WO2004005186A1 - 紫外域で発光するsp3結合型窒化ホウ素とその製造方法、及びこれを利用した機能性材料 - Google Patents
紫外域で発光するsp3結合型窒化ホウ素とその製造方法、及びこれを利用した機能性材料 Download PDFInfo
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- WO2004005186A1 WO2004005186A1 PCT/JP2003/008370 JP0308370W WO2004005186A1 WO 2004005186 A1 WO2004005186 A1 WO 2004005186A1 JP 0308370 W JP0308370 W JP 0308370W WO 2004005186 A1 WO2004005186 A1 WO 2004005186A1
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
- C23C14/0026—Activation or excitation of reactive gases outside the coating chamber
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- 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
- C23C14/0641—Nitrides
- C23C14/0647—Boron nitride
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- 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
- C23C14/24—Vacuum evaporation
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/30—Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
- C23C16/34—Nitrides
- C23C16/342—Boron nitride
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/48—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating by irradiation, e.g. photolysis, radiolysis, particle radiation
- C23C16/482—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating by irradiation, e.g. photolysis, radiolysis, particle radiation using incoherent light, UV to IR, e.g. lamps
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
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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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/513—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using plasma jets
Definitions
- the present invention relates to sp 3 -bonded boron nitride represented by the general formula: BN, which has a novel crystal structure of a hexagonal 5 H-type or 6 H-type polymorph structure, and a method for producing the same. It relates to uses utilizing its physical properties.
- a general formula used as an electronic material in particular, a light emitting diode, an ultraviolet solid laser, an electron emitting material, a surface coating material for a cutting tool, etc .; represented by BN, and a hexagonal 5H type or 6 type
- the present invention relates to an sp3-bonded boron nitride having an H-type polymorphic structure and having a characteristic of emitting light in an ultraviolet region, a method for producing the same, and uses thereof.
- Boron nitride is a substance that has been mainly used in industrial applications as a heat-resistant and wear-resistant material.In recent years, it has been taken up as a research target as part of the research and development of boron compounds that are expected to be newly created. , It is also a substance that is attracting attention.
- sp3-bonded BN As for sp3-bonded BN, the ones known so far are cubic (3C polymorph) and wurtzite (2H polymorph).
- the present inventors have conducted intensive research on sP3-bonded boron nitride represented by the general formula: BN as a part of the above-mentioned research, and as a result, this time, a completely new crystal structure
- sp3-bonded boron nitride which has an extremely interesting, important and unique property of emitting light in the ultraviolet region.
- the present invention has been made based on this finding. That is, the present invention
- the purpose of the present invention is to provide a silicon nitride having a new structure, a new structure, and a crystalline structure, a method for producing the same, and a use thereof. Disclosure of the invention
- the present inventors have further studied intensively about sp 3 -bonded boron nitride, and as a result, by adopting the technical configurations described in the following (1) to (12), there is no Providing boron nitride with a novel structure and properties and producing it with reproducibility, and succeeding in providing materials used for new applications by utilizing its unique properties Things.
- the technical structure adopted is based on the requirements described in (1) to (12) below.
- the first technical configuration discloses a configuration of boron nitride having a novel structure and properties aimed at by the present invention.
- the first invention is that (1) a general formula; represented by BN, having a hexagonal 5H-type or 6H-type polymorphic structure, and having a characteristic of emitting light in an ultraviolet region. It is an sp3-bonded boron nitride characterized by the following.
- the technical configurations described in the second to eighth present the method for producing the boron nitride compound of the first invention.
- the second invention provides (2) a reaction mixture gas containing boron and nitrogen diluted with a diluent gas and introduced into a reaction vessel, and the surface of the substrate placed in the vessel, the growth surface on the substrate, or in the vicinity thereof
- the growth space region is irradiated with ultraviolet light, and has a crystal structure represented by the general formula: BN, which belongs to a hexagonal system, and emits light in the ultraviolet region by a gas phase reaction.
- Sp having the property of emitting light This is a method for producing three-bonded boron nitride.
- the third invention is as follows.
- the diluent gas is a rare gas, hydrogen, or nitrogen alone or a mixed gas, and the ratio of the reaction gas to the diluent gas is 100: 0.0001 to 100% by volume. It has a hexagonal 5H-type or 6H-type polymorphic structure represented by BN, and has a characteristic of emitting light in the ultraviolet region, as described in the above item (2). This is a method for producing sp3-bonded boron nitride.
