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JP2018135228A |
To provide a method for growing a LiTaOsingle crystal, using a LiTaOcrystal raw material (melting point of 1650°C) having a congruent composition and a platinum crucible (melting point of 1760°C), having melting points close to each ot...
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JP6372079B2 |
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JP6374333B2 |
To provide a crucible capable of preventing leakage of a melt, and to provide a production method of a single crystal sapphire using the same.In a crucible 1 containing 40 mass% or more molybdenum, and manufactured by forging, the total ...
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JP6373443B2 |
In an apparatus and method growing a SiC single crystal, a PVT growth apparatus is provided with a single crystal SiC seed and a SiC source material positioned in spaced relation in a growth crucible. A resistance heater heats the growth...
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JP6365700B2 |
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JP6363992B2 |
The present invention addresses the problem of providing a crucible for growing a sapphire single crystal, said crucible having a structure which enables the cost to be reduced from that of conventional sapphire growth. The crucible for ...
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JP6353854B2 |
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JP2018100202A |
To provide a method for growing a high quality LiNbOsingle crystal without controlling the shape of the single crystal using an iridium crucible.The method for growing a LiNbOsingle crystal comprises: charging a LiNbOseed crystal 7 into ...
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JP2018515686A |
Placing the material to be refined in a casting chamber located in the purification chamber; supplying thermal energy to the material to keep it in a molten state: supplying refining gas into the molten material, Purifying the material u...
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JP2018087098A |
To provide an apparatus for manufacturing a silicon carbide single crystal, capable of improving temperature uniformity in the circumferential direction.The apparatus for manufacturing a silicon carbide single crystal includes: a furnace...
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JP6334526B2 |
Crucible compositions and methods of using the crucible compositions to melt titanium and titanium alloys. More specifically, crucible compositions having intrinsic facecoats that are effective for melting titanium and titanium alloys fo...
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JP2018080097A |
To facilitate control in seeding of seed crystals, and control in crystal growth, which are problems of VB method, thereby preventing troubles such as polycrystallization, to improve the yield.A single crystal production device has a cru...
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JP2018080098A |
To provide a single crystal production device and a single crystal production method, whereby: in the growth of homogeneous single crystals from a melt composition other than a harmonious composition in which the compositions of solid an...
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JP6316763B2 |
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JP2018059660A |
To provide a graphite crucible which needs no application of a coating of a special material excellent in corrosion resistance and can improve the production efficiency greatly, and can maintain the oxidation resistance equivalent to tha...
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JP6305788B2 |
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JP6297015B2 |
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JP6289426B2 |
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JP6261422B2 |
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JP2017228393A |
To provide a technique capable of increasing the total amount of heat of heating while avoiding damage, in heating metal by two kinds of heating methods of resistance heating and induction heating.After metal in a solid state is disposed...
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JP6242645B2 |
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JP2017198444A |
To provide a container used in melting a material for injection molding to form a component.One container 40 has a main body 42 composed of a plurality of elongated segments 46 electrically insulated from each other, and including a melt...
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JP6223287B2 |
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JP6220051B2 |
Provided are: a crucible that is capable of preventing leakage of a molten liquid; and a single crystal sapphire production method that uses the crucible. The crucible (1) comprises 40 mass% or more of molybdenum. The total content of C,...
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JP6200492B2 |
The invention relates to a tilting mechanism for a tilting metallurgical vessel, in particular a converter, around a horizontal axis, comprising a rotatable shaft and at least one tilting drive mechanism for rotating the vessel about the...
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JP6193885B2 |
Vessels used for melting material to be injection molded to form a part are described. One vessel has a body formed from a plurality of elongate segments configured to be electrically isolated from each other and with a melting portion f...
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JP6193325B2 |
A hybrid metal melting furnace uses a furnace lid to hold molten metal, while inhibiting reduction in the service life of burners of the furnace lid caused by long periods of exposure to high heat. This hybrid metal melting furnace inclu...
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JP6180727B2 |
To provide a refractory structure for producing nickel powder and a method for producing nickel powder.A refractory structure for producing nickel powder includes a first crucible made of graphite, a second crucible which is arranged on ...
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JP2017120136A |
To suppress a rise in an ambient temperature of a material container for storing a metallic material.A melting device for a metallic material includes: a rotating shaft 31; a direct-current magnetic field generating device for generating...
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JP2017114730A |
To provide a particle manufacturing apparatus and a particle manufacturing method capable of manufacturing excellent particles, even when a raw material is glass.A particle manufacturing apparatus 1 includes a melting crucible 11 provide...
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JP6153987B2 |
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JP2017110886A |
To provide a crucible unit capable of efficiently heating a central part of a bottom portion of the crucible unit and capable of preventing damage at the central part of the bottom portion of the crucible unit.A crucible unit 1 has an up...
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JP6148790B2 |
The present invention provides a manganese-containing molten steel production method comprising: a preparation step in which a molten ferroalloy or a molten non-ferrous metal is prepared by carrying out denitrification or nitrogen-absorp...
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JP6146319B2 |
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JP6144253B2 |
A tantalum-material multilevel distillation crucible; the distillation crucible comprises a crucible body (1), an insulation plate (2), and a receiving hood (3); the insulation plate (2) is sheathed in the upper part of the crucible body...
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JP2017089972A |
To prevent a material to be added from being deviated or adhering to a crucible to enable stable melting, in a cold crucible induction melting device.A cold crucible induction melting device includes: a cylindrical crucible configured to...
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JP6128408B2 |
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JP6131378B1 |
[Subject] A heater tube for metal Molten metal immersion in which a heat transfer coefficient becomes higher than before from a good nature sintered compact of silicon nitride in thermal conductivity or density is provided. [Means for So...
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JP2017077997A |
To provide a glass melting single furnace capable of heating a glass raw material at high temperature in the state of avoiding the damage of a crucible due to occurrence of cracks.A gas burner B arranged in the inside of a furnace body A...
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JP2017507309A |
The present invention relates to an apparatus and a method for processing a metallic material. In particular, the invention is suitable for processing and / or producing steels and alloys, especially non-standard grade steels and especia...
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JP6086276B2 |
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JP6086275B2 |
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JPWO2015002148A1 |
An object of the present invention is to provide a container capable of preventing impurities from being mixed into a target product while maintaining strength even when used in an atmosphere in which oxygen is present in a high temperat...
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JP6083521B2 |
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JP6082138B1 |
[Subject] In the dissolution in a furnace for the sintering processing of fire-resistant thing lining material performed at the time of the furnace construction of a guidance electric furnace, offer of the dissolution material compositio...
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JP6073410B2 |
A method for producing a component includes joining individual wall parts, especially for producing a melting crucible for use at a high operating temperature in a crucible-pulling method for quartz glass, wherein at least two wall parts...
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JP6063582B2 |
In order to surely discharge dust produced in a sample containing part 10, the present invention is adapted to include: a dust introduction part 30 that has a through-hole 3a formed penetrating in a vertical direction and introduces dust...
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JP6057988B2 |
An electric induction furnace for heating and melting electrically conductive materials is provided with a lining wear detection system that can detect replaceable furnace lining wear when the furnace is properly operated and maintained.
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JP6059389B1 |
[Subject] Also when the high-speed dissolution of the material to be heated is made to carry out for a short time, a dissolution control method of a high-speed induction fusion furnace which can control a quality fall of an alloy is prov...
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JP6051219B2 |
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