WO2005103320A1 - 酸化インジウム−酸化亜鉛−酸化マグネシウム系スパッタリングターゲット及び透明導電膜 - Google Patents
酸化インジウム−酸化亜鉛−酸化マグネシウム系スパッタリングターゲット及び透明導電膜 Download PDFInfo
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- WO2005103320A1 WO2005103320A1 PCT/JP2005/002903 JP2005002903W WO2005103320A1 WO 2005103320 A1 WO2005103320 A1 WO 2005103320A1 JP 2005002903 W JP2005002903 W JP 2005002903W WO 2005103320 A1 WO2005103320 A1 WO 2005103320A1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
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- 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
-
- 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
-
- 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
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
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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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/20—Electrodes
- H10F77/244—Electrodes made of transparent conductive layers, e.g. transparent conductive oxide [TCO] layers
Definitions
- the present invention relates to an electrode substrate for driving liquid crystal and an electrode substrate for EL, and more particularly, to a transparent conductive film constituting a transparent electrode used for these electrode substrates. Further, the present invention relates to a sputtering target used for manufacturing the transparent conductive film.
- ITO Indium Tin Oxide
- aqua regia a mixture of nitric acid and hydrochloric acid
- a strong acid causes problems. May be a problem. That is, in a liquid crystal display device using a TFT (Thin Film Transistor) as a constituent element, a thin metal wire may be used as a gate line or a source-drain line (or an electrode). In this case, when the ITO film is etched, there may be a problem that the wiring material is disconnected or thinned due to aqua regia.
- TFT Thin Film Transistor
- amorphous ITO is formed by making hydrogen or water exist in a sputtering gas during film formation, and the formed amorphous ITO is etched with a weak acid.
- ITO itself is crystalline
- etching is performed with a weak acid, there may be a problem that an etching residue is generated.
- hydrogen or water is scattered in the sputtering gas at the time of film formation, projections called nodules are generated on the ITO sputtering target, which may cause abnormal discharge.
- a target containing a hexagonal layered compound represented by 23 m-1 20) is disclosed. According to this target, a transparent conductive film having higher moisture resistance than the ITO film and having the same conductivity and light transmittance as the IT film can be obtained.
- Patent Document 2 discloses that the value of ⁇ ⁇ ( ⁇ + ⁇ ), which is the atomic ratio of the zinc element and the indium element in the amorphous oxide, is less than 0.2-0.9.
- a color filter for a liquid crystal display comprising a transparent electrode for driving a liquid crystal, wherein
- a color filter for a liquid crystal display which does not easily cause cracks or peeling, is disclosed.
- Patent Document 3 discloses a conductive transparent substrate containing In and Zn and having a value of InZ (In + Zn) of 0.8-0.9, wherein A conductive transparent substrate excellent in thermal stability of resistance is disclosed.
- Patent Documents 13 to 13 disclose that a target free of nodules can be obtained and that a transparent conductive material having excellent etching properties and having the same specific resistance as ITO. There is also a patent document showing that a film can be obtained.
- Patent Document 1 JP 06-234565 A
- Patent Document 2 JP-A-07-120612
- Patent Document 3 Japanese Patent Application Laid-Open No. 07-235219
- Patent Document 4 Japanese Patent Application Laid-Open No. 08-264022
- the band gap is not clearly seen, that is, since the band gap is not so large, the light beam on the short wavelength side, particularly, in the 400 to 450 nm region. In some cases, a problem that the transmittance is reduced occurs.
- Patent Document 4 the refractive index can be controlled and the transparent conductive film with high transparency can be manufactured by adjusting the composition of the pseudo ternary oxide.
- the sputtering target used for forming the transparent conductive film has a low conductivity, making it difficult to perform sputtering, and since the formed transparent conductive film is crystalline, the etching life is not so high. .
- the present invention has been made to solve the above problems, and an object of the present invention is to provide a target that does not generate nodules during sputtering. Another object of the present invention is to provide an amorphous transparent conductive film which is excellent in etching properties and particularly excellent in transparency in the region of 400 to 450 nm (has high light transmittance in the region of 400 to 450 nm). Is Rukoto.
- the present invention provides indium oxide, zinc oxide, and
- Magnesium oxide and a sputtering target.
- magnesium oxide By further adding magnesium oxide to a sputtering target composed of indium oxide and zinc oxide, the generation of nodules during sputtering can be more effectively suppressed, and a target with less abnormal discharge can be obtained.
- the present invention provides a method for manufacturing a sputtering target containing indium oxide, zinc oxide, and magnesium oxide, wherein the crystal peak is obtained by observing a crystal peak obtained by X-ray diffraction.
- General formula In ⁇ (ZnO) consisting of, indium oxide and zinc oxide
- n is an integer from 3-20.
- the crystal peak includes a predetermined hexagonal layered compound and In MgO.
