JP2022507213A - シリコン、ジルコニウム、および酸素を含む導電性スパッタターゲット - Google Patents
シリコン、ジルコニウム、および酸素を含む導電性スパッタターゲット Download PDFInfo
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- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 27
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 239000010703 silicon Substances 0.000 title claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 title claims description 21
- 229910052726 zirconium Inorganic materials 0.000 title claims description 18
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 title claims description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title description 18
- 239000001301 oxygen Substances 0.000 title description 18
- 238000004544 sputter deposition Methods 0.000 claims abstract description 38
- 238000002441 X-ray diffraction Methods 0.000 claims abstract description 9
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 52
- 239000000203 mixture Substances 0.000 claims description 41
- 239000000758 substrate Substances 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 33
- 241000446313 Lamella Species 0.000 claims description 26
- 239000000843 powder Substances 0.000 claims description 25
- 239000002245 particle Substances 0.000 claims description 24
- 238000005507 spraying Methods 0.000 claims description 19
- 229910001928 zirconium oxide Inorganic materials 0.000 claims description 18
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000003647 oxidation Effects 0.000 claims description 8
- 238000007254 oxidation reaction Methods 0.000 claims description 8
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- 239000002923 metal particle Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- -1 zirconium oxide compound Chemical class 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 18
- 239000007789 gas Substances 0.000 description 15
- 239000013077 target material Substances 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 12
- 238000000576 coating method Methods 0.000 description 11
- 125000004429 atom Chemical group 0.000 description 10
- 238000000151 deposition Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 8
- 230000008021 deposition Effects 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- FAUIDPFKEVQLLR-UHFFFAOYSA-N [O-2].[Zr+4].[Si+4].[O-2].[O-2].[O-2] Chemical compound [O-2].[Zr+4].[Si+4].[O-2].[O-2].[O-2] FAUIDPFKEVQLLR-UHFFFAOYSA-N 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- UVGLBOPDEUYYCS-UHFFFAOYSA-N silicon zirconium Chemical compound [Si].[Zr] UVGLBOPDEUYYCS-UHFFFAOYSA-N 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 4
- 238000005546 reactive sputtering Methods 0.000 description 4
- 238000005477 sputtering target Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229910001882 dioxygen Inorganic materials 0.000 description 2
- 238000000635 electron micrograph Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000001552 radio frequency sputter deposition Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011863 silicon-based powder Substances 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910003310 Ni-Al Inorganic materials 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007749 high velocity oxygen fuel spraying Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004372 laser cladding Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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Abstract
Description
- ジルコニウムおよびシリコン酸化物もしくはシリコン亜酸化物の粒子を含み、かつ/またはシリコンおよびジルコニウム酸化物もしくはジルコニウム亜酸化物の粒子を含み、かつ/またはシリコン亜酸化物およびジルコニウム亜酸化物の粒子を含み、かつ/またはシリコンジルコニウム酸化化合物の粒子を含む粉末を提供することと、
- バッキング基板を提供することと、
- その粉末を、SiZrxOy(式中、xは、0.02超であるが5以下であり、yは、0.03超であるが2(x+1)以下である)の組成を有するスパッタリング用ターゲットが得られるような量で、バッキング基板上に溶融形態で投射して、投射した粉末を冷却かつ固化させることと、を含む。
・SiおよびZrOZ(0.25<z<=2)のいずれか、
・またはZrおよびSiOZ(0.25<z<=2)、
・またはSiOvおよびZrOw(0.1<v<=1.9、0.1<w<=2-v)、
・またはSiZraOb化合物(式中、aおよびbは、最終組成物中でそれぞれxおよびyに等しくなり得るが、それを必要としない)であって、例えば、金属または亜酸化Siおよび/もしくはZrで補充され得る、化合物、
・またはこれらの材料の組み合わせ。
図3は、2つの35インチSi:ZrOZターゲットの「粉末XRD」によるXRDパターンを示し、zは、およそ1.85であり、これは、0.23に近いxのターゲット組成、およびSiZrxOyについて0.42に近いyの値にほぼ対応する。ターゲットは、単斜晶ZrO2粉末を含むSiおよびジルコニウム酸化物粉末の噴霧によって製造した。2つのターゲットの測定結果は両方とも、グラフ化され、位置が実質的に重複する。
(式中、パラメータtおよびsは、それぞれ、ターゲットの厚さおよび接触間の空間である。)。これは、以下のように簡略化することができる:
ρ=2*π*s*V/I
V/I=R=ρ・D/S
NIメッキ真鍮、最小:100Ω最大:400Ω
スチールポイント最小:200Ω最大:300Ω
NIメッキ真鍮、最小:60Ω最大:200Ω
スチールポイント最小:80Ω最大:160Ω
2Ω・cmの理論シミュレーション:R~200Ω
Claims (11)
- SiZrxOyを含むスパッタリング用ターゲット(100)であって、式中、xが0.02超であるが5以下であり、yが0.03超であるが2*(1+x)以下であり、前記ターゲットが、28.29°+/-0.3°でシリコン2シータピーク、または30.05°+/-0.3°で正方晶相ZrO2 2シータピークを有するXRDパターンを有する、ターゲット(100)。
- 少なくとも50原子%のSiZrxOyを含む、請求項1に記載のターゲット(100)。
- 前記SiZrxOyのフラクションが、材料の顕微鏡的なスプラットからなるラメラ構造を有する、請求項1または2に記載のターゲット(100)。
- 前記ターゲットが、90%超のSi、Zr、およびO元素を含む、請求項1~3のいずれか一項に記載のターゲット(100)。
- 1000オームcm未満、好ましくは100オームcm未満、より好ましくは10オームcm未満、さらには1オームcm未満の抵抗率を有する、請求項4に記載のターゲット(100)。
- xが、0.05超であるが1未満であり、好ましくは0.1~0.5であり、yが、0.1超であるが2*(0.6+x)未満であり、好ましくは0.2~2*(0.3+x)である、請求項1~5のいずれか一項に記載のターゲット。
- 前記ターゲット(100)が、Siからなるラメラ(101、102)と、ZrOZからなるラメラと、を含み、zが、0.05超であるが2以下である、請求項1~6のいずれか一項に記載のターゲット。
- 前記ターゲット(100)が、混合酸化化合物からなる少なくとも1重量%のラメラを含む、請求項1~7のいずれか一項に記載のターゲット。
- 前記ターゲット(100)が、金属粒子をさらに含む、請求項1~8のいずれか一項に記載のターゲット。
- スパッタリング用導電性SiZrxOyターゲットを製造する(204)ための方法であって、式中、xが0.02超であるが5以下であり、yが0.03超であるが2*(x+1)以下であり、前記方法が、
-ジルコニウムおよびシリコン酸化物もしくはシリコン亜酸化物の粒子を含み、かつ/またはシリコンおよびジルコニウム酸化物もしくはジルコニウム亜酸化物の粒子を含み、かつ/またはシリコン亜酸化物およびジルコニウム亜酸化物の粒子を含み、かつ/またはシリコン/ジルコニウム酸化化合物の粒子を含む粉末を提供すること(201)と、
-バッキング基板を提供すること(202)と、
-前記粉末を、SiZrxOy(式中、xは、0.02超であるが5以下であり、yは、0.03超であるが2*(1+x)以下である)の組成を有するスパッタリング用ターゲットが得られるような量で、前記バッキング基板上に溶融形態で投射して、前記投射した粉末を冷却かつ固化させること(204)と、を含む、方法。 - 前記粉末を投射することが、噴霧すること(213)を含む、請求項10に記載の方法。
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