KR101600261B1 - 산화물 소결체, 스퍼터링 타깃 및 산화물 박막 - Google Patents
산화물 소결체, 스퍼터링 타깃 및 산화물 박막 Download PDFInfo
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- KR101600261B1 KR101600261B1 KR1020150104463A KR20150104463A KR101600261B1 KR 101600261 B1 KR101600261 B1 KR 101600261B1 KR 1020150104463 A KR1020150104463 A KR 1020150104463A KR 20150104463 A KR20150104463 A KR 20150104463A KR 101600261 B1 KR101600261 B1 KR 101600261B1
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- 238000005477 sputtering target Methods 0.000 title claims description 28
- 239000010409 thin film Substances 0.000 title description 30
- 239000010936 titanium Substances 0.000 claims abstract description 57
- 229910005793 GeO 2 Inorganic materials 0.000 claims abstract description 19
- 229910005191 Ga 2 O 3 Inorganic materials 0.000 claims abstract description 18
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 16
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 15
- 229910052738 indium Inorganic materials 0.000 claims abstract description 15
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 15
- 229910052718 tin Inorganic materials 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000001301 oxygen Substances 0.000 claims abstract description 9
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims abstract description 8
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 7
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 6
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 19
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 18
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 17
- 239000011701 zinc Substances 0.000 claims description 15
- 230000008033 biological extinction Effects 0.000 claims description 13
- 238000004544 sputter deposition Methods 0.000 abstract description 33
- 239000000126 substance Substances 0.000 abstract description 14
- 238000002834 transmittance Methods 0.000 abstract description 11
- 239000000843 powder Substances 0.000 description 86
- 239000010408 film Substances 0.000 description 37
- 230000003287 optical effect Effects 0.000 description 36
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 34
- 239000003513 alkali Substances 0.000 description 23
- 230000000052 comparative effect Effects 0.000 description 19
- 239000011787 zinc oxide Substances 0.000 description 18
- 238000005530 etching Methods 0.000 description 16
- 239000000523 sample Substances 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 238000005245 sintering Methods 0.000 description 13
- 239000011812 mixed powder Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000013329 compounding Methods 0.000 description 8
- 230000001965 increasing effect Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000006467 substitution reaction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001552 radio frequency sputter deposition Methods 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000007496 glass forming Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- 101000892301 Phomopsis amygdali Geranylgeranyl diphosphate synthase Proteins 0.000 description 1
- AZWHFTKIBIQKCA-UHFFFAOYSA-N [Sn+2]=O.[O-2].[In+3] Chemical compound [Sn+2]=O.[O-2].[In+3] AZWHFTKIBIQKCA-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000004993 emission spectroscopy Methods 0.000 description 1
- 230000002708 enhancing effect Effects 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
- 238000010304 firing Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009616 inductively coupled plasma Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000010334 sieve classification Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- OYQCBJZGELKKPM-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O-2].[Zn+2].[O-2].[In+3] OYQCBJZGELKKPM-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/453—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zinc, tin, or bismuth oxides or solid solutions thereof with other oxides, e.g. zincates, stannates or bismuthates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2608—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead
- C04B35/2633—Compositions containing one or more ferrites of the group comprising manganese, zinc, nickel, copper or cobalt and one or more ferrites of the group comprising rare earth metals, alkali metals, alkaline earth metals or lead containing barium, strontium or calcium
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3213—Strontium oxides or oxide-forming salts thereof
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Physical Vapour Deposition (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Non-Insulated Conductors (AREA)
- Inorganic Chemistry (AREA)
Abstract
Description
Claims (14)
- 아연 (Zn), 인듐 (In), 티탄 (Ti), 주석 (Sn), 갈륨 (Ga), 게르마늄 (Ge) 및 산소 (O) 로 이루어지고, Zn 함유량이 ZnO 환산으로 40 ∼ 80 ㏖%, In 함유량이 In2O3 환산으로 3 ∼ 25 ㏖%, Ti 함유량이 TiO2 환산으로 2 ∼ 15 ㏖%, Sn 함유량이 SnO2 환산으로 5 ∼ 35 ㏖%, Ga 함유량이 Ga2O3 환산으로 0.5 ∼ 10 ㏖%, Ge 함유량이 GeO2 환산으로 0.5 ∼ 10 ㏖% 인 것을 특징으로 하는 산화물 소결체.
- 제 1 항에 있어서,
Ti 에 대한 In 의 함유량이 원자수비로 3.0 ≤ In/Ti ≤ 5.0, Ge 에 대한 Ga 의 함유량이 원자수비로 1.2 ≤ Ga/Ge ≤ 3.0, In 과 Ti 와 Sn 과 Ga 와 Ge 에 대한 Zn 의 함유량이 원자수비로 0.5 ≤ Zn/(In + Ti + Sn + Ga + Ge) ≤ 3.0, Ga 와 Ge 에 대한 Sn 과 In 과 Ti 의 함유량이 원자수비로 1.0 ≤ (Sn + In + Ti)/(Ga + Ge) 의 관계식을 만족하는 것을 특징으로 하는 산화물 소결체. - 제 1 항에 있어서,
상대 밀도가 90 % 이상인 것을 특징으로 하는 산화물 소결체. - 제 2 항에 있어서,
상대 밀도가 90 % 이상인 것을 특징으로 하는 산화물 소결체. - 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,
벌크 저항이 10 Ω·㎝ 이하인 것을 특징으로 하는 산화물 소결체. - 제 1 항 내지 제 4 항 중 어느 한 항에 기재된 산화물 소결체를 사용하는 것을 특징으로 하는 스퍼터링 타깃.
