WO2014178281A1 - 単結晶ダイヤモンドおよびダイヤモンド工具 - Google Patents
単結晶ダイヤモンドおよびダイヤモンド工具 Download PDFInfo
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- WO2014178281A1 WO2014178281A1 PCT/JP2014/060795 JP2014060795W WO2014178281A1 WO 2014178281 A1 WO2014178281 A1 WO 2014178281A1 JP 2014060795 W JP2014060795 W JP 2014060795W WO 2014178281 A1 WO2014178281 A1 WO 2014178281A1
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- single crystal
- crystal diamond
- diamond
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/04—Diamond
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/25—Diamond
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/25—Diamond
- C01B32/26—Preparation
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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
- C23C16/22—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
- C23C16/26—Deposition of carbon only
- C23C16/27—Diamond only
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/18—Epitaxial-layer growth characterised by the substrate
- C30B25/186—Epitaxial-layer growth characterised by the substrate being specially pre-treated by, e.g. chemical or physical means
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/18—Epitaxial-layer growth characterised by the substrate
- C30B25/20—Epitaxial-layer growth characterised by the substrate the substrate being of the same materials as the epitaxial layer
Definitions
- the present invention relates to a single crystal diamond and a diamond tool, and more particularly to a single crystal diamond capable of improving the performance of the diamond tool and a diamond tool including the single crystal diamond.
- diamonds produced by natural diamond or high temperature high pressure method are used as diamond tools such as cutting tools and wear-resistant tools.
- Natural diamonds vary greatly in quality and the supply is not stable.
- diamond produced by the high-temperature and high-pressure synthesis method has a small quality variation and a stable supply amount, but has a problem that the cost of production equipment is high.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2005-162525 (hereinafter referred to as Patent Document 1) discloses a diamond produced by a gas phase synthesis method and transparent in the ultraviolet region and having small crystal defects and distortions.
- Patent Document 2 Japanese Patent Application Laid-Open No. 2006-315942 (hereinafter referred to as Patent Document 2) discloses a diamond single crystal used for a semiconductor device substrate and having a small strain.
- Patent Document 3 discloses a CVD single crystal diamond material suitable for use in an optical device or element.
- the single crystal diamond produced by the gas phase synthesis method as in Patent Documents 1 to 3 described above has a problem that when used for a tool such as a diamond tool, the single crystal material is missing and the work material is likely to be damaged. There is. Thus, the conventional single crystal diamond cannot sufficiently improve the tool performance when used as a material for a diamond tool. Therefore, the present inventor has studied a method of introducing impurities and defects into the crystal to make the material difficult to chip. As a result, the propagation of cracks was prevented by appropriately introducing impurities and defects into the crystal, and the cracking of the crystal could be suppressed. However, according to the study of the present inventor, impurities and defects in the crystal also affect the wear rate.
- the wear rate of the crystal is also non-uniform. In such a case, there is a problem that the tool performance is not sufficiently exhibited and the work material is damaged.
- the present invention has been made in view of the above problems, and an object of the present invention is to provide a single crystal diamond capable of improving the performance of the diamond tool and a diamond tool including the single crystal diamond.
- the single crystal diamond according to the present invention is a single crystal diamond having a surface.
- a plurality of first square regions each having a side length of 0.2 mm are continuous, and includes a portion where the transmittance of the single crystal diamond is maximum and a portion where the transmittance is minimum.
- the average value of the transmittance in one first square area is T 1 .
- the reason for paying attention to the transmittance of the single crystal diamond is that the transmittance reflects the impurity and defect concentration in the crystal (that is, the wear rate of the crystal). Further, the “transmittance” here is a value obtained by removing the effect of the reflectance, and thus is 100% when there is no absorption.
- the present inventor has intensively studied a single crystal diamond capable of further improving the performance of the diamond tool (that is, the work material is hardly damaged). As a result, the relationship of ((T 1 ⁇ T 2 ) / ((T 1 + T 2 ) / 2) ⁇ 100) /0.2 ⁇ 20 (% / mm) is satisfied (with a steep transmittance).
