 | Carl Zeiss Smt Gmbh | Verfahren und Vorrichtung zum Abscheiden mindestens einer Schicht, optisches Element und optische Anordnung |
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WO2023101862A1 (en) * | 2021-11-30 | 2023-06-08 | Corning Incorporated | Protective coatings for aluminum mirrors and methods of forming the same |
WO2023249814A1 (en) * | 2022-06-22 | 2023-12-28 | Corning Incorporated | In-situ aluminium cleaning using atomic layer etching followed by atomic layer deposition capping for enhanced aluminium mirrors for vuv optics |
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