- a reaction gas containing nitrogen is diluted with a diluting gas and introduced into a reaction vessel, and boron nitride is introduced into the reaction vessel as a boron raw material;
- An ultraviolet light laser with a wavelength of 190 nm to 400 nm is condensed and irradiated on the raw material to vaporize and generate boron-containing radicals or BN precursors, and the substrate surface placed in the reaction vessel and the growth surface on the substrate Alternatively, the growth space region is irradiated with ultraviolet rays in the vicinity, and a gas phase reaction between a nitrogen-containing reaction gas and a boron-containing radical, or a re-solidification reaction of a vaporized BN precursor substance, is performed on the substrate.
- sp 3 -bonded boron nitride represented by BN having a hexagonal 5 H-type or 6 H-type polymorphic structure and having a characteristic of emitting light in the ultraviolet region.
- Characterized by the general formula: BN The present invention relates to a method for producing sp 3 -bonded boron nitride having a hexagonal 5 H-type or 6 H-type polymorphic structure and having characteristics of emitting light in the ultraviolet region.
- a reaction gas containing nitrogen is diluted with a diluting gas and introduced into a reaction vessel, and boron nitride is introduced into the reaction vessel as a boron raw material; Is irradiated with plasma along with an ultraviolet light laser having a wavelength of 190 nm to 400 nm to vaporize and generate boron-containing radicals or BN precursors.
- a hexagonal 5H-type or 6H-type polymorphic structure represented by the general formula: BN is formed on a substrate by a gas phase reaction with calcium or a resolidification reaction of a vaporized BN precursor substance.
- Its sixth invention is (6) a single or mixed gas of diluent gas a noble gas, hydrogen, nitrogen, the proportion of the reaction gas to diluent gas, 1 0 0: 0 0 0 vol 0/0 (4) or (5), having the general formula: BN, a hexagonal 5 H-type or 6 H-type polymorphic structure, and light emission in the ultraviolet region.
- This is a method for producing sp3-bonded boron nitride having the following characteristics.
- the seventh invention is: (7)
- the ultraviolet light laser is a pulsed laser, as described in the above (4) or (5), which is represented by the general formula; This is a method for producing sp 3 -bonded boron nitride having a hexagonal 5 H-type or 6 H-type polymorphic structure and having characteristics of emitting light in the ultraviolet region.
- the eighth invention is characterized in that: (8) the plasma is packetized by modulating the plasma in synchronization with a laser pulse, and has excellent crystallinity; a general formula: BN; (5) or (7), wherein sp 3 -bonded boron nitride having a polymorphic structure or a 6 H-type polymorphic structure and having a characteristic of emitting light in the ultraviolet region is produced, deposited, and grown.
- the ninth invention is: (9) The general formula described in the above (1), represented by BN, having a hexagonal 5 H-type or 6 H-type polymorphic structure, and emitting light in the ultraviolet region.
- a functional material comprising sp3-bonded boron nitride having the following characteristics, and provided for use based on the characteristics of the boron nitride compound containing the same, and characterized in that it is used: .
- the tenth invention is: (10) The functional material according to the above (9), wherein the functional material is provided and used as a material that emits light only in the ultraviolet region.
- the eleventh invention is (11) a functional material according to the above (9), characterized in that its use is exclusively provided and used as an electronic material, particularly as a light emitting diode.
- the first and second inventions are (1 2) the functional material according to the above (9), characterized in that its use is exclusively provided and used as a surface coating material for a cutting tool.
- the matters described in (1) above are compounds intended for the present invention, that is, a compound represented by the general formula: BN, having a hexagonal 5 H-type or 6 H-type polymorphic structure, and an ultraviolet region.
- the present invention discloses a structure of sp 3 -bonded boron nitride having a characteristic of emitting light at the same time.
- the sp 3 bond type boron nitride which has been known so far is a cubic crystal (3C polymorph) and a wurtzite type (2H polymorph). It is a hexagonal 5 H or 6 H polymorphic structure completely different from that described above, and has a feature of emitting light in the ultraviolet region, as described above.
- the nitride nitride that emits light in the ultraviolet region (200-400 nm) has been used.
- Nitrogen is completely unknown, has a hexagonal 5 H-type or 6 H-type polymorphic structure, and BN that emits light in the ultraviolet region has not been obtained.
- the present invention provides a boron nitride having a completely novel structure and characteristics.
- the matters described in (2) to (8) above disclose a novel method for producing boron nitride having the configuration described in (1), and thereby reproduce the boron nitride described in (1) above. It discloses a configuration for manufacturing with high performance.
- the reaction vessel used is a CVD reaction vessel having a structure schematically shown in FIG. That is, in FIG.