- tool performance is improved when single crystal diamond introduced in a state in which impurities and defects are controlled (so that the change is suppressed), and the present invention has been conceived.
- the single crystal diamond according to the present invention the relationship of ((T 1 ⁇ T 2 ) / ((T 1 + T 2 ) / 2) ⁇ 100) /0.2 ⁇ 20 is satisfied over the entire measurement region. A steep change in transmittance is suppressed. Therefore, in the diamond tool using the single crystal diamond, the generation of scratches on the work material can be suppressed. Therefore, according to the single crystal diamond according to the present invention, it is possible to provide a single crystal diamond capable of improving the performance of the diamond tool by introducing impurities and defects in a controlled state.
- the first square region may be linearly continuous in the measurement region.
- region can be prescribed
- the second square region A single peak may exist in the frequency distribution of the transmittance measured in step 1.
- single crystal diamond introduced in a state where impurities and defects are controlled has a single peak in the transmittance frequency distribution. Therefore, according to the single crystal diamond having a single peak in the transmittance frequency distribution, the performance of the diamond tool can be further improved.
- the transmittance may be measured by irradiating the single crystal diamond with light having a wavelength of 550 nm. Moreover, when the transmittance
- the single crystal diamond may be formed by a gas phase synthesis method. Thereby, the single crystal diamond introduced in a state where impurities and defects are controlled can be formed more easily.
- the single crystal diamond may be used for a diamond tool.
- the single crystal diamond is capable of improving the performance of the diamond tool as described above. Therefore, tool performance can be further improved by using the single crystal diamond for a diamond tool.
- the diamond tool according to the present invention includes the single crystal diamond according to the present invention, which can improve the performance of the diamond tool. Therefore, according to the diamond tool according to the present invention, it is possible to provide a diamond tool with more excellent tool performance.
- the single crystal diamond according to the present invention it is possible to provide a single crystal diamond capable of improving the performance of the diamond tool. Moreover, according to the diamond tool according to the present invention, it is possible to provide a diamond tool having more excellent tool performance.
- a diamond tool 1 will be described as an example of a diamond tool according to an embodiment of the present invention.
- a diamond tool 1 according to the present embodiment mainly includes a base metal 2, a brazing layer 3, a metallized layer 4, and a single crystal diamond 10.
- the single crystal diamond 10 is fixed to the base metal 2 through the brazing layer 3 and the metallized layer 4.
- Single crystal diamond 10 includes rake face 10b and flank face 10c, and a cutting edge 10d is formed at the contact portion between rake face 10b and flank face 10c. Further, since the single crystal diamond 10 is a single crystal diamond according to the present embodiment to be described later, the diamond bit 1 is more excellent in tool performance.
- the diamond tool of the present invention is not limited to the diamond tool 1 described above, and may be another cutting tool (not shown) such as a drill or an end mill. ) These cutting tools and wear-resistant tools are excellent in tool performance like the diamond bit 1 by providing the single crystal diamond 10.
- single crystal diamond 10 is used as a material for a diamond tool such as the diamond bit 1 described above.
- single crystal diamond 10 is formed by a vapor phase synthesis method such as a microwave plasma CVD method or a hot filament CVD method, and has a flat plate shape (square or rectangular shape) including surface 10a. Or an octagonal shape) is processed into a shape suitable for a tool.
- the single crystal diamond 10 impurities such as nitrogen (N) atoms are introduced, and defects such as strains, atomic vacancies or dislocations are introduced.
- the nitrogen atom concentration in the single crystal diamond 10 is, for example, 0.00001 atm% or more and 0.01 atm% or less, preferably 0.0001 atm% or more and 0.01 atm% or less, more preferably 0.001 atm% or more and 0.01 atm% or less. % Or less.
- “atm%” means the atomic number density of nitrogen in the single crystal diamond 10.
- the nitrogen atom concentration is the total nitrogen amount evaluated by SIMS (Secondary Ion Mass Spectrometry).