- the predetermined hexagonal layered compound is represented by a general formula In O (ZnO) comprising indium oxide and zinc oxide (where m is 3-2
- indium oxide, zinc oxide, and a strong hexagonal layered compound include In Z oxide. n ⁇ , In ZnO, In ZnO, etc., whose general formula is In O (ZnO) (where
- the size of the crystal grains of these composite oxides by EPMA (Electron Probe Microanalysis: X-ray microanalyzer) mapping should be 10 xm or less, preferably 5 zm or less, more preferably 3 ⁇ m or less. Is preferred.
- the Balta resistance of the sputtering target does not contain the above hexagonal compound composed of indium oxide and suboxide, In Mg ⁇ , and the like.
- the present invention is characterized in that it includes a hexagonal layered compound composed of indium oxide and zinc oxide, and In MgO composed of indium oxide and magnesium oxide.
- [In] / ([In] + [Zn] + [Mg]) 0.74-0.94. If the value of [In] / ([In] + [Zn] + [Mg]) is less than 0.74, the Balta resistance of the sputtering target becomes too large, or the The specific resistance may increase. On the other hand, when the value of [In] / ([In] + [Zn] + [Mg]) is more than 0.94, the specific resistance of the formed transparent conductive film becomes large or the transparent conductive film becomes transparent. The conductive film may be crystallized, and residues may be generated during etching.
- [Zn] Z ([In] + [Zn] + [Mg]) 0. 05-0.25.
- the value of [Zn] / ([In] + [Zn] + [Mg]) is less than 0.05, the specific resistance of the formed transparent conductive film becomes too large or crystallizes. Sometimes. On the other hand, when the value of [Zn] / ([In] + [Zn] + [Mg]) is more than 0.25, the specific resistance of the formed transparent conductive film may be too large.
- [Mg] / ([In] + [Zn] + [Mg]) 0.01 ⁇ 0.20. If the value is less than 0.01, the specific resistance of the formed transparent conductive film may be excessively high or may be crystallized, and the transmittance of the transparent conductive film may not increase. is there. On the other hand, when the value of [Mg] / ([In] + [Zn] + [Mg]) is more than 0.25, the specific resistance of the formed transparent conductive film may be too large.
- the present invention is the sputtering target according to any one of (1) to (4), further comprising a positive tetravalent metal oxide.
- Positive tetravalent means that the valence of the metal atom in the metal oxide is +4.
- the Balta resistance of the sputtering target is reduced, and abnormal discharge can be prevented.
- the positive tetravalent metal oxide may be SnO 2, ZrO, GeO, or CeO.
- SnO 2, ZrO 2, GeO 2 and CeO can be preferably used.
- the present invention also selects a group M force consisting of SnO 2, ZrO, GeO, CeO, and GaO force.
- the sputtering target according to the above (6) further comprising one or more metal oxides.
- [M] is a metal in one or more metal oxides selected from the group M per unit volume, that is, any one of Sn, Zr, Ge, Ce, and Ga per unit volume.
- [total metal] is the total metal per unit volume, that is, In, Zn, Mg per unit volume; Represents the total number of atoms of one or more selected metal oxides.
- the value of [M] / [all metals] is 0.0001 to 0.15, preferably 0.0003 to 0.12, and more preferably 0.0005 to 0.1. .
- the value of [ ⁇ ] / [all metals] is less than 0.0001, the effect of addition may not be obtained.
- the value of [ ⁇ ] / [all metals] exceeds 0.15, film formation In some cases, the etching life of the obtained transparent conductive film hardly improves.
- the present invention is an amorphous transparent conductive film characterized by containing indium oxide, zinc oxide and magnesium oxide.
- the transparent conductive film contains indium oxide, zinc oxide, and magnesium oxide, a completely amorphous transparent conductive film can be obtained.
- the transparent conductive film contains magnesium oxide, it is possible to effectively prevent the light transmittance of the transparent conductive film from decreasing in the range of 400 to 450 ⁇ m.
- [In] / ([In] + [Zn] + [Mg]) 0.74-0.94
- [Zn] / ([In] + [Zn] + [ Mg]) 0.05-0.25
- [Mg] / ([In] + [Zn] + [Mg]) 0.01-0.20
- [In] represents the number of indium atoms per unit volume
- [Zn] represents the number of zinc atoms per unit volume
- [Mg] represents the number of magnesium atoms per unit volume. .
- the transparent conductive film of the present invention Is 0.74-0.94, preferably f-0.7-0.92, more preferably f5-0.75-0.9. If the value of [In] / ([In] + [Zn] + [Mg]) is less than 0.74, the specific resistance of the transparent conductive film may be too large, and [111] 7 ([111 If the value of [+11] + [1 ⁇ ⁇ ]) is more than 0.94, the transparent conductive film may be easily crystallized or the specific resistance may be increased.