- the reaction vessel 1 has a gas inlet 2 for introducing a reaction gas and its dilution gas, and a gas outlet 3 for exhausting the introduced reaction gas and the like to the outside of the vessel. It is connected to a vacuum pump and is maintained at a reduced pressure below atmospheric pressure.
- a boron nitride deposition substrate 4 is set in the gas flow path in the container, and an optical window 5 is attached to a part of the wall of the reaction container facing the substrate, and the substrate is exposed to ultraviolet light through this window.
- the excimer ultraviolet laser device 6 is set so that the laser beam is irradiated.
- the reaction gas introduced into the reaction vessel is excited by the ultraviolet light irradiated on the substrate surface, and the nitrogen source and the boron source in the reaction gas undergo a gas phase reaction, and the general formula: BN is formed on the substrate.
- Sp3-bonded boron nitride that has a hexagonal 5H-type or 6H-type polymorphic structure and has the property of emitting light in the ultraviolet region is generated, deposited, or grown.
- the pressure in the reaction vessel can be set in a wide range from 0.001 to 760 Torr
- the substrate temperature can be set in a wide range from room temperature to 1200 ° C.
- the pressure was low and the reaction was preferably carried out at a high temperature in order to obtain the desired reaction product with high purity.
- the surface of the substrate or its surrounding space is irradiated with ultraviolet light to be excited.
- an embodiment in which the plasma is also irradiated is one embodiment.
- the plasma torch 7 shows this mode, and the reaction gas inlet and the plasma torch are integrally set toward the substrate so that the reaction gas and the plasma are irradiated toward the substrate.
- a mixed gas containing a nitrogen source and a boron source can be used as a reaction raw material.
- FIG. 4 shows an embodiment of the reaction in that case. That is, a BN target and a substrate are set in advance in the reaction vessel. In this disclosed example, a mode is shown in which only ammonia gas as a nitrogen source gas is diluted with Ar gas and introduced into the reaction vessel from the plasma torch nozzle. It is not limited to this. That is, it will be apparent to those skilled in the art that a nitrogen-containing gas other than ammonia or another rare gas may be used.
- the introduced gas is converted into plasma and irradiated to the BN target.
- the target is also irradiated with an excimer laser beam in addition to the plasma, whereby the target vaporizes its components and generates nitrogen, boron radicals, or BN-based precursor substances.
- a compound aimed at by a gas phase reaction such as a generated radical or a resolidification reaction of a vaporized component, that is, a general formula; represented by BN, having a hexagonal 5 H-type or 6 H-type polymorphic structure, and s p 3 bonded boron nitride comprising a characteristic of emitting light in ultraviolet region is out analysis on the substrate, or to grow.
- the pressure in the reaction vessel can be set in a wide range from 0.001 to 760 Torr, and the substrate temperature can be set in a wide range from room temperature to 1200 ° C. What is possible is the same as the embodiment described in (2).
- the reaction product also adheres to the excimer laser irradiation optical window, which lowers the transmittance of laser light and hinders the reaction to obtain the target product. It is important to take measures to prevent such deposition on the container wall.
- one mode means is to blow argon gas onto the optical window to form a kind of air curtain.
- FIG. 1 is a diagram showing an outline of a synthesis reaction vessel of the present invention and a synthesis mode thereof.
- ⁇ Fig. 2 shows the X-ray diffraction pattern of the sp3-bonded hexagonal 5H-type BN (Example 1) of the present invention.
- FIG. 3 is an X-ray diffraction pattern of the sp3-bonded hexagonal 6H-type BN (Example 2) of the present invention.
- FIG. 4 is a diagram showing an outline of a synthesis reaction container of the present invention and a synthesis mode using this container.
- FIG. 5 is an electron diffraction pattern of the sp3-bonded hexagonal 5 H-type BN (Example 5) of the present invention.
- FIG. 6 is a diagram showing an SEM image (a), a CL image (b), and a CL spectrum (c) of the sp3-bonded hexagonal 5H-type polymorphic structure BN (Example 7) of the present invention. Description of the association
- an object of the present invention is a sp 3 bond represented by a general formula; BN, which has a hexagonal 5 H-type or 6 H-type polymorphic structure and has a property of emitting light in an ultraviolet region.
- BN which has a hexagonal 5 H-type or 6 H-type polymorphic structure and has a property of emitting light in an ultraviolet region.
- Example 1 is merely examples of the integrated use, and the present invention should not be limited by these examples.
- Example 1 is merely examples of the integrated use, and the present invention should not be limited by these examples.
- a diborane flow rate of 5 sccm and an ammonia flow rate of 10 sccm are introduced into a mixed diluent gas flow with an argon flow rate of 3 SLM and a hydrogen flow rate of 100 sccm, and the pressure is maintained at 20 T 0 rr by simultaneously evacuating with a pump.