- the transmittance of the single crystal diamond 10 can be measured, for example, as follows. Referring to FIG. 2, first, in the surface 10 a of the single crystal diamond 10, a measurement region 20 in which a plurality of square regions 20 a (first square regions) each having a side length of 0.2 mm are linearly continuous. Is defined.
- the measurement region 20 includes a portion where the transmittance of the single crystal diamond 10 is maximum and a portion where the transmittance is minimum.
- light (incident light) having a wavelength of 550 nm is irradiated from one main surface side of the single crystal diamond 10, and transmitted light is emitted from the other surface side.
- the transmittance in each of the square regions 20a can be measured by the ratio of the intensity of the transmitted light to the intensity of the incident light, and the average value of the transmittance can be calculated.
- the average value of the transmittance in an square area 20a and T 1 transmittance in other square region 20a adjacent to the one of the square area 20a
- T 2 the average value of T 2
- T 1 ⁇ T 2 is satisfied.
- T 1 value excluding reflectance
- the value of T 1 is preferably 80% or less, more preferably 60% or less, still more preferably 30% or less, and even more preferably 10% or less. preferable.
- permeability is small is more suitable for the said single crystal diamond 10 which can improve tool performance.
- T 1 in order to numerically evaluate is required to be 1% or more. Note that when T 1 is less than 1%, by evaluating change in the light of the wavelength 800 nm, it is possible to determine based on the same numerically evaluated.
- the above ((T 1 ⁇ T 2 ) / ((T 1 + T 2 ) / 2) ⁇ 100) /0.2 ⁇ 20 (% / mm)
- impurities and defects are introduced in a controlled state. Therefore, the diamond bit 1 using the single crystal diamond 10 has excellent tool performance capable of suppressing the occurrence of scratches in the work material.
- the transmittance of the single crystal diamond 10 can be measured as follows. With reference to FIG. 2, first, a square region 30 (second square region) having a side length of 0.5 mm or 1 mm is defined in the surface 10 a of the single crystal diamond 10. In the square region 30, light having a wavelength of 550 nm is incident from one main surface side of the single crystal diamond 10, and transmitted light is emitted from the other surface side. Then, the transmittance in the square region 30 can be measured by the ratio of the intensity of the transmitted light to the intensity of the incident light, and a frequency distribution of the transmittance can be obtained. In the frequency distribution, there are a plurality of peaks in the case of the conventional single crystal diamond, whereas there is only a single peak in the case of the single crystal diamond 10 according to the present embodiment.
- steps (S10) to (S50) are sequentially performed to manufacture single crystal diamond 10 according to the present embodiment. can do.
- a single crystal substrate preparation step is performed.
- a single crystal substrate 40 (type: Ib) having a flat plate shape and made of diamond manufactured by a high-temperature high-pressure synthesis method is prepared.
- the single crystal substrate 40 has a surface 40a composed of a (100) plane and a side surface 40b composed of a (001) plane perpendicular to the surface 40a. Moreover, in the single crystal substrate 40, the thickness variation is 10% or less.
- the surface 40a is polished until the surface roughness (Ra) is 30 nm or less.
- Single crystal substrate 40 may have a square shape, a rectangular shape, or an octagonal shape, for example.
- an etching process is implemented as process (S20).
- the surface 40a is formed by reactive ion etching (RIE) using, for example, oxygen (O 2 ) gas and carbon tetrafluoride (CF 4 ) gas. Etched.
- RIE reactive ion etching
- the etching method is not limited to RIE, and may be sputtering using, for example, argon (Ar) gas as a main gas.
- an ion implantation step is performed.
- carbon (C) ions are implanted into single crystal substrate 40 from the surface 40a side.
- the conductive layer 42 is formed in a region including the surface 40a.
- the implanted ions are not limited to carbon ions, and may be nitrogen ions, silicon ions, phosphorus ions, or sulfur ions.
- an epitaxial growth process is implemented as process (S40).
- the surface is formed by microwave plasma CVD in an atmosphere into which hydrogen (H 2 ) gas, methane (CH 4 ) gas and nitrogen (N 2 ) gas are introduced.