- the value of the transparent conductive film of the present invention, 1 1] 7 ([111 ] + 1 1] + [1 ⁇ ⁇ ]) is 0.05 0 • 25, preferably 0-07-0.25, more preferably 0-08-0.22.
- the transparent conductive film may be easily crystallized or the specific resistance may be increased.
- the value of [Zn] / ([In] + [Zn] + [Mg]) is more than 0.25, the specific resistance of the transparent conductive film may become too large.
- the value of [Mg] / ([In] + [Zn] + [Mg]) is from 0.01 to 0.2, preferably from 0.01 to 0.15. Yes, and more preferably 0.02-0.1.
- the transmittance of the transparent conductive film does not increase, the crystallization becomes easy, or the ratio increases. Resistance may increase.
- the value of [Mg] / ([In] + [Zn] + [Mg]) is more than 0.20, the specific resistance of the formed transparent conductive film may be too large. .
- the transparent conductive film may not be able to obtain desirable transparency, specific resistance, etching property, and the like.
- the present invention is the amorphous transparent conductive film according to the above (9) or (10), further comprising a positive tetravalent metal oxide.
- the Balta resistance of the target is reduced, and the transparent conductive film can be formed in a stable discharge state. For this reason, a more stable transparent conductive film can be obtained.
- the present invention provides the method wherein the metal oxide having a positive valence of four is SnO 2, ZrO, GeO, or CeO.
- SnO2, ZrO2, GeO2, and CeO can be preferably used.
- the present invention relates to the group M consisting of SnO 2, ZrO, and GeO, CeO, and GaO forces.
- [M] is the group M per unit volume.
- the metal in one or two or more metal oxides selected from the group consisting of Sn, Zr, Ge, Ce, and Ga per unit volume represents the number of one or more atoms, All metals] are the total metals per unit volume, that is, the atoms of In, Zn, Mg, and the metal in one or more metal oxides selected from the group M per unit volume. Indicates the total number.
- It is preferably 15 and preferably 0.0003 0.12, more preferably 0.0005 and 0.1.
- the sputtering target of the present invention hardly generates nodules during sputtering.
- the amorphous transparent conductive film of the present invention hardly generates residues and the like by etching with a weak acid (such as an organic acid), and is excellent in transparency (light transmittance) in a 400 to 450 nm region. .
- a weak acid such as an organic acid
- FIG. 1 is a diagram showing physical property parameters of a sputtering target and a transparent conductive film in Example 119 and Comparative Examples 1 and 2.
- FIG. 2 is a diagram illustrating an X-ray chart of a target 1 according to the first embodiment.
- MgO powder having an average particle size of 1 ⁇ m or less was weighed at a predetermined ratio, mixed, put into a resin pot, added water, and mixed with a wet ball mill using hard ZrO balls.
- the mixing time was 20 hours.
- take out the obtained mixed slurry Then, filtration, drying and granulation were performed.
- the obtained granules were placed in a molding die and molded by applying a pressure of 3 ton / cm 2 with a cold isostatic press to obtain a molded body.
- the obtained molded body was sintered as follows. First, in a sintering furnace, the green body is placed, a volume 0. lm 3 per the sintering furnace, at a rate 5 liters Z min, flowing oxygen. In this atmosphere, the compact was sintered at 1470 ° C for 5 hours. At this time, the temperature in the sintering furnace was raised by 1 ° CZ up to 1000 ° C, and by 3 ° CZ between 1000 ° C and 1470 ° C. Thereafter, the flow of oxygen was stopped, and the temperature in the sintering furnace was decreased from 1470 ° C to 1300 ° C at a rate of 10 ° C / min. The volume 0. lm 3 per the sintering furnace, and flowing Ar at a rate 10 l Z component, in this atmosphere, after the molded body was held for 3 hours at 1300 ° C, allowed to cool, A sintered body was obtained.
- the relative density of the obtained sintered body was determined as follows. First, it was measured by the Archimedes method using water, and the relative density was calculated from the theoretical density. The value was 97%. This relative density is shown in FIG. The theoretical density at this time was calculated from the weight fraction of an oxide of In ⁇ crystal (bixbitite type structure) having no oxygen vacancy and Zn and Mg.
- [In] represents the number of indium atoms per unit volume in the sintered body
- [Zn] represents the number of zinc atoms per unit volume in the sintered body
- [Mg] represents the number of magnesium atoms per unit volume in the sintered body.
- the sputtered surface of the above sintered body was polished with a cup grindstone, added to a diameter of 100 mm and a thickness of 5 mm, and bonded with a backing plate using an In-based alloy to form a sputtering target 1.
- the Balta resistance of this sputtering target 1 The resistivity of Target 1 was measured by the four-probe method using Ryoyu Chemical Co., Ltd., and was calculated based on the measured resistivity value. The calculated values of the Balta resistance are shown in Figure 1.
