JP2009234826A - 窒化珪素質焼結体 - Google Patents
窒化珪素質焼結体 Download PDFInfo
- Publication number
- JP2009234826A JP2009234826A JP2008080822A JP2008080822A JP2009234826A JP 2009234826 A JP2009234826 A JP 2009234826A JP 2008080822 A JP2008080822 A JP 2008080822A JP 2008080822 A JP2008080822 A JP 2008080822A JP 2009234826 A JP2009234826 A JP 2009234826A
- Authority
- JP
- Japan
- Prior art keywords
- silicon nitride
- sintered body
- content ratio
- mass
- terms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
- C04B35/587—Fine ceramics
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
- C04B35/593—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
- C04B35/593—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering
- C04B35/5935—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride obtained by pressure sintering obtained by gas pressure sintering
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
- C04B35/6455—Hot isostatic pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2226/00—Materials of tools or workpieces not comprising a metal
- B23C2226/73—Silicon nitride
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3227—Lanthanum oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3229—Cerium oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3865—Aluminium nitrides
- C04B2235/3869—Aluminium oxynitrides, e.g. AlON, sialon
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3873—Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
- C04B2235/3878—Alpha silicon nitrides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
- C04B2235/3873—Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
- C04B2235/3882—Beta silicon nitrides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3891—Silicides, e.g. molybdenum disilicide, iron silicide
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6562—Heating rate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6565—Cooling rate
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6587—Influencing the atmosphere by vaporising a solid material, e.g. by using a burying of sacrificial powder
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
- C04B2235/723—Oxygen content
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/75—Products with a concentration gradient
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/77—Density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
- C04B2235/78—Grain sizes and shapes, product microstructures, e.g. acicular grains, equiaxed grains, platelet-structures
- C04B2235/786—Micrometer sized grains, i.e. from 1 to 100 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/24983—Hardness
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Products (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
【解決手段】窒化珪素を主体として、RE元素化合物(ただし、REはイットリウムまたは希土類元素の少なくとも一方の元素)とマグネシウム化合物とを含む窒化珪素質焼結体の表面に、前記RE元素の含有比率は前記窒化珪素質焼結体の内部における含有比率に対して5%の範囲内で一定であり、かつ前記マグネシウム元素の含有比率は前記窒化珪素質焼結体の内部における含有比率に対して5%よりも少ない表面領域が存在する窒化珪素質焼結体である。
【選択図】なし
Description
被切削材:FCD−450 ブロック材
切削速度:500m/分
送り量:0.2mm/rev
切り込み量:2.0mm
切削条件:乾式切削
評価項目:10パス加工後、切刃のフランク摩耗量とチッピング状態を顕微鏡観察により確認した。
結果は表3に示した。
Claims (5)
- 窒化珪素を主体として、RE元素化合物(ただし、REはイットリウムおよび希土類元素の少なくとも一種の元素)とマグネシウム化合物とを含む窒化珪素質焼結体であって、該窒化珪素質焼結体の表面に、前記RE元素の含有比率は前記窒化珪素質焼結体の内部における含有比率に対して5%の範囲内で一定であり、かつマグネシウム元素の含有比率は焼結体の内部の含有比率に対して5%よりも少ない表面領域が存在することを特徴とする窒化珪素質焼結体。