- An epitaxial growth layer 43 made of single crystal diamond is formed on 40a (on conductive layer 42).
- the method for forming the epitaxial growth layer 43 is not limited to the microwave plasma CVD method, and may be, for example, a hot filament CVD method or a DC plasma method.
- the surface 40a on which the epitaxial growth layer 43 is formed is preferably a (100) plane, and more preferably a plane having an off angle of 0.5 ° to 0.7 ° with respect to the (100) plane. preferable.
- the end face of the single crystal substrate 40 does not protrude during the plasma treatment.
- the crystal growth rate at the end becomes larger than that at the center of the substrate, and the growth surface becomes concave. This is because it becomes difficult to form the crystalline diamond 10.
- the single crystal substrate 40 and the member are preferably separated from each other, and the distance is preferably less than 2.5 mm, and more preferably less than 1.5 mm.
- the height of the single crystal substrate 40 and the member is not necessarily the same, but when the member is higher than the single crystal substrate 40, the height difference is preferably less than 1 mm.
- the epitaxial growth layer 43 is formed while suppressing variations in thickness. More specifically, referring to FIG. 6, preferably 0.97D 1 so that the thickness D 1 of the portion including the center of epitaxial growth layer 43 is equal to or greater than the thickness D 2 of the portion including the end face of epitaxial growth layer 43. such that ⁇ D 2, the epitaxial growth layer 43 is formed so as more preferably a 0.92D 1 ⁇ D 2.
- the single crystal diamond 10 epipitaxial growth layer 43 in which a sharp change in transmittance is suppressed.
- a separation step is performed as a step (S50).
- step (S50) referring to FIG. 7, conductive layer 42 is electrochemically etched to separate single crystal substrate 40 and epitaxial growth layer 43 from each other.
- the single crystal diamond 10 epitaxial growth layer 43
- the separation method is not limited to electrochemical etching, and may be, for example, a slice using a laser.
- the ion implantation step (S30) can be omitted.
- the steps (S10) to (S50) are performed to manufacture the single crystal diamond 10, and the method for manufacturing the single crystal diamond according to the present embodiment is completed.
- a tool with a thin tip is effective because chipping and grinding scratches on the work material hardly occur even when used for a long time. More specifically, it is particularly effective for a tool having an acute tip with a blade edge opening angle of 45 ° or less, and further 30 ° or less when the rake face is viewed from above. It is also effective for a tool whose contact with the work material is 200 ⁇ m or more, and further 400 ⁇ m or more. It is also effective in a tool having an acute angle of rake face and flank angle of 75 ° or less, and further 60 ° or less. Since single crystal diamond 10 according to the present embodiment is a material that is difficult to chip and is suitable for a cutting tool, it is particularly suitable for a cutting tool having the above-described characteristic shape.
- single crystal diamond 10 was manufactured using the method for manufacturing single crystal diamond according to the present embodiment (see FIGS. 3 to 7). In the step (S10), a single crystal substrate 40 having a thickness of 0.7 mm and a distance (width) between the side surfaces 40b of 1 to 9 mm was prepared (see FIG. 4).
- step (S20) etching was performed from the surface 40a to a depth region of 0.3 ⁇ m by RIE, or etching was performed from the surface 40a to a depth region of 0.3 ⁇ m by sputtering (see FIG. 4).
- step (S30) carbon ions were implanted at an ion implantation energy of 300 to 350 keV and a dose amount of 5 ⁇ 10 15 to 5 ⁇ 10 17 ions / cm 2 to form a conductive layer 42 (see FIG. 5).
- step (S40) an epitaxial growth layer 43 having a thickness of 0.7 mm was grown (see FIG. 6). Hydrogen gas, methane gas and nitrogen gas were used, the concentration of methane gas relative to hydrogen gas was 5-20%, and the concentration of nitrogen gas relative to methane gas was 0.5-4%. The pressure was set to 9.3 to 14.7 kPa, and the substrate temperature was set to 800 to 1100 ° C.