- the form in which zinc or magnesium is contained in the target 1 is a composite oxide of indium oxide-zinc oxide (for example, In) rather than zinc oxide (ZnO) or dispersed as magnesium oxide (Mg ⁇ ).
- indium oxide-zinc oxide for example, In
- ZnO zinc oxide
- Mg ⁇ magnesium oxide
- FIG. 2 shows a diagram representing an X-ray chart of the target 1.
- the vertical axis represents the intensity of the diffracted X-ray
- the horizontal axis represents the angle of the diffracted X-ray.
- the hexagonal layered compound composed of indium oxide and zinc oxide may be, for example, In Zn ⁇ , In Zn ⁇ , In ZnO, or the like having a general formula of In O (ZnO) (where m is an integer of 3 to 20).
- the indium oxide, zinc oxide, and magnesium oxide in the target 1 are, for example, in the form of a hexagonal layered compound composed of indium oxide and suboxide ii, and In Mg ⁇ composed of indium oxide and magnesium oxide. It is preferable that they are dispersed in the form.
- the Balta resistance of the target 1 does not become too large, and the discharge becomes stable during sputtering.
- the hexagonal layered compound composed of indium oxide and zinc oxide has a general formula of In ⁇ (ZnO) (where m is 3) such as, for example, InZnO, InZn ⁇ , and InZn ⁇ . 20 of
- the Balta resistance of the target 1 becomes less than 10 m ⁇ cm, and stable sputtering becomes possible.
- nodules were generated (Fig. 1).
- a transparent conductive film la having a thickness of 130 nm was formed on a slide glass at 200 ° C.
- the specific resistance and the light transmittance (400 nm, 450 nm) of the formed transparent conductive film la were measured.
- the measured specific resistance and light transmittance values are shown in FIG. Further, as a result of measuring the X-ray diffraction of this transparent conductive film la, no peak was observed and it was found that the film was amorphous.
- the transparent conductive film la was etched using a weak acid, no residue was generated and residue was generated (Fig. 1).
- Example 1 As described above, in Example 1, a transparent conductive film la which was amorphous but had an improved light transmittance at 400 to 450 nm was obtained.
- a sintered body is obtained by mixing, molding, and sintering the above powder in the same manner as in Example 1 except that the mixing ratio of the Mg ⁇ powder having a particle size of lxm or less is different. Obtained.
- the relative density of the obtained sintered body was determined by the same method as in Example 1 above. The calculated relative densities are shown in Figure 1.
- indium oxide, zinc oxide, and magnesium oxide in the sputtering target 2 of Example 2 are a hexagonal layered compound having the same form as in Example 1 described above, and In
- a transparent conductive film 2a having a thickness of 130 nm was formed on a slide glass at 200 ° C. in the same manner as in Example 1 above.
- the specific resistance and light transmittance (400 nm, 450 nm) of the formed transparent conductive film 2a were measured.
- the measured specific resistance and light transmittance values are shown in FIG. Further, as a result of measuring the X-ray diffraction of the transparent conductive film 2a, no peak was observed and it was found that the film was amorphous.
- the transparent conductive film 2a was etched using a weak acid, no residue was generated and the residue was generated (FIG. 1).
- a transparent conductive film 2a which is amorphous but has an improved light transmittance at 400 to 450 nm was obtained.
- the powder was mixed, molded and sintered in the same manner as in Examples 1 and 2 except that the mixing ratio of Mg ⁇ powder having a particle size of lxm or less was different, Got.
- the relative density of the obtained sintered body was determined by the same method as in Examples 1 and 2. The relative density obtained at this time is shown in FIG.
- a backing plate was attached to the sputtered surface of this sintered body to produce a sputtering target 3. Further, the Balta resistance of this target 3 was determined in the same manner as in Examples 1 and 2 above. Bulk resistance The values of the anti are shown in FIG. When sputtering was performed using this target 3, nodules were generated (Fig. 1).
- indium oxide, zinc oxide and magnesium oxide in the sputtering target 3 of Example 3 are formed of a hexagonal layered compound having the same form as in Examples 1 and 2, InMgO, Its presence in morphology was confirmed by X-ray diffraction.
- a 130 nm-thick transparent conductive film 3a was formed on a slide glass at 200 ° C. in the same manner as in Examples 1 and 2 above.
- the specific resistance and the light transmittance (400 nm, 450 nm) of the formed transparent conductive film 3a were measured.
- the measured specific resistance and light transmittance values are shown in FIG. Further, as a result of measuring the X-ray diffraction of this transparent conductive film 3a, no peak was observed and it was found that the film was amorphous. When the transparent conductive film 3a was etched using a weak acid, no residue was generated (FIG. 1).
- Example 3 As in Examples 1 and 2, a transparent conductive film 3a which was amorphous but improved in light transmittance at 400 to 450 nm was obtained.