- アルミニウム化合物と酸素とをさらに含むとともに、前記表面領域におけるアルミニウム元素の含有比率は前記窒化珪素質焼結体の内部における含有比率に対して10%の範囲内で一定であり、かつ前記表面領域における酸素元素の含有比率は前記窒化珪素質焼結体の内部における含有比率に対して15%の範囲内で一定であることを特徴とする請求項1記載の窒化珪素質焼結体。
- 前記全体組成が、窒化珪素を94.5〜99.5質量%、RE元素酸化物をRE2O3換算で0.1〜4.5質量%、酸化マグネシウムをMgO換算で0.3〜2.5質量%、酸化アルミニウムをAl2O3換算で0〜0.6質量%、残余の酸素をシリカ(SiO2)換算で0.1〜4.5質量%、周期表第6族元素珪化物を0〜2質量%からなることを特徴とする請求項1または2記載の窒化珪素質焼結体。
- 前記表面におけるマグネシウム元素の含有比率が0.1〜1.0質量%であることを特徴とする請求項1乃至3のいずれか記載の窒化珪素質焼結体。
- 前記表面領域は前記表面から100〜500μmの深さにわたって存在することを特徴とする請求項1乃至4のいずれか記載の窒化珪素質焼結体。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008080822A JP5527937B2 (ja) | 2008-03-26 | 2008-03-26 | 窒化珪素質焼結体 |
US12/411,186 US8496718B2 (en) | 2008-03-26 | 2009-03-25 | Silicon nitride cutting tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008080822A JP5527937B2 (ja) | 2008-03-26 | 2008-03-26 | 窒化珪素質焼結体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009234826A true JP2009234826A (ja) | 2009-10-15 |
JP5527937B2 JP5527937B2 (ja) | 2014-06-25 |
Family
ID=41117690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008080822A Active JP5527937B2 (ja) | 2008-03-26 | 2008-03-26 | 窒化珪素質焼結体 |
Country Status (2)
Country | Link |
---|---|
US (1) | US8496718B2 (ja) |
JP (1) | JP5527937B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010006635A (ja) * | 2008-06-26 | 2010-01-14 | Kyocera Corp | 窒化珪素質焼結体 |
WO2014104112A1 (ja) * | 2012-12-25 | 2014-07-03 | 京セラ株式会社 | 窒化珪素質焼結体および切削工具 |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2013135445A (ru) | 2010-12-31 | 2015-02-10 | Сэнт-Гобэн Керамикс Энд Пластикс, Инк. | Абразивное изделие (варианты) и способ его формования |
EP2703103B1 (en) * | 2011-04-28 | 2016-10-05 | Kyocera Corporation | Cutting tool |
US8986409B2 (en) | 2011-06-30 | 2015-03-24 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles including abrasive particles of silicon nitride |
US8840694B2 (en) | 2011-06-30 | 2014-09-23 | Saint-Gobain Ceramics & Plastics, Inc. | Liquid phase sintered silicon carbide abrasive particles |
CN103826802B (zh) | 2011-09-26 | 2018-06-12 | 圣戈本陶瓷及塑料股份有限公司 | 包括磨料颗粒材料的磨料制品,使用磨料颗粒材料的涂布磨料及其形成方法 |
KR20140106713A (ko) | 2011-12-30 | 2014-09-03 | 생-고뱅 세라믹스 앤드 플라스틱스, 인코포레이티드 | 형상화 연마입자 및 이의 형성방법 |
JP5903502B2 (ja) | 2011-12-30 | 2016-04-13 | サン−ゴバン セラミックス アンド プラスティクス,インコーポレイティド | 成形研磨粒子を備える粒子材料 |
JP5847331B2 (ja) | 2011-12-30 | 2016-01-20 | サン−ゴバン セラミックス アンド プラスティクス,インコーポレイティド | 成形研磨粒子の形成 |
WO2013106602A1 (en) | 2012-01-10 | 2013-07-18 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
AU2013207946B2 (en) | 2012-01-10 | 2016-07-07 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having complex shapes and methods of forming same |
US9242346B2 (en) | 2012-03-30 | 2016-01-26 | Saint-Gobain Abrasives, Inc. | Abrasive products having fibrillated fibers |
EP4302955A3 (en) | 2012-05-23 | 2024-04-17 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particles and methods of forming same |
EP2866977B8 (en) | 2012-06-29 | 2023-01-18 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
CA2887561C (en) | 2012-10-15 | 2019-01-15 | Saint-Gobain Abrasives, Inc. | Abrasive particles having particular shapes and methods of forming such particles |
CN104994995B (zh) | 2012-12-31 | 2018-12-14 | 圣戈本陶瓷及塑料股份有限公司 | 颗粒材料及其形成方法 |
US9457453B2 (en) | 2013-03-29 | 2016-10-04 | Saint-Gobain Abrasives, Inc./Saint-Gobain Abrasifs | Abrasive particles having particular shapes and methods of forming such particles |
TW201502263A (zh) | 2013-06-28 | 2015-01-16 | Saint Gobain Ceramics | 包含成形研磨粒子之研磨物品 |