- the single crystal diamond 10 (Example) according to the present embodiment was obtained.
- a conventional single crystal diamond was also prepared.
- the transmittance of the single crystal diamonds of Examples and Comparative Examples was measured as follows. With reference to FIG. 2, first, a measurement region 20 in which a plurality of square regions 20 a (0.2 mm ⁇ 0.2 mm) continued linearly in the surface 10 a was defined. The measurement region 20 was defined so as to include a portion where the transmittance of the single crystal diamond of the above-described Examples and Comparative Examples was the maximum and a portion where the transmittance was the minimum. Then, a plurality of (three or four) continuous square regions 20a were selected, and the average value of transmittance was measured in each selected square region 20a.
- the following transmittance was measured for the single crystal diamonds of Examples and Comparative Examples.
- a square region 30 (1 mm ⁇ 1 mm or 0.5 mm ⁇ 0.5 mm) was defined in the surface 10a.
- region 30 was measured and the frequency distribution of the transmittance
- two peaks were confirmed in the transmittance frequency distribution in the comparative example, whereas only a single peak was confirmed in the transmittance frequency distribution in the example.
- the single crystal diamond and diamond tool of the present invention can be particularly advantageously applied to single crystal diamond that is required to introduce impurities and defects in a controlled manner and diamond tool that is required to improve tool performance. .
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Abstract
Description
単結晶ダイヤモンドを用いたダイヤモンド工具の性能について、本発明の効果を確認する実験を行った。まず、上記本実施の形態に係る単結晶ダイヤモンドの製造方法を用いて単結晶ダイヤモンド10を製造した(図3~図7参照)。工程(S10)では、厚みが0.7mmであり、側面40b間の距離(幅)が1~9mmである単結晶基板40を準備した(図4参照)。
まず、実施例および比較例の単結晶ダイヤモンドについて以下のようにして透過率の測定を行った。図2を参照して、まず、表面10a内において複数の正方形領域20a(0.2mm×0.2mm)が直線状に連続した測定領域20を規定した。この測定領域20は、上記実施例および比較例の単結晶ダイヤモンドの透過率が最大である部分および当該透過率が最小である部分が含まれるように規定した。そして、複数(3個または4個)の連続する正方形領域20aを選択し、選択された各正方形領域20aにおいて透過率の平均値を測定した。
次に、実施例および比較例の単結晶ダイヤモンドを用いてダイヤモンドバイトを作製し、これを用いて被削材の研削加工を行った。そして、加工後における被削材の表面状態を確認した。その結果、比較例では被削材に傷が確認されたのに対して、実施例では被削材に傷は確認されなかった。この結果より、((T1-T2)/((T1+T2)/2)×100)/0.2≦20(%/mm)の関係が満たされるように(急峻な透過率の変化が抑制されるように)、不純物および欠陥が制御された状態で導入された単結晶ダイヤモンドを用いたダイヤモンド工具では、工具性能が向上することが分かった。
Claims (7)
- 表面を有する単結晶ダイヤモンドであって、
1辺の長さが0.2mmである複数の第1正方形領域が連続し、前記単結晶ダイヤモンドの透過率が最大である部分および前記透過率が最小である部分を含む測定領域を前記表面において規定し、かつ、前記複数の第1正方形領域の各々における前記透過率の平均値を測定した場合において、一の前記第1正方形領域における前記透過率の平均値をT1とし、前記一の第1正方形領域と隣り合う他の前記第1正方形領域における前記透過率の平均値をT2としたときに、前記測定領域の全域にわたり((T1-T2)/((T1+T2)/2)×100)/0.2≦20(%/mm)の関係が満たされる、単結晶ダイヤモンド。 - 前記測定領域では、前記第1正方形領域が直線状に連続している、請求項1に記載の単結晶ダイヤモンド。
