JP2022549846A - プラズマ耐食性を有する結晶化ガラス及びこれを含むドライエッチング工程部品 - Google Patents
プラズマ耐食性を有する結晶化ガラス及びこれを含むドライエッチング工程部品 Download PDFInfo
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- 239000011521 glass Substances 0.000 title claims abstract description 92
- 238000005260 corrosion Methods 0.000 title claims abstract description 66
- 230000007797 corrosion Effects 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 64
- 230000008569 process Effects 0.000 title claims abstract description 57
- 238000001312 dry etching Methods 0.000 title claims abstract description 35
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000013078 crystal Substances 0.000 claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- WVMPCBWWBLZKPD-UHFFFAOYSA-N dilithium oxido-[oxido(oxo)silyl]oxy-oxosilane Chemical compound [Li+].[Li+].[O-][Si](=O)O[Si]([O-])=O WVMPCBWWBLZKPD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 11
- 229910001386 lithium phosphate Inorganic materials 0.000 claims abstract description 8
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 claims abstract description 8
- MRVHOJHOBHYHQL-UHFFFAOYSA-M lithium metaphosphate Chemical compound [Li+].[O-]P(=O)=O MRVHOJHOBHYHQL-UHFFFAOYSA-M 0.000 claims abstract description 6
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 6
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 4
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 27
- 238000002425 crystallisation Methods 0.000 claims description 21
- 230000008025 crystallization Effects 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 16
- 230000003746 surface roughness Effects 0.000 claims description 11
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- 238000000227 grinding Methods 0.000 claims description 9
- 229910052727 yttrium Inorganic materials 0.000 claims description 7
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 5
- 229910018068 Li 2 O Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 238000005498 polishing Methods 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 229910052788 barium Inorganic materials 0.000 claims description 3
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- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052792 caesium Inorganic materials 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000002178 crystalline material Substances 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 229910052701 rubidium Inorganic materials 0.000 claims description 3
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- 229910021489 α-quartz Inorganic materials 0.000 claims description 3
- 229910007562 Li2SiO3 Inorganic materials 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 40
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 238000005530 etching Methods 0.000 description 25
- 239000004065 semiconductor Substances 0.000 description 20
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 17
- 239000000919 ceramic Substances 0.000 description 17
- 238000012360 testing method Methods 0.000 description 17
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 5
- 229910018119 Li 3 PO 4 Inorganic materials 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
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- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
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- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
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- 238000001878 scanning electron micrograph Methods 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 2
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- 238000007796 conventional method Methods 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 238000007580 dry-mixing Methods 0.000 description 2
- 239000012776 electronic material Substances 0.000 description 2
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- 150000002367 halogens Chemical class 0.000 description 2
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- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 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