- Excimer laser ultraviolet light was irradiated onto a silicon substrate maintained at 850 ° C. by heating in an atmosphere (see FIG. 1). The target substance was obtained with a synthesis time of 90 minutes.
- Figure 2 shows the X-ray diffraction pattern. Table 1 shows the diffraction results of this pattern.
- a diborane flow rate of 100 sccm and an ammonia flow rate of 20 sccm are introduced into a mixed diluent gas flow with an argon flow rate of 2 SLM and a hydrogen flow rate of 100 sccm, and the pressure is reduced by pumping out the gas at a rate of 20 sccm.
- Excimer laser-ultraviolet light was irradiated on a silicon substrate maintained at 850 ° C by heating in an atmosphere maintained at Torr.
- the target substance was obtained with a synthesis time of 90 minutes.
- Example 4
- a diborane flow rate of 5 sccm and an ammonia flow rate of 10 sccm were introduced into a mixed dilution gas flow with an argon flow rate of 2 SLM and a hydrogen flow rate of 50 sccm, and the pressure was maintained at 2 ° Torr by simultaneously evacuating with a pump.
- an RF plasma with an output of 600 w and a frequency of 13.5 MHz was generated and heated to 850. Hold on C
- the target substance was obtained with a synthesis time of 90 minutes.
- Example 5
- An ultraviolet light pulse with a wavelength of 193 nm was applied to the solid surface of the boron nitride raw material in an atmosphere maintained at a pressure of 1 OT orr by introducing an argon flow rate of 2 SLM and an ammonia flow rate of 1 sccm, and simultaneously evacuating with a pump.
- a laser is used to collect and irradiate the laser using a lens, and a so-called laser ablation is used to generate a precursor substance.
- the plasma generated in the same reactor is simultaneously irradiated to the boron nitride solid surface by the plasma generated by the generator. ( Figure 4).
- the target substance was obtained with a synthesis time of 90 minutes.
- Example 7
- Pulsed laser is used to collect and irradiate with a lens to generate precursor substances by so-called laser ablation, while plasma generated by the plasma generator installed in the same reactor is simultaneously irradiated to the boron nitride solid surface ( Figure 4).
- plasma duty ratio 50%
- the plasma is packetized, which has a chemical and physical effect on the growth of the precursor substance, and Urged the improvement of sex.
- the target substance was obtained with a synthesis time of 90 minutes.
- Fig. 6 (a) shows a scanning electron microscope image of this sample.
- FIG. 6B shows a cathodoluminescence image obtained by irradiating 2 OK eV with an electron beam at 230 ⁇ m. UV light emission over the entire sample area It can be seen that is seen.
- Figure 6 (c) shows the spectrum obtained by cathodoluminescence by 2 OK eV electron beam irradiation. It can be seen that light emission is sharp at 225 nm. It can also be seen that broad ultraviolet emission at 300 nm is observed.
- the sp3-bonded hexagonal 5H to 6H type BN has a sharp emission at an ultraviolet wavelength of 225 nm, which is almost the limit that can be used in the atmosphere that can enter vacuum ultraviolet light, so that solid-state ultraviolet lasers can be used for practical use. It is very promising as a material. If solid-state ultraviolet lasers are put into practical use, the dramatic increase in the capacity of writable storage media, the chemical, medical, electronic industries, and other technical ripple effects will be immeasurable.