- Example 4 a transparent conductive film 3a which was amorphous but improved in light transmittance at 400 to 450 nm was obtained.
- a backing plate was attached to the sputtered surface of this sintered body to produce a sputtering target 4. Further, in Example 11 above, The Balta resistance of this target 4 was determined in the same manner as in 3. The obtained values of the Balta resistance are shown in FIG. When sputtering was performed using this target 4, nodules were not generated (FIG. 1).
- indium oxide, zinc oxide, and magnesium oxide in the sputtering target 4 of the fourth embodiment were obtained by mixing a hexagonal layered compound having the same form as that of the above-described embodiment 13 with InMgO, Its presence in morphology was confirmed by X-ray diffraction.
- a transparent conductive film 4a having a thickness of 130 nm was formed on a slide glass at 200 ° C. in the same manner as in Example 1 above.
- the specific resistance and the light transmittance (400 nm, 450 nm) of the formed transparent conductive film 4a were measured.
- the measured specific resistance and light transmittance values are shown in FIG. Further, as a result of measuring the X-ray diffraction of this transparent conductive film 4a, no peak was observed and it was found that the film was amorphous. When the transparent conductive film 4a was etched using a weak acid, no residue was generated (FIG. 1).
- Example 4 As described above, in Example 4, as in Examples 13 to 13, the transparent conductive film 4a which was amorphous but improved in light transmittance at 400 to 450 nm was obtained.
- the above powders were mixed at a ratio, molded, and sintered to obtain a sintered body.
- the relative density of the obtained sintered body was determined by the same method as in Examples 14 to 14 above. The calculated relative densities are shown in Figure 1.
- the content of Zn, Mg, and Sn in the obtained sintered body was quantitatively analyzed by ICP emission spectrometry in the same manner as in Examples 14 to 14, and the raw material powders were mixed. It was confirmed that the prepared composition was maintained even in the sintered body. At this time, the specific value of the composition ratio in the sintered body confirmed is shown in FIG.
- M means a group consisting of Sn, Zr, and Ge, and particularly in Fig. 1, M represents any of Sn, Zr, and Ge.
- M is a unit in the sintered body Represents the number of Sn, Zr, and Ge atoms per volume.
- a backing plate was bonded to the sputtered surface of this sintered body to produce a sputtering target 5. Further, the Balta resistance of this target 5 was determined in the same manner as in Examples 14 to 14 above. The obtained values of the Balta resistance are shown in FIG. When sputtering was performed using this target 5, nodules were not generated (FIG. 1).
- indium oxide, zinc oxide, and magnesium oxide in the sputtering target 5 of the present Example 5 were obtained by using a hexagonal layered compound having the same form as that of Example 14 above, InMgO, Its presence in morphology was confirmed by X-ray diffraction.
- a transparent conductive film 5a having a thickness of 130 nm was formed on a slide glass at 200 ° C. in the same manner as in Example 14 above.
- the specific resistance and light transmittance (400 nm, 450 nm) of the formed transparent conductive film 5a were measured.
- the measured specific resistance and light transmittance values are shown in FIG. Further, as a result of measuring the X-ray diffraction of the transparent conductive film 5a, no peak was observed and it was found that the film was amorphous. When the transparent conductive film 5a was etched using a weak acid, no residue was generated (FIG. 1).
- Example 5 similarly to Examples 14 to 14, a transparent conductive film 5a which was amorphous but had improved light transmittance at 400 to 450 nm was obtained.
- Example 5 In the same manner as in Example 5, the above powder was mixed, molded, and sintered to obtain a sintered body.
- the relative density of the obtained sintered body was determined by the same method as in Examples 115. The calculated relative density is shown in FIG.
- Example 5 when the contents of Zn, Mg, and Sn in the obtained sintered body were quantitatively analyzed by the ICP emission spectrometry, the charge at the time of mixing the raw material powders was determined. The composition is baked It was confirmed that it was maintained even in the union. At this time, the specific value of the composition ratio in the sintered body confirmed is shown in FIG.
- a sputtering target 6 was manufactured by bonding a backing plate to the sputtered surface of this sintered body in the same manner as in Example 15 above. Further, the Balta resistance of this target 6 was determined in the same manner as in Examples 115. The obtained values of the Balta resistance are shown in FIG. When sputtering was performed using this target 6, nodules were not generated (Fig. 1).
- indium oxide, zinc oxide and magnesium oxide in the sputtering target 6 of the present Example 6 are composed of a hexagonal layered compound having the same form as in Example 15 above, InMgO, Its presence in morphology was confirmed by X-ray diffraction.
- a transparent conductive film 6a having a thickness of 130 nm was formed on a slide glass at 200 ° C. in the same manner as in Example 15 above.
- the specific resistance and light transmittance (400 nm, 450 nm) of the formed transparent conductive film 6a were measured.