- 239000007787 solid Substances 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910020489 SiO3 Inorganic materials 0.000 description 1
- OBNDGIHQAIXEAO-UHFFFAOYSA-N [O].[Si] Chemical group [O].[Si] OBNDGIHQAIXEAO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 230000018109 developmental process Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 229910052731 fluorine Inorganic materials 0.000 description 1
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- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 239000006060 molten glass Substances 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000000678 plasma activation Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 238000007751 thermal spraying Methods 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
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Abstract
Description
本発明の他の一実施形態によるプラズマ耐食性を有する結晶化ガラスの製造方法は、二次結晶化熱処理を行った後、研削及び研磨工程を行うことができる。
加工性及びプラズマ耐食性を考慮するとき、結晶化ガラスは、結晶質を少なくとも30重量%、好ましくは40~80重量%含むことが好ましい。
使用された試験片の規格は15×15×0.6(mm)である。これは、公に表面粗度(Ra)0.5μmのものを使用した。
(1)装備:2300Poly Lam Research(USA)
(2)テスト条件
1)Power-RF Power(Source):1,000W;RF Power(Bias):500W
2)ガス:Total 10mmTorr
CF4:120sccm/Ar:60sccm/O2:20sccm
3)Time-10分露出後、5分休止する方式でこれを6回繰り返し行う
Claims (14)
- 結晶質とガラス質を含み、
結晶質は、二ケイ酸リチウムを主結晶相として含み、リン酸リチウム(Li3PO4)、メタリン酸リチウム(Li2SiO3)、シリカ(SiO2)及びジルコニア(ZrO2)の中から選択された少なくとも1種の結晶相を副結晶相として含むものである
ことを特徴とするプラズマ耐食性を有する結晶化ガラス。 - シリカ結晶相は、クリストバライト(cristobalite)、低温型石英(α-quartz)及びトリジマイト(tridymite)よりなる群から選択された少なくとも1種のものである
請求項1に記載のプラズマ耐食性を有する結晶化ガラス。 - 結晶相は、その平均粒子サイズが0.05~5μmである
請求項1または2に記載のプラズマ耐食性を有する結晶化ガラス。 - 結晶相は、その平均粒子サイズが0.05~0.5μmである
請求項3に記載のプラズマ耐食性を有する結晶化ガラス。 - 結晶相は、その平均粒子サイズが0.5~5μmである
請求項3に記載のプラズマ耐食性を有する結晶化ガラス。 - 表面粗さ(Ra)が最大0.1μmである
請求項1に記載のプラズマ耐食性を有する結晶化ガラス。 - SiO260~85重量%、Li2O10~15重量%、P2O51~6重量%、MeIIO(ここで、MeIIは、Ca、Mg、Zn、Ba又はBe)で表される二価元素酸化物の単独又はこれらの混合物0.1~5重量%、MeI 2O(ここで、MeIはK、Na、Rb又はCs)で表される一価元素酸化物の単独又はこれらの混合物0.1~5重量%、及びMeIII 2O3(ここで、MeIIIはAl、B、Y、La、Ga又はIn)で表される三価元素酸化物の単独又はこれらの混合物1~10重量%を含むガラス組成物の溶融物を400~850℃で一次結晶化熱処理を行う
ことを特徴とするプラズマ耐食性を有する結晶化ガラスの製造方法。 - 一次結晶化熱処理の後、800~950℃で二次結晶化熱処理を行う
請求項7に記載のプラズマ耐食性を有する結晶化ガラスの製造方法。 - 前記一次結晶化熱処理後に研削工程を行い、800~950℃で二次結晶化熱処理を行った後、研磨工程を行う
請求項7に記載のプラズマ耐食性を有する結晶化ガラスの製造方法。 - 二次結晶化熱処理を行った後、研削及び研磨工程を行う
請求項8に記載のプラズマ耐食性を有する結晶化ガラスの製造方法。 - 研磨工程は、平均粗度(Ra)が最大0.1μmとなるように行われる
請求項9または10に記載のプラズマ耐食性を有する結晶化ガラスの製造方法。 - 請求項1に記載のプラズマ耐食性を有する結晶化ガラスを含む
ことを特徴とするドライエッチング工程部品。 - 請求項1に記載のプラズマ耐食性を有する結晶化ガラスからなる
ことを特徴とするドライエッチング工程部品。 - 部品は、フォーカスリング(Focus ring)、静電チャック(Electro Static Chuck)、及びエッジリング(Edge ring)の中から選択された少なくとも1種のものである
請求項12または13に記載のドライエッチング工程部品。
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KR1020190118217A KR20210036138A (ko) | 2019-09-25 | 2019-09-25 | 플라즈마 내식성을 갖는 결정화 유리 및 이를 포함하는 건식식각 공정 부품 |
PCT/KR2019/012530 WO2021060583A1 (ko) | 2019-09-25 | 2019-09-26 | 플라즈마 내식성을 갖는 결정화 유리 및 이를 포함하는 건식식각 공정 부품 |
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US (1) | US20220220023A1 (ja) |
JP (1) | JP2022549846A (ja) |
KR (1) | KR20210036138A (ja) |
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JPH09235137A (ja) * | 1996-03-01 | 1997-09-09 | Toshiba Glass Co Ltd | 磁気ディスク用基板ガラスおよびその製造方法 |
JPH10158034A (ja) * | 1996-10-04 | 1998-06-16 | S Ii C Kk | 情報記録ディスク基板用結晶化ガラス |
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-
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- 2019-09-25 KR KR1020190118217A patent/KR20210036138A/ko not_active Application Discontinuation
- 2019-09-26 WO PCT/KR2019/012530 patent/WO2021060583A1/ko active Application Filing
- 2019-09-26 JP JP2022518856A patent/JP2022549846A/ja active Pending
- 2019-09-26 CN CN201980100246.7A patent/CN114450258A/zh active Pending
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2022
- 2022-03-24 US US17/656,308 patent/US20220220023A1/en active Pending
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JPH11199274A (ja) * | 1996-02-05 | 1999-07-27 | Ohara Inc | 磁気ディスク用結晶化ガラス基板 |
JPH09235137A (ja) * | 1996-03-01 | 1997-09-09 | Toshiba Glass Co Ltd | 磁気ディスク用基板ガラスおよびその製造方法 |
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US20220220023A1 (en) | 2022-07-14 |
KR20210036138A (ko) | 2021-04-02 |
CN114450258A (zh) | 2022-05-06 |
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