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Sumitomo Electric Hardmetal Corp
Sumitomo Electric Hardmetal Corporation

Sumitomo Electric Hardmetal Corp patents


Recent patent applications related to Sumitomo Electric Hardmetal Corp. Sumitomo Electric Hardmetal Corp is listed as an Agent/Assignee. Note: Sumitomo Electric Hardmetal Corp may have other listings under different names/spellings. We're not affiliated with Sumitomo Electric Hardmetal Corp, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Sumitomo Electric Hardmetal Corp-related inventors


Surface-coated cutting tool and manufacturing same

A surface-coated cutting tool includes a base material and a coating film formed on a surface of the base material. The coating film includes a first alternating layer and a second alternating layer formed on the first alternating layer. The first alternating layer includes first and second layers. The second... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool and producing the same

A surface-coated cutting tool includes a base material and a coating. A hard layer in the coating includes a plurality of crystal grains having a sodium chloride-type crystal structure. When the angle of intersection between the normal direction to (111) plane that is a crystal plane of the crystal grain... Sumitomo Electric Hardmetal Corp

Surface coated cutting tool and manufacturing the same

A surface coated cutting tool having surfaces including a rake face and a flank face and a cutting edge defined by a boundary portion between the rake face and the flank face includes a substrate and a coating which covers the surfaces of the substrate, the coating having a TiAlN... Sumitomo Electric Hardmetal Corp

Composite diamond body and composite diamond tool

A composite diamond body includes a diamond base material and a stable layer disposed on the diamond base material. The stable layer may have a thickness of 0.001 μm or more and less than 10 μm, and may include a plurality of layers. A composite diamond tool includes the composite... Sumitomo Electric Hardmetal Corp

Single-crystal diamond material, and tool, radiation temperature monitor, and infrared optical component including said diamond material

A single-crystal diamond material has a transmittance of light with a wavelength of greater than or equal to 410 nm and less than or equal to 750 nm of less than or equal to 15% for any wavelength, and is at least either of an electrical insulator according to optical... Sumitomo Electric Hardmetal Corp

Drill

In a drill, a negative hind is provided on a rake face, and a ridge line at an intersecting position of the negative land and a flank face, a ridge line at an intersecting position of the flank face and a margin, and a ridge line at an intersecting position... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool

A surface-coated cutting tool includes a base material and a coating formed on the base material. The coating includes an α-Al2O3 layer. The α-Al2O3 layer contains a plurality of α-Al2O3 crystal grains and a plurality of κ-Al2O3 crystal grains, and has a TC(006) of more than 5 in a texture... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool

A surface-coated cutting tool includes a base material and a coating formed on the base material. The coating includes an α-Al2O3 layer containing a plurality of α-Al2O3 crystal grains. The α-Al2O3 layer includes a lower layer portion disposed at a side of the base material, an intermediate portion disposed on... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool and manufacturing the same

A surface-coated cutting tool includes a base material and a coating formed on the base material. The coating includes an α-Al2O3 layer containing a plurality of α-Al2O3 crystal grains. The α-Al2O3 layer includes: a first region made up of an edge ridgeline, a region A of a rake face, and... Sumitomo Electric Hardmetal Corp

Single-crystal diamond material, single-crystal diamond chip, and perforated tool

In a single-crystal diamond material, a concentration of non-substitutional nitrogen atoms is not more than 200 ppm, a concentration of substitutional nitrogen atoms is lower than the concentration of the non-substitutional nitrogen atoms, and the single-crystal diamond material has a crystal growth main surface having an off angle of not... Sumitomo Electric Hardmetal Corp

Drill

Provided is a drill having a flat-shaped drill tip and excellent in cutting edge strength and chip removability. The drill includes: a cutting edge extending in a direction at an angle α of not less than 85° and not more than 90° with respect to a drill axis (line O-O);... Sumitomo Electric Hardmetal Corp

Sintered body and cutting tool including the same

A sintered body of the present invention is a sintered body including a first material and cubic boron nitride. The first material is partially-stabilized ZrO2 including 5 to 90 volume % of Al2O3 dispersed in crystal grain boundaries or crystal grains of partially-stabilized ZrO2.... Sumitomo Electric Hardmetal Corp

Diamond coated tool

The diamond coated tool of the present invention is a diamond coated tool including a base material and a diamond layer coating a surface of the base material, and characterized in that the surface of the base material has an arithmetic average roughness Ra of not less than 0.1 μm... Sumitomo Electric Hardmetal Corp

Polarization state converting element

Provided is a polarization state converting element including a plurality of waveplates, and a rotation mechanism that rotates the respective waveplates independently of one another around an optical axis. The waveplates are each configured by a substrate made of a material having no optical rotatory property but having birefringence, or... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool and manufacturing the same