CN111978921A (zh) | 2013-09-30 | 2020-11-24 | 圣戈本陶瓷及塑料股份有限公司 | 成形磨粒及其形成方法 |
US9566689B2 (en) | 2013-12-31 | 2017-02-14 | Saint-Gobain Abrasives, Inc. | Abrasive article including shaped abrasive particles |
US9771507B2 (en) | 2014-01-31 | 2017-09-26 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particle including dopant material and method of forming same |
US9803119B2 (en) | 2014-04-14 | 2017-10-31 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
EP3131706B8 (en) | 2014-04-14 | 2024-01-10 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US9902045B2 (en) | 2014-05-30 | 2018-02-27 | Saint-Gobain Abrasives, Inc. | Method of using an abrasive article including shaped abrasive particles |
US9914864B2 (en) | 2014-12-23 | 2018-03-13 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particles and method of forming same |
US9707529B2 (en) | 2014-12-23 | 2017-07-18 | Saint-Gobain Ceramics & Plastics, Inc. | Composite shaped abrasive particles and method of forming same |
US9676981B2 (en) | 2014-12-24 | 2017-06-13 | Saint-Gobain Ceramics & Plastics, Inc. | Shaped abrasive particle fractions and method of forming same |
TWI634200B (zh) | 2015-03-31 | 2018-09-01 | 聖高拜磨料有限公司 | 固定磨料物品及其形成方法 |
CN107636109A (zh) | 2015-03-31 | 2018-01-26 | 圣戈班磨料磨具有限公司 | 固定磨料制品和其形成方法 |
CA2988012C (en) | 2015-06-11 | 2021-06-29 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US11718774B2 (en) | 2016-05-10 | 2023-08-08 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles and methods of forming same |
EP3455320A4 (en) | 2016-05-10 | 2019-11-20 | Saint-Gobain Ceramics&Plastics, Inc. | GRINDING PARTICLES AND METHOD FOR FORMING THEREOF |
WO2018064642A1 (en) | 2016-09-29 | 2018-04-05 | Saint-Gobain Abrasives, Inc. | Fixed abrasive articles and methods of forming same |
US10563105B2 (en) | 2017-01-31 | 2020-02-18 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US10759024B2 (en) | 2017-01-31 | 2020-09-01 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US10865148B2 (en) | 2017-06-21 | 2020-12-15 | Saint-Gobain Ceramics & Plastics, Inc. | Particulate materials and methods of forming same |
CN114867582A (zh) | 2019-12-27 | 2022-08-05 | 圣戈本陶瓷及塑料股份有限公司 | 磨料制品及其形成方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH046159A (ja) * | 1990-04-23 | 1992-01-10 | Nippon Cement Co Ltd | 窒化けい素系セラミックス焼結体の製造法 |
JPH06271357A (ja) * | 1993-03-23 | 1994-09-27 | Ngk Insulators Ltd | 窒化珪素焼結体、その製造方法、窒化珪素粉末及びその製造方法 |
JPH0812441A (ja) * | 1994-06-24 | 1996-01-16 | Kyocera Corp | 窒化珪素質焼結体の製造方法 |
JP2002012474A (ja) * | 2000-06-22 | 2002-01-15 | Ngk Spark Plug Co Ltd | 窒化珪素質焼結体及びそれを用いた切削工具 |
JP2009173508A (ja) * | 2007-02-23 | 2009-08-06 | Kyocera Corp | 窒化珪素質焼結体および切削工具ならびに切削加工装置、切削方法 |
WO2009119682A1 (ja) * | 2008-03-26 | 2009-10-01 | 京セラ株式会社 | 切削工具 |
JP2010006635A (ja) * | 2008-06-26 | 2010-01-14 | Kyocera Corp | 窒化珪素質焼結体 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4440547A (en) * | 1982-05-20 | 1984-04-03 | Gte Laboratories Incorporated | Alumina coated silicon nitride cutting tools |
JP2789133B2 (ja) | 1990-10-15 | 1998-08-20 | 京セラ株式会社 | 窒化珪素質焼結体及びその製造方法 |
JPH07309664A (ja) | 1994-05-17 | 1995-11-28 | Isuzu Motors Ltd | 窒化珪素焼結体及びその製造方法 |
JPH0873286A (ja) | 1994-09-06 | 1996-03-19 | Hitachi Metals Ltd | 窒化珪素質焼結体及びその製造方法及び窒化珪素質焼結体を用いた金属溶湯用部材 |
US5921725A (en) * | 1996-03-13 | 1999-07-13 | Kashiwagi; Tetsuya | Sintered silicon nitride articles for tools and method of preparation |