- 1辺の長さが0.5mmまたは1mmである第2正方形領域を前記表面において規定し、かつ、前記第2正方形領域において前記透過率を測定した場合に、前記第2正方形領域において測定された前記透過率の度数分布には単一のピークが存在する、請求項1または2に記載の単結晶ダイヤモンド。
- 前記透過率は、前記単結晶ダイヤモンドに波長が550nmまたは800nmである光を照射して測定される、請求項1~3のいずれか1項に記載の単結晶ダイヤモンド。
- 気相合成法により形成される、請求項1~4のいずれか1項に記載の単結晶ダイヤモンド。
- ダイヤモンド工具に用いられる、請求項1~5のいずれか1項に記載の単結晶ダイヤモンド。
- 請求項1に記載の単結晶ダイヤモンドを備える、ダイヤモンド工具。
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JP2015514803A JPWO2014178281A1 (ja) | 2013-04-30 | 2014-04-16 | 単結晶ダイヤモンドおよびダイヤモンド工具 |
EP14792151.4A EP2848716B1 (en) | 2013-04-30 | 2014-04-16 | Single crystal diamond and diamond tool |
KR1020157000548A KR101731736B1 (ko) | 2013-04-30 | 2014-04-16 | 단결정 다이아몬드 및 다이아몬드 공구 |
CN201480001980.5A CN104508191A (zh) | 2013-04-30 | 2014-04-16 | 单晶金刚石和金刚石工具 |
US14/413,175 US9957640B2 (en) | 2013-04-30 | 2014-04-16 | Single crystal diamond and diamond tool |
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US (1) | US9957640B2 (ja) |
EP (1) | EP2848716B1 (ja) |
JP (2) | JPWO2014178281A1 (ja) |
KR (1) | KR101731736B1 (ja) |
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KR20170074973A (ko) * | 2014-10-29 | 2017-06-30 | 스미토모덴키고교가부시키가이샤 | 단결정 다이아몬드 재료, 및 그것을 포함하는 공구, 방사 온도 모니터, 및 적외 광학 부품 |
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CN107923067B (zh) * | 2015-10-19 | 2023-04-28 | 住友电气工业株式会社 | 单晶金刚石、使用单晶金刚石的工具以及单晶金刚石的制造方法 |
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WO2006048957A1 (ja) | 2004-11-05 | 2006-05-11 | Sumitomo Electric Industries, Ltd. | 単結晶ダイヤモンド |
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JP2006507204A (ja) | 2002-11-21 | 2006-03-02 | エレメント シックス リミテッド | 光学品質のダイヤモンド材料 |
JP2005162525A (ja) | 2003-12-02 | 2005-06-23 | Sumitomo Electric Ind Ltd | 単結晶ダイヤモンド |
JP2006315942A (ja) | 2005-04-15 | 2006-11-24 | Sumitomo Electric Ind Ltd | 単結晶ダイヤモンドおよびその製造方法 |
JP2012111654A (ja) * | 2010-11-24 | 2012-06-14 | Sumitomo Electric Ind Ltd | 単結晶ダイヤモンド基板およびその製造方法 |
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KR20170074973A (ko) * | 2014-10-29 | 2017-06-30 | 스미토모덴키고교가부시키가이샤 | 단결정 다이아몬드 재료, 및 그것을 포함하는 공구, 방사 온도 모니터, 및 적외 광학 부품 |
KR102475053B1 (ko) | 2014-10-29 | 2022-12-06 | 스미토모덴키고교가부시키가이샤 | 단결정 다이아몬드 재료, 및 그것을 포함하는 공구, 방사 온도 모니터, 및 적외 광학 부품 |
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EP2848716A1 (en) | 2015-03-18 |
JPWO2014178281A1 (ja) | 2017-02-23 |
EP2848716B1 (en) | 2019-12-25 |
KR20150022999A (ko) | 2015-03-04 |
CN104508191A (zh) | 2015-04-08 |
EP2848716A4 (en) | 2016-02-24 |
US9957640B2 (en) | 2018-05-01 |
US20150176156A1 (en) | 2015-06-25 |
JP2018162212A (ja) | 2018-10-18 |
KR101731736B1 (ko) | 2017-04-28 |
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