Patent application number | Description | Published |
20140190402 | APPARATUS AND METHOD FOR MANUFACTURING INGOT - Disclosed are an apparatus and a method for fabricating an ingot. The apparatus includes a crucible receiving source materials therein; a holder fixing a seed located above the source materials; and an adhesive layer interposed between the holder and the seed and chemically bonded to the seed. | 07-10-2014 |
20140190412 | APPARATUS FOR FABRICATING INGOT - Disclosed is an apparatus for fabricating an ingot. The apparatus includes a crucible to receive a raw material, and a filter part to allow a specific component in the crucible to selectively pass through the filter part. The raw material includes silicon and carbon. | 07-10-2014 |
20140190413 | APPARATUS FOR FABRICATING INGOT - Disclosed is an apparatus for fabricating an ingot. The apparatus comprises a crucible to receive a source material, and a temperature difference compensating part on the source material. The temperature difference compensating part comprises a plurality of holes. | 07-10-2014 |
20140202389 | APPARATUS FOR FABRICATING INGOT - Disclosed is an apparatus for fabricating an ingot. The apparatus includes a crucible receiving a raw material, and comprising an upper portion and a lower portion opposite to each other, and seed holders disposed at the upper and lower portions, respectively. | 07-24-2014 |
20140216330 | APPARATUS FOR FABRICATING INGOT AND METHOD FOR FABRICATING INGOT - An apparatus for fabricating an ingot according to the embodiment comprises a crucible for receiving a raw material; and a filter part for selectively filtering a specific component in the crucible, wherein the filter part comprises a polymer. | 08-07-2014 |
20140216348 | APPARATUS FOR FABRICATING INGOT - An apparatus for fabricating an ingot comprises an inner crucible for receiving a raw material; a seed holder placed on the raw material; and an outer crucible surrounding the inner crucible and comprising an open area in which a part of the raw material is exposed. | 08-07-2014 |
20140230721 | APPARATUS FOR FABRICATING INGOT, METHOD FOR PROVIDING MATERIAL, AND METHOD FOR FABRICATING INGOT - An apparatus for fabricating an ingot according to the embodiment comprises a crucible for receiving a raw material, wherein the raw material comprises first powder and second powders having grain sizes different from each other. A method for providing a raw material according to the embodiment comprises preparing a crucible including a central area and an edge area which surrounds the central area; filling a first powder in the central area; and filling a second powder in the edge area, the second powder having a grain size different from a grain size of the first powder. | 08-21-2014 |
20140283735 | METHOD FOR GROWTH OF INGOT - A method for growing an ingot according to the embodiment includes filling a first powder in a crucible; raising a temperature of the crucible; forming a second powder by grain-growing the first powder; and growing the ingot by sublimating the second powder. | 09-25-2014 |
20140290580 | APPARATUS FOR FABRICATING INGOT - Disclosed is an apparatus for fabricating an ingot. The apparatus includes a crucible to receive a raw material, a holder disposed at an upper portion of the crucible to fix a seed, and a filter part in the crucible. The filter part is spaced apart from a surface of the raw material. | 10-02-2014 |
20140331917 | SILICON CARBIDE POWDER, METHOD FOR MANUFACTURING THE SAME AND METHOD FOR GROWING SINGLE CRYSTAL - A silicon carbide powder according to the embodiment includes nitrogen having a concentration in a range of about 100 ppm to about 5000 ppm. A method for manufacturing silicon carbide powder according to the embodiment includes preparing a mixture by mixing a silicon source including silicon with a solid carbon source or a carbon source including an organic carbon compound; heating the mixture; cooling the mixture; and supplying a nitrogen-based gas into the mixture. | 11-13-2014 |
20140356274 | SILICON CARBIDE POWDER, METHOD FOR MANUFACTURING THE SAME AND SILICON CARBIDE SINTERED BODY, METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a silicon carbide powder according to the embodiment includes forming a mixture by mixing a silicon (Si) source containing silicon with a solid carbon (C) source or a C source containing an organic carbon compound; heating the mixture; cooling the mixture; and supplying hydrogen gas into the mixture. | 12-04-2014 |
20140363675 | SILICON CARBIDE POWDER AND METHOD FOR MANUFACTURING THE SAME - Disclosed are silicon carbide powders and a method of preparing the same. The method includes forming a mixture by mixing a silicon (Si) source, a carbon (C) source, and a silicon carbide (SiC) seed, and reacting the mixture. The silicon carbide (SiC) powders include silicon carbide (SiC) grains having a β-type crystal phase and a grain size in a range of about 5 μm to about 100 μm. | 12-11-2014 |
20140367897 | METHOD OF FABRICATING SILICON CARBIDE POWDER - A method of fabricating silicon carbide powder according to the first embodiment includes preparing a silicon carbide molded member by molding a silicon carbide material; preparing a silicon carbide agglomerate member by pulverizing the silicon carbide molded member; and preparing the silicon carbide powder by heat-treating the silicon carbide agglomerate member. A method of fabricating silicon carbide powder according to the second embodiment includes preparing a primary material having a first grain size and including silicon carbide; preparing a secondary material having a second grain size by agglomerating the primary material; and preparing the silicon carbide powder by heat-treating the secondary material. | 12-18-2014 |