-
2008
- 2008-03-26 JP JP2008080822A patent/JP5527937B2/ja active Active
-
2009
- 2009-03-25 US US12/411,186 patent/US8496718B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH046159A (ja) * | 1990-04-23 | 1992-01-10 | Nippon Cement Co Ltd | 窒化けい素系セラミックス焼結体の製造法 |
JPH06271357A (ja) * | 1993-03-23 | 1994-09-27 | Ngk Insulators Ltd | 窒化珪素焼結体、その製造方法、窒化珪素粉末及びその製造方法 |
JPH0812441A (ja) * | 1994-06-24 | 1996-01-16 | Kyocera Corp | 窒化珪素質焼結体の製造方法 |
JP2002012474A (ja) * | 2000-06-22 | 2002-01-15 | Ngk Spark Plug Co Ltd | 窒化珪素質焼結体及びそれを用いた切削工具 |
JP2009173508A (ja) * | 2007-02-23 | 2009-08-06 | Kyocera Corp | 窒化珪素質焼結体および切削工具ならびに切削加工装置、切削方法 |
WO2009119682A1 (ja) * | 2008-03-26 | 2009-10-01 | 京セラ株式会社 | 切削工具 |
JP2010006635A (ja) * | 2008-06-26 | 2010-01-14 | Kyocera Corp | 窒化珪素質焼結体 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010006635A (ja) * | 2008-06-26 | 2010-01-14 | Kyocera Corp | 窒化珪素質焼結体 |
WO2014104112A1 (ja) * | 2012-12-25 | 2014-07-03 | 京セラ株式会社 | 窒化珪素質焼結体および切削工具 |
JPWO2014104112A1 (ja) * | 2012-12-25 | 2017-01-12 | 京セラ株式会社 | 窒化珪素質焼結体および切削工具 |
Also Published As
Publication number | Publication date |
---|---|
US20090246464A1 (en) | 2009-10-01 |
JP5527937B2 (ja) | 2014-06-25 |
US8496718B2 (en) | 2013-07-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5527937B2 (ja) | 窒化珪素質焼結体 | |
JP5527949B2 (ja) | 窒化珪素質焼結体 | |
JP5732037B2 (ja) | 耐摩耗性部材およびその製造方法 | |
JPWO2006057232A1 (ja) | 窒化珪素質焼結体およびその製造方法、並びに金属溶湯用部材、熱間加工用部材、掘削用部材 | |
EP2636659B1 (en) | High rigidity ceramic material and method for producing same | |
JP5340028B2 (ja) | 切削工具 | |
JP4723127B2 (ja) | アルミナセラミックス焼結体及びその製造方法並びに切削工具 | |
JP2719941B2 (ja) | 窒化珪素焼結体 | |
JP5677638B1 (ja) | 切削工具 | |
JP5031602B2 (ja) | 窒化珪素質焼結体および切削工具ならびに切削加工装置、切削方法 | |
JP4850007B2 (ja) | 窒化珪素質焼結体 | |
JP6075803B2 (ja) | 窒化珪素質焼結体および切削工具 | |
Santos et al. | α-SiAlON–SiC composites obtained by gas-pressure sintering and hot-pressing | |
JP5989602B2 (ja) | 窒化珪素質焼結体及びその製造方法、並びにベアリング用転動体 | |
JP3270792B2 (ja) | 窒化珪素質焼結体の製造方法 | |
JP5864631B2 (ja) | 窒化珪素質焼結体 | |
JP4070417B2 (ja) | 窒化珪素質部材及びその製造方法並びに切削工具 | |
JP2006206376A (ja) | セラミック焼結体、切削インサート及び切削工具 | |
JPH08323509A (ja) | 窒化珪素質切削工具およびその製造方法 | |
JP2015009327A (ja) | 切削インサート | |
JP2009173508A (ja) | 窒化珪素質焼結体および切削工具ならびに切削加工装置、切削方法 | |
JP7340622B2 (ja) | 切削工具 | |
WO2024070470A1 (ja) | 窒化珪素焼結体、耐摩耗性部材、半導体装置用基板、及び窒化珪素焼結体の製造方法 | |
JP2008273752A (ja) | 炭化硼素質焼結体および防護部材 | |
JPH11240765A (ja) | 窒化珪素焼結体及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20101115 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20120323 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130205 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20130314 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20130319 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130508 |
|
A072 | Dismissal of procedure [no reply to invitation to correct request for examination] |
Free format text: JAPANESE INTERMEDIATE CODE: A072 Effective date: 20130827 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20131105 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140204 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20140212 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140318 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140415 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5527937 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |