JPWO2012141066A1 - 酸化物型半導体材料及びスパッタリングターゲット - Google Patents
酸化物型半導体材料及びスパッタリングターゲット Download PDFInfo
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- JPWO2012141066A1 JPWO2012141066A1 JP2013509864A JP2013509864A JPWO2012141066A1 JP WO2012141066 A1 JPWO2012141066 A1 JP WO2012141066A1 JP 2013509864 A JP2013509864 A JP 2013509864A JP 2013509864 A JP2013509864 A JP 2013509864A JP WO2012141066 A1 JPWO2012141066 A1 JP WO2012141066A1
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- 239000000463 material Substances 0.000 title claims abstract description 59
- 239000004065 semiconductor Substances 0.000 title claims abstract description 54
- 238000005477 sputtering target Methods 0.000 title claims description 10
- 239000002019 doping agent Substances 0.000 claims abstract description 59
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 14
- 229910052718 tin Inorganic materials 0.000 claims abstract description 13
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 12
- 229910052746 lanthanum Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 12
- 239000010409 thin film Substances 0.000 claims description 9
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 abstract description 14
- 229910007604 Zn—Sn—O Inorganic materials 0.000 abstract description 3
- 239000011701 zinc Substances 0.000 description 50
- 239000011135 tin Substances 0.000 description 41
- 239000011777 magnesium Substances 0.000 description 38
- 239000010408 film Substances 0.000 description 26
- 238000004544 sputter deposition Methods 0.000 description 17
- 239000011575 calcium Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 14
- 239000004973 liquid crystal related substance Substances 0.000 description 13
- 239000000843 powder Substances 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000005355 Hall effect Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229910021417 amorphous silicon Inorganic materials 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009616 inductively coupled plasma Methods 0.000 description 2
- 239000011812 mixed powder Substances 0.000 description 2
- 238000000059 patterning Methods 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910004205 SiNX Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 229910007541 Zn O Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004549 pulsed laser deposition Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G19/00—Compounds of tin
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G19/00—Compounds of tin
- C01G19/006—Compounds containing, besides tin, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/086—Oxides of zinc, germanium, cadmium, indium, tin, thallium or bismuth
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
- C23C14/3414—Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
-
- 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
- H01L21/02551—Group 12/16 materials
- H01L21/02554—Oxides
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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
- H01L21/02565—Oxide semiconducting materials not being Group 12/16 materials, e.g. ternary compounds
-
- 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
- H01L21/0257—Doping during depositing
- H01L21/02573—Conductivity type
- H01L21/02581—Transition metal or rare earth elements
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- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02631—Physical deposition at reduced pressure, e.g. MBE, sputtering, evaporation
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- 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
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- 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
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
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- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thin Film Transistor (AREA)
- Physical Vapour Deposition (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
Abstract
Description
ターゲット作製:大気雰囲気中、500℃で仮焼成を施したZnO粉と、大気雰囲気中、1050℃で仮焼成を施したSnO2粉と、仮焼していないMgO粉を各々所定量秤量し、樹脂製ポット(容量4L)に投入してボールミルにて混合した。このボールミルでは、回転数130rpm、混合時間12時間の混合を行った。そして、混合粉を目開き500μm、線径315μmの篩にて、ふるい分けを行った。粗粒分が取り除かれた篩下の混合粉を、φ100mmカーボン製プレス型に充填して、ホットプレスにより焼結体を作製した。ホットプレス条件は、Arガス流量を3L/minとし、9.4MPa加圧下で1050℃まで昇温した後、25MPa加圧下で90分間保持し、自然冷却させ焼結体を取り出した。以上のような手順により、表1に示す各原子比となる薄膜を形成するための焼結体ターゲット形成をした。
Claims (7)
- Zn酸化物とSn酸化物とを含む酸化物型半導体材料であって、
ドーパントとして、Mg、Ca、La、Yのいずれか一種以上を含有し、ドーパント含有量は、金属元素としてのZn、Sn、ドーパントの各原子数合計に対するドーパントの原子比が0.09以下であることを特徴とする酸化物型半導体材料。 - ZnとSnとは、Znの金属元素の原子数をA、Snの金属元素の原子数をBとした場合、A/(A+B)=0.4〜0.8となる割合で含有された請求項1に記載の酸化物型半導体材料。
- ドーパントとして、Zrをさらに含有する請求項1または請求項2に記載の酸化物型半導体材料。
- 請求項1〜請求項3いずれかに記載の酸化物型半導体材料を用いて形成されたボトムゲート型あるいはトップゲート型の薄膜トランジスタ。
- 請求項1または請求項2に記載の酸化物型半導体材料により形成された薄膜を成膜するためのスパッタリングターゲットであって、
Zn酸化物とSn酸化物とからなり、ドーパントとしてのMg、Ca、La、Yのいずれか一種以上を含有し、
ドーパント含有量は、金属元素としてのZn、Sn、ドーパントの各原子数合計に対するドーパントの原子比が0.09以下であることを特徴とするスパッタリングターゲット。 - ZnとSnとが、Znの金属元素の原子数をA、Snの金属元素の原子数をBとした場合、A/(A+B)=0.4〜0.8となる割合で含有した請求項5に記載のスパッタリングターゲット。
- ドーパントとしてのZrをさらに含有する請求項5または請求項6に記載のスパッタリングターゲット。
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PCT/JP2012/059329 WO2012141066A1 (ja) | 2011-04-12 | 2012-04-05 | 酸化物型半導体材料及びスパッタリングターゲット |
JP2013509864A JP5881681B2 (ja) | 2011-04-12 | 2012-04-05 | 酸化物型半導体材料及びスパッタリングターゲット |
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CN (1) | CN103582953B (ja) |
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JP6557750B1 (ja) * | 2018-03-16 | 2019-08-07 | 株式会社コベルコ科研 | スパッタリングターゲット材、及びスパッタリングターゲット |
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JP2010050165A (ja) * | 2008-08-19 | 2010-03-04 | Sumitomo Chemical Co Ltd | 半導体装置、半導体装置の製造方法、トランジスタ基板、発光装置、および、表示装置 |
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KR101623958B1 (ko) * | 2008-10-01 | 2016-05-25 | 삼성전자주식회사 | 인버터 및 그의 동작방법과 인버터를 포함하는 논리회로 |
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JP2010050165A (ja) * | 2008-08-19 | 2010-03-04 | Sumitomo Chemical Co Ltd | 半導体装置、半導体装置の製造方法、トランジスタ基板、発光装置、および、表示装置 |
JP2010070409A (ja) * | 2008-09-17 | 2010-04-02 | Idemitsu Kosan Co Ltd | 酸化物焼結体の製造方法 |
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JP2012066968A (ja) * | 2010-09-24 | 2012-04-05 | Kobelco Kaken:Kk | 酸化物焼結体およびスパッタリングターゲット |
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TW201250865A (en) | 2012-12-16 |
JP5881681B2 (ja) | 2016-03-09 |
CN103582953A (zh) | 2014-02-12 |
KR101501629B1 (ko) | 2015-03-11 |
KR20130126974A (ko) | 2013-11-21 |
CN103582953B (zh) | 2016-07-06 |
WO2012141066A1 (ja) | 2012-10-18 |
TWI531009B (zh) | 2016-04-21 |
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