A surface-coated cutting tool includes a base material and a coating formed on the base material. The coating includes an α-Al2O3 layer. The α-Al2O3 layer contains α-Al2O3 crystal grains and sulfur, and has a TC(006) of more than 5 in texture coefficient TC(hkl). The sulfur has a concentration distribution in... Sumitomo Electric Hardmetal Corp

Coating, cutting tool, and manufacturing coating

A coating is formed from one layer or two or more layers, at least one of the layers includes a multi-layer structure in which a first unit layer composed of TiN and a second unit layer composed of Ti1-xAlxN are alternately stacked, the first unit layer has an fcc crystal... Sumitomo Electric Hardmetal Corp

Sintered compact and cutting tool

where Ial(110), Izro2(111), and Izro(111) respectively represent X-ray diffraction intensities of a (110) plane of the α-Al2O3, a (111) plane of the cubic ZrO2, and a (111) plane of the ZrO.... Sumitomo Electric Hardmetal Corp

Sintered compact and cutting tool

A sintered compact has a first material, a second material, and a third material. The first material is cubic boron nitride. The second material is a compound including zirconium. The third material is an aluminum oxide and the aluminum oxide includes a fine-particle aluminum oxide. The sintered compact has a... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool

A surface-coated cutting tool according to the present invention includes a coating. The coating includes an α-Al2O3 layer. Each of the α-Al2O3 layers on a side of a rake face and a side of a flank face shows (001) orientation. In the α-Al2O3 layer on the rake face side, a... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool

A surface-coated cutting tool according to the present invention is provided with a base material and a coating formed on the base material, the coating includes an α-Al2O3 layer, the α-Al2O3 layer includes a plurality of crystal grains of α-Al2O3 and shows (001) orientation, a grain boundary of the crystal... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool

A surface-coated cutting tool according to the present invention includes a coating. The coating has an α-Al2O3 layer. The α-Al2O3 layer includes a lower layer portion and an upper layer portion. When respective crystal orientations of crystal grains of α-Al2O3 are specified by performing EBSD analyses with an FE-SEM on... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool

A surface-coated cutting tool according to the present invention includes a coating. The coating includes an α-Al2O3 layer. Each of the α-Al2O3 layers on a side of a rake face and a side of a flank face shows (001) orientation. In the α-Al2O3 layer on the rake face side, a... Sumitomo Electric Hardmetal Corp

Surface-coated cutting tool

A coating included in a surface-coated cutting tool according to the present invention has an α-Al2O3 layer. In a 15-μm square color map of a processed surface in parallel to a surface of the α-Al2O3 layer, an area A1 occupied by coarse crystal grains A is ≦50% and an area... Sumitomo Electric Hardmetal Corp

Cutting tool and manufacturing a cutting tool

The present invention provides a cutting tool which comprises a cutting tool insert with a tip portion of cBN material having a cutting edge formed therein and a base portion forming a sintered composition with the tip portion, and a body portion coupling the cutting tool insert with a shank... Sumitomo Electric Hardmetal Corp

Single crystal diamond, manufacturing single crystal diamond, and tool containing single crystal diamond

Single crystal diamond of which hardness and chipping resistance have been improved in a balanced manner, a method for manufacturing the single crystal diamond, and a tool containing the diamond are provided. Single crystal diamond contains nitrogen atoms, and a ratio of the number of isolated substitutional nitrogen atoms in... Sumitomo Electric Hardmetal Corp

Cutting insert and face milling cutter

A cutting insert comprising a cutting edge formed by an intersection ridge between a rake face and a side face, the cutting edge including a major cutting edge, a flat cutting edge, and a chamfer edge disposed between the major cutting edge and the flat cutting edge, wherein in a... Sumitomo Electric Hardmetal Corp

Cutting tool and tool body

A cutting tool including: a tool body (2) provided with an insert support seat (5) including a major seat surface (5a) that supports a bearing surface of a cutting insert, a plurality of seat side surfaces (5b, 5c) that supports side surfaces of the cutting insert at different positions, and... Sumitomo Electric Hardmetal Corp

Optical component

Provided is an optical component including: a pair of substrate bodies each having a refractive index of not lower than 2 with respect to infrared laser light, and having an incident surface or an emitting surface and an inclined surface inclined with respect to this surface at θi; and an... Sumitomo Electric Hardmetal Corp

Hard coating, cutting tool, and producing hard coating

A hard coating includes two first crystalline phases, and a second crystalline phase containing AlN of a wurtzite-type crystal structure disposed therebetween. The two first crystalline phases each include, independently, a laminate structure having a Ti1-x1Alx1N phase having a sodium chloride-type crystal structure, and an Alx2Ti1-x2N phase having a sodium... Sumitomo Electric Hardmetal Corp

Compound sintered body and surface-coated boron nitride sintered body tool

A compound sintered body contains cubic boron nitride particles and binder particles. The composite sintered body contains 40 vol % or more and 80 vol % or less of the cubic boron nitride particles. The binder particles contain TiCN particles. The composite sintered body shows a first peak belonging to... Sumitomo Electric Hardmetal Corp








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