- the measured specific resistance and light transmittance values are shown in FIG. Further, as a result of measuring the X-ray diffraction of this transparent conductive film 6a, no peak was observed and it was found that the film was amorphous. When the transparent conductive film 6a was etched with a weak acid, no residue was generated (FIG. 1).
- the transparent conductive film 6a which was amorphous but had improved light transmittance at 400 to 450 nm was obtained.
- a sputtering target 7 was manufactured by bonding a backing plate to the sputtered surface of this sintered body in the same manner as in Example 16 above. Further, the Balta resistance of this target 7 was determined in the same manner as in Example 16 above. The obtained values of the Balta resistance are shown in FIG. When sputtering was performed using this target 7, nodules were not generated (FIG. 1).
- indium oxide, zinc oxide and magnesium oxide in the sputtering target 7 of Example 7 are a hexagonal layered compound having the same form as that of Example 16 above, InMgO, Its presence in morphology was confirmed by X-ray diffraction.
- a 130 nm-thick transparent conductive film 7a was formed on a slide glass at 200 ° C. in the same manner as in Example 16 above.
- the specific resistance and the light transmittance (400 nm, 450 nm) of the formed transparent conductive film 7a were measured.
- the measured specific resistance and light transmittance values are shown in FIG. Further, as a result of measuring the X-ray diffraction of the transparent conductive film 7a, no peak was observed and it was found that the film was amorphous. When the transparent conductive film 7a was etched using a weak acid, no residue was generated (FIG. 1).
- Example 7 As described above, in the present Example 7, as in the case of Example 16 described above, a transparent conductive film 7a which was amorphous but had improved light transmittance at 400 to 450 nm was obtained.
- Example 4 except that ZrO powder was mixed at a predetermined ratio, the same composition as in Example 4 above was used.
- the above powders were mixed at a ratio, molded, and sintered to obtain a sintered body.
- the relative density of the obtained sintered body was determined by the same method as in Example 17 above. The calculated relative densities are shown in Figure 1.
- Example 17 Next, in the same manner as in Example 17 above, a backing plate was bonded to the sputtered surface of this sintered body to produce a sputtering target 8. Further, the Balta resistance of this target 8 was determined in the same manner as in Example 17 above. The obtained values of the Balta resistance are shown in FIG. When sputtering was performed using this target 8, nodules were not generated (FIG. 1).
- indium oxide, zinc oxide and magnesium oxide in the sputtering target 8 of the eighth embodiment are composed of a hexagonal layered compound having the same form as that of the above-mentioned Example 17; InMgO; Its presence in morphology was confirmed by X-ray diffraction.
- a transparent conductive film 8a having a thickness of 130 nm was formed on a slide glass at 200 ° C. in the same manner as in Example 17 above.
- the specific resistance and light transmittance (400 nm, 450 nm) of the formed transparent conductive film 8a were measured.
- the measured specific resistance and light transmittance values are shown in FIG. Further, as a result of measuring the X-ray diffraction of this transparent conductive film 8a, no peak was observed and it was found that the film was amorphous. When the transparent conductive film 8a was etched using a weak acid, no residue was generated (FIG. 1).
- Example 8 As described above, in Example 8, as in Example 17 described above, a transparent conductive film 8a which was amorphous but had improved light transmittance at 400 to 450 nm was obtained.
- Example 8 The same composition as in Example 8 except that GeO powder was mixed instead of ZrO powder.
- the above powders were mixed at a ratio, molded, and sintered to obtain a sintered body.
- the relative density of the obtained sintered body was determined by the same method as in Example 18 above. The calculated relative densities are shown in Figure 1.
- a sputtering target 9 was manufactured by bonding a backing plate to the sputtered surface of this sintered body in the same manner as in Example 18 above. Further, the Balta resistance of this target 9 was determined in the same manner as in Example 18 above. The obtained values of the Balta resistance are shown in FIG. When sputtering was performed using this target 9, nodules were not generated (FIG. 1).
- indium oxide, zinc oxide and magnesium oxide in the sputtering target 9 of the ninth embodiment correspond to a hexagonal layered compound having the same form as that of the above-mentioned embodiment 18; InMgO; Its presence in morphology was confirmed by X-ray diffraction.
- a 130 nm-thick transparent conductive film 9a was formed on a slide glass at 200 ° C. in the same manner as in Example 18 above.
- the specific resistance and light transmittance (400 nm, 450 nm) of the formed transparent conductive film 9a were measured.
- the measured specific resistance and light transmittance values are shown in FIG. Further, as a result of measuring the X-ray diffraction of this transparent conductive film 9a, no peak was observed and it was found that the film was amorphous. When this transparent conductive film 9a was etched using a weak acid, no residue was generated (FIG. 1).
- a transparent conductive film 9a which was amorphous but improved in light transmittance at 400 to 450 nm was obtained.