- 제 5 항에 기재된 산화물 소결체를 사용하는 것을 특징으로 하는 스퍼터링 타깃.
- 아연 (Zn), 인듐 (In), 티탄 (Ti), 주석 (Sn), 갈륨 (Ga), 게르마늄 (Ge) 및 산소 (O) 로 이루어지고, Zn 함유량이 ZnO 환산으로 40 ∼ 80 ㏖%, In 함유량이 In2O3 환산으로 3 ∼ 25 ㏖%, Ti 함유량이 TiO2 환산으로 2 ∼ 15 ㏖%, Sn 함유량이 SnO2 환산으로 5 ∼ 35 ㏖%, Ga 함유량이 Ga2O3 환산으로 0.5 ∼ 10 ㏖%, Ge 함유량이 GeO2 환산으로 0.5 ∼ 10 ㏖% 인 것을 특징으로 하는 박막.
- 제 8 항에 있어서,
Ti 에 대한 In 의 함유량이 원자수비로 3.0 ≤ In/Ti ≤ 5.0, Ge 에 대한 Ga 의 함유량이 원자수비로 1.2 ≤ Ga/Ge ≤ 3.0, In 과 Ti 와 Sn 과 Ga 와 Ge 에 대한 Zn 의 함유량이 원자수비로 0.5 ≤ Zn/(In + Ti + Sn + Ga + Ge) ≤ 3.0, Ga 와 Ge 에 대한 Sn 과 In 과 Ti 의 함유량이 원자수비로 1.0 ≤ (Sn + In + Ti)/(Ga + Ge) 의 관계식을 만족하는 것를 특징으로 하는 박막. - 제 8 항에 있어서,
파장 550 ㎚ 에 있어서의 굴절률이 1.95 ∼ 2.10 인 것을 특징으로 하는 박막. - 제 9 항에 있어서,
파장 550 ㎚ 에 있어서의 굴절률이 1.95 ∼ 2.10 인 것을 특징으로 하는 박막. - 제 8 항 내지 제 11 항 중 어느 한 항에 있어서,
파장 405 ㎚ 에 있어서의 소쇠 계수가 0.05 이하인 것을 특징으로 하는 박막. - 제 8 항 내지 제 11 항 중 어느 한 항에 있어서,
체적 저항률이 1 kΩ·㎝ 이하인 것을 특징으로 하는 박막. - 제 12 항에 있어서,
체적 저항률이 1 kΩ·㎝ 이하인 것을 특징으로 하는 박막.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2015010453A JP5735190B1 (ja) | 2015-01-22 | 2015-01-22 | 酸化物焼結体、スパッタリングターゲット及び酸化物薄膜 |
JPJP-P-2015-010453 | 2015-01-22 |
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KR101600261B1 true KR101600261B1 (ko) | 2016-03-09 |
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JP (1) | JP5735190B1 (ko) |
KR (1) | KR101600261B1 (ko) |
CN (1) | CN105821377B (ko) |
TW (1) | TWI564250B (ko) |
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WO2019031105A1 (ja) * | 2017-08-08 | 2019-02-14 | 三井金属鉱業株式会社 | 酸化物焼結体およびスパッタリングターゲット |
JP2019163494A (ja) * | 2018-03-19 | 2019-09-26 | 住友金属鉱山株式会社 | 透明酸化物膜、透明酸化物膜の製造方法、酸化物焼結体及び透明樹脂基板 |
US12012650B2 (en) | 2019-06-28 | 2024-06-18 | Ulvac, Inc. | Sputtering target and method of producing sputtering target |
WO2024057671A1 (ja) * | 2022-09-16 | 2024-03-21 | 株式会社アルバック | 酸化物半導体薄膜形成用スパッタリングターゲット、酸化物半導体薄膜形成用スパッタリングターゲットの製造方法、酸化物半導体薄膜、薄膜半導体装置及びその製造方法 |
KR20250054082A (ko) | 2022-09-16 | 2025-04-22 | 가부시키가이샤 알박 | 산화물 반도체 박막 형성용 스퍼터링 타깃, 산화물 반도체 박막 형성용 스퍼터링 타깃의 제조 방법, 산화물 반도체 박막, 박막 반도체 장치 및 그 제조 방법 |
JP7493688B1 (ja) * | 2022-09-16 | 2024-05-31 | 株式会社アルバック | 酸化物半導体薄膜形成用スパッタリングターゲット、酸化物半導体薄膜形成用スパッタリングターゲットの製造方法、酸化物半導体薄膜、薄膜半導体装置及びその製造方法 |
KR102828505B1 (ko) * | 2024-12-31 | 2025-07-02 | 케이브이머티리얼즈 주식회사 | 산화물의 스퍼터링용 타겟 제조방법 및 투명 전도성 산화물 박막 형성방법 |
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