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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EP03738617A EP1518824B1 (en) | 2002-07-02 | 2003-07-01 | sp3 BOND BORON NITRIDE EMITTING LIGHT IN ULTRAVIOLET REGION, ITS PRODUCING METHOD, AND FUNCTIONAL MATERIAL USING SAME |
US10/518,644 US7419572B2 (en) | 2002-07-02 | 2003-07-01 | Sp3 bond boron nitride emitting light in ultraviolet region, its producing method, and functional material using same |
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Application Number | Priority Date | Filing Date | Title |
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JP2002-192863 | 2002-07-02 | ||
JP2002192863A JP3598381B2 (ja) | 2002-07-02 | 2002-07-02 | 一般式;BNで示され、六方晶系5H型ないしは6H型多形構造を有し、紫外域で発光するsp3結合型窒化ホウ素とその製造方法、及びこれを利用した機能性材料 |
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WO2004005186A1 true WO2004005186A1 (ja) | 2004-01-15 |
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US (1) | US7419572B2 (ja) |
EP (1) | EP1518824B1 (ja) |
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WO (1) | WO2004005186A1 (ja) |
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EP1670015A1 (en) * | 2003-08-29 | 2006-06-14 | National Institute for Materials Science | sp sp 3 /sp BONDING BORON NITRIDE THIN FILM HAVING SELF-FORMING SURFACE SHAPE BEING ADVANTAGEOUS IN EXHIBITING PROPERTY OF EMITTING ELECTRIC FIELD ELECTRONS, METHOD FOR PREPARATION THEREOF AND USE THEREOF |
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JP2006079873A (ja) * | 2004-09-08 | 2006-03-23 | National Institute For Materials Science | 深紫外線固体発光装置 |
JP4677629B2 (ja) * | 2004-12-22 | 2011-04-27 | 独立行政法人物質・材料研究機構 | 窒化ホウ素膜表面に先端の尖った結晶が自己相似性フラクタル模様を呈して電子放出に適った密度で二次元分布してなる窒化ホウ素薄膜エミッターとその製造方法 |
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JP4859173B2 (ja) | 2005-07-01 | 2012-01-25 | 独立行政法人物質・材料研究機構 | 遠紫外高輝度発光する高純度六方晶窒化ホウ素単結晶粉末とその製造方法 |
HU227333B1 (en) * | 2005-09-30 | 2011-03-28 | Univ Szegedi | Method and target-carrier arrangement for building uniform thickness homogeneous coating made of plasm that produced by pulse laser, as well as the coating |
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US8796151B2 (en) * | 2012-04-04 | 2014-08-05 | Ultratech, Inc. | Systems for and methods of laser-enhanced plasma processing of semiconductor materials |
JP2014075527A (ja) * | 2012-10-05 | 2014-04-24 | Nippon Telegr & Teleph Corp <Ntt> | 半導体素子構造およびその作製法 |
JPWO2016031019A1 (ja) * | 2014-08-28 | 2017-06-15 | 国立大学法人九州大学 | レーザ照射装置及びレーザ照射方法 |
KR101874225B1 (ko) | 2017-01-04 | 2018-07-03 | 포항공과대학교 산학협력단 | 질화물 반도체 물질의 제조 방법 |
KR20210027893A (ko) * | 2019-09-03 | 2021-03-11 | 삼성전자주식회사 | 육방정계 질화붕소의 제조 방법 |
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- 2003-07-01 WO PCT/JP2003/008370 patent/WO2004005186A1/ja active Application Filing
- 2003-07-01 US US10/518,644 patent/US7419572B2/en not_active Expired - Fee Related
- 2003-07-01 EP EP03738617A patent/EP1518824B1/en not_active Expired - Fee Related
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JPH0379770A (ja) * | 1989-08-19 | 1991-04-04 | Semiconductor Energy Lab Co Ltd | 窒化ホウ素の作製方法 |
JPH054808A (ja) * | 1991-06-24 | 1993-01-14 | Sumitomo Electric Ind Ltd | 窒化硼素膜の製造方法 |
US5286533A (en) * | 1992-06-25 | 1994-02-15 | National Institute For Research In Inorganic Materials | Method of making hard boron nitride by a plasma CVD method employing beam irradiation |
JPH107409A (ja) * | 1996-06-25 | 1998-01-13 | Natl Inst For Res In Inorg Mater | sp3 結合型窒化ホウ素の製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1670015A1 (en) * | 2003-08-29 | 2006-06-14 | National Institute for Materials Science | sp sp 3 /sp BONDING BORON NITRIDE THIN FILM HAVING SELF-FORMING SURFACE SHAPE BEING ADVANTAGEOUS IN EXHIBITING PROPERTY OF EMITTING ELECTRIC FIELD ELECTRONS, METHOD FOR PREPARATION THEREOF AND USE THEREOF |
EP1670015A4 (en) * | 2003-08-29 | 2007-02-21 | Nat Inst For Materials Science | SP SP 3 / SP BOND BORN NITRIDE THIN FILM WITH SELF-FORMING SURFACE FORMAT WITH ADVANTAGES IN DISPLAYING THE PROPERTIES OF EMITTING ELECTRIC FIELD ELECTRONICS, METHOD OF MANUFACTURING THEREOF AND USE THEREOF |
Also Published As
Publication number | Publication date |
---|---|
US7419572B2 (en) | 2008-09-02 |
JP3598381B2 (ja) | 2004-12-08 |
US20060163527A1 (en) | 2006-07-27 |
EP1518824A4 (en) | 2009-06-17 |
EP1518824B1 (en) | 2012-09-05 |
JP2004035301A (ja) | 2004-02-05 |
EP1518824A1 (en) | 2005-03-30 |
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