- the sputtering target of the present invention is not particularly limited except that it contains three components of indium oxide, zinc oxide, and magnesium oxide at a predetermined ratio. Therefore, for example, it can be manufactured by mixing, molding, and sintering the powder composed of the above three components using a known method.
- the sputtering target was used. Contains a predetermined ratio of SnO, ZrO, or GeO in addition to the above three components.
- GaO, CeO, or the like is also preferable to contain GaO, CeO, or the like as a component other than these. Also,
- GaO When GaO is added to the target, InGaMgO, InGaMgO, InGaMgO,
- they are dispersed.
- the sputtering target of Example 10 is different from the above-described Sn-based alloy in addition to the three components of indium oxide, zinc oxide, and magnesium oxide.
- the sputtering target of the tenth embodiment has the same operation and effect as the sputtering target of the 19th embodiment.
- a transparent conductive film formed using such a sputtering target also has the same operation and effect as the transparent conductive film of Example 19-19.
- Example 19 Using a commercially available ITO target, that is, a sputtering target composed of indium oxide and tin oxide, the same treatment and operation as in Example 19 above were performed.
- the relative density, composition ratio, and Balta resistance of the ITO target were determined in the same manner as in Example 19 above.
- the obtained relative density, composition ratio, and Balta resistance values are shown in FIG. [X] in FIG. 1 represents the number of Sn or Zn atoms per unit volume in the target.
- nodules were generated (Fig. 1).
- a transparent conductive film having a thickness of 130 nm was formed on a slide glass at 200 ° C. in the same manner as in Example 19 above.
- the specific resistance and the light transmittance (400 nm, 450 nm) of the formed transparent conductive film were measured.
- the measured specific resistance and light transmittance values are shown in FIG.
- this transparent conductive film When etching was performed using a weak acid, residues were generated (Fig. 1).
- IZ ⁇ indium monozinc oxide: “IZO” is a registered trademark
- IZO indium monozinc oxide
- the relative density, composition ratio, and Balta resistance of the IZ ⁇ target were determined in the same manner as in Example 119 above. The obtained relative density, composition ratio, and Balta resistance values are shown in FIG. When sputtering was performed using this IZ ⁇ target, nodules were generated (Fig. 1).
- a transparent conductive film having a thickness of 130 nm was formed on a slide glass at 200 ° C. in the same manner as in Example 19 above.
- the specific resistance and the light transmittance (400 nm, 450 nm) of the formed transparent conductive film were measured.
- the measured specific resistance and light transmittance values are shown in FIG.
- this transparent conductive film was etched using a weak acid, no residue was generated (FIG. 1).
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Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020067021853A KR101168447B1 (ko) | 2004-04-21 | 2005-02-23 | 산화인듐-산화아연-산화마그네슘계 스퍼터링 타겟 및 투명 도전막 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2004-125429 | 2004-04-21 | ||
| JP2004125429A JP4488184B2 (ja) | 2004-04-21 | 2004-04-21 | 酸化インジウム−酸化亜鉛−酸化マグネシウム系スパッタリングターゲット及び透明導電膜 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/002903 Ceased WO2005103320A1 (ja) | 2004-04-21 | 2005-02-23 | 酸化インジウム−酸化亜鉛−酸化マグネシウム系スパッタリングターゲット及び透明導電膜 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4488184B2 (ja) |
| KR (1) | KR101168447B1 (ja) |
| CN (1) | CN100564579C (ja) |
| TW (2) | TWI507575B (ja) |
| WO (1) | WO2005103320A1 (ja) |
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| WO2013065784A1 (ja) * | 2011-11-04 | 2013-05-10 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット、並びにその製造方法 |
| WO2013065786A1 (ja) * | 2011-11-04 | 2013-05-10 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット、並びにその製造方法 |
| CN103715234A (zh) * | 2012-09-28 | 2014-04-09 | 财团法人工业技术研究院 | p型金属氧化物半导体材料 |
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| TWI473896B (zh) * | 2008-06-27 | 2015-02-21 | Idemitsu Kosan Co | From InGaO 3 (ZnO) crystal phase, and a method for producing the same |
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| US9039944B2 (en) | 2011-07-06 | 2015-05-26 | Idemitsu Kosan Co., Ltd. | Sputtering target |
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| CN104291792A (zh) * | 2014-09-28 | 2015-01-21 | 桂林电子科技大学 | 一种氧化物陶瓷靶材及其制备方法 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0754132A (ja) * | 1993-08-11 | 1995-02-28 | Tosoh Corp | Ito焼結体及びスパッタリングターゲット |
| WO2003008661A1 (en) * | 2001-07-17 | 2003-01-30 | Idemitsu Kosan Co., Ltd. | Sputtering target and transparent conductive film |
| JP2003105532A (ja) * | 2001-06-26 | 2003-04-09 | Mitsui Mining & Smelting Co Ltd | 高抵抗透明導電膜用スパッタリングターゲット及び高抵抗透明導電膜の製造方法 |
| JP2004149883A (ja) * | 2002-10-31 | 2004-05-27 | Mitsui Mining & Smelting Co Ltd | 高抵抗透明導電膜用スパッタリングターゲット及び高抵抗透明導電膜の製造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4837811B2 (ja) * | 1998-04-09 | 2011-12-14 | 出光興産株式会社 | 有機エレクトロルミネッセンス素子 |
| CN1281544C (zh) * | 1998-08-31 | 2006-10-25 | 出光兴产株式会社 | 透明导电膜用靶、透明导电材料、透明导电玻璃及透明导电薄膜 |
| TW570909B (en) * | 2001-06-26 | 2004-01-11 | Mitsui Mining & Smelting Co | Sputtering target for forming transparent conductive film of high electric resistance and method for producing transparent conductive film of high electric resistance |
| JP2005272946A (ja) * | 2004-03-25 | 2005-10-06 | Sumitomo Metal Mining Co Ltd | 誘電体膜用の複合焼結ターゲット材とその製造方法 |
| JP4488184B2 (ja) * | 2004-04-21 | 2010-06-23 | 出光興産株式会社 | 酸化インジウム−酸化亜鉛−酸化マグネシウム系スパッタリングターゲット及び透明導電膜 |
-
2004
- 2004-04-21 JP JP2004125429A patent/JP4488184B2/ja not_active Expired - Fee Related
-
2005
- 2005-02-23 WO PCT/JP2005/002903 patent/WO2005103320A1/ja not_active Ceased
- 2005-02-23 CN CNB2005800097523A patent/CN100564579C/zh not_active Expired - Fee Related
- 2005-02-23 KR KR1020067021853A patent/KR101168447B1/ko not_active Expired - Fee Related
- 2005-03-24 TW TW102106926A patent/TWI507575B/zh not_active IP Right Cessation
- 2005-03-24 TW TW094109151A patent/TWI394872B/zh not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0754132A (ja) * | 1993-08-11 | 1995-02-28 | Tosoh Corp | Ito焼結体及びスパッタリングターゲット |
| JP2003105532A (ja) * | 2001-06-26 | 2003-04-09 | Mitsui Mining & Smelting Co Ltd | 高抵抗透明導電膜用スパッタリングターゲット及び高抵抗透明導電膜の製造方法 |
| WO2003008661A1 (en) * | 2001-07-17 | 2003-01-30 | Idemitsu Kosan Co., Ltd. | Sputtering target and transparent conductive film |
| JP2004149883A (ja) * | 2002-10-31 | 2004-05-27 | Mitsui Mining & Smelting Co Ltd | 高抵抗透明導電膜用スパッタリングターゲット及び高抵抗透明導電膜の製造方法 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9589695B2 (en) | 2009-10-06 | 2017-03-07 | Jx Nippon Mining & Metals Corporation | Indium oxide transparent conductive film |
| US10037830B2 (en) | 2009-10-06 | 2018-07-31 | Jx Nippon Mining & Metals Corporation | Indium oxide transparent conductive film |
| WO2013065784A1 (ja) * | 2011-11-04 | 2013-05-10 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット、並びにその製造方法 |
| WO2013065786A1 (ja) * | 2011-11-04 | 2013-05-10 | 株式会社コベルコ科研 | 酸化物焼結体およびスパッタリングターゲット、並びにその製造方法 |
| JP2013095656A (ja) * | 2011-11-04 | 2013-05-20 | Kobelco Kaken:Kk | 酸化物焼結体およびスパッタリングターゲット、並びにその製造方法 |
| JP2013095655A (ja) * | 2011-11-04 | 2013-05-20 | Kobelco Kaken:Kk | 酸化物焼結体およびスパッタリングターゲット、並びにその製造方法 |
| CN103715234A (zh) * | 2012-09-28 | 2014-04-09 | 财团法人工业技术研究院 | p型金属氧化物半导体材料 |
| CN103715234B (zh) * | 2012-09-28 | 2016-05-04 | 财团法人工业技术研究院 | p型金属氧化物半导体材料 |
| WO2021090790A1 (ja) * | 2019-11-08 | 2021-05-14 | 出光興産株式会社 | 積層体及び半導体装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI507575B (zh) | 2015-11-11 |
| CN100564579C (zh) | 2009-12-02 |
| KR20070006854A (ko) | 2007-01-11 |
| TW200535283A (en) | 2005-11-01 |
| CN101124348A (zh) | 2008-02-13 |
| JP4488184B2 (ja) | 2010-06-23 |
| TWI394872B (zh) | 2013-05-01 |
| KR101168447B1 (ko) | 2012-07-25 |
| JP2005307269A (ja) | 2005-11-04 |
| TW201341603A (zh) | 2013-10-16 |
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